/* ==========================================================================
   APPLE iOS & iPadOS 27 DESIGN SYSTEM + WWDC25 LIQUID GLASS
   Reference: developer.apple.com/design/human-interface-guidelines/materials
              developer.apple.com/documentation/TechnologyOverviews/adopting-liquid-glass
   ========================================================================== */

:root,
[data-theme="light"] {
  /* Apple Dynamic System Grouped Backgrounds (Content Layer - Never Glass) */
  --sys-bg-grouped-primary: #F2F2F7;
  --sys-bg-grouped-secondary: #FFFFFF;
  --sys-bg-grouped-tertiary: #F2F2F7;
  --sys-bg-elevated: #FFFFFF;

  /* Apple Dynamic Labels (Vibrancy Hierarchy) */
  --sys-label-primary: #000000;
  --sys-label-secondary: rgba(60, 60, 67, 0.60);
  --sys-label-tertiary: rgba(60, 60, 67, 0.30);
  --sys-label-quaternary: rgba(60, 60, 67, 0.18);

  /* Apple Dynamic Fills */
  --sys-fill-primary: rgba(120, 120, 128, 0.20);
  --sys-fill-secondary: rgba(120, 120, 128, 0.16);
  --sys-fill-tertiary: rgba(118, 118, 128, 0.12);
  --sys-fill-quaternary: rgba(116, 116, 128, 0.08);

  /* Apple Hairline Separators */
  --sys-separator: rgba(60, 60, 67, 0.29);
  --sys-separator-subtle: rgba(60, 60, 67, 0.14);
  --sys-card-border: rgba(0, 0, 0, 0.05);

  /* Apple Semantic System Colors (Light Default) */
  --sys-blue: #007AFF;
  --sys-blue-soft: rgba(0, 122, 255, 0.12);
  --sys-green: #34C759;
  --sys-green-soft: rgba(52, 199, 89, 0.13);
  --sys-indigo: #5856D6;
  --sys-indigo-soft: rgba(88, 86, 214, 0.12);
  --sys-orange: #FF9500;
  --sys-orange-soft: rgba(255, 149, 0, 0.14);
  --sys-red: #FF3B30;
  --sys-red-soft: rgba(255, 59, 48, 0.12);
  --sys-teal: #30B0C7;
  --sys-teal-soft: rgba(48, 176, 199, 0.13);
  --sys-purple: #AF52DE;
  --sys-purple-soft: rgba(175, 82, 222, 0.12);
  --sys-pink: #FF2D55;
  --sys-pink-soft: rgba(255, 45, 85, 0.12);
  --sys-yellow: #FFCC00;
  --sys-gray: #8E8E93;
  --sys-gray4: #D1D1D6;
  --sys-gray5: #E5E5EA;
  --sys-gray6: #F2F2F7;

  /* WWDC25 Liquid Glass Regular Variant Tokens (Functional Layer ONLY) */
  --lg-regular-bg: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.76) 0%,
    rgba(250, 250, 255, 0.64) 55%,
    rgba(245, 247, 252, 0.72) 100%
  );
  --lg-sidebar-bg: linear-gradient(
    165deg,
    rgba(255, 255, 255, 0.80) 0%,
    rgba(246, 247, 252, 0.68) 60%,
    rgba(240, 242, 249, 0.76) 100%
  );
  --lg-capsule-bg: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.78) 0%,
    rgba(248, 249, 253, 0.64) 100%
  );
  --lg-thumb-bg: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(255, 255, 255, 0.84) 100%
  );
  --lg-rim-light: rgba(255, 255, 255, 0.92);
  --lg-rim-mid: rgba(255, 255, 255, 0.45);
  --lg-outer-border: rgba(0, 0, 0, 0.07);
  --lg-shadow: 0 14px 36px -8px rgba(15, 23, 42, 0.10),
               0 3px 10px -2px rgba(15, 23, 42, 0.05);
  --lg-capsule-shadow: 0 8px 24px -4px rgba(15, 23, 42, 0.09),
                       0 2px 6px rgba(15, 23, 42, 0.04);
  --lg-blur: blur(32px) saturate(190%) brightness(1.03);
  --scroll-edge-gradient: linear-gradient(
    180deg,
    rgba(242, 242, 247, 0.92) 0%,
    rgba(242, 242, 247, 0.65) 55%,
    rgba(242, 242, 247, 0) 100%
  );
  --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  --row-hover: rgba(0, 122, 255, 0.04);
}

[data-theme="dark"] {
  /* Apple Dynamic System Grouped Backgrounds (Dark Mode) */
  --sys-bg-grouped-primary: #000000;
  --sys-bg-grouped-secondary: #1C1C1E;
  --sys-bg-grouped-tertiary: #2C2C2E;
  --sys-bg-elevated: #1C1C1E;

  /* Apple Dynamic Labels (Dark Mode) */
  --sys-label-primary: #FFFFFF;
  --sys-label-secondary: rgba(235, 235, 245, 0.60);
  --sys-label-tertiary: rgba(235, 235, 245, 0.30);
  --sys-label-quaternary: rgba(235, 235, 245, 0.18);

  /* Apple Dynamic Fills (Dark Mode) */
  --sys-fill-primary: rgba(120, 120, 128, 0.36);
  --sys-fill-secondary: rgba(120, 120, 128, 0.32);
  --sys-fill-tertiary: rgba(118, 118, 128, 0.24);
  --sys-fill-quaternary: rgba(116, 116, 128, 0.18);

  /* Apple Hairline Separators (Dark Mode) */
  --sys-separator: rgba(84, 84, 88, 0.65);
  --sys-separator-subtle: rgba(84, 84, 88, 0.35);
  --sys-card-border: rgba(255, 255, 255, 0.08);

  /* Apple Semantic System Colors (Dark Default) */
  --sys-blue: #0A84FF;
  --sys-blue-soft: rgba(10, 132, 255, 0.18);
  --sys-green: #30D158;
  --sys-green-soft: rgba(48, 209, 88, 0.18);
  --sys-indigo: #5E5CE6;
  --sys-indigo-soft: rgba(94, 92, 230, 0.18);
  --sys-orange: #FF9F0A;
  --sys-orange-soft: rgba(255, 159, 10, 0.18);
  --sys-red: #FF453A;
  --sys-red-soft: rgba(255, 69, 58, 0.18);
  --sys-teal: #40C8E0;
  --sys-teal-soft: rgba(64, 200, 224, 0.18);
  --sys-purple: #BF5AF2;
  --sys-purple-soft: rgba(191, 90, 242, 0.18);
  --sys-pink: #FF375F;
  --sys-pink-soft: rgba(255, 55, 95, 0.18);
  --sys-yellow: #FFD60A;
  --sys-gray: #8E8E93;
  --sys-gray4: #3A3A3C;
  --sys-gray5: #2C2C2E;
  --sys-gray6: #1C1C1E;

  /* WWDC25 Liquid Glass Regular Variant Tokens (Dark Mode) */
  --lg-regular-bg: linear-gradient(
    145deg,
    rgba(44, 44, 48, 0.72) 0%,
    rgba(28, 28, 32, 0.62) 55%,
    rgba(36, 36, 40, 0.70) 100%
  );
  --lg-sidebar-bg: linear-gradient(
    165deg,
    rgba(42, 42, 46, 0.76) 0%,
    rgba(26, 26, 30, 0.66) 60%,
    rgba(32, 32, 36, 0.74) 100%
  );
  --lg-capsule-bg: linear-gradient(
    180deg,
    rgba(48, 48, 52, 0.74) 0%,
    rgba(30, 30, 34, 0.64) 100%
  );
  --lg-thumb-bg: linear-gradient(
    180deg,
    rgba(92, 92, 98, 0.85) 0%,
    rgba(68, 68, 74, 0.78) 100%
  );
  --lg-rim-light: rgba(255, 255, 255, 0.24);
  --lg-rim-mid: rgba(255, 255, 255, 0.08);
  --lg-outer-border: rgba(255, 255, 255, 0.12);
  --lg-shadow: 0 18px 44px -8px rgba(0, 0, 0, 0.65),
               0 4px 12px rgba(0, 0, 0, 0.40);
  --lg-capsule-shadow: 0 10px 28px -4px rgba(0, 0, 0, 0.55),
                       0 2px 6px rgba(0, 0, 0, 0.35);
  --lg-blur: blur(34px) saturate(190%) brightness(0.95);
  --scroll-edge-gradient: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.90) 0%,
    rgba(0, 0, 0, 0.60) 55%,
    rgba(0, 0, 0, 0) 100%
  );
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  --row-hover: rgba(10, 132, 255, 0.08);
}

/* Accessibility Fallback: Reduce Transparency (liquid-glass.md Checklist #5) */
@media (prefers-reduced-transparency: reduce) {
  :root {
    --lg-blur: none;
    --lg-sidebar-bg: var(--sys-bg-grouped-secondary);
    --lg-capsule-bg: var(--sys-bg-grouped-secondary);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  height: 100%;
  background-color: var(--sys-bg-grouped-primary);
  color: var(--sys-label-primary);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.4;
  overflow: hidden;
  transition: background-color 0.28s cubic-bezier(0.22, 1, 0.36, 1), color 0.28s ease;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   iPadOS 27 SYSTEM STATUS BAR (24pt Top Chrome)
   ========================================================================== */
.ipados-status-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 26px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--sys-label-primary);
  z-index: 200;
  pointer-events: none;
  user-select: none;
}

.status-left, .status-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-battery {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.battery-body {
  width: 22px;
  height: 11px;
  border: 1.2px solid currentColor;
  border-radius: 3.5px;
  padding: 1.5px;
  position: relative;
  opacity: 0.85;
}

.battery-body::after {
  content: "";
  position: absolute;
  right: -3.2px;
  top: 2.5px;
  width: 1.6px;
  height: 4px;
  background: currentColor;
  border-radius: 0 1px 1px 0;
  opacity: 0.65;
}

.battery-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--sys-green);
  border-radius: 1.5px;
}

/* ==========================================================================
   BACKGROUND EXTENSION EFFECT (sidebars.md - backgroundExtensionEffect())
   Extends subtle color luminance beneath the Liquid Glass sidebar and bars
   so the translucent material refracts living color from the content layer.
   ========================================================================== */
.background-extension-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(85px);
  opacity: 0.28;
  transition: all 0.8s ease;
}

[data-theme="dark"] .ambient-orb {
  opacity: 0.16;
}

.orb-1 {
  width: 420px;
  height: 420px;
  top: -80px;
  left: -60px;
  background: radial-gradient(circle, var(--sys-blue), transparent 70%);
}

.orb-2 {
  width: 360px;
  height: 360px;
  bottom: 40px;
  left: 20px;
  background: radial-gradient(circle, var(--sys-teal), transparent 70%);
}

.orb-3 {
  width: 520px;
  height: 320px;
  top: -110px;
  right: 12%;
  background: radial-gradient(circle, var(--sys-indigo), transparent 72%);
  opacity: 0.15;
}

/* ==========================================================================
   LIQUID GLASS CORE MATERIAL (.liquid-glass-regular)
   Strictly reserved for Functional Layer (Sidebar, Toolbars, Sheets)
   ========================================================================== */
.liquid-glass-regular {
  background: var(--lg-regular-bg);
  backdrop-filter: var(--lg-blur);
  -webkit-backdrop-filter: var(--lg-blur);
  border: 0.5px solid var(--lg-outer-border);
  box-shadow:
    inset 0 1px 0 0 var(--lg-rim-light),
    inset 0 -0.5px 0 0 var(--lg-rim-mid),
    inset 1px 0 0 0 var(--lg-rim-mid),
    var(--lg-shadow);
}

.liquid-glass-capsule {
  background: var(--lg-capsule-bg);
  backdrop-filter: var(--lg-blur);
  -webkit-backdrop-filter: var(--lg-blur);
  border: 0.5px solid var(--lg-outer-border);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0.5px 0 var(--lg-rim-light),
    inset 0 -0.5px 0 0 var(--lg-rim-mid),
    var(--lg-capsule-shadow);
}

/* Single prominent stained-glass button (liquid-glass.md Color Budget rule) */
.liquid-glass-prominent {
  background: linear-gradient(180deg, #2E92FF 0%, var(--sys-blue) 100%);
  color: #FFFFFF;
  border: 0.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0.5px rgba(255, 255, 255, 0.55),
    0 6px 18px -4px rgba(0, 122, 255, 0.45);
}

/* ==========================================================================
   NAVIGATION SPLIT VIEW LAYOUT (split-views.md & sidebars.md)
   ========================================================================== */
.split-view-shell {
  position: relative;
  z-index: 1;
  display: flex;
  width: 100vw;
  height: 100vh;
  padding-top: 26px; /* Below iPadOS status bar */
}

/* Floating iPadOS 27 Sidebar */
.ipados-sidebar {
  width: 284px;
  min-width: 284px;
  height: calc(100vh - 40px);
  margin: 4px 0 10px 14px;
  border-radius: 26px;
  background: var(--lg-sidebar-bg);
  backdrop-filter: var(--lg-blur);
  -webkit-backdrop-filter: var(--lg-blur);
  border: 0.5px solid var(--lg-outer-border);
  box-shadow:
    inset 0 1.2px 0.5px 0 var(--lg-rim-light),
    inset 0 -0.5px 0 0 var(--lg-rim-mid),
    inset 1px 0 0.5px 0 var(--lg-rim-mid),
    var(--lg-shadow);
  display: flex;
  flex-direction: column;
  z-index: 40;
  transition: transform 0.36s cubic-bezier(0.22, 1, 0.36, 1),
              width 0.36s cubic-bezier(0.22, 1, 0.36, 1),
              min-width 0.36s cubic-bezier(0.22, 1, 0.36, 1),
              margin 0.36s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.26s ease;
  overflow: hidden;
}

.split-view-shell.sidebar-collapsed .ipados-sidebar {
  width: 0;
  min-width: 0;
  margin-left: 0;
  opacity: 0;
  transform: translateX(-24px);
  pointer-events: none;
  border: none;
}

.sidebar-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
}

.sidebar-title-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-symbol-badge {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(145deg, #007AFF, #5856D6);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 8px rgba(0, 122, 255, 0.28);
}

.sidebar-app-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--sys-label-primary);
}

.sidebar-app-subtitle {
  font-size: 11px;
  font-weight: 500;
  color: var(--sys-label-secondary);
}

.icon-btn-glass {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--sys-label-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.12s ease;
}

.icon-btn-glass:hover {
  background: var(--sys-fill-tertiary);
  color: var(--sys-label-primary);
}

.icon-btn-glass:active {
  transform: scale(0.94);
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 4px 12px 14px;
  scrollbar-width: none;
}

.sidebar-scroll::-webkit-scrollbar {
  display: none;
}

.sidebar-group {
  margin-bottom: 16px;
}

.sidebar-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sys-label-secondary);
  user-select: none;
}

.sidebar-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-item {
  width: 100%;
  min-height: 40px;
  padding: 7px 10px;
  border-radius: 12px;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--sys-label-primary);
  cursor: pointer;
  text-align: left;
  transition: background-color 0.16s ease, transform 0.12s ease;
}

.sidebar-item:hover {
  background: var(--sys-fill-quaternary);
}

.sidebar-item.active {
  background: var(--sys-blue-soft);
  color: var(--sys-blue);
  font-weight: 600;
}

[data-theme="dark"] .sidebar-item.active {
  background: rgba(10, 132, 255, 0.22);
  color: #409CFF;
}

.sidebar-item-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.sf-icon-box {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
}

.sidebar-item-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--sys-label-secondary);
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--sys-fill-quaternary);
}

.sidebar-item.active .sidebar-badge {
  background: rgba(0, 122, 255, 0.16);
  color: var(--sys-blue);
}

/* Bottom Sidebar Sync Card (Sr. Caceti + Anki Status) */
.sidebar-footer {
  padding: 12px;
  border-top: 0.5px solid var(--sys-separator-subtle);
}

.sync-mini-card {
  padding: 10px 12px;
  border-radius: 16px;
  background: var(--sys-fill-quaternary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sys-green);
  box-shadow: 0 0 0 3px var(--sys-green-soft);
  flex-shrink: 0;
}

.sync-meta {
  flex: 1;
  min-width: 0;
}

.sync-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--sys-label-primary);
}

.sync-sub {
  font-size: 11px;
  color: var(--sys-label-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   SECONDARY / DETAIL PANE (Content Layer + Floating Top Liquid Glass Bar)
   ========================================================================== */
.ipados-main-pane {
  flex: 1;
  height: calc(100vh - 26px);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Scroll Edge Effect (liquid-glass.md Checklist #6 & toolbars.md) */
.scroll-edge-blur {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  background: var(--scroll-edge-gradient);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 55%, transparent 100%);
  z-index: 25;
  pointer-events: none;
}

/* Floating Top Liquid Glass Toolbar (WWDC25 GlassEffectContainer) */
.ipados-floating-toolbar {
  position: absolute;
  top: 6px;
  left: 18px;
  right: 22px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 30;
  pointer-events: none;
}

.toolbar-cluster {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.glass-pill-control {
  height: 40px;
  padding: 4px 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Liquid Glass Segmented Control (UISegmentedControl iOS 27) */
.segmented-glass {
  height: 40px;
  padding: 3px;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  position: relative;
  overflow-x: auto;
  max-width: 100%;
  scrollbar-width: none;
}

.segmented-glass::-webkit-scrollbar {
  display: none;
}

.seg-btn {
  border: none;
  background: transparent;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sys-label-secondary);
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.seg-btn:hover {
  color: var(--sys-label-primary);
}

.seg-btn.active {
  background: var(--lg-thumb-bg);
  color: var(--sys-label-primary);
  box-shadow:
    inset 0 1px 0.5px rgba(255, 255, 255, 0.8),
    0 2px 8px rgba(0, 0, 0, 0.10);
}

.seg-count {
  font-size: 11px;
  opacity: 0.68;
}

/* Search Capsule */
.search-glass-capsule {
  height: 40px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 245px;
  transition: width 0.26s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.2s ease;
}

.search-glass-capsule:focus-within {
  width: 295px;
  box-shadow:
    inset 0 1px 0.5px var(--lg-rim-light),
    0 0 0 2.5px rgba(0, 122, 255, 0.30),
    var(--lg-capsule-shadow);
}

.search-glass-capsule input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  color: var(--sys-label-primary);
}

.search-glass-capsule input::placeholder {
  color: var(--sys-label-secondary);
}

.kbd-hint {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--sys-label-tertiary);
  padding: 2px 5px;
  border-radius: 5px;
  border: 0.5px solid var(--sys-separator-subtle);
}

/* Prominent Action Button (Single Tinted Control per liquid-glass.md) */
.btn-prominent-glass {
  height: 40px;
  padding: 0 15px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, filter 0.15s ease;
}

.btn-prominent-glass:hover {
  filter: brightness(1.06);
}

.btn-prominent-glass:active {
  transform: scale(0.97);
}

/* ==========================================================================
   SCROLLABLE CONTENT LAYER (Pure Opaque Grouped Surfaces - Never Glass)
   ========================================================================== */
.content-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 66px 24px 48px 20px;
  scroll-behavior: smooth;
}

/* Apple Large Title Bar (prefersLargeTitles) */
.large-title-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 4px 4px 0;
  flex-wrap: wrap;
}

.eyebrow-apple {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sys-blue);
  margin-bottom: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.large-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.024em;
  line-height: 1.12;
  color: var(--sys-label-primary);
}

.large-subtitle {
  font-size: 14px;
  color: var(--sys-label-secondary);
  margin-top: 4px;
}

/* Mock State Switcher (Real Today vs. Simulated Week 5) */
.mock-mode-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--sys-bg-grouped-secondary);
  border: 0.5px solid var(--sys-separator-subtle);
  padding: 4px;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
}

.mock-mode-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--sys-label-secondary);
  padding: 0 8px;
}

.mock-mode-btn {
  border: none;
  background: transparent;
  padding: 6px 11px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--sys-label-secondary);
  cursor: pointer;
  transition: all 0.18s ease;
}

.mock-mode-btn.active {
  background: var(--sys-blue);
  color: #FFFFFF;
}

/* ==========================================================================
   APPLE HEALTH / FITNESS SUMMARY WIDGETS (4 Compact Content Cards)
   ========================================================================== */
.summary-widgets-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.apple-widget-card {
  background: var(--sys-bg-grouped-secondary);
  border-radius: 18px;
  padding: 15px 16px;
  border: 0.5px solid var(--sys-card-border);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.widget-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.widget-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.widget-pill-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.widget-metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.widget-big-num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--sys-label-primary);
}

.widget-unit {
  font-size: 13px;
  font-weight: 600;
  color: var(--sys-label-secondary);
}

.widget-progress-track {
  width: 100%;
  height: 7px;
  background: var(--sys-fill-tertiary);
  border-radius: 999px;
  overflow: hidden;
  display: flex;
  gap: 2px;
}

.widget-progress-seg {
  height: 100%;
  border-radius: 999px;
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.widget-foot {
  font-size: 12px;
  color: var(--sys-label-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   OFFICIAL WEIGHT ARCHITECTURE BANNER (P5 Objetiva · P3 Discursiva · P2 Redação)
   ========================================================================== */
.weights-strip {
  background: var(--sys-bg-grouped-secondary);
  border-radius: 16px;
  padding: 12px 16px;
  margin-bottom: 22px;
  border: 0.5px solid var(--sys-card-border);
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.weights-strip-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.weight-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border-radius: 10px;
  font-size: 12.5px;
  font-weight: 600;
  background: var(--sys-fill-quaternary);
}

.weight-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.weights-strip-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-filter-pills {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.filter-mini-pill {
  border: none;
  background: var(--sys-fill-quaternary);
  color: var(--sys-label-secondary);
  padding: 5px 10px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.filter-mini-pill:hover {
  color: var(--sys-label-primary);
}

.filter-mini-pill.active {
  background: var(--sys-label-primary);
  color: var(--sys-bg-grouped-secondary);
}

/* ==========================================================================
   APPLE INSET GROUPED EDITAL TABLES (lists-and-tables.md)
   ========================================================================== */
.edital-section-group {
  margin-bottom: 26px;
}

.edital-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px 8px;
  gap: 12px;
  flex-wrap: wrap;
}

.edital-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.edital-group-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 13px;
}

.edital-group-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.018em;
  color: var(--sys-label-primary);
}

.edital-group-badge {
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}

.edital-group-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sys-label-secondary);
}

.btn-expand-subtopics {
  border: none;
  background: transparent;
  color: var(--sys-blue);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}

.btn-expand-subtopics:hover {
  background: var(--sys-blue-soft);
}

/* Inset Grouped Container */
.apple-inset-grouped-table {
  background: var(--sys-bg-grouped-secondary);
  border-radius: 18px;
  border: 0.5px solid var(--sys-card-border);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

/* Descriptive Column Headings (lists-and-tables.md: Title-style capitalization, no ending punctuation) */
.apple-table-head {
  display: grid;
  grid-template-columns: 92px minmax(260px, 1.8fr) 118px 180px 132px 110px 158px 32px;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--sys-fill-quaternary);
  border-bottom: 0.5px solid var(--sys-separator-subtle);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--sys-label-secondary);
  user-select: none;
}

.apple-table-row {
  border-bottom: 0.5px solid var(--sys-separator-subtle);
  transition: background-color 0.15s ease;
}

.apple-table-row:last-child {
  border-bottom: none;
}

.apple-table-row:hover {
  background-color: var(--row-hover);
}

.apple-table-row.selected {
  background-color: var(--sys-blue-soft);
}

.row-main-line {
  display: grid;
  grid-template-columns: 92px minmax(260px, 1.8fr) 118px 180px 132px 110px 158px 32px;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
}

/* Column 1: Module Code + Check Circle */
.col-code {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-circle-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.6px solid var(--sys-gray4);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: transparent;
  flex-shrink: 0;
  transition: all 0.16s ease;
}

.check-circle-btn.done {
  background: var(--sys-green);
  border-color: var(--sys-green);
  color: #FFFFFF;
}

.check-circle-btn.in-cycle {
  border-color: var(--sys-blue);
  background: var(--sys-blue-soft);
  color: var(--sys-blue);
}

.check-circle-btn.review {
  border-color: var(--sys-orange);
  background: var(--sys-orange-soft);
  color: var(--sys-orange);
}

.module-code-pill {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--sys-label-primary);
}

/* Column 2: Module Title & Official Edital Subtopics Preview */
.col-subject {
  min-width: 0;
}

.module-title-text {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--sys-label-primary);
  line-height: 1.3;
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.module-subtopics-inline {
  font-size: 12.5px;
  color: var(--sys-label-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Expandable Subtopics Tray inside Row */
.row-subtopics-tray {
  display: none;
  padding: 0 16px 14px 54px;
  gap: 6px;
  flex-wrap: wrap;
}

.apple-table-row.expanded .row-subtopics-tray,
.edital-section-group.all-expanded .row-subtopics-tray {
  display: flex;
}

.apple-table-row.expanded .module-subtopics-inline,
.edital-section-group.all-expanded .module-subtopics-inline {
  white-space: normal;
}

.subtopic-chip {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--sys-label-primary);
  background: var(--sys-fill-quaternary);
  border: 0.5px solid var(--sys-separator-subtle);
  padding: 3px 9px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.subtopic-chip.hot {
  background: var(--sys-orange-soft);
  border-color: rgba(255, 149, 0, 0.30);
  color: var(--sys-orange);
  font-weight: 600;
}

[data-theme="light"] .subtopic-chip.hot {
  color: #B25000;
}

/* Column 3: Cronograma Week/Day */
.col-schedule {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sys-label-secondary);
}

.schedule-badge-today {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--sys-blue-soft);
  color: var(--sys-blue);
  padding: 3px 8px;
  border-radius: 7px;
  font-weight: 700;
  font-size: 11.5px;
}

/* Column 4: UNIT Exam Incidence + Discursiva P3 Badge */
.col-incidence {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.incidence-pill {
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--sys-fill-quaternary);
  color: var(--sys-label-primary);
}

.p3-disc-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2.5px 7px;
  border-radius: 6px;
  background: var(--sys-orange-soft);
  color: #C95B00;
}

[data-theme="dark"] .p3-disc-badge {
  color: var(--sys-orange);
}

.p3-champion {
  background: var(--sys-red-soft);
  color: var(--sys-red);
}

/* Column 5: Status Pill */
.status-apple-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
}

.status-dominado {
  background: var(--sys-green-soft);
  color: #1D8338;
}
[data-theme="dark"] .status-dominado {
  color: var(--sys-green);
}

.status-ciclo {
  background: var(--sys-blue-soft);
  color: var(--sys-blue);
}

.status-revisao {
  background: var(--sys-orange-soft);
  color: #B85500;
}
[data-theme="dark"] .status-revisao {
  color: var(--sys-orange);
}

.status-pendente {
  background: var(--sys-fill-quaternary);
  color: var(--sys-label-secondary);
}

/* Column 6: Feynman Score 1 -> 2 */
.col-feynman {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sys-label-primary);
}

.feynman-arrow {
  color: var(--sys-label-tertiary);
  margin: 0 2px;
}

/* Column 7: Mastery Bar + Accuracy % */
.col-mastery {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mastery-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
}

.mastery-bar-bg {
  width: 100%;
  height: 6px;
  background: var(--sys-fill-tertiary);
  border-radius: 999px;
  overflow: hidden;
}

.mastery-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Column 8: Apple Disclosure Indicator (chevron.right) */
.col-disclosure {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--sys-label-tertiary);
  transition: transform 0.2s ease, color 0.2s ease;
}

.apple-table-row:hover .col-disclosure {
  color: var(--sys-label-secondary);
  transform: translateX(2px);
}

/* ==========================================================================
   FLOATING LIQUID GLASS INSPECTOR SHEET (Trailing Detail Modal / Sheet)
   ========================================================================== */
.ipados-inspector-sheet {
  position: fixed;
  top: 34px;
  right: 16px;
  bottom: 16px;
  width: 410px;
  max-width: calc(100vw - 32px);
  border-radius: 28px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  transform: translateX(450px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.28s ease;
  overflow: hidden;
}

.ipados-inspector-sheet.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.sheet-header {
  padding: 16px 18px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 0.5px solid var(--sys-separator-subtle);
}

.sheet-close-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: var(--sys-fill-secondary);
  color: var(--sys-label-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.sheet-close-btn:hover {
  color: var(--sys-label-primary);
}

.sheet-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sheet-inset-card {
  background: var(--sys-bg-grouped-secondary);
  border-radius: 16px;
  padding: 14px;
  border: 0.5px solid var(--sys-card-border);
  box-shadow: var(--card-shadow);
}

.sheet-section-title {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sys-label-secondary);
  margin-bottom: 8px;
}

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

.sheet-kpi-box {
  background: var(--sys-fill-quaternary);
  padding: 10px 12px;
  border-radius: 12px;
}

.sheet-kpi-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--sys-label-secondary);
}

.sheet-kpi-val {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2px;
  color: var(--sys-label-primary);
}

/* Responsive adjustments for smaller tablet / compact widths */
@media (max-width: 1260px) {
  .summary-widgets-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .apple-table-head,
  .row-main-line {
    grid-template-columns: 86px minmax(200px, 1.5fr) 105px 150px 120px 140px 26px;
  }
  .col-feynman, .head-feynman {
    display: none;
  }
}

@media (max-width: 960px) {
  .ipados-sidebar {
    position: fixed;
    top: 30px;
    left: 10px;
    bottom: 10px;
    z-index: 80;
  }
  .apple-table-head,
  .row-main-line {
    grid-template-columns: 82px 1fr 110px 130px 24px;
  }
  .col-schedule, .head-schedule,
  .col-incidence, .head-incidence {
    display: none;
  }
}