:root {
  --bg: #f5f7f7;
  --surface: #ffffff;
  --surface-alt: #eef4f4;
  --line: rgba(0, 96, 96, 0.16);
  --primary: #006060;
  --primary-strong: #004444;
  --primary-soft: rgba(0, 96, 96, 0.1);
  --ink: #1a2e2e;
  --muted: #4a7070;
  --success: #0f7a55;
  --success-soft: rgba(15, 122, 85, 0.12);
  --warning: #b7791f;
  --warning-soft: rgba(183, 121, 31, 0.14);
  --danger: #b42318;
  --danger-soft: rgba(180, 35, 24, 0.11);
  --shadow: 0 18px 48px rgba(0, 60, 60, 0.08);
  --shadow-strong: 0 26px 70px rgba(0, 60, 60, 0.14);
  --gold: #ad7c22;
  --blue: #2563eb;
  --violet: #6d28d9;
  --heading: "Sora", Arial, sans-serif;
  --body: "Source Sans 3", Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(0, 96, 96, 0.05), transparent 360px),
    var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.app {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
  background: var(--surface);
  border-right: 1px solid var(--line);
  padding: 24px;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-family: var(--heading);
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 0.84rem;
}

.brand small {
  display: block;
  color: var(--muted);
  font-family: var(--body);
  font-size: 0.86rem;
  font-weight: 700;
}

.nav-label {
  margin: 22px 0 8px;
  color: var(--muted);
  font-family: var(--heading);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.side-nav {
  display: grid;
  gap: 6px;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 800;
  transition: background 0.2s, color 0.2s;
}

.side-link svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  stroke-width: 2.2;
}

.side-link.active,
.side-link:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.sidebar-panel {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-alt);
}

.sidebar-panel strong {
  display: block;
  font-family: var(--heading);
  font-size: 0.92rem;
  margin-bottom: 8px;
}

.sidebar-panel p {
  color: var(--muted);
  font-size: 0.9rem;
}

.main {
  min-width: 0;
  padding: 24px;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(0, 96, 96, 0.1), rgba(255, 255, 255, 0.92)),
    var(--surface);
  box-shadow: var(--shadow-strong);
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(0, 96, 96, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 96, 96, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.hero-panel > * {
  position: relative;
  z-index: 1;
}

.hero-panel .page-head {
  margin-bottom: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: -24px -24px 24px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 247, 0.92);
  backdrop-filter: blur(16px);
}

.mobile-menu {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

.search {
  display: flex;
  align-items: center;
  gap: 10px;
  width: min(560px, 100%);
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
}

.search svg {
  width: 17px;
  height: 17px;
}

.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary-strong);
  color: #fff;
  font-family: var(--heading);
  font-size: 0.9rem;
  font-weight: 800;
}

.avatar.mini {
  width: 34px;
  height: 34px;
  font-size: 0.76rem;
}

.user-chip strong {
  display: block;
  font-family: var(--heading);
  font-size: 0.9rem;
}

.user-chip span {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.logout-btn {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--danger);
  cursor: pointer;
  font-family: var(--heading);
  font-size: 0.78rem;
  font-weight: 800;
}

.auth-page {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(0, 96, 96, 0.14), rgba(37, 99, 235, 0.08)),
    var(--bg);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
}

.auth-visual {
  display: grid;
  align-content: space-between;
  padding: 42px;
  background:
    linear-gradient(135deg, rgba(0, 68, 68, 0.92), rgba(0, 96, 96, 0.78)),
    url("https://images.unsplash.com/photo-1551836022-d5d88e9218df?auto=format&fit=crop&w=1400&q=80") center/cover;
  color: #fff;
}

.auth-visual .brand {
  margin-bottom: 0;
}

.auth-visual h1 {
  max-width: 720px;
  font-size: 2.65rem;
}

.auth-visual p {
  max-width: 620px;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
  font-weight: 700;
}

.auth-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.auth-highlights span {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
}

.auth-panel {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 34px;
  background: var(--surface);
  box-shadow: -22px 0 70px rgba(0, 60, 60, 0.1);
}

.auth-card {
  display: grid;
  gap: 16px;
}

.auth-card h2 {
  font-size: 1.75rem;
}

.auth-card p {
  color: var(--muted);
  font-weight: 800;
}

.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(0, 96, 96, 0.14), rgba(37, 99, 235, 0.08)),
    var(--bg);
}

.error-card {
  width: min(100%, 560px);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.error-card h1 {
  margin-top: 8px;
  font-size: 2rem;
}

.error-card p {
  margin-top: 10px;
  color: var(--muted);
  font-weight: 800;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.login-form {
  display: grid;
  gap: 12px;
}

.password-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.password-field input {
  min-width: 0;
  border: 0;
  border-radius: 0;
}

.password-field input:focus {
  outline: 2px solid rgba(0, 96, 96, 0.24);
  outline-offset: -2px;
}

.password-toggle {
  padding: 0 14px;
  border-left: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--primary);
  cursor: pointer;
  font-family: var(--heading);
  font-size: 0.78rem;
  font-weight: 800;
}

.admin-login-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid rgba(15, 122, 85, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(15, 122, 85, 0.11), rgba(0, 96, 96, 0.06));
}

.admin-login-card div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.admin-login-card strong {
  font-family: var(--heading);
}

.admin-login-card small {
  color: var(--muted);
  font-weight: 800;
}

.login-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.login-options label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.active-login {
  display: grid;
  gap: 10px;
}

.active-login {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-alt);
}

.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: end;
  margin-bottom: 20px;
}

.eyebrow {
  color: var(--primary);
  font-family: var(--heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--heading);
  line-height: 1.15;
}

h1 {
  max-width: 860px;
  margin-top: 8px;
  font-size: 2.2rem;
}

h2 {
  font-size: 1.42rem;
}

h3 {
  font-size: 1rem;
}

.lead {
  max-width: 840px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 1.05rem;
}

.head-actions,
.lesson-actions,
.admin-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--heading);
  font-size: 0.9rem;
  font-weight: 800;
  transition: transform 0.2s, background 0.2s;
}

.btn svg {
  width: 17px;
  height: 17px;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0, 96, 96, 0.22);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-strong);
}

.btn-secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
}

.danger-btn {
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.2);
}

.panel {
  margin-bottom: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-head p {
  margin-top: 5px;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.insight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 16px;
  margin-bottom: 20px;
}

.insight-stack {
  display: grid;
  gap: 16px;
}

.metric-card,
.course-card,
.admin-card,
.insight-card,
.utility-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric-card {
  min-height: 112px;
  padding: 16px;
}

.metric-card span,
.metric-card small {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  color: var(--primary);
  font-family: var(--heading);
  font-size: 1.82rem;
  line-height: 1;
}

.metric-card.accent strong {
  color: var(--gold);
}

.metric-card.blue strong {
  color: var(--blue);
}

.metric-card.violet strong {
  color: var(--violet);
}

.metric-card small {
  margin-top: 8px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.course-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.course-card {
  display: grid;
  gap: 12px;
  min-height: 220px;
  padding: 16px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.course-card.featured {
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(0, 96, 96, 0.08), transparent 55%),
    var(--surface);
}

.course-card.compact {
  min-height: 180px;
}

.course-card:hover,
.course-card.selected {
  transform: translateY(-2px);
  border-color: rgba(0, 96, 96, 0.34);
  box-shadow: 0 16px 38px rgba(0, 60, 60, 0.1);
}

.course-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.course-code {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: var(--heading);
  font-size: 0.78rem;
  font-weight: 800;
}

.course-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

.meta-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.progress-track {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #dbeaea;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--primary);
  transition: width 0.35s ease;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 4px 9px;
  border-radius: 999px;
  font-family: var(--heading);
  font-size: 0.74rem;
  font-weight: 800;
  white-space: nowrap;
}

.status.success {
  background: var(--success-soft);
  color: var(--success);
}

.status.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.status.danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.status.neutral {
  background: var(--surface-alt);
  color: var(--muted);
}

.status.blue {
  background: rgba(37, 99, 235, 0.11);
  color: var(--blue);
}

.status.gold {
  background: rgba(173, 124, 34, 0.14);
  color: var(--gold);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.segmented button {
  min-height: 32px;
  padding: 0 10px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.segmented button.active {
  background: var(--primary);
  color: #fff;
}

.learning-layout,
.quiz-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.learning-utilities {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 16px;
  margin-top: 16px;
}

.player {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d2525;
}

.player-media,
.player iframe,
.player video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  background: #0d2525;
}

.player video {
  object-fit: contain;
}

.player-media {
  position: relative;
  overflow: hidden;
}

.video-cover {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(13, 37, 37, 0.22), rgba(13, 37, 37, 0.74)),
    var(--cover-image, linear-gradient(135deg, #0d2525, #164747));
  background-position: center;
  background-size: cover;
  color: #fff;
  text-align: center;
  cursor: pointer;
}

.video-cover-content {
  display: grid;
  gap: 12px;
  justify-items: center;
  max-width: 560px;
}

.play-mark {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

.play-mark svg {
  width: 28px;
  height: 28px;
  margin-left: 3px;
  fill: currentColor;
}

.player-info {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
}

.player-title-line {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.player-info p {
  color: var(--muted);
}

.module-stack {
  display: grid;
  gap: 12px;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.timeline-dot {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 900;
}

.timeline-item.done .timeline-dot {
  background: var(--success-soft);
  color: var(--success);
}

.timeline-item.locked .timeline-dot {
  background: var(--surface-alt);
  color: var(--muted);
}

.timeline-item strong {
  display: block;
  font-family: var(--heading);
  font-size: 0.88rem;
}

.timeline-item span {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.module-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.module-title {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
  font-family: var(--heading);
  font-size: 0.9rem;
  font-weight: 800;
}

.lesson-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 10px;
  width: 100%;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.lesson-row:last-child {
  border-bottom: 0;
}

.lesson-row:hover,
.lesson-row.active {
  background: rgba(0, 96, 96, 0.06);
}

.lesson-row.locked {
  cursor: not-allowed;
  color: var(--muted);
  background: #fafafa;
}

.lesson-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: var(--heading);
  font-size: 0.76rem;
  font-weight: 800;
}

.lesson-name {
  min-width: 0;
}

.lesson-name strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-family: var(--heading);
  font-size: 0.88rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lesson-name span,
.pill-small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.pill-small {
  align-self: center;
  padding: 4px 7px;
  border-radius: 999px;
  background: var(--surface-alt);
  white-space: nowrap;
}

.locked-state,
.empty-state {
  padding: 18px;
  border-radius: 8px;
  font-weight: 800;
}

.locked-state {
  border: 1px dashed rgba(183, 121, 31, 0.45);
  background: var(--warning-soft);
  color: #7a4c0b;
}

.empty-state {
  border: 1px dashed var(--line);
  color: var(--muted);
  text-align: center;
}

.quiz-form {
  display: grid;
  gap: 14px;
}

.question-card {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
}

.question-card legend {
  margin-bottom: 6px;
  color: var(--ink);
  font-family: var(--heading);
  font-weight: 800;
}

.option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
}

.option input {
  accent-color: var(--primary);
}

.result-box {
  display: none;
  margin-top: 14px;
  padding: 14px;
  border-radius: 8px;
  font-weight: 800;
}

.result-box.show {
  display: block;
}

.result-box.success {
  border: 1px solid rgba(15, 122, 85, 0.25);
  background: var(--success-soft);
  color: var(--success);
}

.result-box.danger {
  border: 1px solid rgba(180, 35, 24, 0.2);
  background: var(--danger-soft);
  color: var(--danger);
}

.certificate-preview {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid rgba(0, 96, 96, 0.28);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f6f6 100%);
}

.certificate-preview.approved {
  border-color: rgba(15, 122, 85, 0.34);
  background:
    linear-gradient(135deg, rgba(15, 122, 85, 0.1), transparent),
    #fff;
}

.certificate-seal {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(7, 7px);
  grid-auto-rows: 7px;
  gap: 2px;
  padding: 6px;
  border: 1px solid var(--line);
  background: #fff;
}

.qr-grid span {
  border-radius: 1px;
  background: #e5eeee;
}

.qr-grid span.active {
  background: var(--primary-strong);
}

.signature-line {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.signature-line span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.certificate-preview .cert-label {
  color: var(--primary);
  font-family: var(--heading);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.certificate-preview h3 {
  font-size: 1.25rem;
}

.certificate-preview dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.certificate-preview dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.certificate-preview dd {
  color: var(--ink);
  font-weight: 800;
}

.program-list {
  display: grid;
  gap: 6px;
  margin-left: 18px;
  color: var(--muted);
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.report-row {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
}

.report-row strong {
  font-family: var(--heading);
  font-size: 0.92rem;
}

.report-row span {
  color: var(--muted);
  font-weight: 800;
}

.report-hero {
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(255, 255, 255, 0.92)),
    var(--surface);
}

.report-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.matrix-card,
.risk-item,
.certificate-row,
.audit-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
}

.matrix-card {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.matrix-card h3 {
  font-size: 0.98rem;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.stat-strip span {
  display: grid;
  gap: 2px;
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.stat-strip b {
  color: var(--ink);
  font-family: var(--heading);
  font-size: 1rem;
}

.risk-list,
.certificate-registry,
.audit-list {
  display: grid;
  gap: 10px;
}

.risk-item,
.certificate-row,
.audit-item {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.risk-item {
  border-color: rgba(183, 121, 31, 0.28);
  background: linear-gradient(135deg, var(--warning-soft), #fff);
}

.certificate-row {
  border-color: rgba(15, 122, 85, 0.26);
  background: linear-gradient(135deg, var(--success-soft), #fff);
}

.audit-item {
  grid-template-columns: 92px minmax(0, 1fr);
  align-items: start;
}

.audit-item time,
.certificate-code {
  color: var(--primary);
  font-family: var(--heading);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.report-output {
  min-height: 270px;
}

table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: var(--surface);
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--surface-alt);
  color: var(--muted);
  font-family: var(--heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

td {
  color: var(--ink);
  font-weight: 800;
}

tr:last-child td {
  border-bottom: 0;
}

.table-progress {
  display: grid;
  gap: 5px;
  min-width: 140px;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 20px;
}

.profile-hero {
  background:
    linear-gradient(135deg, rgba(109, 40, 217, 0.12), rgba(255, 255, 255, 0.92)),
    var(--surface);
}

.admin-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  background: #fbfdfd;
}

.utility-card,
.insight-card {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.mini-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.mini-list li,
.resource-item,
.validation-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfd;
  color: var(--muted);
  font-weight: 800;
}

.mini-list b,
.resource-item b,
.validation-item b {
  display: block;
  color: var(--ink);
  font-family: var(--heading);
  font-size: 0.88rem;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.resource-item {
  min-height: 76px;
}

.validation-item.warning {
  border-color: rgba(183, 121, 31, 0.26);
  background: var(--warning-soft);
}

.validation-item.success {
  border-color: rgba(15, 122, 85, 0.24);
  background: var(--success-soft);
}

.note-box {
  min-height: 150px;
}

.data-console {
  min-height: 190px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.86rem;
}

.grade-pill {
  display: inline-grid;
  place-items: center;
  min-width: 54px;
  height: 34px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: var(--heading);
  font-weight: 900;
}

.admin-card.full {
  grid-column: 1 / -1;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.check-card {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
}

.field {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--muted);
  font-family: var(--heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: 0;
  background: var(--surface);
  color: var(--ink);
}

.field textarea {
  min-height: 86px;
  resize: vertical;
}

.admin-list {
  display: grid;
  gap: 8px;
  max-height: 330px;
  overflow: auto;
  padding-right: 4px;
}

.admin-list.tall {
  max-height: 440px;
}

.admin-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.admin-item strong {
  display: block;
  font-family: var(--heading);
  font-size: 0.9rem;
}

.admin-item span {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  max-width: 340px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--primary-strong);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  font-weight: 800;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.print-certificate {
  display: none;
}

@media (max-width: 1160px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-panel {
    box-shadow: none;
  }

  .course-grid,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .learning-layout,
  .quiz-grid,
  .learning-utilities,
  .insight-grid,
  .report-grid,
  .report-columns,
  .profile-grid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-card.full {
    grid-column: auto;
  }
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.22s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main {
    padding: 18px;
  }

  .topbar {
    margin: -18px -18px 18px;
    padding: 12px 18px;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .search {
    width: 100%;
  }

  .user-chip .user-text {
    display: none;
  }

  .page-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .auth-visual,
  .auth-panel {
    padding: 22px;
  }

  .auth-visual h1 {
    font-size: 2rem;
  }

  .auth-highlights {
    grid-template-columns: 1fr;
  }

  .admin-login-card {
    grid-template-columns: 1fr;
  }

  .admin-login-card .btn {
    width: 100%;
  }

  .course-grid,
  .course-grid.compact,
  .metric-grid,
  .resource-grid,
  .matrix-grid,
  .stat-strip,
  .check-grid,
  .field-grid,
  .field-grid.three {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 16px;
  }

  .panel-head,
  .player-title-line {
    flex-direction: column;
    align-items: flex-start;
  }

  h1 {
    font-size: 1.7rem;
  }

  .certificate-preview dl {
    grid-template-columns: 1fr;
  }

  .lesson-row {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .lesson-row .pill-small {
    grid-column: 2;
    justify-self: start;
  }

  .audit-item {
    grid-template-columns: 1fr;
  }
}

@media print {
  body {
    background: #fff;
  }

  .app,
  .toast {
    display: none !important;
  }

  .print-certificate {
    display: block;
    padding: 44px;
    color: #143333;
    font-family: Arial, sans-serif;
  }

  .print-certificate .sheet {
    min-height: 720px;
    padding: 46px;
    border: 3px solid #006060;
  }

  .print-certificate h1 {
    margin: 20px 0;
    color: #006060;
    font-size: 32px;
  }

  .print-certificate p,
  .print-certificate li {
    font-size: 16px;
  }

  .print-certificate ul {
    margin: 18px 0 0 24px;
  }

  body.printing-report .app {
    display: block !important;
  }

  body.printing-report .topbar,
  body.printing-report .sidebar,
  body.printing-report .toast {
    display: none !important;
  }

  body.printing-report .main {
    padding: 0;
  }

  body.printing-report .panel,
  body.printing-report .hero-panel,
  body.printing-report .metric-card {
    box-shadow: none;
    break-inside: avoid;
  }
}