:root {
  --bg-0: #050810;
  --bg-1: #0a0f1f;
  --panel: #0d1428;
  --panel-border: rgba(108, 124, 255, 0.28);
  --blue: #3b8eff;
  --purple: #8b5cf6;
  --cyan: #5ee7ff;
  --text-hi: #f3f5ff;
  --text-mid: #aab2d0;
  --text-low: #6b7395;
  --red: #ef4444;
  --green: #22c55e;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  margin: 0;
  padding: 0;
  background: #E2E8F0;
  color: #0F172A;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #E2E8F0;
  color: var(--text-hi);
  display: block;
  padding: 0 !important;
  overflow-x: hidden;
}

/* ---------- Responsive Desktop & Mobile Container ---------- */
.device {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  min-height: calc(100vh - 114px);
  background: transparent;
  position: relative;
  overflow: visible;
  border-radius: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(90, 130, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 130, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  -webkit-mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 30%, transparent 100%);
}

.bg-glow {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .28;
  pointer-events: none;
}
.bg-glow.one {
  width: 520px; height: 520px;
  top: -120px; left: -100px;
  background: radial-gradient(circle, var(--blue), transparent 70%);
}
.bg-glow.two {
  width: 480px; height: 480px;
  top: 140px; right: -120px;
  background: radial-gradient(circle, var(--purple), transparent 70%);
}

/* ---------- Content Container (Desktop & Mobile Friendly) ---------- */
.content {
  position: relative;
  z-index: 1;
  flex: 1;
  width: 100%;
  padding: 24px 24px 60px;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .content {
    padding: 16px 16px 40px;
  }
}
.content::-webkit-scrollbar {
  display: none;
}

/* ---------- App Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 26px 0 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(59, 142, 255, 0.55));
  overflow: hidden;
  background: rgba(13, 20, 40, 0.8);
  border: 1px solid var(--panel-border);
}
.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-text h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-hi);
}
.brand-text h1 span {
  background: linear-gradient(90deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-text p {
  margin: 1px 0 0;
  font-size: 11px;
  color: var(--text-low);
}

.account-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 14px;
  padding: 9px 14px;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: box-shadow .2s ease, transform .15s ease, background .2s ease;
  text-decoration: none;
}
.account-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--purple);
  fill: none;
  transition: filter .2s ease;
}
.account-btn span {
  font-size: 10.5px;
  color: var(--text-mid);
  font-weight: 600;
}
.account-btn:hover {
  background: rgba(139, 92, 246, 0.2);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.35);
}
.account-btn:hover svg {
  filter: drop-shadow(0 0 5px rgba(139, 92, 246, 0.8));
}
.account-btn:active {
  transform: scale(.93);
}

.account-btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 16px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--blue));
  z-index: -1;
  opacity: 0;
  filter: blur(10px);
}
.account-btn.is-pressed::before {
  animation: cardGlow .6s ease-out;
}

/* Header Login Button for Guests */
.account-btn.login-btn {
  background: rgba(59, 142, 255, 0.16);
  border-color: rgba(94, 231, 255, 0.45);
}
.account-btn.login-btn svg {
  stroke: var(--cyan);
}
.account-btn.login-btn span {
  color: var(--cyan);
  font-weight: 700;
}
.account-btn.login-btn:hover {
  background: rgba(59, 142, 255, 0.28);
  box-shadow: 0 0 18px rgba(94, 231, 255, 0.4);
}

/* Guest Banner on Beranda */
.guest-banner {
  background: linear-gradient(135deg, rgba(59, 142, 255, 0.12), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(94, 231, 255, 0.25);
  border-radius: 16px;
  padding: 12px 16px;
  margin: 14px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: fadeIn .3s ease;
}
.guest-banner-text {
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.45;
}
.guest-banner-text strong {
  color: var(--cyan);
}
.guest-banner-btn {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  text-decoration: none;
  font-size: 11.5px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(59, 142, 255, 0.3);
  transition: all .2s ease;
}
.guest-banner-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(59, 142, 255, 0.45);
}

.auth-guest-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  color: var(--text-low);
  font-size: 12.5px;
  text-decoration: none;
  transition: color .2s ease;
}
.auth-guest-link:hover {
  color: var(--cyan);
}

/* ---------- Header Navigation Back Button ---------- */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 10px 0 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.15);
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid rgba(139, 92, 246, 0.32);
  color: var(--text-hi);
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all .2s ease;
}
.btn-back:hover {
  background: rgba(139, 92, 246, 0.25);
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.35);
  transform: translateX(-2px);
}

/* ---------- Hero Illustration ---------- */
.hero {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 22px;
  background: linear-gradient(160deg, #0c1330, #070b1a);
  border: 1px solid rgba(108, 124, 255, 0.18);
}
.hero svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- Welcome Titles ---------- */
.welcome-tag {
  color: var(--purple);
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: .2px;
}
.welcome-title {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
}
.welcome-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-mid);
  margin: 0 0 16px;
  max-width: 340px;
}
.accent-bar {
  width: 46px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  margin-bottom: 26px;
}

.section-title {
  font-size: 23px;
  font-weight: 800;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.3px;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 20px;
  }
}

/* ---------- Menu Cards (Desktop 2-Col & Mobile 1-Col) ---------- */
.menu-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

@media (min-width: 768px) {
  .menu-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .menu-list .menu-card {
    height: 100%;
    margin-bottom: 0;
  }
}

.menu-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(19, 26, 52, 0.75), rgba(10, 15, 31, 0.75));
  border: 1px solid var(--panel-border);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform .15s ease, border-color .2s ease, box-shadow .25s ease;
  text-decoration: none;
  color: inherit;
}
.menu-card:hover {
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow: 0 0 22px rgba(90, 110, 255, 0.18);
}
.menu-card:active {
  transform: scale(.98);
}

.menu-card::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--blue));
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
}
.menu-card.is-pressed::before {
  animation: cardGlow .6s ease-out;
}

@keyframes cardGlow {
  0% { opacity: .85; filter: blur(6px); }
  100% { opacity: 0; filter: blur(24px); }
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleAnim .6s ease-out forwards;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(3.4); opacity: 0; }
}

.menu-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.menu-icon svg {
  width: 26px;
  height: 26px;
}

/* Icon Variants */
.icon-materi {
  background: linear-gradient(145deg, rgba(59, 142, 255, 0.22), rgba(59, 142, 255, 0.06));
  border: 1px solid rgba(59, 142, 255, 0.35);
}
.icon-materi svg { stroke: #5ea3ff; fill: none; }

.icon-video {
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.28), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.icon-video svg { fill: #a78bfa; stroke: none; }

.icon-quiz {
  background: linear-gradient(145deg, rgba(59, 142, 255, 0.22), rgba(59, 142, 255, 0.06));
  border: 1px solid rgba(59, 142, 255, 0.35);
}
.icon-quiz svg { stroke: #5ea3ff; fill: none; }

.icon-kalkulator {
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.28), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.icon-kalkulator svg { stroke: #a78bfa; fill: none; }

.icon-pengumuman {
  background: linear-gradient(145deg, rgba(94, 231, 255, 0.22), rgba(94, 231, 255, 0.06));
  border: 1px solid rgba(94, 231, 255, 0.35);
}
.icon-pengumuman svg { stroke: #5ee7ff; fill: none; }

.icon-profil {
  background: linear-gradient(145deg, rgba(139, 92, 246, 0.28), rgba(59, 142, 255, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.icon-profil svg { stroke: #a78bfa; fill: none; }

.menu-body {
  flex: 1;
  min-width: 0;
}
.menu-body h3 {
  margin: 0 0 4px;
  font-size: 16.5px;
  font-weight: 700;
}
.menu-body p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-mid);
  line-height: 1.45;
}

.chevron {
  flex-shrink: 0;
  color: var(--purple);
}
.chevron svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
}

/* ---------- Card Panel Generic ---------- */
.card-panel {
  background: linear-gradient(180deg, rgba(19, 26, 52, 0.75), rgba(10, 15, 31, 0.75));
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 18px;
  margin-bottom: 16px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition: all .2s ease;
}
.card-panel.important {
  border-color: rgba(239, 68, 68, 0.6);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.15);
}

/* ---------- Badges ---------- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .3px;
  margin-bottom: 8px;
}
.badge-blue { background: rgba(59, 142, 255, 0.2); color: var(--blue); border: 1px solid rgba(59, 142, 255, 0.4); }
.badge-purple { background: rgba(139, 92, 246, 0.2); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.4); }
.badge-cyan { background: rgba(94, 231, 255, 0.2); color: var(--cyan); border: 1px solid rgba(94, 231, 255, 0.4); }
.badge-red { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-green { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.4); }

/* ---------- Form Elements ---------- */
.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
}
.input-field {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  background: rgba(10, 15, 31, 0.8);
  border: 1px solid var(--panel-border);
  color: var(--text-hi);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.input-field:focus {
  border-color: var(--purple);
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.3);
}
.input-field:disabled {
  opacity: .6;
  cursor: not-allowed;
}

textarea.input-field {
  resize: vertical;
  min-height: 80px;
}

/* ---------- Buttons ---------- */
.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 14px;
  border: none;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, opacity .2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.btn-primary:hover {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}
.btn-primary:active {
  transform: scale(.97);
}

.btn-secondary {
  width: 100%;
  padding: 13px;
  border-radius: 14px;
  border: 1px solid var(--panel-border);
  background: rgba(13, 20, 40, 0.8);
  color: var(--text-hi);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}
.btn-secondary:hover {
  border-color: var(--purple);
  background: rgba(139, 92, 246, 0.15);
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ---------- Bottom Nav ---------- */
.bottom-nav {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  display: flex;
  justify-content: space-around;
  padding: 12px 0 22px;
  background: linear-gradient(180deg, rgba(5, 8, 16, 0) 0%, rgba(5, 8, 16, 0.92) 30%, #05080f 100%);
  border-top: 1px solid rgba(108, 124, 255, 0.15);
}
.nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  color: var(--text-low);
  padding: 6px 22px;
  border-radius: 14px;
  overflow: hidden;
  isolation: isolate;
  transition: color .2s ease, background .2s ease, transform .15s ease;
  text-decoration: none;
}
.nav-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  transition: filter .2s ease;
}
.nav-item span {
  font-size: 11px;
  font-weight: 600;
}
.nav-item:hover {
  color: var(--text-mid);
}
.nav-item:active {
  transform: scale(.92);
}
.nav-item.active {
  color: var(--purple);
}
.nav-item.active svg {
  filter: drop-shadow(0 0 6px rgba(139, 92, 246, 0.7));
}

.nav-item::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 18px;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--blue));
  z-index: -1;
  opacity: 0;
  filter: blur(10px);
}
.nav-item.is-pressed::before {
  animation: cardGlow .6s ease-out;
}

/* ---------- Modern Responsive Toast Notification System ---------- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 999999;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 420px;
  min-width: 290px;
}

@media (max-width: 640px) {
  .toast-container {
    top: 14px;
    left: 14px;
    right: 14px;
    max-width: 100%;
    min-width: 0;
  }
}

.toast {
  pointer-events: auto;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: #FFFFFF;
  background: rgba(15, 23, 42, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  user-select: none;
}

.toast:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.35);
}

.toast-content-wrapper {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: 1;
}

.toast-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-msg-text {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  color: #F8FAFC;
  word-break: break-word;
}

.toast-btn-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.45);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
  flex-shrink: 0;
}

.toast-btn-close:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.toast.success {
  border-color: rgba(16, 185, 129, 0.35);
}
.toast.success .toast-icon-box {
  background: rgba(16, 185, 129, 0.18);
  color: #10B981;
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.35);
}
.toast.error .toast-icon-box {
  background: rgba(239, 68, 68, 0.18);
  color: #EF4444;
}

.toast.info {
  border-color: rgba(13, 91, 255, 0.35);
}
.toast.info .toast-icon-box {
  background: rgba(13, 91, 255, 0.18);
  color: #38BDF8;
}

.toast.warning {
  border-color: rgba(245, 158, 11, 0.35);
}
.toast.warning .toast-icon-box {
  background: rgba(245, 158, 11, 0.18);
  color: #F59E0B;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(-16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.toast-exit {
  opacity: 0 !important;
  transform: translateY(-12px) scale(0.95) !important;
  transition: all 0.22s ease !important;
}

@keyframes netoraFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes netoraScaleIn {
  from { opacity: 0; transform: scale(0.9) translateY(14px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ---------- Quiz Styles ---------- */
.progress-bar-bg {
  width: 100%;
  height: 8px;
  background: rgba(108, 124, 255, 0.15);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 20px;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  border-radius: 10px;
  transition: width .3s ease;
}

.option-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: 16px;
  background: rgba(10, 15, 31, 0.8);
  border: 1px solid var(--panel-border);
  margin-bottom: 12px;
  cursor: pointer;
  transition: all .2s ease;
}
.option-card:hover {
  border-color: var(--purple);
  background: rgba(139, 92, 246, 0.12);
}
.option-card.selected {
  border-color: var(--cyan);
  background: rgba(94, 231, 255, 0.15);
  box-shadow: 0 0 16px rgba(94, 231, 255, 0.25);
}
.option-key {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: var(--purple);
  font-weight: 800;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Profil Tabs & Community ---------- */
.profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 24px;
}
.avatar-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  margin-bottom: 14px;
}
.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-1);
}
.avatar-upload-btn {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--purple);
  border: 2px solid var(--bg-0);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

.profile-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 20px;
}
.profile-tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 9px 16px;
  border-radius: 12px;
  background: rgba(10, 15, 31, 0.8);
  border: 1px solid var(--panel-border);
  color: var(--text-mid);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all .2s ease;
}
.tab-btn.active {
  background: rgba(139, 92, 246, 0.22);
  border-color: var(--purple);
  color: var(--text-hi);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
}

.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.community-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  border-radius: 16px;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  gap: 8px;
  transition: transform .15s ease;
}
.community-card:hover { transform: translateY(-3px); }
.community-wa { background: #25d366; }
.community-tg { background: #0088cc; }
.community-dc { background: #5865f2; }
.community-ig { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }

@media (prefers-reduced-motion: reduce) {
  .menu-card::before, .ripple { animation: none !important; }
}

/* ====================================================
   RESPONSIVE AUTH PAGES (LOGIN & REGISTER)
   Mobile: Clean, centered, touch-friendly card
   Desktop: Split-screen luxury showcase & card
   ==================================================== */

body.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 24px 16px;
  background: var(--bg-0);
  position: relative;
  overflow-x: hidden;
}

.auth-bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(90, 130, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 130, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 40%, transparent 100%);
  pointer-events: none;
}

.auth-bg-glow {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.28;
  pointer-events: none;
}

.auth-bg-glow.glow-1 {
  width: 480px;
  height: 480px;
  top: -120px;
  left: -100px;
  background: radial-gradient(circle, var(--blue), transparent 70%);
}

.auth-bg-glow.glow-2 {
  width: 450px;
  height: 450px;
  bottom: -120px;
  right: -100px;
  background: radial-gradient(circle, var(--purple), transparent 70%);
}

.auth-bg-glow.glow-3 {
  width: 320px;
  height: 320px;
  top: 35%;
  left: 45%;
  background: radial-gradient(circle, var(--cyan), transparent 75%);
  opacity: 0.15;
}

.auth-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1140px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

/* Hero side (Showcase for Desktop) */
.auth-hero {
  display: flex;
  flex-direction: column;
}

.auth-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(94, 231, 255, 0.1);
  border: 1px solid rgba(94, 231, 255, 0.25);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  width: fit-content;
  margin-bottom: 18px;
}

.auth-hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.auth-hero-title {
  margin: 0;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.auth-hero-title span {
  background: linear-gradient(135deg, var(--blue), var(--purple), var(--cyan));
  -webkit-background-clip: text;
  color: transparent;
}

.auth-hero-desc {
  margin: 16px 0 28px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.6;
  max-width: 520px;
}

.auth-hero-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.auth-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(13, 20, 40, 0.6);
  border: 1px solid rgba(108, 124, 255, 0.18);
  padding: 14px 18px;
  border-radius: 16px;
  transition: all 0.25s ease;
}

.auth-feature-item:hover {
  background: rgba(13, 20, 40, 0.85);
  border-color: rgba(94, 231, 255, 0.35);
  transform: translateX(4px);
}

.auth-feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(59, 142, 255, 0.15);
  color: var(--cyan);
}

.auth-feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.auth-feature-text h4 {
  margin: 0 0 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-hi);
}

.auth-feature-text p {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-low);
  line-height: 1.45;
}

.auth-hero-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(108, 124, 255, 0.15);
  color: var(--text-low);
  font-size: 13px;
}

/* Card Container */
.auth-card {
  background: rgba(13, 20, 40, 0.84);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(108, 124, 255, 0.28);
  border-radius: 28px;
  padding: 38px 34px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.65), 0 0 40px rgba(59, 142, 255, 0.12);
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-card-header {
  margin-bottom: 24px;
}

.auth-mobile-brand {
  display: none;
  text-align: center;
  margin-bottom: 22px;
}

.auth-mobile-brand .logo-mark {
  width: 58px;
  height: 58px;
  margin: 0 auto 10px;
  border-radius: 18px;
}

.auth-mobile-brand h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
}

.auth-card-title {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-hi);
}

.auth-card-subtitle {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-low);
}

/* Form Styles */
.auth-input-group {
  margin-bottom: 18px;
  position: relative;
}

.auth-input-group label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 7px;
  letter-spacing: 0.3px;
}

.auth-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-input-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--text-low);
  pointer-events: none;
  transition: color 0.2s ease;
}

.auth-input-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.auth-input {
  width: 100%;
  height: 48px;
  background: rgba(10, 15, 31, 0.85);
  border: 1px solid rgba(108, 124, 255, 0.25);
  border-radius: 14px;
  padding: 0 42px 0 42px;
  color: var(--text-hi);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.auth-input.no-toggle {
  padding-right: 14px;
}

.auth-input:focus {
  border-color: var(--cyan);
  background: rgba(10, 15, 31, 0.95);
  box-shadow: 0 0 0 3px rgba(94, 231, 255, 0.18);
}

.auth-input-wrapper:focus-within .auth-input-icon {
  color: var(--cyan);
}

.auth-pwd-toggle {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-low);
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: color 0.2s ease;
}

.auth-pwd-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.auth-pwd-toggle:hover {
  color: var(--text-hi);
}

.auth-btn-submit {
  width: 100%;
  height: 48px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  border: none;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
  box-shadow: 0 10px 25px rgba(59, 142, 255, 0.35);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.auth-btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(59, 142, 255, 0.45);
}

.auth-btn-submit:active {
  transform: translateY(0);
}

.auth-card-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 13.5px;
  color: var(--text-mid);
}

.auth-card-footer a {
  color: var(--cyan);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease;
}

.auth-card-footer a:hover {
  text-decoration: underline;
  color: #fff;
}

/* Alert Error Style */
.alert-error {
  display: none;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  margin-bottom: 16px;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====================================================
   BREAKPOINTS: Desktop vs Mobile
   ==================================================== */
@media (min-width: 960px) {
  .auth-wrapper {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    padding: 30px 20px;
  }

  .auth-hero {
    display: flex;
  }

  .auth-mobile-brand {
    display: none !important;
  }

  .auth-card {
    max-width: 450px;
    margin-left: auto;
  }
}

@media (max-width: 959px) {
  body.auth-page {
    padding: 24px 16px;
    align-items: center;
  }

  .auth-wrapper {
    max-width: 440px;
    margin: 0 auto;
  }

  .auth-hero {
    display: none;
  }

  .auth-mobile-brand {
    display: block;
  }

  .auth-card {
    padding: 30px 22px;
    border-radius: 24px;
  }

  .auth-card-title {
    font-size: 20px;
  }
}

/* ====================================================
   RESPONSIVE BERANDA (DESKTOP DASHBOARD & MOBILE)
   ==================================================== */

body.beranda-page {
  display: block;
  min-height: 100vh;
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  position: relative;
  overflow-x: hidden;
}

.beranda-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  position: relative;
  z-index: 1;
}

/* Beranda Header */
.beranda-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.15);
}

.beranda-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.beranda-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(13, 20, 40, 0.8);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-mid);
}

.user-status-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* Compact Landing Welcome Banner */
.landing-welcome-banner {
  background: linear-gradient(135deg, rgba(13, 20, 40, 0.95), rgba(10, 15, 31, 0.95));
  border: 1px solid rgba(108, 124, 255, 0.28);
  border-radius: 20px;
  padding: 22px 24px;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.landing-welcome-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(59, 142, 255, 0.2), transparent 70%);
  pointer-events: none;
}

.welcome-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(94, 231, 255, 0.1);
  border: 1px solid rgba(94, 231, 255, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 10px;
}

.welcome-badge .pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.landing-welcome-banner h2 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  letter-spacing: -0.3px;
}

.landing-welcome-banner p {
  margin: 0;
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
  max-width: 600px;
}

@media (max-width: 600px) {
  .landing-welcome-banner {
    padding: 18px 16px;
  }
  .landing-welcome-banner h2 {
    font-size: 17.5px;
  }
}

/* Hero Showcase */
.beranda-hero-card {
  background: linear-gradient(135deg, rgba(13, 20, 40, 0.95), rgba(10, 15, 31, 0.95));
  border: 1px solid rgba(108, 124, 255, 0.28);
  border-radius: 24px;
  padding: 28px 32px;
  margin-bottom: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(59, 142, 255, 0.08);
  position: relative;
  overflow: hidden;
}

.beranda-hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.beranda-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(94, 231, 255, 0.1);
  border: 1px solid rgba(94, 231, 255, 0.3);
  color: var(--cyan);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.beranda-hero-title {
  margin: 0 0 10px;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.25;
}

.beranda-hero-title span {
  background: linear-gradient(135deg, var(--blue), var(--purple), var(--cyan));
  -webkit-background-clip: text;
  color: transparent;
}

.beranda-hero-desc {
  margin: 0 0 20px;
  color: var(--text-mid);
  font-size: 14px;
  line-height: 1.6;
  max-width: 540px;
}

.beranda-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(5, 8, 16, 0.6);
  border: 1px solid rgba(108, 124, 255, 0.2);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text-hi);
}

.stat-pill svg {
  width: 16px;
  height: 16px;
  color: var(--cyan);
}

.stat-pill strong {
  color: var(--cyan);
}

.beranda-hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.beranda-hero-visual svg {
  width: 100%;
  max-width: 360px;
  height: auto;
  filter: drop-shadow(0 0 25px rgba(59, 142, 255, 0.3));
}

/* Section Header */
.section-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin: 36px 0 18px;
}

.section-header-title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-hi);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-header-sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-low);
}

.section-link-all {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.section-link-all:hover {
  color: #fff;
  transform: translateX(3px);
}

/* 6 Menu Grid Responsif */
.menu-grid-responsive {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.menu-card-responsive {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(13, 20, 40, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.menu-card-responsive:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 231, 255, 0.45);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 142, 255, 0.2);
}

.menu-card-responsive .menu-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.menu-card-responsive .menu-icon svg {
  width: 24px;
  height: 24px;
}

/* Harmonisasi Warna Ikon Modul Pembelajaran */
.icon-materi {
  background: linear-gradient(135deg, rgba(59, 142, 255, 0.22), rgba(59, 142, 255, 0.06)) !important;
  border: 1px solid rgba(59, 142, 255, 0.45) !important;
  color: #38bdf8 !important;
  box-shadow: 0 0 16px rgba(59, 142, 255, 0.22);
}

.icon-video {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.22), rgba(239, 68, 68, 0.06)) !important;
  border: 1px solid rgba(239, 68, 68, 0.45) !important;
  color: #f87171 !important;
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.22);
}

.icon-quiz {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.22), rgba(168, 85, 247, 0.06)) !important;
  border: 1px solid rgba(168, 85, 247, 0.45) !important;
  color: #c084fc !important;
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.22);
}

.icon-kalkulator {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.22), rgba(6, 182, 212, 0.06)) !important;
  border: 1px solid rgba(6, 182, 212, 0.45) !important;
  color: #22d3ee !important;
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.22);
}

.icon-pengumuman {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.22), rgba(245, 158, 11, 0.06)) !important;
  border: 1px solid rgba(245, 158, 11, 0.45) !important;
  color: #fbbf24 !important;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.22);
}

.icon-profil {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.22), rgba(16, 185, 129, 0.06)) !important;
  border: 1px solid rgba(16, 185, 129, 0.45) !important;
  color: #34d399 !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.22);
}

.menu-card-responsive:hover .menu-icon {
  transform: scale(1.08);
}

.menu-card-responsive .menu-body h3 {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-hi);
}

.menu-card-responsive .menu-body p {
  margin: 0;
  font-size: 12px;
  color: var(--text-low);
  line-height: 1.4;
}

.menu-card-responsive .chevron {
  margin-left: auto;
  color: var(--text-low);
  transition: transform 0.2s ease, color 0.2s ease;
}

.menu-card-responsive:hover .chevron {
  color: var(--cyan);
  transform: translateX(4px);
}

/* Featured Materi Grid */
.materi-featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.featured-materi-card {
  background: rgba(13, 20, 40, 0.75);
  border: 1px solid rgba(108, 124, 255, 0.2);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.featured-materi-card:hover {
  border-color: rgba(94, 231, 255, 0.4);
  background: rgba(13, 20, 40, 0.9);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.featured-materi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.featured-materi-card h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-hi);
}

.featured-materi-card p {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-materi-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(108, 124, 255, 0.12);
}

.featured-materi-link {
  color: var(--cyan);
  font-size: 12.5px;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.featured-materi-link:hover {
  text-decoration: underline;
}

/* Tasks / Dummy Tugas Grid */
.tasks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.task-card {
  background: rgba(13, 20, 40, 0.85);
  border: 1px solid rgba(108, 124, 255, 0.25);
  border-radius: 20px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.task-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--blue);
}

.task-card.task-urgent::before {
  background: var(--red);
}

.task-card.task-cisco::before {
  background: var(--purple);
}

.task-card.task-linux::before {
  background: var(--green);
}

.task-card:hover {
  transform: translateY(-3px);
  border-color: rgba(94, 231, 255, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

.task-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.task-title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.4;
}

.task-desc {
  margin: 0 0 16px;
  font-size: 12.5px;
  color: var(--text-mid);
  line-height: 1.5;
}

.task-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(108, 124, 255, 0.12);
}

.task-deadline {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-low);
}

.task-deadline svg {
  width: 14px;
  height: 14px;
  color: var(--cyan);
}

.task-btn {
  background: rgba(59, 142, 255, 0.15);
  border: 1px solid rgba(94, 231, 255, 0.3);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.task-btn:hover {
  background: var(--cyan);
  color: #050810;
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(94, 231, 255, 0.4);
}

/* Task Detail Modal */
.task-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.task-modal-backdrop.active {
  display: flex;
}

.task-modal {
  background: rgba(13, 20, 40, 0.95);
  border: 1px solid rgba(108, 124, 255, 0.35);
  border-radius: 24px;
  padding: 28px 24px;
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(59, 142, 255, 0.15);
  position: relative;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.task-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-mid);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.task-modal-close:hover {
  background: var(--red);
  color: #fff;
}

.task-modal-body h4 {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
}

.task-step-list {
  padding-left: 20px;
  margin: 0 0 16px;
  color: var(--text-mid);
  font-size: 13px;
  line-height: 1.6;
}

/* Responsive Breakpoints for Beranda */
@media (max-width: 991px) {
  .beranda-hero-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .beranda-hero-visual {
    order: -1;
  }

  .beranda-hero-visual svg {
    max-width: 280px;
  }

  .menu-grid-responsive {
    grid-template-columns: repeat(2, 1fr);
  }

  .materi-featured-grid,
  .tasks-grid {
    grid-template-columns: 1fr;
  }

  .beranda-container {
    padding: 16px 14px 80px;
  }
}

@media (max-width: 600px) {
  .menu-grid-responsive {
    grid-template-columns: 1fr;
  }

  .beranda-hero-title {
    font-size: 24px;
  }

  .beranda-hero-card {
    padding: 22px 18px;
  }

  .user-status-pill {
    display: none;
  }
}

/* ========================================================
   BOTTOM NAVIGATION BAR (DESKTOP 1920x1080 & RESPONSIVE)
   Clean, Minimalist, White Bar, 3 Centered Menus (90-100px)
   ======================================================== */
.app-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 94px;
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 0 24px calc(env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
  transition: all 0.3s ease;
}

/* Area Tengah Navigation Bar untuk 3 Menu Horizontal */
.app-bottom-nav-inner {
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 0 auto;
}

.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  text-decoration: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px 12px;
  transition: all 0.22s ease;
  color: #64748b;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  border-radius: 12px;
}

/* Ukuran Ikon Sekitar 28–32 px */
.nav-tab-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
  color: inherit;
}

.nav-tab-icon svg {
  width: 30px;
  height: 30px;
  display: block;
  fill: currentColor;
}

/* Ukuran Teks Sekitar 15–16 px */
.nav-tab-label {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.2px;
  line-height: 1.2;
  transition: color 0.2s ease;
  color: inherit;
  white-space: nowrap;
}

/* Menu Aktif Menggunakan Warna Hijau (seperti Beranda) */
.nav-tab.active,
.nav-tab.active .nav-tab-label,
.nav-tab.active .nav-tab-icon {
  color: #10b981 !important;
}

.nav-tab.active .nav-tab-icon {
  transform: translateY(-1px);
}

.nav-tab:hover {
  color: #1e293b;
}

.nav-tab.active:hover {
  color: #059669 !important;
}

.nav-tab:active {
  transform: scale(0.95);
}

/* Ruang bawah body agar konten tidak tertutup navbar (tinggi navbar 94px) */
body {
  padding-bottom: 114px !important;
}

@media (max-width: 600px) {
  .app-bottom-nav {
    height: 78px;
    padding: 0 12px;
  }
  .app-bottom-nav-inner {
    max-width: 100%;
  }
  .nav-tab-icon {
    width: 26px;
    height: 26px;
  }
  .nav-tab-icon svg {
    width: 26px;
    height: 26px;
  }
  .nav-tab-label {
    font-size: 13px;
  }
  body {
    padding-bottom: 96px !important;
  }
}

/* ========================================================
   PELETAKAN STYLE GRID 2 KOLOM (MENU & LAYANAN UTAMA TKJ)
   ======================================================== */

.netora-menu-section {
  margin: 10px 0 28px;
}

/* 2. Grid 2 Kolom Menu Utama Netora (Peletakan Style Sesuai Contoh) */
.tkj-portal-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.tkj-portal-card {
  background: rgba(13, 20, 40, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  min-height: 150px;
  position: relative;
  overflow: hidden;
}

.tkj-portal-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94, 231, 255, 0.45);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 142, 255, 0.22);
}

.tkj-portal-card:active {
  transform: scale(0.96);
}

.tkj-portal-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  flex-shrink: 0;
  transition: transform 0.22s ease;
}

.tkj-portal-card:hover .tkj-portal-card-icon {
  transform: scale(1.1);
}

.tkj-portal-card-icon svg {
  width: 26px;
  height: 26px;
}

.tkj-portal-card-title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.3;
  letter-spacing: -0.2px;
}

.tkj-portal-card-desc {
  margin: 0;
  font-size: 11.5px;
  color: var(--text-low);
  line-height: 1.4;
  max-width: 92%;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tablet & Desktop Layout (4 Modul Utama Simetris) */
@media (min-width: 960px) {
  .tkj-portal-grid-2col {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
}

/* ========================================================
   PENGUMUMAN & SUB-HALAMAN (DESKTOP & MOBILE FRIENDLY)
   ======================================================== */

/* Grid Pengumuman: 2 Kolom Luas di Desktop, 1 Kolom Rapi di Mobile */
#pengumuman-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

@media (min-width: 768px) {
  #pengumuman-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    align-items: stretch;
  }
}

.announcement-card {
  margin-bottom: 0 !important;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 22px 24px;
  background: linear-gradient(180deg, rgba(16, 23, 47, 0.85), rgba(10, 15, 31, 0.85));
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.25s ease;
  box-sizing: border-box;
}

.announcement-card:hover {
  transform: translateY(-3px);
  border-color: rgba(94, 231, 255, 0.45);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(59, 142, 255, 0.15);
}

.announcement-card.important {
  border-color: rgba(239, 68, 68, 0.55);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.15);
}

.announcement-card.important:hover {
  border-color: rgba(239, 68, 68, 0.85);
  box-shadow: 0 12px 30px rgba(239, 68, 68, 0.25);
}

.announcement-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.announcement-badges {
  display: flex;
  gap: 8px;
  align-items: center;
}

.announcement-date {
  font-size: 12px;
  color: var(--text-low);
  font-weight: 500;
}

.announcement-title {
  margin: 0 0 10px;
  font-size: 17.5px;
  font-weight: 700;
  color: var(--text-hi);
  line-height: 1.35;
}

.announcement-body {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-mid);
  line-height: 1.65;
  white-space: pre-line;
  flex: 1;
}

/* Video Grid Responsif (Desktop 2 Kolom) */
#video-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  #video-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    align-items: stretch;
  }
  #video-container .card-panel {
    margin-bottom: 0 !important;
    height: 100%;
    display: flex;
    flex-direction: column;
  }
}

/* Quiz Responsif (Desktop Centered Focus Box) */
#quiz-container,
.quiz-max-width {
  max-width: 820px;
  margin: 0 auto;
}
.progress-bar-bg {
  max-width: 820px;
  margin: 0 auto 20px;
}

/* Kalkulator Responsif */
.calc-container-max {
  max-width: 820px;
  margin: 0 auto;
}

/* Profil Responsif */
.profile-max-width {
  max-width: 820px;
  margin: 0 auto;
}

/* ========================================================
   ADMIN CONSOLE DASHBOARD STYLES (FULL WEBSITE DESKTOP VIEW)
   ======================================================== */

body.admin-page {
  display: block;
  min-height: 100vh;
  margin: 0;
  padding: 0 0 60px !important;
  background: var(--bg-0);
  color: var(--text-hi);
}

.admin-container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px 24px 60px;
  position: relative;
  z-index: 1;
}

/* Admin Header */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.2);
  flex-wrap: wrap;
  gap: 16px;
}

.admin-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.admin-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.admin-clock-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 20, 40, 0.85);
  border: 1px solid var(--panel-border);
  padding: 8px 14px;
  border-radius: 14px;
  font-size: 12.5px;
  color: var(--text-mid);
}

.dot-online {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse-glow 2s infinite;
}

.admin-profile-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(13, 20, 40, 0.9);
  border: 1px solid rgba(139, 92, 246, 0.35);
  padding: 6px 14px 6px 8px;
  border-radius: 16px;
}

.admin-avatar-mini {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--purple);
}

.admin-profile-text {
  display: flex;
  flex-direction: column;
}

.admin-profile-text strong {
  font-size: 13px;
  color: var(--text-hi);
  line-height: 1.2;
}

.admin-profile-text span {
  font-size: 10.5px;
  color: var(--cyan);
  font-weight: 600;
}

.btn-logout-mini {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-left: 4px;
}

.btn-logout-mini:hover {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.btn-logout-mini svg {
  width: 16px;
  height: 16px;
}

/* Admin Navigation Tabs */
.admin-nav-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 26px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.15);
  padding-bottom: 12px;
  overflow-x: auto;
}

.admin-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 20, 40, 0.6);
  border: 1px solid var(--panel-border);
  color: var(--text-mid);
  padding: 10px 18px;
  border-radius: 14px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.22s ease;
  white-space: nowrap;
}

.admin-tab-btn svg {
  width: 18px;
  height: 18px;
}

.admin-tab-btn:hover {
  background: rgba(13, 20, 40, 0.95);
  color: var(--text-hi);
  border-color: rgba(94, 231, 255, 0.35);
}

.admin-tab-btn.active {
  background: linear-gradient(135deg, rgba(59, 142, 255, 0.22), rgba(139, 92, 246, 0.22));
  border-color: var(--cyan);
  color: #fff;
  box-shadow: 0 0 16px rgba(94, 231, 255, 0.2);
}

.admin-tab-content {
  display: none;
}

.admin-tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease;
}

/* KPI Metric Cards Grid */
.admin-kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

@media (max-width: 1200px) {
  .admin-kpi-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .admin-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .admin-kpi-grid {
    grid-template-columns: 1fr;
  }
}

.kpi-card {
  background: rgba(13, 20, 40, 0.85);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.22s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-3px);
  border-color: rgba(94, 231, 255, 0.45);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 16px rgba(59, 142, 255, 0.15);
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kpi-icon svg {
  width: 24px;
  height: 24px;
}

.kpi-blue { background: rgba(59, 142, 255, 0.18); border: 1px solid rgba(59, 142, 255, 0.4); color: var(--blue); }
.kpi-purple { background: rgba(139, 92, 246, 0.18); border: 1px solid rgba(139, 92, 246, 0.4); color: #c084fc; }
.kpi-cyan { background: rgba(94, 231, 255, 0.18); border: 1px solid rgba(94, 231, 255, 0.4); color: var(--cyan); }
.kpi-green { background: rgba(34, 197, 94, 0.18); border: 1px solid rgba(34, 197, 94, 0.4); color: #4ade80; }
.kpi-orange { background: rgba(245, 158, 11, 0.18); border: 1px solid rgba(245, 158, 11, 0.4); color: #fbbf24; }
.kpi-red { background: rgba(239, 68, 68, 0.18); border: 1px solid rgba(239, 68, 68, 0.4); color: #f87171; }

.kpi-body {
  flex: 1;
  min-width: 0;
}

.kpi-title {
  display: block;
  font-size: 11.5px;
  color: var(--text-low);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kpi-value {
  margin: 2px 0 1px;
  font-size: 26px;
  font-weight: 800;
  color: var(--text-hi);
  line-height: 1.1;
}

.kpi-sub {
  font-size: 11px;
  font-weight: 600;
}

/* Admin Analytics Grid */
.admin-analytics-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
}

@media (max-width: 992px) {
  .admin-analytics-grid {
    grid-template-columns: 1fr;
  }
}

.panel-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Score Distribution Progress Bars */
.score-bars-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 18px;
}

.score-bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.score-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-mid);
}

.score-bar-label strong {
  color: var(--text-hi);
}

.score-bar-track {
  width: 100%;
  height: 9px;
  background: rgba(5, 8, 16, 0.7);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(108, 124, 255, 0.15);
}

.score-bar-fill {
  height: 100%;
  border-radius: 10px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.bar-cyan { background: linear-gradient(90deg, var(--blue), var(--cyan)); box-shadow: 0 0 10px var(--cyan); }
.bar-purple { background: linear-gradient(90deg, var(--blue), var(--purple)); box-shadow: 0 0 10px var(--purple); }
.bar-red { background: linear-gradient(90deg, #f97316, var(--red)); box-shadow: 0 0 10px var(--red); }

/* Server Status List */
.server-status-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.server-status-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(5, 8, 16, 0.45);
  border: 1px solid rgba(108, 124, 255, 0.15);
  border-radius: 12px;
  font-size: 13px;
}

.status-key {
  color: var(--text-mid);
  font-weight: 500;
}

/* Admin Table Styles */
.admin-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid rgba(108, 124, 255, 0.2);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.admin-table th {
  background: rgba(5, 8, 16, 0.85);
  color: var(--text-low);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.25);
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(108, 124, 255, 0.12);
  color: var(--text-mid);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: background 0.18s ease;
}

.admin-table tbody tr:hover {
  background: rgba(59, 142, 255, 0.06);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* Glowing Score Pills */
.skor-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.2px;
}

.skor-lulus {
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.45);
  color: #4ade80;
  box-shadow: 0 0 10px rgba(34, 197, 94, 0.2);
}

.skor-remidi {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #f87171;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

/* Action Delete Button */
.btn-action-delete {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  padding: 6px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-action-delete:hover {
  background: var(--red);
  color: #fff;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}

.btn-action-delete svg {
  width: 14px;
  height: 14px;
}

/* Admin Announcement Grid */
.admin-announcement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .admin-announcement-grid {
    grid-template-columns: 1fr;
  }
}

.btn-copy-mini {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-mid);
  padding: 3px 6px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  line-height: 1;
  transition: all 0.2s ease;
}

.btn-copy-mini:hover {
  background: rgba(124, 58, 237, 0.25);
  border-color: var(--purple);
  color: #fff;
}

/* ========================================================================== */
/* NETORA MODERN EDTECH BLUE & ORANGE DESIGN SYSTEM (Sesuai Referensi UI)    */
/* ========================================================================== */

/* Mobile App Shell (Tampilan Presisi Seperti Mockup HP di Mobile, Widescreen Responsif di Desktop) */
.netora-mobile-app {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  background: #F4F7FC;
  box-shadow: 0 0 50px rgba(13, 91, 255, 0.08);
  position: relative;
  padding-bottom: 68px !important;
  box-sizing: border-box;
  overflow-x: hidden;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

/* Navigasi Desktop (Secara default tersembunyi di mobile) */
.desktop-top-nav-links {
  display: none;
  align-items: center;
  gap: 4px;
}

.desktop-nav-link {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 11px;
  border-radius: 10px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.desktop-nav-link svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  stroke-width: 2;
  flex-shrink: 0;
}

.desktop-nav-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
}

.desktop-nav-link.active {
  background: rgba(255, 255, 255, 0.22);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.hero-card-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

.hero-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

/* ========================================================================== */
/* RESPONSIVE DESKTOP ADAPTATION (Widescreen >= 768px & 992px)               */
/* ========================================================================== */
@media (min-width: 768px) {
  .netora-mobile-app {
    max-width: 1200px !important;
    margin: 20px auto !important;
    border-radius: 28px !important;
    min-height: calc(100vh - 40px) !important;
    border: 1px solid rgba(13, 91, 255, 0.12) !important;
    box-shadow: 0 16px 50px rgba(13, 91, 255, 0.08) !important;
    padding-bottom: 40px !important;
  }

  /* Sembunyikan status bar HP di layar desktop/laptop */
  .top-status-bar {
    display: none !important;
  }

  /* Sembunyikan bottom navigation bar HP di layar desktop/laptop */
  .app-bottom-nav-white {
    display: none !important;
  }

  /* Tampilkan navbar navigasi atas khusus desktop */
  .desktop-top-nav-links {
    display: flex !important;
  }

  /* Header Desktop yang lebih lega */
  .app-top-header-royal {
    padding: 18px 28px !important;
    border-bottom-left-radius: 28px !important;
    border-bottom-right-radius: 28px !important;
  }

  /* Grid Menu Utama: Di desktop otomatis 4 kolom sejajar */
  .menu-grid-2x2 {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 18px !important;
    padding: 0 28px !important;
  }

  /* Section Header padding desktop */
  .section-header-orange {
    margin: 28px 28px 16px !important;
    font-size: 19px !important;
  }

  /* Hero Card Dark di Desktop: Lebih lebar, teks dan router side-by-side */
  .hero-card-dark {
    margin: -10px 28px 24px !important;
    padding: 34px 40px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 28px !important;
  }

  .hero-card-content {
    flex: 1 !important;
    max-width: 580px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
  }

  .hero-card-dark h3,
  .hero-card-title {
    font-size: 24px !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    margin: 8px 0 10px !important;
  }

  .hero-card-dark p,
  .hero-card-desc {
    font-size: 13.5px !important;
    line-height: 1.6 !important;
    color: #94A3B8 !important;
    margin: 0 0 20px !important;
  }

  .hero-card-actions {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
  }

  .hero-router-illu {
    position: static !important;
    width: 200px !important;
    height: 150px !important;
    flex-shrink: 0 !important;
  }

  /* Hero Card Blue di Desktop */
  .hero-card-blue {
    margin: 24px 28px !important;
    padding: 24px 30px !important;
  }

  .hero-blue-text h3 {
    font-size: 20px !important;
  }

  .hero-blue-text p {
    font-size: 13.5px !important;
  }

  /* Filter Pills di Desktop */
  .filter-pills-row {
    padding: 4px 28px 18px !important;
  }

  /* Kalkulator Split 2 Kolom di Desktop (Input Kiri, Hasil Kanan) */
  .calc-desktop-split {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 24px !important;
    padding: 0 28px !important;
    align-items: start !important;
  }

  /* Grid 3 Kolom untuk Video, Quiz, Materi di Desktop */
  .desktop-grid-3col {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 16px !important;
    padding: 0 28px !important;
  }

  .desktop-grid-2col {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
    padding: 0 28px !important;
  }

  .white-item-card,
  .video-card-item {
    margin: 0 !important;
  }

  /* Splash & Auth Desktop Adaptation (2 Kolom Lebar di Layar Komputer) */
  .splash-desktop-split {
    display: grid !important;
    grid-template-columns: 1.15fr 0.85fr !important;
    gap: 40px !important;
    align-items: center !important;
    padding: 44px 50px 36px !important;
    text-align: left !important;
  }

  .splash-text-col {
    text-align: left !important;
  }

  .splash-text-col h1 {
    font-size: 38px !important;
  }

  .splash-text-col h3 {
    font-size: 20px !important;
    max-width: 100% !important;
    margin: 0 0 16px 0 !important;
    text-align: left !important;
  }

  .splash-features-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    margin: 20px 0 28px !important;
  }

  .splash-feature-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    font-size: 13.5px !important;
    color: #E2E8F0 !important;
    background: rgba(255, 255, 255, 0.05) !important;
    padding: 10px 16px !important;
    border-radius: 12px !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
  }

  .splash-illu-col {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 320px !important;
  }

  .splash-illu-col svg {
    max-width: 440px !important;
    height: 100% !important;
  }

  /* Auth Desktop Split (Showcase di Kiri, Form Card di Kanan) */
  .auth-desktop-split {
    display: grid !important;
    grid-template-columns: 0.95fr 1.05fr !important;
    gap: 40px !important;
    align-items: start !important;
    padding: 36px 44px !important;
  }

  .auth-showcase-col {
    display: flex !important;
    flex-direction: column !important;
    gap: 18px !important;
    padding-top: 10px !important;
  }

  .auth-form-card-col {
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 24px !important;
    padding: 28px 24px !important;
    backdrop-filter: blur(10px) !important;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3) !important;
  }

  /* Responsive Display Utilities */
  .desktop-only-block {
    display: block !important;
  }
  .desktop-only-flex {
    display: flex !important;
  }
  .mobile-only-block {
    display: none !important;
  }
  .mobile-only-flex {
    display: none !important;
  }
}

/* Splash & Auth Mobile Default Styles (Single Column Rapi untuk HP) */
.desktop-only-block {
  display: none !important;
}
.desktop-only-flex {
  display: none !important;
}
.mobile-only-block {
  display: block !important;
}
.mobile-only-flex {
  display: flex !important;
}

.splash-desktop-split {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 20px 24px;
}

.splash-text-col {
  text-align: center;
}

.splash-features-grid {
  display: none;
}

.splash-illu-col {
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 10px 0 20px;
}

.auth-desktop-split {
  display: block;
  padding: 10px 16px 20px;
}

.auth-showcase-col {
  display: none;
}

.auth-form-card-col {
  background: transparent;
  border: none;
  padding: 0;
}

/* Header Status Bar & App Bar Biru Royal Solid */
.app-top-header-royal {
  background: #0D5BFF;
  color: #FFFFFF;
  padding: 16px 20px 24px;
  border-bottom-left-radius: 26px;
  border-bottom-right-radius: 26px;
  position: relative;
  z-index: 10;
  box-shadow: 0 8px 24px rgba(13, 91, 255, 0.2);
}

.top-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
  opacity: 0.95;
  letter-spacing: -0.2px;
}

.top-bar-indicators {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-greeting-title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.3px;
}

.header-greeting-sub {
  margin: 3px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
}

/* Tombol Notifikasi Lonceng dengan Titik Merah */
.btn-notif-bell {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  text-decoration: none;
  position: relative;
  transition: all 0.2s ease;
}

.btn-notif-bell:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.notif-badge-dot {
  position: absolute;
  top: 9px;
  right: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #EF4444;
  border: 2px solid #0D5BFF;
}

/* Header Subhalaman (Back Button + Title + Right Action) */
.subpage-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.subpage-back-btn {
  color: #FFFFFF;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: 0.2s;
}

.subpage-back-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.subpage-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: #FFFFFF;
  text-align: center;
  flex: 1;
}

.subpage-action-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  text-decoration: none;
  font-size: 16px;
}

/* Card Hero Gelap (Midnight Cyber-Navy di Beranda) */
.hero-card-dark {
  background: #0B132B;
  border-radius: 22px;
  padding: 22px;
  color: #FFFFFF;
  margin: -10px 16px 22px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(11, 19, 43, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-dark::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(13, 91, 255, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 12px;
}

.hero-card-dark h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: #FFFFFF;
  max-width: 220px;
}

.hero-card-dark p {
  margin: 0 0 16px;
  font-size: 11.5px;
  color: #94A3B8;
  line-height: 1.45;
  max-width: 210px;
}

.btn-hero-orange {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #FF8A00 0%, #FF5100 100%);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 800;
  padding: 9px 18px;
  border-radius: 20px;
  box-shadow: 0 6px 18px rgba(255, 122, 0, 0.4);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-hero-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 122, 0, 0.55);
}

.hero-router-illu {
  position: absolute;
  right: 14px;
  bottom: 16px;
  width: 120px;
  height: 100px;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.carousel-dots-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
}

.dot-carousel {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #CBD5E1;
  transition: 0.2s;
}

.dot-carousel.active {
  width: 18px;
  border-radius: 10px;
  background: #0D5BFF;
}

/* Card Hero Biru Gradient (Untuk Video, Kalkulator, Quiz, Materi) */
.hero-card-blue {
  background: linear-gradient(135deg, #0D5BFF 0%, #0047BA 100%);
  border-radius: 20px;
  padding: 18px 20px;
  color: #FFFFFF;
  margin: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 24px rgba(13, 91, 255, 0.22);
}

.hero-blue-iconbox {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.hero-blue-text h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
}

.hero-blue-text p {
  margin: 3px 0 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

/* Section Header dengan Garis Oranye */
.section-header-orange {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
  color: #1E293B;
  margin: 18px 16px 12px;
}

.section-header-orange::before {
  content: '';
  width: 4px;
  height: 16px;
  background: #FF7A00;
  border-radius: 4px;
  display: inline-block;
}

/* 2x2 Menu Utama Grid */
.menu-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 0 16px;
}

.menu-card-2x2 {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 16px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 155px;
  box-shadow: 0 4px 18px rgba(13, 91, 255, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.menu-card-2x2:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(13, 91, 255, 0.12);
}

.menu-card-top {
  display: flex;
  flex-direction: column;
}

.menu-card-iconbox {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 12px;
  position: relative;
}

.iconbox-video {
  background: rgba(13, 91, 255, 0.12);
  color: #0D5BFF;
}

.iconbox-kalkulator {
  background: rgba(13, 91, 255, 0.1);
  color: #0D5BFF;
}

.iconbox-quiz {
  background: rgba(124, 58, 237, 0.12);
  color: #7C3AED;
}

.iconbox-materi {
  background: rgba(0, 180, 216, 0.12);
  color: #00B4D8;
}

.badge-mini-orange {
  position: absolute;
  top: -4px;
  right: -6px;
  background: #FF7A00;
  color: #FFFFFF;
  font-size: 9px;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 4px;
}

.menu-card-title {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 800;
  color: #1E293B;
}

.menu-card-desc {
  margin: 0;
  font-size: 11px;
  color: #64748B;
  line-height: 1.4;
}

.menu-card-bottom {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.circle-arrow-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 800;
}

.circle-arrow-blue { background: #0D5BFF; }
.circle-arrow-orange { background: #FF7A00; }
.circle-arrow-purple { background: #7C3AED; }
.circle-arrow-cyan { background: #00B4D8; }

/* Filter Pill Bar (Horizontal Scroll) */
.filter-pills-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 16px 14px;
  scrollbar-width: none;
}

.filter-pills-row::-webkit-scrollbar {
  display: none;
}

.filter-pill {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 600;
  background: #FFFFFF;
  color: #64748B;
  border: 1px solid rgba(0, 0, 0, 0.06);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.filter-pill.active {
  background: #0D5BFF;
  color: #FFFFFF;
  border-color: #0D5BFF;
  box-shadow: 0 4px 14px rgba(13, 91, 255, 0.3);
}

/* White List Cards (Video, Materi, Quiz) */
.white-item-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 14px 16px;
  margin: 0 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-decoration: none;
  box-shadow: 0 2px 14px rgba(13, 91, 255, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: all 0.2s ease;
}

.white-item-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 91, 255, 0.1);
}

.item-left-flex {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.item-square-thumb {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #0B132B;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.item-thumb-duration {
  position: absolute;
  bottom: 2px;
  font-size: 9px;
  font-weight: 700;
  color: #CBD5E1;
  background: rgba(0, 0, 0, 0.6);
  padding: 1px 4px;
  border-radius: 4px;
}

.item-meta-col {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.item-title-text {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  color: #1E293B;
  line-height: 1.35;
}

.item-sub-text {
  margin: 0;
  font-size: 11.5px;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 8px;
}

.item-star-rating {
  color: #F59E0B;
  font-weight: 700;
  font-size: 11.5px;
}

.item-chevron-icon {
  color: #94A3B8;
  font-size: 16px;
  font-weight: bold;
}

/* Segmented Control Bar (Kalkulator Subnet/Network/Broadcast/Range) */
.segmented-pill-bar {
  display: flex;
  background: #FFFFFF;
  border-radius: 14px;
  padding: 4px;
  margin: 0 16px 16px;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.segmented-pill-btn {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  color: #64748B;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: 0.2s;
}

.segmented-pill-btn.active {
  background: #0D5BFF;
  color: #FFFFFF;
  box-shadow: 0 3px 10px rgba(13, 91, 255, 0.3);
}

/* Layout Kalkulator Split di Mobile (Default padding 16px agar sejajar sempurna) */
.calc-desktop-split {
  padding: 0 16px;
  box-sizing: border-box;
}

/* Card Hasil Kalkulator Putih Bersih Modern */
.calc-result-card-blue {
  background: #FFFFFF;
  border: 1px solid rgba(13, 91, 255, 0.1);
  border-radius: 20px;
  padding: 14px 16px;
  margin: 0 0 14px 0;
  box-shadow: 0 4px 18px rgba(13, 91, 255, 0.05);
  box-sizing: border-box;
}

/* Item Baris Rincian Subnetting yang Teratur & Rapi */
.calc-row-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-radius: 12px;
  margin-bottom: 7px;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.calc-row-item:last-child {
  margin-bottom: 0;
}

/* State Highlight Baris Saat Tab Subnet/Net/Bcast/Range Dipilih */
.calc-row-item.highlight-active {
  background: #EFF6FF !important;
  border-color: #3B82F6 !important;
  box-shadow: 0 2px 8px rgba(13, 91, 255, 0.1) !important;
}

/* Baris Khusus Bertumpuk untuk Biner 32-bit (Mencegah teks terpotong di tengah oktet) */
.calc-row-item-stacked {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 10px 12px;
  background: #F8FAFC;
  border: 1.5px solid #E2E8F0;
  border-radius: 12px;
  margin-bottom: 7px;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.calc-row-item-stacked.highlight-active {
  background: #EFF6FF !important;
  border-color: #3B82F6 !important;
  box-shadow: 0 2px 8px rgba(13, 91, 255, 0.1) !important;
}

.calc-label-text {
  font-size: 12px;
  font-weight: 700;
  color: #475569;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.calc-val-text {
  font-size: 13px;
  font-weight: 800;
  color: #0F172A;
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: flex-end;
  text-align: right;
  min-width: 0;
}

/* Tombol Salin Mini Seragam di Setiap Baris */
.btn-copy-mini {
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 7px;
  border: 1px solid #CBD5E1;
  background: #FFFFFF;
  color: #64748B;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.btn-copy-mini:hover {
  background: #EFF6FF;
  border-color: #93C5FD;
  color: #0D5BFF;
}

.btn-copy-mini:active {
  transform: scale(0.92);
}

@media (max-width: 380px) {
  .calc-row-item {
    padding: 8px 10px;
    gap: 6px;
  }
  .calc-label-text {
    font-size: 11px;
  }
  .calc-val-text {
    font-size: 12px;
  }
}

/* Bottom Navigation Bar Putih Bersih (Menempel Presisi di Bawah Layar Tanpa Celah) */
.app-bottom-nav-white {
  position: fixed !important;
  bottom: 0 !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: 100% !important;
  max-width: 480px !important;
  background: #FFFFFF !important;
  display: flex !important;
  justify-content: space-around !important;
  align-items: center !important;
  height: 60px !important;
  padding-bottom: max(2px, env(safe-area-inset-bottom, 2px)) !important;
  border-top: 1px solid rgba(0, 0, 0, 0.06) !important;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05) !important;
  z-index: 99999 !important;
  box-sizing: border-box !important;
}

@media (min-width: 768px) {
  .app-bottom-nav-white {
    display: none !important;
  }
}

.nav-tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: #94A3B8;
  text-decoration: none;
  font-size: 11px;
  font-weight: 700;
  transition: all 0.2s ease;
  position: relative;
  flex: 1;
}

.nav-tab-item.active {
  color: #0D5BFF;
}

.nav-tab-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
}

.nav-tab-item.active svg {
  fill: #0D5BFF;
  stroke: #0D5BFF;
}

.nav-notif-dot {
  position: absolute;
  top: 6px;
  right: calc(50% - 14px);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #EF4444;
  border: 1.5px solid #FFFFFF;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.7);
  display: none;
}

.desktop-notif-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #EF4444;
  border: 1px solid #FFFFFF;
  display: none;
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.8);
  margin-left: -2px;
}

/* ========================================================================== */
/* NETORA iOS-GRADE SLIDE & GLIDE TRANSITIONS (SEPERTI APLIKASI iPHONE)       */
/* ========================================================================== */

/* Top Glowing Page Loading Bar */
#netora-top-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #0D5BFF 0%, #00D2FF 50%, #FF7A00 100%);
  box-shadow: 0 0 10px rgba(13, 91, 255, 0.8), 0 0 4px rgba(0, 210, 255, 0.6);
  z-index: 999999;
  pointer-events: none;
  transition: width 0.24s cubic-bezier(0.32, 0.72, 0, 1), opacity 0.2s ease;
  opacity: 0;
}
#netora-top-progress-bar.active {
  opacity: 1;
}

/* 1. Navigasi ke KANAN: Halaman baru meluncur masuk halus dari KANAN */
.netora-slide-in-from-right,
.netora-glide-in-right {
  animation: netoraGlideInRight 0.22s cubic-bezier(0.2, 0.9, 0.3, 1) forwards !important;
  will-change: transform, opacity;
}

@keyframes netoraGlideInRight {
  0% {
    opacity: 0.35;
    transform: translate3d(14px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* 2. Navigasi ke KANAN: Halaman saat ini fade halus ke KIRI */
.netora-slide-out-to-left {
  animation: netoraSlideOutToLeft 0.1s ease forwards !important;
  pointer-events: none !important;
  will-change: transform, opacity;
}

@keyframes netoraSlideOutToLeft {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0.7;
    transform: translate3d(-8px, 0, 0);
  }
}

/* 3. Navigasi ke KIRI (Kembali): Halaman baru meluncur masuk halus dari KIRI */
.netora-slide-in-from-left,
.netora-glide-in-left {
  animation: netoraGlideInLeft 0.22s cubic-bezier(0.2, 0.9, 0.3, 1) forwards !important;
  will-change: transform, opacity;
}

@keyframes netoraGlideInLeft {
  0% {
    opacity: 0.35;
    transform: translate3d(-14px, 0, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* 4. Navigasi ke KIRI (Kembali): Halaman saat ini fade halus ke KANAN */
.netora-slide-out-to-right {
  animation: netoraSlideOutToRight 0.1s ease forwards !important;
  pointer-events: none !important;
  will-change: transform, opacity;
}

@keyframes netoraSlideOutToRight {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
  100% {
    opacity: 0.7;
    transform: translate3d(8px, 0, 0);
  }
}

/* Tab crossfade di dalam dashboard */
.profil-tab-content,
.tab-pane,
.tab-content-panel {
  animation: netoraTabSlide 0.22s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

@keyframes netoraTabSlide {
  0% {
    opacity: 0;
    transform: translate3d(0, 6px, 0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* Clean smooth page entrance animation */
.netora-page-fade-in {
  animation: netoraFadeIn 0.2s ease-out forwards;
}

@keyframes netoraFadeIn {
  from { opacity: 0.85; }
  to { opacity: 1; }
}

/* ========================================================================== */
/* PULL-TO-REFRESH FORMAL (NATIVE CIRCLE SPINNER - HANYA BERPUTAR SAJA)       */
/* ========================================================================== */
.netora-ptr-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none !important;
  z-index: 9999999;
  transform: translate3d(0, -60px, 0);
  opacity: 0;
  transition: transform 0.28s cubic-bezier(0.2, 0.85, 0.3, 1), opacity 0.2s ease;
}

.netora-ptr-wrapper.pulling {
  transition: none !important;
}

.netora-ptr-wrapper.refreshing {
  transform: translate3d(0, 20px, 0) !important;
  opacity: 1 !important;
}

.netora-ptr-formal-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.13), 0 2px 6px rgba(13, 91, 255, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none !important;
  user-select: none;
  -webkit-user-select: none;
}

.netora-ptr-svg {
  width: 24px;
  height: 24px;
  display: block;
}

.netora-ptr-wrapper.refreshing .netora-ptr-svg {
  animation: netoraFormalSpin 0.75s linear infinite !important;
}

@keyframes netoraFormalSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ========================================================================== */
/* NETORA SKELETON LOADING ENGINE (SHIMMER ANIMATION TANPA SPINNER TENGAH)    */
/* ========================================================================== */
.netora-skeleton {
  background: linear-gradient(90deg, #E2E8F0 25%, #F1F5F9 50%, #E2E8F0 75%);
  background-size: 200% 100%;
  animation: netoraSkeletonShimmer 1.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  border-radius: 8px;
  display: inline-block;
  pointer-events: none;
  user-select: none;
}

@keyframes netoraSkeletonShimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Skeleton Card (Untuk List Modul Materi, Video, Quiz) */
.skeleton-item-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 14px 16px;
  margin: 0 16px 12px;
  box-shadow: 0 4px 16px rgba(13, 91, 255, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.skeleton-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.skeleton-square-thumb {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  flex-shrink: 0;
}

.skeleton-meta-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Skeleton Card Notifikasi / Pengumuman */
.skeleton-notif-card {
  background: #FFFFFF;
  border-radius: 18px;
  padding: 18px 16px;
  margin: 0 16px 14px;
  box-shadow: 0 3px 16px rgba(13, 91, 255, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skeleton-notif-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Skeleton Card Profil Siswa */
.skeleton-profil-card {
  background: #FFFFFF;
  border-radius: 22px;
  padding: 24px 20px 20px;
  margin: -10px 16px 16px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(13, 91, 255, 0.07);
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* Skeleton Baris & Garis Helper */
.skeleton-avatar {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  margin-bottom: 8px;
}

.skeleton-line {
  height: 12px;
  border-radius: 6px;
}

.skeleton-line.h-18 { height: 18px; }
.skeleton-line.h-14 { height: 14px; }
.skeleton-line.w-30 { width: 30%; }
.skeleton-line.w-40 { width: 40%; }
.skeleton-line.w-50 { width: 50%; }
.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-75 { width: 75%; }
.skeleton-line.w-90 { width: 90%; }
.skeleton-line.w-100 { width: 100%; }