:root {
  --bg: #f6f8fc;
  --surface: #ffffff;
  --surface-alt: #0f172a;
  --text: #11203a;
  --muted: #5f6f89;
  --line: #d7dfeb;
  --brand: var(--brand-runtime, #1951ff);
  --brand-dark: #0d3b66;
  --accent: var(--accent-runtime, #ffd166);
  --success: #0f9d58;
  --danger: #d93025;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(17, 32, 58, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(25, 81, 255, 0.12), transparent 28%),
    radial-gradient(circle at right center, rgba(255, 209, 102, 0.18), transparent 24%),
    linear-gradient(180deg, #fffdf8 0%, #f6f8fc 100%);
}

.backoffice-body {
  background:
    radial-gradient(circle at top left, rgba(25, 81, 255, 0.16), transparent 24%),
    radial-gradient(circle at bottom right, rgba(255, 209, 102, 0.16), transparent 22%),
    linear-gradient(180deg, #f3f6fd 0%, #eef3fb 100%);
}

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

.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.backoffice-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 252px minmax(0, 1fr);
}

.backoffice-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px 16px;
  background: rgba(10, 24, 55, 0.96);
  color: white;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
}

.backoffice-brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.backoffice-brand strong,
.backoffice-brand span,
.backoffice-sidebar .ghost-link {
  color: white;
}

.backoffice-brand strong {
  font-size: 0.95rem;
}

.backoffice-brand div {
  display: grid;
  gap: 2px;
}

.backoffice-brand div span {
  color: rgba(255, 255, 255, 0.68);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.82rem;
}

.backoffice-nav {
  display: grid;
  gap: 6px;
  align-content: start;
}

.backoffice-nav-link {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 14px;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Segoe UI", sans-serif;
  font-weight: 600;
  font-size: 0.96rem;
  transition: background 180ms ease, transform 180ms ease, color 180ms ease;
}

.backoffice-nav-link:hover,
.backoffice-nav-link.active {
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.3), rgba(255, 209, 102, 0.18));
  color: white;
  transform: translateX(4px);
}

.backoffice-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
}

.backoffice-sidebar-footer {
  display: grid;
  gap: 0;
  margin-inline: -16px;
  margin-bottom: -20px;
}

.sidebar-user-card {
  display: grid;
  gap: 10px;
  padding: 14px 16px 16px;
  border-radius: 0;
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  color: white;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.sidebar-user-card:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.04));
}

.sidebar-user-main {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  color: white;
  text-decoration: none;
}

.sidebar-user-avatar img,
.sidebar-user-avatar span {
  width: 46px;
  height: 46px;
  border-radius: 999px;
}

.sidebar-user-avatar img {
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-user-avatar span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.45), rgba(255, 209, 102, 0.25));
  font-weight: 700;
}

.sidebar-user-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.sidebar-user-copy strong {
  font-size: 1rem;
  line-height: 1.15;
}

.sidebar-user-copy span,
.sidebar-user-copy small {
  color: rgba(255, 255, 255, 0.72);
}

.sidebar-user-copy span {
  font-size: 0.86rem;
  text-transform: capitalize;
}

.sidebar-user-copy small {
  font-size: 0.75rem;
  line-height: 1.2;
}

.sidebar-user-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.backoffice-sidebar-footer .ghost-link,
.backoffice-sidebar-footer button.ghost-link {
  width: 100%;
  justify-content: center;
  text-align: center;
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.14);
  min-height: 36px;
  padding: 7px 10px;
  font-size: 0.88rem;
  border-radius: 999px;
}

.sidebar-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 700;
}

.sidebar-action-button span[aria-hidden="true"] {
  opacity: 0.8;
  font-size: 0.9rem;
}

.backoffice-main {
  padding: 28px;
}

.backoffice-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}

.backoffice-header h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.backoffice-userbar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.backoffice-content {
  display: grid;
  gap: 20px;
}

.workspace-section {
  display: grid;
  gap: 18px;
}

.workspace-section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
}

.workspace-section-head h2 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

.workspace-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
}

.workspace-grid-wide {
  grid-template-columns: minmax(0, 1fr);
}

.workspace-panel {
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(17, 32, 58, 0.08);
  border-radius: 20px;
  padding: 20px 22px;
  box-shadow: none;
  backdrop-filter: blur(8px);
}

.workspace-section-head.compact {
  margin-bottom: 14px;
}

.stacked-row {
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 10px;
}

.stacked-row .workspace-row-actions {
  justify-content: space-between;
}

.stacked-row p {
  margin: 0;
}

.align-left {
  justify-content: flex-start;
}

.dashboard-card-list {
  display: grid;
  gap: 14px;
}

.dashboard-item {
  display: grid;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(17, 32, 58, 0.08);
}

.dashboard-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.dashboard-item-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
}

.dashboard-progress-row {
  display: grid;
  gap: 8px;
}

.dashboard-progress-row .progress-bar {
  width: 100%;
  margin-top: 0;
}

.dashboard-inline-meta {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.certificate-view {
  max-width: 840px;
}

.certificate-view-card {
  display: grid;
  gap: 14px;
  padding: 12px 4px;
}

.instructor-inline,
.instructor-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.instructor-inline img,
.instructor-badge img,
.person-chip img,
.profile-avatar-upload img {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(17, 32, 58, 0.1);
}

.avatar-fallback,
.person-chip span,
.profile-avatar-upload span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(25, 81, 255, 0.12);
  color: var(--brand);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
}

.person-chip {
  margin-bottom: 6px;
}

.profile-avatar-upload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar-upload.large img,
.profile-avatar-upload.large span {
  width: 76px;
  height: 76px;
  font-size: 1rem;
}

.profile-form {
  max-width: 560px;
}

.assignment-history-list {
  display: grid;
  gap: 10px;
}

.assignment-history-item {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.78);
}

.workspace-panel-form {
  position: static;
  top: auto;
  align-self: stretch;
}

.workspace-toolbar,
.workspace-toolbar-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.workspace-toolbar {
  justify-content: space-between;
}

.workspace-shortcuts {
  display: grid;
  gap: 14px;
}

.workspace-shortcut {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 248, 252, 0.92));
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.workspace-shortcut:hover {
  transform: translateY(-2px);
  border-color: rgba(25, 81, 255, 0.22);
  box-shadow: 0 14px 28px rgba(25, 81, 255, 0.08);
}

.workspace-shortcut span,
.workspace-table-row span,
.workspace-table-empty p,
.workspace-user-summary span,
.workspace-user-stats span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.workspace-table {
  display: grid;
  gap: 10px;
}

.workspace-table-head,
.workspace-table-row,
.workspace-table-card summary {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) minmax(160px, 1fr) minmax(120px, 0.7fr) minmax(120px, 0.7fr);
  gap: 16px;
  align-items: center;
}

.workspace-table-head {
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(17, 32, 58, 0.08);
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.workspace-table-row,
.workspace-table-card {
  padding: 14px 10px;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid rgba(17, 32, 58, 0.08);
  background: transparent;
}

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

.workspace-table-card summary {
  cursor: pointer;
  list-style: none;
}

.workspace-table-card summary::-webkit-details-marker {
  display: none;
}

.workspace-table-card-body {
  display: grid;
  gap: 18px;
  padding: 12px 0 6px;
}

.workspace-table-empty {
  padding: 22px;
  border-radius: 18px;
  border: 1px dashed rgba(17, 32, 58, 0.16);
  background: rgba(248, 250, 255, 0.72);
}

.workspace-inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) 140px 160px auto;
  gap: 10px;
  align-items: center;
}

.workspace-inline-form input,
.workspace-inline-form select {
  width: 100%;
}

.workspace-table-head-users,
.workspace-table-row-user {
  grid-template-columns: minmax(240px, 1.2fr) minmax(180px, 0.8fr) auto;
}

.workspace-table-head-categories,
.workspace-table-row-categories {
  grid-template-columns: minmax(260px, 1.2fr) minmax(180px, 0.9fr) minmax(160px, 0.8fr) auto;
}

.workspace-table-head-orders,
.workspace-table-row-orders {
  grid-template-columns: minmax(180px, 1fr) minmax(220px, 1.1fr) minmax(140px, 0.7fr) minmax(120px, 0.6fr) auto;
}

.workspace-user-summary,
.workspace-user-stats {
  display: grid;
  gap: 8px;
}

.resource-list,
.quiz-review-list {
  display: grid;
  gap: 12px;
}

.resource-row {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.9);
}

.quiz-review-question {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.88);
}

.workspace-row-title {
  display: grid;
  gap: 4px;
}

.workspace-row-title small {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.workspace-row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.media-folder-nav {
  overflow-x: auto;
}

.active-filter {
  background: rgba(25, 81, 255, 0.12);
  border-color: rgba(25, 81, 255, 0.22);
  color: var(--brand-dark);
}

.media-table-head,
.media-table-row {
  grid-template-columns: minmax(280px, 1.6fr) minmax(120px, 0.8fr) minmax(100px, 0.6fr) auto;
}

.media-row-title {
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
}

.media-inline-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.toolbar-button {
  padding-inline: 16px;
}

.workspace-modal {
  width: min(780px, calc(100vw - 48px));
  border: none;
  border-radius: 24px;
  padding: 0;
  background: #f8fafd;
  box-shadow: 0 30px 90px rgba(17, 32, 58, 0.28);
}

.workspace-modal::backdrop {
  background: rgba(10, 24, 55, 0.42);
  backdrop-filter: blur(6px);
}

.workspace-modal-shell {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.workspace-modal-head,
.workspace-modal-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.workspace-modal-head h3 {
  margin: 0;
  font-size: 1.5rem;
}

.workspace-modal-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.workspace-modal-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.78);
}

.payload-block {
  margin: 0;
  padding: 16px;
  border-radius: 16px;
  background: #0f172a;
  color: #f8fbff;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 360px;
  overflow: auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 20px 12px;
  max-width: 1200px;
  margin: 0 auto;
}

.brand {
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  gap: 12px;
  align-items: center;
}

.nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.brand-mark,
.user-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  color: white;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  font-size: 0.9rem;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 999px;
}

.user-pill {
  padding: 10px 14px;
  background: rgba(17, 32, 58, 0.05);
  color: var(--text);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.button-link,
button {
  border: none;
  background: var(--brand);
  color: white;
  border-radius: 999px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(25, 81, 255, 0.26);
}

.ghost-link {
  border: 1px solid var(--line);
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  box-shadow: none;
}

button.ghost-link,
button.ghost-link.compact-link {
  color: var(--text);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  box-shadow: none;
}

button.ghost-link:hover,
button.ghost-link:focus-visible,
.ghost-link:hover,
.ghost-link:focus-visible {
  background: rgba(25, 81, 255, 0.08);
  border-color: rgba(25, 81, 255, 0.22);
  outline: none;
}

/* ================================
   Shared cards + premium homepage
================================ */

.hero,
.hero-premium,
.section-heading,
.grid,
.card,
.auth-card,
.metric-card {
  animation: rise 450ms ease;
}

.card,
.auth-card,
.price-card,
.metric-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero-premium {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.85fr);
  gap: 44px;
  align-items: center;
  padding: 42px 0 38px;
  margin-bottom: 28px;
}

.hero-premium::before {
  content: "";
  position: absolute;
  inset: -80px -40px auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand) 18%, transparent), transparent 65%);
  pointer-events: none;
  z-index: -1;
}

.hero-premium .hero-copy {
  padding: 0;
}

.hero-premium h1 {
  max-width: 760px;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
  margin: 18px 0;
}

.hero-premium .hero-copy p {
  max-width: 620px;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(17, 32, 58, 0.72);
}

.hero-actions,
.stats-strip,
.course-meta-row,
.course-footer,
.course-actions,
.price-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 24px;
}

.stats-strip {
  margin-top: 28px;
}

.mini-stat {
  padding: 14px 16px;
  border-radius: 18px;
  min-width: 145px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(17, 32, 58, 0.08);
  box-shadow: 0 12px 34px rgba(17, 32, 58, 0.06);
}

.mini-stat strong,
.metric-card strong {
  display: block;
  font-size: 1.35rem;
  color: var(--text);
}

.mini-stat span,
.metric-card span,
.settings-stack span,
.info-panel span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
  min-height: 430px;
}

.dashboard-mockup {
  border-radius: 34px;
  background: linear-gradient(145deg, #ffffff, #f6f8fc);
  border: 1px solid rgba(17, 32, 58, 0.08);
  box-shadow: 0 35px 90px rgba(17, 32, 58, 0.14);
  overflow: hidden;
}

.mockup-topbar {
  display: flex;
  gap: 8px;
  padding: 18px 22px;
  background: var(--surface-alt);
}

.mockup-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
}

.mockup-content {
  display: grid;
  grid-template-columns: 96px 1fr;
  min-height: 320px;
}

.mockup-sidebar {
  padding: 24px 18px;
  background: #f1f4f9;
  border-right: 1px solid rgba(17, 32, 58, 0.06);
}

.mockup-sidebar div {
  height: 12px;
  border-radius: 999px;
  background: rgba(17, 32, 58, 0.12);
  margin-bottom: 18px;
}

.mockup-main {
  padding: 28px;
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.mockup-header small,
.floating-card span {
  display: block;
  color: rgba(17, 32, 58, 0.48);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.mockup-header strong {
  display: block;
  font-size: 1.15rem;
}

.mockup-header > span {
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: white;
  font-weight: 800;
}

.progress-line {
  height: 10px;
  border-radius: 999px;
  background: #e8edf5;
  overflow: hidden;
  margin-bottom: 24px;
}

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

.mockup-main .lesson-list {
  display: grid;
  gap: 12px;
}

.mockup-main .lesson-list div {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 18px;
  background: white;
  border: 1px solid rgba(17, 32, 58, 0.06);
}

.mockup-main .lesson-list span {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #f3f6fb;
  font-size: 0.8rem;
}

.mockup-main .lesson-list p {
  margin: 0;
  font-weight: 700;
  color: var(--text);
}

.mockup-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.mockup-cards div,
.floating-card {
  background: white;
  border: 1px solid rgba(17, 32, 58, 0.08);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(17, 32, 58, 0.08);
}

.mockup-cards strong,
.floating-card strong {
  display: block;
  font-size: 1.35rem;
}

.mockup-cards span {
  color: rgba(17, 32, 58, 0.55);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.floating-card {
  position: absolute;
}

.certificate-card {
  left: -24px;
  bottom: 48px;
}

.rating-card {
  right: -18px;
  top: 42px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin: 32px 0 24px;
}

.grid {
  display: grid;
  gap: 20px;
  margin-bottom: 20px;
}

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

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

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-card {
  min-height: 124px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.meta,
.eyebrow,
.stack-item span,
p {
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.78rem;
}

.settings-stack,
.stack-form {
  display: grid;
  gap: 14px;
}

.settings-stack strong {
  display: block;
}

.flash {
  padding: 16px 18px;
  border-radius: 16px;
  margin-bottom: 20px;
}

.flash.success {
  background: rgba(15, 157, 88, 0.12);
  color: var(--success);
}

.flash.error {
  background: rgba(217, 48, 37, 0.1);
  color: var(--danger);
}

.auth-card {
  max-width: 480px;
  margin: 48px auto;
}

label,
input,
.stack-item,
.inline-form {
  display: block;
}

label {
  margin-bottom: 16px;
  font-weight: 600;
}

.input-action-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-top: 8px;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  font: inherit;
  background: white;
}

.stack-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.stack-item:last-child {
  border-bottom: 0;
}

.clean-list {
  padding-left: 18px;
}

.search-form {
  display: flex;
  gap: 12px;
  align-items: center;
}

.course-card {
  display: flex;
  flex-direction: column;
}

.premium-course-card {
  overflow: hidden;
  padding: 0;
}

.course-thumb {
  height: 150px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--brand) 35%, transparent), transparent 36%),
    linear-gradient(135deg, var(--surface-alt), #142a55);
}

.course-thumb span {
  width: 74px;
  height: 74px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  font-size: 1.5rem;
  font-weight: 900;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.course-body {
  padding: 22px;
}

.builder-panel,
.module-shell {
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.admin-course-row,
.module-head,
.lesson-editor-head,
.form-actions-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.compact-link {
  padding: 10px 14px;
  white-space: nowrap;
}

.builder-stack,
.lesson-list,
.learning-layout {
  display: grid;
  gap: 20px;
}

.builder-tab-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.builder-tab-button {
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  border: 1px solid rgba(17, 32, 58, 0.08);
  box-shadow: none;
}

.builder-tab-button.is-active {
  background: var(--brand);
  color: white;
  border-color: transparent;
  box-shadow: 0 12px 30px rgba(25, 81, 255, 0.18);
}

.builder-tab-panel {
  display: none;
}

.builder-tab-panel.is-active {
  display: grid;
  gap: 20px;
}

.compact-lesson-list {
  gap: 12px;
}

.learning-layout {
  grid-template-columns: 360px minmax(0, 1fr);
  align-items: start;
}

.learning-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 420px);
  gap: 24px;
  margin-bottom: 26px;
  align-items: stretch;
}

.learning-hero-copy,
.learning-hero-focus {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow);
  animation: rise 480ms ease;
}

.learning-hero-copy::before,
.learning-hero-focus::before,
.learning-content-rich::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.08), transparent 42%, rgba(255, 209, 102, 0.12));
}

.learning-hero-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.learning-hero-focus {
  display: grid;
  gap: 10px;
  align-content: start;
}

.learning-hero-focus strong {
  font-size: 1.35rem;
}

.learning-hero-progress {
  margin: 6px 0 0;
}

.learning-layout-elevated {
  align-items: start;
}

.learning-sidebar,
.learning-content {
  position: relative;
}

.module-nav {
  display: grid;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.module-nav:last-child {
  border-bottom: 0;
}

.lesson-nav-item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(17, 32, 58, 0.03);
}

.lesson-nav-item.active {
  background: rgba(25, 81, 255, 0.1);
  border: 1px solid rgba(25, 81, 255, 0.18);
}

.learning-sidebar-rich,
.learning-content-rich {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.learning-content-rich {
  overflow: hidden;
}

.learning-sidebar-head,
.module-nav-head,
.content-panel-head,
.lesson-banner,
.lesson-banner-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.learning-sidebar-head {
  margin-bottom: 12px;
}

.module-nav-rich {
  gap: 12px;
  padding: 16px 0;
}

.module-nav-head {
  align-items: end;
}

.lesson-nav-item-rich {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.lesson-nav-item-rich:hover {
  transform: translateX(4px);
  box-shadow: 0 12px 28px rgba(17, 32, 58, 0.08);
}

.lesson-status-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(17, 32, 58, 0.12);
  box-shadow: inset 0 0 0 2px rgba(17, 32, 58, 0.06);
}

.lesson-status-dot.done {
  background: linear-gradient(135deg, var(--success), #72d79a);
  box-shadow: 0 0 0 6px rgba(15, 157, 88, 0.12);
}

.lesson-nav-item small,
.learning-meta span,
.completion-card p {
  color: var(--muted);
}

.learning-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.lesson-banner {
  margin-bottom: 18px;
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.08), rgba(255, 255, 255, 0.7));
  border: 1px solid rgba(25, 81, 255, 0.14);
}

.lesson-banner-copy {
  display: grid;
  gap: 8px;
}

.lesson-banner-copy p {
  margin: 0;
}

.lesson-banner-meta {
  font-family: "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 0.92rem;
}

.content-panel,
.completion-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.02);
  margin-bottom: 18px;
}

.content-panel {
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.content-panel:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(17, 32, 58, 0.08);
  border-color: rgba(25, 81, 255, 0.18);
}

.content-panel-head {
  margin-bottom: 14px;
}

.lesson-content-panel p,
.assignment-panel p,
.quiz-panel-rich p {
  line-height: 1.7;
}

.learning-info-grid {
  margin-top: 12px;
}

.info-tile {
  padding: 16px;
  border-radius: 18px;
  background: white;
  border: 1px solid var(--line);
}

.info-tile small {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.learning-summary {
  min-width: 280px;
}

.learning-toolbar,
.learning-nav-actions,
.review-chip {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.learning-toolbar {
  justify-content: space-between;
  margin-bottom: 10px;
}

.learning-toolbar-rich {
  margin-bottom: 18px;
}

.video-frame {
  position: relative;
  padding-top: 56.25%;
  border-radius: 18px;
  overflow: hidden;
  margin-top: 12px;
  background: #0f172a;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-panel-rich .video-frame {
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.video-fallback-card {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.82));
  color: white;
}

.video-fallback-card p {
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.video-help-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 14px;
}

.module-card {
  display: grid;
  gap: 20px;
}

.drag-handle {
  display: inline-block;
  margin-right: 8px;
  color: var(--muted);
  cursor: grab;
  font-family: "Segoe UI", sans-serif;
}

.inline-edit-form {
  align-items: end;
}

.lesson-builder {
  padding: 20px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.02);
}

.lesson-editor {
  padding: 0;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: white;
}

.lesson-summary {
  list-style: none;
  padding: 18px;
  cursor: pointer;
}

.lesson-summary::-webkit-details-marker {
  display: none;
}

.lesson-editor[open] .lesson-summary {
  border-bottom: 1px solid var(--line);
}

.lesson-editor-body {
  padding: 18px;
}

.lesson-row-actions,
.module-toolbar,
.builder-badges,
.builder-modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.lesson-row-actions,
.module-toolbar {
  justify-content: space-between;
  margin-bottom: 16px;
}

.builder-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(17, 32, 58, 0.06);
  color: var(--text);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.builder-badge.accent {
  background: rgba(25, 81, 255, 0.1);
  color: var(--brand);
}

.lesson-type-note {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(25, 81, 255, 0.08);
  border: 1px solid rgba(25, 81, 255, 0.14);
  color: var(--text);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.93rem;
}

.is-hidden {
  display: none !important;
}

.type-specific-panel {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.02);
}

.type-specific-panel h4,
.quiz-question-head strong {
  margin: 0 0 12px;
}

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

.quiz-question-card {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: white;
  overflow: hidden;
}

.quiz-question-head,
.quiz-option-row {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.quiz-options {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

.quiz-option-row {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(17, 32, 58, 0.02);
  grid-template-columns: minmax(220px, 1fr) auto auto;
}

.quiz-option-row input[type="text"] {
  flex: 1 1 240px;
  min-width: 220px;
}

.quiz-question-card .grid.three {
  align-items: end;
}

.quiz-question-card textarea {
  min-height: 110px;
  resize: vertical;
}

.lesson-editor-body {
  overflow-x: hidden;
}

.quiz-attempt-form {
  display: grid;
  gap: 18px;
}

.quiz-answer-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: white;
  animation: cardFloat 320ms ease;
}

.quiz-answer-grid {
  display: grid;
  gap: 12px;
}

.quiz-choice {
  display: flex;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.03);
  margin-bottom: 10px;
  font-weight: 500;
}

.quiz-choice input {
  width: auto;
  margin: 2px 0 0;
}

.quiz-choice span {
  color: var(--text);
}

.quiz-choice:hover {
  transform: translateX(4px);
  border-color: rgba(25, 81, 255, 0.22);
  background: rgba(25, 81, 255, 0.06);
  box-shadow: 0 14px 28px rgba(17, 32, 58, 0.06);
}

.quiz-result-card {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(25, 81, 255, 0.14);
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.06), rgba(255, 209, 102, 0.12));
}

.quiz-result-card h4,
.quiz-answer-card h4 {
  margin: 0 0 10px;
}

.quiz-result-card p,
.quiz-answer-card p {
  margin-top: 0;
}

.quiz-submit-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 6px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  font-family: "Segoe UI", sans-serif;
  font-size: 0.9rem;
  background: rgba(17, 32, 58, 0.06);
  color: var(--text);
}

.status-pill.success {
  background: rgba(15, 157, 88, 0.12);
  color: var(--success);
}

.status-pill.warning {
  background: rgba(255, 209, 102, 0.26);
  color: #7a5400;
}

.status-pill.danger {
  background: rgba(217, 48, 37, 0.12);
  color: var(--danger);
}

.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.checkbox-inline input {
  width: auto;
  margin-top: 0;
}

.accordion-indicator {
  color: var(--brand);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.88rem;
}

.empty-inline-state {
  padding: 18px;
  border-radius: 18px;
  background: rgba(17, 32, 58, 0.03);
  border: 1px dashed var(--line);
}

.builder-modal {
  width: min(920px, calc(100vw - 40px));
  border: none;
  border-radius: 24px;
  padding: 0;
  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.22);
}

.builder-modal::backdrop {
  background: rgba(15, 23, 42, 0.46);
  backdrop-filter: blur(4px);
}

.builder-modal-shell {
  padding: 28px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
}

.builder-modal-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
  margin-bottom: 22px;
}

.builder-modal-actions {
  justify-content: end;
  margin-top: 4px;
}

.module-card.dragging,
.lesson-editor.dragging {
  opacity: 0.45;
}

.danger-button {
  background: var(--danger);
  box-shadow: none;
}

.course-footer {
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.course-actions,
.price-actions {
  margin-top: 8px;
}

.empty-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(17, 32, 58, 0.08);
  overflow: hidden;
  margin-top: 8px;
}

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

.lesson-pill {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-top: 10px;
  font-family: "Segoe UI", sans-serif;
}

.lesson-pill small {
  color: var(--muted);
}

.info-panel {
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.24), rgba(25, 81, 255, 0.08));
}

.inline-form {
  margin: 0;
}

.admin-layout {
  align-items: start;
}

.backoffice-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.backoffice-action-grid,
.backoffice-course-list,
.backoffice-user-list {
  display: grid;
  gap: 14px;
}

.backoffice-course-grid,
.backoffice-review-grid {
  display: grid;
  gap: 16px;
}

.backoffice-action-card,
.backoffice-course-row,
.backoffice-user-row {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.03);
}

.backoffice-action-card {
  display: grid;
  gap: 8px;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.backoffice-action-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(17, 32, 58, 0.08);
  border-color: rgba(25, 81, 255, 0.22);
}

.backoffice-course-row,
.backoffice-user-row {
  display: grid;
  gap: 14px;
}

.backoffice-form-card {
  position: sticky;
  top: 24px;
}

.backoffice-course-card,
.backoffice-review-card {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.03);
  display: grid;
  gap: 14px;
}

.backoffice-course-card.is-archived {
  opacity: 0.82;
  background: rgba(17, 32, 58, 0.04);
}

.backoffice-course-card-body {
  display: grid;
  gap: 14px;
}

.backoffice-course-visual {
  display: flex;
}

.backoffice-course-thumb,
.course-settings-thumb {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.18), rgba(255, 209, 102, 0.2));
}

.backoffice-course-thumb.placeholder,
.course-settings-thumb.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-dark);
  font-size: 2rem;
  font-weight: 800;
}

.backoffice-course-card-head,
.backoffice-user-head,
.backoffice-review-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.backoffice-course-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.backoffice-course-actions {
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.backoffice-course-actions.stacked,
.course-settings-facts {
  display: grid;
  gap: 12px;
}

.backoffice-course-meta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.backoffice-user-head strong,
.backoffice-course-card strong,
.backoffice-review-card strong {
  font-size: 1.1rem;
}

.backoffice-review-meta span,
.backoffice-course-card p,
.backoffice-user-meta span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.backoffice-course-row span,
.backoffice-user-row span,
.backoffice-action-card span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.backoffice-user-meta {
  display: grid;
  gap: 8px;
}

.course-settings-preview,
.course-settings-hero {
  display: grid;
  gap: 16px;
}

.course-settings-hero {
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  align-items: start;
}

.course-settings-facts {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.course-settings-facts span {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(17, 32, 58, 0.04);
  border: 1px solid rgba(17, 32, 58, 0.08);
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.media-library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.media-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.03);
}

.media-card-preview {
  min-height: 150px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.12), rgba(255, 209, 102, 0.16));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: "Segoe UI", sans-serif;
  font-weight: 700;
}

.media-card-image {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
  border-radius: 18px;
}

.media-card-body {
  display: grid;
  gap: 10px;
}

.backoffice-user-form {
  margin-bottom: 0;
}

.settings-accordion-stack {
  display: grid;
  gap: 18px;
}

.settings-tab-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.settings-tab {
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(17, 32, 58, 0.06);
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-weight: 600;
}

.settings-tab.active {
  background: rgba(25, 81, 255, 0.1);
  color: var(--brand);
}

.settings-accordion {
  border: 1px solid rgba(17, 32, 58, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.settings-accordion summary {
  cursor: pointer;
  list-style: none;
  padding: 24px 28px;
  font-size: 1.05rem;
  font-weight: 800;
}

.settings-accordion summary::-webkit-details-marker {
  display: none;
}

.settings-accordion-body {
  padding: 0 28px 28px;
}

.settings-preview-card,
.provider-card,
.settings-provider-note {
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(17, 32, 58, 0.03);
}

.settings-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.settings-overview-card {
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  display: grid;
  gap: 8px;
}

.settings-overview-card strong {
  font-size: 1.15rem;
}

.settings-overview-card p {
  margin: 0;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.settings-help-box {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(25, 81, 255, 0.14);
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.06), rgba(255, 209, 102, 0.08));
  display: grid;
  gap: 8px;
}

.settings-help-box.compact {
  margin-bottom: 12px;
}

.settings-help-box p {
  margin: 0;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.field-hint {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
  font-size: 0.83rem;
  line-height: 1.45;
}

.course-ux-banner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 18px;
  border-radius: 20px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: linear-gradient(135deg, rgba(25, 81, 255, 0.06), rgba(255, 209, 102, 0.08));
}

.course-ux-banner p,
.publish-status-panel p,
.builder-media-guide p,
.builder-tip-list span {
  margin: 0;
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.publish-status-panel {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(17, 32, 58, 0.03);
}

.publish-status-panel.compact {
  margin-top: 4px;
}

.publish-status-panel strong {
  display: block;
  margin-bottom: 4px;
}

.builder-tip-list {
  display: grid;
  gap: 6px;
}

.builder-media-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.guide-card {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(17, 32, 58, 0.03);
  display: grid;
  gap: 8px;
}

.settings-brand-preview {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--preview-brand) 14%, white), color-mix(in srgb, var(--preview-accent) 18%, white));
}

.settings-preview-logo {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 18px;
}

.settings-brand-preview div {
  display: grid;
  gap: 4px;
}

.settings-brand-preview span,
.settings-provider-note span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.color-input-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  align-items: center;
}

.color-input-row input[type="color"] {
  padding: 0;
  height: 52px;
  border-radius: 14px;
  overflow: hidden;
}

.payment-provider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.provider-card {
  display: grid;
  gap: 12px;
}

.provider-card h3 {
  margin: 0;
}

.settings-submit-row {
  display: flex;
  justify-content: flex-end;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFloat {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 900px) {
  .backoffice-shell,
  .grid.two,
  .grid.three,
  .grid.four,
  .section-heading,
  .learning-hero,
  .learning-layout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar,
  .nav,
  .search-form,
  .hero-actions,
  .stats-strip,
  .course-meta-row,
  .course-footer,
  .course-actions,
  .price-actions,
  .backoffice-header,
  .backoffice-userbar,
  .admin-course-row,
  .module-head,
  .lesson-editor-head,
  .form-actions-row,
  .panel-head,
  .learning-toolbar,
  .learning-nav-actions,
  .review-chip,
  .lesson-row-actions,
  .module-toolbar,
  .builder-modal-head,
  .builder-modal-actions,
  .learning-sidebar-head,
  .module-nav-head,
  .content-panel-head,
  .lesson-banner,
  .lesson-banner-meta {
    flex-direction: column;
  }

  .payment-provider-grid,
  .color-input-row,
  .settings-overview-grid,
  .builder-media-guide {
    grid-template-columns: 1fr;
  }

  .course-settings-hero {
    grid-template-columns: 1fr;
  }

  .workspace-section-head,
  .workspace-toolbar,
  .workspace-toolbar-group,
  .workspace-table-head,
  .workspace-table-row,
  .workspace-table-card summary,
  .workspace-inline-form,
  .workspace-table-head-users,
  .workspace-table-row-user,
  .workspace-modal-head,
  .workspace-modal-actions {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .workspace-grid-wide {
    grid-template-columns: 1fr;
  }

  .workspace-modal-grid {
    grid-template-columns: 1fr;
  }

  .backoffice-course-card-head,
  .backoffice-user-head,
  .backoffice-review-meta,
  .backoffice-course-actions,
  .backoffice-course-stats,
  .course-ux-banner,
  .publish-status-panel {
    flex-direction: column;
  }

  .backoffice-sidebar {
    position: static;
    height: auto;
  }

  .backoffice-main {
    padding: 20px;
  }

  .hero-premium {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }

  .hero-visual {
    min-height: auto;
  }

  .floating-card {
    display: none;
  }

  .mockup-content {
    grid-template-columns: 72px 1fr;
  }

  .hero-premium h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

}

/* ================================
   Storefront
================================ */

.storefront-shell,
.checkout-shell {
  display: grid;
  gap: 36px;
}

.store-hero,
.catalog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 44px;
  align-items: center;
  padding: 28px 0 10px;
}

.store-hero-copy h1,
.catalog-hero-copy h1,
.checkout-hero h1 {
  margin: 10px 0 16px;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
}

.catalog-hero-copy h1,
.checkout-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
}

.store-hero-copy p,
.catalog-hero-copy p,
.checkout-hero p {
  max-width: 760px;
  font-size: 1.04rem;
  line-height: 1.7;
}

.store-hero-actions,
.store-course-meta,
.store-course-footer,
.catalog-course-meta,
.catalog-course-footer,
.catalog-course-actions,
.catalog-filter-pills,
.checkout-hero,
.checkout-line {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.store-hero-actions {
  margin: 24px 0 0;
}

.store-stat-grid,
.catalog-stat-strip {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 26px;
}

.store-stat,
.catalog-stat {
  display: grid;
  gap: 10px;
  padding: 18px 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(10px);
}

.store-stat span,
.catalog-stat span,
.store-course-meta span,
.catalog-course-meta span,
.checkout-provider-note,
.checkout-meta-note span {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.store-stat strong,
.catalog-stat strong {
  font-size: 1.6rem;
}

.store-hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: end center;
}

.store-hero-visual img {
  width: min(100%, 760px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 34px 80px rgba(17, 32, 58, 0.16));
}

.store-orbit-card {
  position: absolute;
  display: grid;
  gap: 10px;
  max-width: 240px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(12px);
  animation: rise 420ms ease;
}

.store-orbit-card.top {
  top: 40px;
  left: 0;
}

.store-orbit-card.bottom {
  right: 10px;
  bottom: 72px;
}

.store-section-head,
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
}

.store-section-head h2,
.catalog-toolbar h2 {
  margin: 8px 0;
  font-size: 2.2rem;
}

.store-course-grid,
.catalog-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.store-course-card,
.catalog-course-card,
.store-empty-state,
.catalog-empty-state,
.checkout-summary,
.checkout-payment-panel {
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.store-course-card,
.catalog-course-card {
  overflow: hidden;
  border-radius: 26px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.store-course-card:hover,
.catalog-course-card:hover {
  transform: translateY(-4px);
  border-color: rgba(25, 81, 255, 0.2);
  box-shadow: 0 24px 56px rgba(17, 32, 58, 0.08);
}

.store-course-cover,
.catalog-course-cover {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top left, rgba(25, 81, 255, 0.24), transparent 35%),
    linear-gradient(135deg, #102347, #1a3b78 70%, #f0b941 140%);
}

.store-course-cover img,
.catalog-course-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.store-course-cover span,
.catalog-course-cover span {
  width: 82px;
  height: 82px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: white;
  font-size: 1.7rem;
  font-weight: 800;
}

.store-course-body,
.catalog-course-body {
  display: grid;
  gap: 16px;
  padding: 24px;
}

.store-course-body h3,
.catalog-course-body h3 {
  margin: 0;
  font-size: 1.45rem;
}

.store-course-topline,
.catalog-course-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.store-rating {
  color: #7a5400;
  font-family: "Segoe UI", sans-serif;
  font-weight: 700;
}

.store-course-meta,
.catalog-course-meta {
  gap: 10px 16px;
  font-size: 0.93rem;
}

.store-course-footer,
.catalog-course-footer {
  justify-content: space-between;
  margin-top: auto;
}

.store-course-footer strong,
.catalog-course-footer strong {
  font-size: 1.15rem;
}

.store-empty-state,
.catalog-empty-state {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
  padding: 28px;
  border-radius: 26px;
  border-style: dashed;
}

.catalog-searchbar {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) 240px auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(17, 32, 58, 0.08);
  backdrop-filter: blur(10px);
}

.catalog-toolbar {
  margin-top: 8px;
}

.catalog-course-actions {
  justify-content: flex-end;
}

.checkout-hero {
  justify-content: space-between;
  align-items: end;
}

.checkout-layout {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.15fr) 420px;
  align-items: start;
}

.checkout-summary,
.checkout-payment-panel {
  display: grid;
  gap: 22px;
  padding: 28px;
  border-radius: 28px;
}

.checkout-course-head {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.checkout-course-cover {
  aspect-ratio: 16 / 10;
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(25, 81, 255, 0.24), transparent 35%),
    linear-gradient(135deg, #102347, #1a3b78 70%, #f0b941 140%);
  display: grid;
  place-items: center;
}

.checkout-course-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.checkout-course-cover span {
  color: white;
  font-size: 2rem;
  font-weight: 800;
}

.checkout-course-head h2,
.checkout-payment-head h2 {
  margin: 10px 0 8px;
}

.checkout-summary-grid,
.checkout-price-box,
.checkout-trust {
  display: grid;
  gap: 12px;
}

.checkout-line {
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(17, 32, 58, 0.08);
}

.checkout-line.total {
  padding-top: 18px;
}

.checkout-line.total strong {
  font-size: 1.24rem;
}

.checkout-price-box {
  padding: 20px;
  border-radius: 20px;
  background: rgba(17, 32, 58, 0.03);
}

.checkout-provider-note,
.checkout-meta-note {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(25, 81, 255, 0.07);
  border: 1px solid rgba(25, 81, 255, 0.12);
}

.course-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) 360px;
  gap: 26px;
  align-items: start;
}

.course-detail-copy,
.course-detail-sidebar,
.course-outline,
.course-benefits-panel {
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.course-detail-copy,
.course-detail-sidebar {
  padding: 28px;
  border-radius: 28px;
}

.course-detail-copy h1 {
  margin: 12px 0 14px;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.course-detail-copy p {
  max-width: 780px;
  font-size: 1.03rem;
  line-height: 1.7;
}

.course-detail-facts {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.course-detail-facts article {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.72);
}

.course-detail-facts span,
.course-detail-price p,
.course-detail-note span,
.course-outline-module-head small,
.course-outline-lesson small,
.course-outline-lesson span,
.course-benefits-panel p {
  color: var(--muted);
  font-family: "Segoe UI", sans-serif;
}

.course-detail-facts strong,
.course-detail-price strong {
  font-size: 1.22rem;
}

.course-detail-sidebar {
  display: grid;
  gap: 18px;
}

.course-detail-price {
  display: grid;
  gap: 10px;
}

.course-detail-price strong {
  font-size: 2rem;
}

.course-detail-note {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(25, 81, 255, 0.06);
  border: 1px solid rgba(25, 81, 255, 0.12);
}

.course-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) 340px;
  gap: 26px;
  align-items: start;
}

.course-outline {
  border-radius: 28px;
  padding: 28px;
}

.course-outline-list,
.course-detail-sidepanels {
  display: grid;
  gap: 18px;
}

.course-outline-module {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.78);
}

.course-outline-module-head,
.course-outline-lesson {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.course-outline-module-head {
  align-items: start;
}

.course-outline-lessons {
  display: grid;
  gap: 10px;
}

.course-outline-lesson {
  padding: 14px 16px;
  border-radius: 16px;
  background: white;
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.course-benefits-panel {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 24px;
}

@media (max-width: 1100px) {
  .store-course-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .course-detail-hero,
  .course-detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .store-hero,
  .catalog-hero,
  .checkout-hero,
  .checkout-course-head {
    grid-template-columns: 1fr;
  }

  .store-stat-grid,
  .catalog-stat-strip,
  .store-course-grid,
  .catalog-grid,
  .catalog-searchbar,
  .course-detail-facts {
    grid-template-columns: 1fr;
  }

  .store-section-head,
  .catalog-toolbar,
  .store-course-topline,
  .store-course-footer,
  .catalog-course-footer,
  .catalog-course-actions,
  .checkout-line,
  .course-outline-module-head,
  .course-outline-lesson {
    flex-direction: column;
    align-items: start;
  }

  .store-hero-visual {
    min-height: 360px;
  }

  .store-hero-visual img {
    width: 100%;
  }

  .store-orbit-card {
    position: static;
    margin-bottom: 12px;
  }
}

/* ================================
   Modern storefront + learner UI
================================ */

body {
  font-family: "Inter", "Segoe UI", sans-serif;
}

h1,
h2,
h3,
h4,
.brand-text {
  font-family: Georgia, "Times New Roman", serif;
}

.shell {
  max-width: 1280px;
  padding: 112px 24px 72px;
}

.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(17, 32, 58, 0.08);
}

.topbar .brand,
.topbar .nav {
  margin-inline: 0;
}

.topbar .brand {
  gap: 14px;
}

.topbar .brand-text {
  font-size: 1.35rem;
  font-weight: 700;
}

.nav-storefront {
  gap: 10px;
}

.nav-storefront .nav-link,
.nav-storefront .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.nav-storefront .nav-link {
  color: var(--muted);
  border: 1px solid transparent;
}

.nav-storefront .nav-link:hover {
  background: rgba(25, 81, 255, 0.08);
  color: var(--brand-dark);
}

.nav-storefront .nav-cta {
  box-shadow: 0 12px 30px rgba(25, 81, 255, 0.22);
}

.storefront-theme,
.learner-page {
  display: grid;
  gap: 36px;
}

.hero-badge,
.section-label,
.hero-float-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: #0c85a1;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.storefront-hero {
  align-items: center;
  padding-top: 8px;
}

.storefront-hero .hero-copy p,
.catalog-hero-rich p,
.learner-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.storefront-visual {
  min-height: 520px;
}

.storefront-mockup {
  overflow: hidden;
}

.storefront-float-card {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 8px;
  max-width: 250px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(17, 32, 58, 0.08);
  box-shadow: 0 24px 60px rgba(17, 32, 58, 0.1);
  backdrop-filter: blur(14px);
}

.storefront-float-top {
  top: 28px;
  left: -10px;
}

.storefront-float-bottom {
  right: -4px;
  bottom: 44px;
}

.hero-stat-card {
  display: grid;
  gap: 8px;
  min-width: 180px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.hero-stat-card strong {
  font-size: 1.9rem;
}

.hero-stat-card span,
.store-rating-row small,
.course-price-stack small,
.catalog-price-stack small,
.learner-feed-item small,
.learner-course-head small,
.learner-hero-card small,
.learner-empty p {
  color: var(--muted);
}

.storefront-heading {
  margin: 0;
}

.storefront-heading p {
  margin: 0;
  color: var(--muted);
}

.storefront-course-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 12px;
}

.storefront-course-card .course-body,
.catalog-course-card .catalog-course-body {
  padding: 22px 22px 24px;
}

.storefront-course-image,
.catalog-course-cover {
  position: relative;
  min-height: 220px;
}

.storefront-course-image img,
.catalog-course-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-image-placeholder {
  width: 84px;
  height: 84px;
  border-radius: 26px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: white;
  font-size: 1.8rem;
  font-weight: 800;
}

.storefront-course-card p,
.catalog-course-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.store-rating-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  font-size: 0.94rem;
}

.storefront-course-card .course-footer,
.catalog-course-footer {
  align-items: flex-end;
  margin-top: 4px;
}

.instructor-avatar-image {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.course-price-stack,
.catalog-price-stack {
  display: grid;
  justify-items: end;
  gap: 6px;
}

.storefront-empty-state,
.learner-empty {
  padding: 28px;
  border-radius: 26px;
  border: 1px dashed rgba(17, 32, 58, 0.16);
  background: rgba(255, 255, 255, 0.64);
}

.features-section {
  display: grid;
  gap: 24px;
}

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

.feature-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(17, 32, 58, 0.08);
}

.feature-icon {
  font-weight: 800;
  color: var(--brand);
}

.catalog-page {
  gap: 28px;
}

.catalog-hero-rich {
  align-items: end;
  padding-top: 10px;
}

.catalog-searchbar-rich {
  align-self: stretch;
}

.catalog-input-group {
  min-width: 0;
}

.catalog-input-group input,
.catalog-input-group select {
  width: 100%;
}

.catalog-toolbar-rich p {
  margin: 0;
  color: var(--muted);
}

.catalog-grid-rich {
  align-items: start;
}

.catalog-course-actions {
  align-items: center;
}

.learner-page {
  gap: 28px;
}

.learner-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 340px;
  gap: 24px;
  align-items: end;
}

.learner-hero-copy h1 {
  margin: 12px 0 14px;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.learner-hero-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  border-radius: 26px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
}

.learner-hero-card strong {
  font-size: 1.5rem;
}

.learner-stat-grid {
  margin-top: 0;
}

.learner-grid {
  display: grid;
  gap: 24px;
}

.learner-grid-primary {
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
}

.learner-grid-secondary,
.learner-learning-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.learner-learning-grid {
  grid-template-columns: 320px minmax(0, 1fr);
}

.learner-panel {
  display: grid;
  gap: 20px;
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(12px);
}

.learner-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.learner-panel-head h2 {
  margin: 8px 0 0;
  font-size: 2rem;
}

.learner-course-list,
.learner-feed-list {
  display: grid;
  gap: 16px;
}

.learner-course-card,
.learner-feed-item {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.72);
}

.learner-course-card {
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
}

.learner-course-cover {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 20px;
  background:
    radial-gradient(circle at top left, rgba(25, 81, 255, 0.24), transparent 35%),
    linear-gradient(135deg, #102347, #1a3b78 70%, #f0b941 140%);
  display: grid;
  place-items: center;
}

.learner-course-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.learner-course-cover span {
  color: white;
  font-size: 1.45rem;
  font-weight: 800;
}

.learner-course-body,
.learner-progress-row {
  display: grid;
  gap: 12px;
}

.learner-course-head,
.learner-feed-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.learner-feed-item p {
  margin: 0;
  line-height: 1.7;
}

.learner-sidebar-panel {
  align-content: start;
}

.learner-content-panel > .content-panel:first-child {
  margin-top: 0;
}

.learner-learning-page .content-panel,
.learner-learning-page .lesson-banner,
.learner-learning-page .quiz-answer-card,
.learner-learning-page .quiz-result-card {
  border-radius: 22px;
  border: 1px solid rgba(17, 32, 58, 0.08);
  background: rgba(248, 250, 255, 0.76);
}

.learner-learning-page .content-panel {
  padding: 20px;
}

.learner-learning-page .video-frame {
  overflow: hidden;
  border-radius: 20px;
}

.learner-learning-page .lesson-banner {
  padding: 18px 20px;
}

.learner-learning-page .lesson-nav-item-rich {
  border-radius: 18px;
  background: rgba(248, 250, 255, 0.86);
}

.learner-learning-page .lesson-nav-item-rich.active {
  border-color: rgba(25, 81, 255, 0.18);
  background: rgba(25, 81, 255, 0.08);
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, color-mix(in srgb, var(--brand) 78%, #081b3e) 100%);
  color: white;
  box-shadow: 0 16px 36px rgba(25, 81, 255, 0.22);
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-2px);
}

.btn-secondary {
  border: 1px solid rgba(17, 32, 58, 0.12);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
}

.compact-link {
  min-height: 40px;
  padding: 10px 16px;
  font-size: 0.9rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .hero-premium,
  .catalog-hero-rich,
  .learner-hero,
  .learner-grid-primary,
  .learner-learning-grid,
  .storefront-features-grid {
    grid-template-columns: 1fr;
  }

  .storefront-float-card {
    position: static;
  }

  .storefront-visual {
    min-height: auto;
    display: grid;
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .shell {
    padding: 96px 18px 48px;
  }

  .topbar {
    padding: 12px 16px;
  }

  .topbar .brand-text {
    font-size: 1.08rem;
  }

  .nav-storefront {
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-storefront .nav-link,
  .nav-storefront .nav-cta,
  .user-pill {
    padding: 9px 12px;
    min-height: 40px;
    font-size: 0.88rem;
  }

  .hero-stats,
  .storefront-features-grid,
  .storefront-course-grid,
  .catalog-grid-rich,
  .learner-grid-secondary,
  .learner-course-card,
  .catalog-searchbar-rich {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    display: grid;
  }

  .storefront-course-card .course-footer,
  .catalog-course-footer,
  .learner-course-head,
  .learner-feed-head,
  .learner-panel-head {
    flex-direction: column;
    align-items: start;
  }
}