:root {
  --fm-bg: #020624;
  --fm-bg-2: #050b2c;
  --fm-panel: rgba(15, 23, 42, 0.72);
  --fm-panel-solid: #0b1220;
  --fm-surface: #ffffff;
  --fm-surface-soft: #f8fafc;
  --fm-border: rgba(148, 163, 184, 0.28);
  --fm-border-strong: rgba(184, 200, 255, 0.42);
  --fm-blue: #07145f;
  --fm-blue-2: #1230a0;
  --fm-cyan: #67e8f9;
  --fm-gold: #d9a441;
  --fm-text: #0b1220;
  --fm-text-muted: #64748b;
  --fm-night-text: #f8fbff;
  --fm-danger: #dc2626;
  --fm-success: #16a34a;
  --fm-warning: #f59e0b;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 16px;
  --radius-xl: 32px;
  --shadow-sm: 0 8px 24px rgba(2, 6, 36, 0.1);
  --shadow-md: 0 18px 48px rgba(2, 6, 36, 0.16);
  --shadow-lg: 0 30px 90px rgba(2, 6, 36, 0.26);
  --shadow-modal: 0 36px 120px rgba(2, 6, 36, 0.36);
}

html[data-premium-refactor="lock"] body {
  background: linear-gradient(180deg, #f6f8fc, #edf2f8);
}

html[data-theme="night"][data-premium-refactor="lock"] body {
  background: linear-gradient(180deg, #020624, #050b2c 58%, #071021);
}

html[data-premium-refactor="lock"] .app-shell {
  width: min(1880px, calc(100% - 20px));
  margin: 10px auto 18px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-lg);
  overflow: clip;
}

html[data-theme="night"][data-premium-refactor="lock"] .app-shell {
  background: rgba(7, 16, 33, 0.88);
  border-color: rgba(184, 200, 255, 0.18);
}

.fm-premium-logo {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--fm-blue);
  box-shadow: 0 14px 34px rgba(7, 20, 95, 0.2);
  color: #fff;
  flex: 0 0 auto;
}

.fm-premium-logo svg {
  width: 32px;
  height: 32px;
}

html[data-premium-refactor="lock"] .app-header.topbar {
  position: sticky;
  top: 0;
  z-index: 70;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 76px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

html[data-theme="night"][data-premium-refactor="lock"] .app-header.topbar {
  background: rgba(7, 16, 33, 0.88);
}

html[data-low-resource="true"] .app-header.topbar,
html[data-low-resource="true"] .fm-premium-overlay,
html[data-low-resource="true"] .fm-command-overlay,
html[data-low-resource="true"] .fm-auth-overlay,
html[data-low-resource="true"] .fm-ticket-overlay {
  backdrop-filter: none !important;
}

.fm-premium-menu-button,
.fm-premium-icon-button {
  min-width: 44px;
  min-height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  background: rgba(255, 255, 255, 0.76);
  color: var(--fm-blue);
  font-weight: 900;
  cursor: pointer;
}

html[data-theme="night"] .fm-premium-menu-button,
html[data-theme="night"] .fm-premium-icon-button {
  background: rgba(15, 23, 42, 0.82);
  color: var(--fm-night-text);
  border-color: rgba(184, 200, 255, 0.22);
}

.fm-premium-menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex-direction: column;
}

.fm-premium-menu-button span {
  width: 18px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
}

.fm-premium-status {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.fm-premium-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(248, 250, 252, 0.86);
  padding: 6px 10px;
  color: var(--fm-text-muted);
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

html[data-theme="night"] .fm-premium-chip {
  background: rgba(15, 23, 42, 0.84);
  color: #cbd5e1;
}

html[data-premium-refactor="lock"] .module-nav.tabs {
  display: grid;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(248, 250, 252, 0.72);
}

html[data-theme="night"][data-premium-refactor="lock"] .module-nav.tabs {
  background: rgba(11, 18, 32, 0.6);
}

html[data-premium-refactor="lock"] .module-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

html[data-premium-refactor="lock"] .module-tabs .tab {
  flex: 0 0 auto;
  min-height: 38px;
  border-radius: 999px;
}

html[data-premium-refactor="lock"] .nav-group-label {
  align-self: center;
  flex: 0 0 auto;
  color: var(--fm-text-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

html[data-premium-refactor="lock"] .app-main {
  padding: 16px;
}

html[data-premium-refactor="lock"] .view {
  border-radius: var(--radius-lg);
}

html[data-premium-refactor="lock"] .settings-card,
html[data-premium-refactor="lock"] .flashmed-card,
html[data-premium-refactor="lock"] .control-panel,
html[data-premium-refactor="lock"] .teacher-inspector,
.fm-premium-card {
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

html[data-theme="night"] .settings-card,
html[data-theme="night"] .flashmed-card,
html[data-theme="night"] .control-panel,
html[data-theme="night"] .teacher-inspector,
html[data-theme="night"] .fm-premium-card {
  background: rgba(15, 23, 42, 0.78);
  border-color: rgba(184, 200, 255, 0.18);
}

.fm-premium-overlay,
.fm-command-overlay {
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: rgba(2, 6, 36, 0.52);
  backdrop-filter: blur(16px);
}

.fm-premium-overlay[hidden],
.fm-command-overlay[hidden] {
  display: none;
}

.fm-premium-drawer {
  width: min(390px, calc(100vw - 26px));
  height: calc(100dvh - 24px);
  margin: 12px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.94);
  color: var(--fm-text);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

html[data-theme="night"] .fm-premium-drawer {
  background: rgba(11, 18, 32, 0.96);
  color: var(--fm-night-text);
}

.fm-drawer-head,
.fm-drawer-foot {
  padding: 16px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.fm-drawer-foot {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  border-bottom: 0;
  color: var(--fm-text-muted);
  font-size: 12px;
  line-height: 1.45;
}

.fm-drawer-title {
  display: flex;
  gap: 12px;
  align-items: center;
}

.fm-drawer-title strong,
.fm-drawer-title span {
  display: block;
}

.fm-drawer-title span {
  color: var(--fm-text-muted);
  font-size: 13px;
}

.fm-drawer-nav {
  overflow: auto;
  padding: 10px;
}

.fm-nav-section {
  display: grid;
  gap: 6px;
  padding: 8px 0 12px;
}

.fm-nav-section-label {
  padding: 0 8px;
  color: var(--fm-text-muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.fm-drawer-link,
.fm-command-item {
  min-height: 42px;
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 12px;
  color: inherit;
  text-decoration: none;
  font-weight: 850;
}

.fm-drawer-link:hover,
.fm-drawer-link[aria-current="page"],
.fm-command-item[aria-selected="true"] {
  background: rgba(7, 20, 95, 0.08);
  border-color: rgba(7, 20, 95, 0.16);
}

html[data-theme="night"] .fm-drawer-link:hover,
html[data-theme="night"] .fm-drawer-link[aria-current="page"],
html[data-theme="night"] .fm-command-item[aria-selected="true"] {
  background: rgba(103, 232, 249, 0.1);
  border-color: rgba(103, 232, 249, 0.2);
}

.fm-command-panel {
  width: min(760px, calc(100vw - 28px));
  max-height: min(680px, calc(100dvh - 40px));
  margin: 40px auto;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
}

html[data-theme="night"] .fm-command-panel {
  background: rgba(11, 18, 32, 0.96);
}

.fm-command-search {
  width: 100%;
  min-height: 60px;
  border: 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 0;
  padding: 0 18px;
  font-size: 18px;
  background: transparent;
}

.fm-command-list {
  display: grid;
  gap: 6px;
  padding: 10px;
  overflow: auto;
}

.fm-premium-route {
  display: none;
}

.fm-premium-route.active {
  display: block;
}

.fm-premium-hero {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 4vw, 34px);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(7, 20, 95, 0.08), rgba(103, 232, 249, 0.08)),
    rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-md);
}

html[data-theme="night"] .fm-premium-hero {
  background:
    linear-gradient(135deg, rgba(103, 232, 249, 0.12), rgba(217, 164, 65, 0.08)),
    rgba(15, 23, 42, 0.76);
}

.fm-premium-hero h2 {
  margin: 0;
  color: var(--fm-blue);
  font-size: clamp(34px, 6vw, 72px);
  line-height: 0.98;
}

html[data-theme="night"] .fm-premium-hero h2 {
  color: #f8fbff;
}

.fm-premium-hero p,
.fm-premium-card p,
.fm-premium-card span {
  color: var(--fm-text-muted);
  line-height: 1.5;
}

html[data-theme="night"] .fm-premium-hero p,
html[data-theme="night"] .fm-premium-card p,
html[data-theme="night"] .fm-premium-card span {
  color: #cbd5e1;
}

.fm-premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.fm-premium-card {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.fm-premium-card b {
  color: var(--fm-blue);
}

html[data-theme="night"] .fm-premium-card b {
  color: #f8fbff;
}

.fm-premium-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.fm-premium-actions button,
.fm-premium-actions a,
.fm-settings-tabs button {
  min-height: 42px;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 12px;
  background: #fff;
  color: var(--fm-blue);
  padding: 10px 12px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.fm-premium-actions .primary {
  background: var(--fm-blue);
  border-color: var(--fm-blue);
  color: #fff;
}

html[data-theme="night"] .fm-premium-actions button,
html[data-theme="night"] .fm-premium-actions a,
html[data-theme="night"] .fm-settings-tabs button {
  background: rgba(15, 23, 42, 0.84);
  color: #f8fbff;
  border-color: rgba(184, 200, 255, 0.18);
}

.fm-settings-tabs {
  position: sticky;
  top: 88px;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
}

.fm-settings-tabs button[aria-pressed="true"] {
  background: var(--fm-blue);
  border-color: var(--fm-blue);
  color: #fff;
}

html[data-premium-route="present"] .module-nav,
html[data-premium-route="present"] .teacher-inspector,
html[data-premium-route="present"] .fm-nudge,
html[data-premium-route="present"] .fm-auth-overlay,
html[data-premium-route="present"] .fm-ticket-overlay {
  display: none !important;
}

html[data-premium-route="present"] .app-header {
  opacity: 0.06;
  transition: opacity 160ms ease;
}

html[data-premium-route="present"] .app-header:hover {
  opacity: 1;
}

html[data-premium-route="present"] .view.active {
  min-height: calc(100dvh - 48px);
}

@media (max-width: 900px) {
  html[data-premium-refactor="lock"] .app-shell {
    width: 100%;
    margin: 0;
    border-radius: 0;
  }

  html[data-premium-refactor="lock"] .app-header.topbar {
    grid-template-columns: auto 1fr auto;
    padding: 10px;
  }

  html[data-premium-refactor="lock"] .global-actions.top-actions {
    display: none;
  }

  html[data-premium-refactor="lock"] .app-main {
    padding: 10px;
  }

  .fm-premium-status .fm-premium-chip:nth-child(n+3) {
    display: none;
  }

  .fm-command-panel {
    margin: 12px auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fm-premium-overlay,
  .fm-command-overlay,
  .fm-premium-drawer,
  .fm-command-panel,
  html[data-premium-route="present"] .app-header {
    animation: none !important;
    transition: none !important;
  }
}