:root {
  --blue: #1e4d8c;
  --navy: #081225;
  --navy-2: #142447;
  --orange: #e07b39;
  --cyan: #60d7ff;
  --teal: #0d6e6e;
  --green: #4ade80;
  --red: #fb7185;
  --white: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --line: rgba(255, 255, 255, 0.2);
  --glass: rgba(255, 255, 255, 0.13);
  --glass-2: rgba(255, 255, 255, 0.08);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.36);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: Inter, system-ui, sans-serif;
  color: var(--white);
  background:
    radial-gradient(circle at 10% 10%, rgba(96, 215, 255, 0.28), transparent 28rem),
    radial-gradient(circle at 94% 22%, rgba(224, 123, 57, 0.32), transparent 22rem),
    radial-gradient(circle at 70% 92%, rgba(13, 110, 110, 0.28), transparent 24rem),
    linear-gradient(135deg, #061024 0%, #133b71 48%, #080d1e 100%);
}

button, input { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }

.aurora {
  position: fixed;
  z-index: 0;
  border-radius: 999px;
  filter: blur(20px);
  opacity: 0.55;
  pointer-events: none;
}

.aurora-1 { width: 20rem; height: 20rem; left: 24%; top: 4%; background: rgba(96, 215, 255, 0.2); }
.aurora-2 { width: 22rem; height: 22rem; right: -8rem; top: 30%; background: rgba(224, 123, 57, 0.18); }
.aurora-3 { width: 18rem; height: 18rem; left: 40%; bottom: -6rem; background: rgba(74, 222, 128, 0.14); }

.glass {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.075));
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

.platform-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 18.5rem minmax(0, 1fr);
  gap: 1.1rem;
  width: min(1500px, calc(100vw - 1.6rem));
  margin: 0 auto;
  padding: 0.8rem 0;
}

.app-sidebar {
  position: sticky;
  top: 0.8rem;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 1.6rem);
  border-radius: 2rem;
  padding: 1rem;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.brand-logo {
  display: grid;
  width: 3.1rem;
  height: 3.1rem;
  place-items: center;
  border-radius: 1.1rem;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  font-size: 1.45rem;
  font-weight: 900;
}

.brand-row span, .label {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-row strong {
  display: block;
  margin-top: 0.12rem;
  font-size: 1.35rem;
}

.role-panel {
  display: grid;
  gap: 0.5rem;
  margin: 0.5rem 0 1rem;
  padding: 0.85rem;
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.07);
}

.role-pill,
.side-nav button,
.primary-btn,
.secondary-btn {
  border: 0;
  border-radius: 999px;
  padding: 0.72rem 0.95rem;
  color: var(--white);
  font-weight: 800;
}

.role-pill,
.side-nav button,
.secondary-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.role-pill.active,
.side-nav button.active,
.primary-btn {
  background: linear-gradient(135deg, var(--orange), #ffbc75);
  color: #23160d;
}

.side-nav {
  display: grid;
  gap: 0.45rem;
}

.side-nav button {
  border-radius: 1rem;
  text-align: left;
}

.storage-card {
  margin-top: auto;
  padding: 1rem;
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.08);
}

.storage-card strong { display: block; margin: 0.35rem 0 0.7rem; }
.storage-card small, .stat-card small, .module-card p, .tab-content, .batch-card p, .timeline p, .tool-grid p, .admin-feature-grid p { color: var(--muted); line-height: 1.55; }

.mini-progress {
  height: 0.55rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.mini-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.main-panel {
  display: grid;
  gap: 1.1rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 1.7rem;
  padding: 1rem 1.1rem;
}

.topbar h1 {
  margin-top: 0.25rem;
  font-size: clamp(1.45rem, 2.3vw, 2.2rem);
  letter-spacing: -0.04em;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.search-box {
  min-width: 18rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.74rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.workspace-view {
  display: none;
  gap: 1.1rem;
}

.workspace-view.active {
  display: grid;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 23rem;
  gap: 1.1rem;
}

.hero-card, .progress-orb, .panel, .stat-card {
  border-radius: 1.7rem;
  padding: 1.2rem;
}

.hero-card {
  min-height: 18rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-card h2 {
  max-width: 56rem;
  margin: 0.8rem 0;
  font-size: clamp(2.3rem, 5vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.hero-card p {
  max-width: 48rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.hero-actions { display: flex; gap: 0.7rem; margin-top: 1.2rem; flex-wrap: wrap; }

.badge {
  display: inline-flex;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 0.42rem 0.7rem;
  background: rgba(224, 123, 57, 0.18);
  color: #ffd8bd;
  font-size: 0.74rem;
  font-weight: 900;
}

.badge.muted { background: rgba(255, 255, 255, 0.08); color: var(--muted); }

.progress-orb {
  display: grid;
  place-items: center;
  text-align: center;
}

.orb {
  display: grid;
  width: 14rem;
  height: 14rem;
  place-items: center;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(8, 18, 37, 0.94) 0 56%, transparent 57%),
    conic-gradient(var(--orange) var(--complete, 0deg), rgba(255, 255, 255, 0.15) 0);
}

.orb strong { grid-area: 1 / 1; font-size: 2.7rem; }
.orb span { grid-area: 1 / 1; align-self: end; margin-bottom: 4.1rem; color: var(--muted); font-weight: 800; }
.orb-meta { display: grid; gap: 0.3rem; color: var(--muted); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.1rem;
}

.stat-card {
  display: grid;
  gap: 0.3rem;
}

.stat-card span { color: var(--muted); font-weight: 800; }
.stat-card strong { font-size: 2.2rem; line-height: 1; }

.content-layout, .admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 1.1rem;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-head h3 {
  margin-top: 0.2rem;
  font-size: 1.35rem;
}

.module-stack, .batch-list, .timeline, .tool-grid, .admin-feature-grid, .analytics-bars, .asset-table, .permission-matrix {
  display: grid;
  gap: 0.75rem;
}

.module-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.25rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.075);
}

.module-card.active {
  border-color: rgba(224, 123, 57, 0.8);
  background: rgba(224, 123, 57, 0.13);
}

.module-num {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.15);
  font-weight: 900;
}

.module-meta {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.module-meta span {
  border-radius: 999px;
  padding: 0.24rem 0.48rem;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.72rem;
  font-weight: 800;
}

.complete-btn {
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-weight: 900;
}

.complete-btn.done { background: var(--green); color: #052011; }

.video-player {
  min-height: 15rem;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1.4rem;
  padding: 1.25rem;
  background:
    radial-gradient(circle at 80% 20%, rgba(96, 215, 255, 0.24), transparent 14rem),
    linear-gradient(135deg, rgba(8, 18, 37, 0.8), rgba(30, 77, 140, 0.42));
}

.play-button {
  display: grid;
  width: 4.5rem;
  height: 4.5rem;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange), #ffd0a7);
  color: #24160d;
  font-size: 1.7rem;
  font-weight: 900;
}

.video-player h4 { margin-top: 0.35rem; font-size: 1.35rem; }

.tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.tab {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-weight: 800;
}

.tab.active { background: rgba(224, 123, 57, 0.25); border-color: rgba(224, 123, 57, 0.7); }

.tab-content {
  min-height: 10rem;
  border-radius: 1.2rem;
  padding: 1rem;
  background: rgba(8, 18, 37, 0.42);
}

.tab-content ul { margin: 0.7rem 0 0; padding-left: 1.1rem; }
.tab-content li + li { margin-top: 0.4rem; }

.resource-list, .quiz-options, .discussion { display: grid; gap: 0.7rem; }

.resource-row {
  display: grid;
  grid-template-columns: 4.5rem 1fr 7rem auto;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 1rem;
  padding: 0.7rem;
  background: rgba(255, 255, 255, 0.06);
}

.resource-row span {
  border-radius: 999px;
  padding: 0.3rem 0.45rem;
  background: rgba(96, 215, 255, 0.15);
  color: #c7f1ff;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 900;
}

.resource-row button, .quiz-options button {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.8rem;
  padding: 0.55rem 0.65rem;
  background: rgba(255, 255, 255, 0.09);
  color: var(--white);
}

.quiz-options button { text-align: left; }
.quiz-options button.correct { border-color: var(--green); background: rgba(74, 222, 128, 0.15); }
.quiz-options button.wrong { border-color: var(--red); background: rgba(251, 113, 133, 0.15); }
.feedback { margin-top: 0.75rem; color: #c7f1ff; font-weight: 800; }

.batch-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 1.2rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.075);
}

.batch-card div:last-child { text-align: right; }
.batch-card span { display: block; margin-top: 0.25rem; color: #ffd8bd; font-size: 0.85rem; font-weight: 800; }

.timeline-item {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0.8rem;
  border-left: 3px solid var(--orange);
  padding: 0.2rem 0 0.6rem 0.8rem;
}

.timeline-item span { color: #ffd8bd; font-weight: 900; }

.tool-grid, .admin-feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-grid article, .admin-feature-grid article, .permission-card {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 1.2rem;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.075);
}

.bar-row {
  display: grid;
  grid-template-columns: 8.5rem 1fr 3rem;
  gap: 0.75rem;
  align-items: center;
}

.bar-bg {
  height: 0.75rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.13);
}

.bar-bg i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.table-head, .table-row {
  display: grid;
  grid-template-columns: 5rem 1fr 6rem 5.5rem;
  gap: 0.7rem;
  align-items: center;
  padding: 0.75rem;
  border-radius: 0.9rem;
}

.table-head {
  background: rgba(8, 18, 37, 0.55);
  color: #c7f1ff;
  font-weight: 900;
}

.table-row {
  background: rgba(255, 255, 255, 0.075);
  color: rgba(255, 255, 255, 0.82);
}

.permission-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.permission-card span { display: block; margin-top: 0.45rem; color: var(--muted); font-size: 0.88rem; }

.modal {
  width: min(42rem, calc(100vw - 2rem));
  border-radius: 2rem;
  color: var(--white);
  padding: 2rem;
  text-align: center;
}

.modal::backdrop {
  background: rgba(5, 10, 24, 0.68);
  backdrop-filter: blur(10px);
}

.modal h2 { margin: 0.8rem 0 1rem; font-size: 2.4rem; }
.modal strong { display: block; margin: 0.8rem 0; color: #ffd8bd; font-size: 1.8rem; }
.modal h3 { margin: 0.8rem 0; }
.modal small { color: var(--muted); }

.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 2.2rem;
  height: 2.2rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  font-size: 1.25rem;
}

@media (max-width: 1180px) {
  .platform-shell, .hero-grid, .content-layout, .admin-grid { grid-template-columns: 1fr; }
  .app-sidebar { position: static; min-height: auto; }
  .side-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stats-grid, .tool-grid, .admin-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .topbar, .top-actions, .batch-card { align-items: stretch; flex-direction: column; }
  .search-box { min-width: 0; width: 100%; }
  .stats-grid, .tool-grid, .admin-feature-grid, .permission-matrix, .side-nav { grid-template-columns: 1fr; }
  .resource-row, .table-head, .table-row, .bar-row, .module-card { grid-template-columns: 1fr; }
  .hero-card h2 { font-size: 2.3rem; }
}