/* ============================================================
   AAMOS Admin — Apple iOS 18 Design System
   ============================================================ */

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-primary:        #F2F2F7;
  --bg-secondary:      #FFFFFF;
  --bg-tertiary:       #E5E5EA;
  --bg-grouped:        #F2F2F7;
  --bg-card:           #FFFFFF;
  --bg-elevated:       #FFFFFF;
  --bg-overlay:        rgba(0, 0, 0, 0.40);

  /* Labels / Text */
  --label-primary:     #000000;
  --label-secondary:   #3C3C43CC;   /* 80% */
  --label-tertiary:    #3C3C4399;   /* 60% */
  --label-quaternary:  #3C3C4366;   /* 40% */
  --label-inverted:    #FFFFFF;

  /* System Colors */
  --color-blue:        #007AFF;
  --color-green:       #34C759;
  --color-orange:      #FF9500;
  --color-red:         #FF3B30;
  --color-yellow:      #FFCC00;
  --color-purple:      #AF52DE;
  --color-teal:        #5AC8FA;
  --color-indigo:      #5856D6;
  --color-pink:        #FF2D55;

  /* Semantic aliases */
  --color-primary:     var(--color-blue);
  --color-success:     var(--color-green);
  --color-warning:     var(--color-orange);
  --color-danger:      var(--color-red);

  /* Fill layers (iOS system fills) */
  --fill-primary:      rgba(120, 120, 128, 0.20);
  --fill-secondary:    rgba(120, 120, 128, 0.16);
  --fill-tertiary:     rgba(118, 118, 128, 0.12);
  --fill-quaternary:   rgba(116, 116, 128, 0.08);

  /* Separators */
  --separator:         rgba(60, 60, 67, 0.29);
  --separator-opaque:  #C6C6C8;

  /* Shadows */
  --shadow-sm:         0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:         0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg:         0 8px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-card:       0 2px 8px rgba(0, 0, 0, 0.06);

  /* Radius */
  --radius-xs:         4px;
  --radius-sm:         8px;
  --radius-md:         12px;
  --radius-lg:         16px;
  --radius-xl:         20px;
  --radius-2xl:        24px;
  --radius-full:       9999px;

  /* Spacing (8pt grid) */
  --space-1:           4px;
  --space-2:           8px;
  --space-3:           12px;
  --space-4:           16px;
  --space-5:           20px;
  --space-6:           24px;
  --space-8:           32px;
  --space-10:          40px;
  --space-12:          48px;

  /* Typography */
  --font-family:       -apple-system, "SF Pro Display", "SF Pro Text",
                       BlinkMacSystemFont, "Helvetica Neue", Helvetica, sans-serif;
  --font-mono:         "SF Mono", ui-monospace, "Cascadia Code", "Fira Code",
                       Menlo, Consolas, monospace;

  --text-xs:           11px;
  --text-sm:           13px;
  --text-base:         15px;
  --text-md:           17px;
  --text-lg:           20px;
  --text-xl:           22px;
  --text-2xl:          28px;
  --text-3xl:          34px;

  --weight-regular:    400;
  --weight-medium:     500;
  --weight-semibold:   600;
  --weight-bold:       700;

  /* Layout */
  --sidebar-width:     240px;
  --header-height:     52px;
  --tab-bar-height:    83px;   /* includes safe area */
  --content-max:       1200px;

  /* Transitions */
  --ease:              cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:       cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:     150ms;
  --duration-base:     300ms;
  --duration-slow:     500ms;
  --transition:        var(--duration-base) var(--ease);
}

/* ── Dark Mode Tokens ────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary:        #000000;
    --bg-secondary:      #1C1C1E;
    --bg-tertiary:       #2C2C2E;
    --bg-grouped:        #000000;
    --bg-card:           #1C1C1E;
    --bg-elevated:       #2C2C2E;
    --bg-overlay:        rgba(0, 0, 0, 0.65);

    --label-primary:     #FFFFFF;
    --label-secondary:   rgba(235, 235, 245, 0.60);
    --label-tertiary:    rgba(235, 235, 245, 0.30);
    --label-quaternary:  rgba(235, 235, 245, 0.18);
    --label-inverted:    #000000;

    --color-blue:        #0A84FF;
    --color-green:       #30D158;
    --color-orange:      #FF9F0A;
    --color-red:         #FF453A;
    --color-yellow:      #FFD60A;
    --color-purple:      #BF5AF2;
    --color-teal:        #64D2FF;
    --color-indigo:      #5E5CE6;
    --color-pink:        #FF375F;

    --fill-primary:      rgba(120, 120, 128, 0.36);
    --fill-secondary:    rgba(120, 120, 128, 0.32);
    --fill-tertiary:     rgba(118, 118, 128, 0.24);
    --fill-quaternary:   rgba(116, 116, 128, 0.18);

    --separator:         rgba(84, 84, 88, 0.65);
    --separator-opaque:  #38383A;

    --shadow-sm:         0 1px 3px rgba(0, 0, 0, 0.40);
    --shadow-md:         0 4px 16px rgba(0, 0, 0, 0.50);
    --shadow-lg:         0 8px 32px rgba(0, 0, 0, 0.60);
    --shadow-card:       0 2px 8px rgba(0, 0, 0, 0.40);
  }
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: 1.5;
  color: var(--label-primary);
  background: var(--bg-primary);
  min-height: 100dvh;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity var(--duration-fast) var(--ease);
}
a:hover { opacity: 0.75; }

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol { list-style: none; }

img, svg { display: block; }

hr {
  border: none;
  border-top: 0.5px solid var(--separator);
}

/* ── App Shell ───────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100dvh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100dvh;
  background: var(--bg-secondary);
  border-right: 0.5px solid var(--separator);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: var(--space-6) var(--space-4) var(--space-4);
  border-bottom: 0.5px solid var(--separator);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.4px;
  color: var(--label-primary);
}

.sidebar-logo-sub {
  font-size: var(--text-xs);
  color: var(--label-tertiary);
  letter-spacing: 0.2px;
  margin-top: 1px;
}

.sidebar-section {
  padding: var(--space-3) 0;
  flex: 1;
}

.sidebar-section-title {
  padding: var(--space-2) var(--space-4) var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--label-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  margin: 1px var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--label-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
  text-decoration: none;
  user-select: none;
  position: relative;
}

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

.sidebar-item.active {
  background: rgba(0, 122, 255, 0.12);
  color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
  .sidebar-item.active {
    background: rgba(10, 132, 255, 0.20);
    color: var(--color-primary);
  }
}

.sidebar-item-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity var(--duration-fast) var(--ease);
}

.sidebar-item.active .sidebar-item-icon,
.sidebar-item:hover .sidebar-item-icon {
  opacity: 1;
}

.sidebar-item-badge {
  margin-left: auto;
}

.sidebar-footer {
  padding: var(--space-4);
  border-top: 0.5px solid var(--separator);
  flex-shrink: 0;
}

/* Sidebar collapse toggle (desktop) */
.sidebar-toggle {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 0.5px solid var(--separator);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: absolute;
  right: -12px;
  top: 62px;
  z-index: 10;
  transition: background var(--duration-fast) var(--ease);
}

.sidebar-toggle:hover {
  background: var(--fill-primary);
}

/* ── Main Content ─────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  transition: margin-left var(--transition);
}

.page-header {
  height: var(--header-height);
  background: rgba(var(--bg-secondary), 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 0.5px solid var(--separator);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-header-bg {
  background: rgba(242, 242, 247, 0.85);
}

@media (prefers-color-scheme: dark) {
  .page-header-bg {
    background: rgba(28, 28, 30, 0.85);
  }
}

.page-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.5px;
  color: var(--label-primary);
  flex: 1;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  margin-top: 2px;
}

.page-body {
  flex: 1;
  padding: var(--space-6);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
}

/* ── KPI Card ─────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.kpi-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  cursor: default;
  transition: transform var(--duration-fast) var(--ease),
              box-shadow var(--duration-fast) var(--ease);
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--kpi-accent, var(--color-primary));
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.kpi-card--success { --kpi-accent: var(--color-success); }
.kpi-card--warning { --kpi-accent: var(--color-warning); }
.kpi-card--danger  { --kpi-accent: var(--color-danger);  }
.kpi-card--primary { --kpi-accent: var(--color-primary); }
.kpi-card--purple  { --kpi-accent: var(--color-purple);  }

.kpi-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--label-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.kpi-value {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  letter-spacing: -1px;
  color: var(--label-primary);
  line-height: 1.1;
}

.kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.kpi-delta--up {
  color: var(--color-success);
  background: rgba(52, 199, 89, 0.12);
}

.kpi-delta--down {
  color: var(--color-danger);
  background: rgba(255, 59, 48, 0.12);
}

.kpi-delta--neutral {
  color: var(--label-secondary);
  background: var(--fill-tertiary);
}

.kpi-meta {
  font-size: var(--text-xs);
  color: var(--label-tertiary);
  margin-top: auto;
}

/* ── Health Ring ──────────────────────────────────────────── */
.health-ring {
  --ring-size:    80px;
  --ring-stroke:  7px;
  --ring-value:   75;          /* 0–100, set via inline style or JS */
  --ring-color:   var(--color-success);
  --ring-bg:      var(--fill-tertiary);

  position: relative;
  width: var(--ring-size);
  height: var(--ring-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.health-ring--sm { --ring-size: 56px; --ring-stroke: 5px; }
.health-ring--lg { --ring-size: 112px; --ring-stroke: 9px; }

.health-ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.health-ring__track {
  fill: none;
  stroke: var(--ring-bg);
  stroke-width: var(--ring-stroke);
}

.health-ring__fill {
  fill: none;
  stroke: var(--ring-color);
  stroke-width: var(--ring-stroke);
  stroke-linecap: round;
  /* circumference ~= 2π × (r=38) ≈ 238.76 */
  stroke-dasharray: 238.76;
  stroke-dashoffset: calc(238.76 * (1 - var(--ring-value) / 100));
  transition: stroke-dashoffset var(--duration-slow) var(--ease),
              stroke var(--duration-base) var(--ease);
}

.health-ring--warning { --ring-color: var(--color-warning); }
.health-ring--danger  { --ring-color: var(--color-danger);  }
.health-ring--blue    { --ring-color: var(--color-primary); }

.health-ring__label {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
  z-index: 1;
}

.health-ring__value {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--label-primary);
  letter-spacing: -0.5px;
}

.health-ring__unit {
  font-size: var(--text-xs);
  color: var(--label-tertiary);
}

/* ── iOS Toggle ───────────────────────────────────────────── */
.ios-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  gap: var(--space-3);
  -webkit-tap-highlight-color: transparent;
}

.ios-toggle__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.ios-toggle__track {
  position: relative;
  width: 51px;
  height: 31px;
  border-radius: var(--radius-full);
  background: var(--fill-secondary);
  transition: background var(--duration-base) var(--ease);
  flex-shrink: 0;
}

.ios-toggle__input:checked + .ios-toggle__track {
  background: var(--color-success);
}

.ios-toggle__input:focus-visible + .ios-toggle__track {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.ios-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.10);
  transition: transform var(--duration-base) var(--ease-spring);
}

.ios-toggle__input:checked ~ .ios-toggle__track .ios-toggle__thumb,
.ios-toggle__input:checked + .ios-toggle__track .ios-toggle__thumb {
  transform: translateX(20px);
}

/* Thumb is a child of track, so use sibling trick via parent */
.ios-toggle__track .ios-toggle__thumb {
  transition: transform var(--duration-base) var(--ease-spring);
}

.ios-toggle--primary .ios-toggle__input:checked + .ios-toggle__track {
  background: var(--color-primary);
}

.ios-toggle__label {
  font-size: var(--text-base);
  color: var(--label-primary);
}

.ios-toggle__label-sub {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  margin-top: 1px;
}

/* ── iOS Table ────────────────────────────────────────────── */
.table-ios {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.table-ios thead {
  background: var(--bg-tertiary);
}

.table-ios th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--label-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  border-bottom: 0.5px solid var(--separator);
}

.table-ios td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--label-primary);
  border-bottom: 0.5px solid var(--separator);
  vertical-align: middle;
}

.table-ios tr:last-child td {
  border-bottom: none;
}

.table-ios tbody tr {
  transition: background var(--duration-fast) var(--ease);
}

.table-ios tbody tr:hover {
  background: var(--fill-quaternary);
}

.table-ios--striped tbody tr:nth-child(even) {
  background: var(--fill-quaternary);
}

.table-ios--striped tbody tr:nth-child(even):hover {
  background: var(--fill-tertiary);
}

.table-ios th:first-child,
.table-ios td:first-child { padding-left: var(--space-5); }
.table-ios th:last-child,
.table-ios td:last-child  { padding-right: var(--space-5); }

.table-ios .cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--label-secondary);
}

.table-ios .cell-action {
  text-align: right;
  width: 1px;
  white-space: nowrap;
}

/* ── Modal Overlay ────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  -webkit-backdrop-filter: blur(8px) saturate(180%);
  backdrop-filter: blur(8px) saturate(180%);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.94) translateY(12px);
  transition: transform var(--duration-base) var(--ease-spring);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 0.5px solid var(--separator);
  flex-shrink: 0;
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.3px;
  color: var(--label-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--fill-secondary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--label-secondary);
  flex-shrink: 0;
  transition: background var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
}

.modal-close:hover {
  background: var(--fill-primary);
  color: var(--label-primary);
}

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-5);
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 0.5px solid var(--separator);
  flex-shrink: 0;
}

/* Bottom sheet variant */
.modal-overlay--sheet {
  align-items: flex-end;
  padding: 0;
}

.modal-overlay--sheet .modal {
  max-width: 100%;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  transform: translateY(100%);
  max-height: 85dvh;
}

.modal-overlay--sheet.open .modal {
  transform: translateY(0);
}

.modal-sheet-handle {
  width: 36px;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--fill-primary);
  margin: var(--space-2) auto var(--space-1);
  flex-shrink: 0;
}

/* ── Toast / Snackbar ─────────────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
  max-width: 360px;
  width: calc(100% - 2 * var(--space-4));
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 0.5px solid var(--separator);
  pointer-events: all;
  cursor: pointer;

  opacity: 0;
  transform: translateX(calc(100% + var(--space-4)));
  transition: opacity var(--duration-base) var(--ease),
              transform var(--duration-base) var(--ease-spring);
}

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

.toast.hide {
  opacity: 0;
  transform: translateX(calc(100% + var(--space-4)));
}

.toast__icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast--success .toast__icon { background: rgba(52, 199, 89, 0.15);  color: var(--color-success); }
.toast--warning .toast__icon { background: rgba(255, 149, 0, 0.15);  color: var(--color-warning); }
.toast--danger  .toast__icon { background: rgba(255, 59, 48, 0.15);  color: var(--color-danger);  }
.toast--info    .toast__icon { background: rgba(0, 122, 255, 0.15);  color: var(--color-primary); }

.toast__body { flex: 1; min-width: 0; }

.toast__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
  line-height: 1.3;
}

.toast__message {
  font-size: var(--text-xs);
  color: var(--label-secondary);
  margin-top: 2px;
  line-height: 1.4;
}

.toast__dismiss {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--label-tertiary);
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  border-radius: var(--radius-full);
  transition: color var(--duration-fast) var(--ease),
              background var(--duration-fast) var(--ease);
}

.toast__dismiss:hover {
  color: var(--label-primary);
  background: var(--fill-secondary);
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  white-space: nowrap;
  letter-spacing: 0.1px;
}

.badge--primary {
  background: rgba(0, 122, 255, 0.12);
  color: var(--color-primary);
}
.badge--success {
  background: rgba(52, 199, 89, 0.12);
  color: var(--color-success);
}
.badge--warning {
  background: rgba(255, 149, 0, 0.12);
  color: var(--color-warning);
}
.badge--danger {
  background: rgba(255, 59, 48, 0.12);
  color: var(--color-danger);
}
.badge--purple {
  background: rgba(175, 82, 222, 0.12);
  color: var(--color-purple);
}
.badge--gray {
  background: var(--fill-secondary);
  color: var(--label-secondary);
}
.badge--filled-primary  { background: var(--color-primary);  color: #fff; }
.badge--filled-success  { background: var(--color-success);  color: #fff; }
.badge--filled-warning  { background: var(--color-warning);  color: #fff; }
.badge--filled-danger   { background: var(--color-danger);   color: #fff; }

/* Dot badge (notification count) */
.badge-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--weight-bold);
  line-height: 1;
  background: var(--color-danger);
  color: #fff;
}

/* ── Avatar ───────────────────────────────────────────────── */
.avatar {
  --av-size: 40px;
  --av-radius: var(--radius-full);

  width: var(--av-size);
  height: var(--av-size);
  border-radius: var(--av-radius);
  background: var(--fill-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  font-size: calc(var(--av-size) * 0.4);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
  letter-spacing: -0.2px;
}

.avatar--xs  { --av-size: 24px; }
.avatar--sm  { --av-size: 32px; }
.avatar--md  { --av-size: 40px; }
.avatar--lg  { --av-size: 48px; }
.avatar--xl  { --av-size: 64px; }
.avatar--2xl { --av-size: 80px; }

.avatar--rounded { --av-radius: var(--radius-sm); }
.avatar--square  { --av-radius: 0; }

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

.avatar--blue   { background: rgba(0, 122, 255, 0.15);   color: var(--color-primary); }
.avatar--green  { background: rgba(52, 199, 89, 0.15);   color: var(--color-success); }
.avatar--orange { background: rgba(255, 149, 0, 0.15);   color: var(--color-warning); }
.avatar--red    { background: rgba(255, 59, 48, 0.15);   color: var(--color-danger);  }
.avatar--purple { background: rgba(175, 82, 222, 0.15);  color: var(--color-purple);  }

.avatar-group {
  display: flex;
  flex-direction: row-reverse;
}

.avatar-group .avatar {
  border: 2px solid var(--bg-secondary);
  margin-left: -8px;
}

.avatar-group .avatar:last-child {
  margin-left: 0;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-5);
  height: 44px;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.2px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: opacity var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease),
              background var(--duration-fast) var(--ease),
              box-shadow var(--duration-fast) var(--ease);
}

.btn:active {
  transform: scale(0.97);
  opacity: 0.85;
}

.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm {
  height: 36px;
  padding: 0 var(--space-4);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  height: 50px;
  padding: 0 var(--space-6);
  font-size: var(--text-md);
  border-radius: var(--radius-lg);
}

.btn--full { width: 100%; }

.btn--icon {
  width: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn--icon.btn--sm { width: 36px; }
.btn--icon.btn--lg { width: 50px; }

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 88%, #000);
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.35);
}

.btn-secondary {
  background: var(--fill-secondary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--fill-primary);
}

.btn-danger {
  background: var(--color-danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background: color-mix(in srgb, var(--color-danger) 88%, #000);
  box-shadow: 0 4px 12px rgba(255, 59, 48, 0.35);
}

.btn-success {
  background: var(--color-success);
  color: #FFFFFF;
}

.btn-success:hover {
  background: color-mix(in srgb, var(--color-success) 88%, #000);
}

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

.btn-ghost:hover {
  background: var(--fill-quaternary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: rgba(0, 122, 255, 0.06);
}

.btn-outline-danger {
  background: transparent;
  color: var(--color-danger);
  border: 1.5px solid var(--color-danger);
}

.btn-outline-danger:hover {
  background: rgba(255, 59, 48, 0.06);
}

/* Loading state */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: var(--radius-full);
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* ── Section Group (iOS grouped style) ───────────────────── */
.section-group {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-4);
}

.section-group-header {
  padding: var(--space-3) var(--space-4) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--label-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-group-footer {
  padding: var(--space-2) var(--space-4) var(--space-3);
  font-size: var(--text-xs);
  color: var(--label-tertiary);
  line-height: 1.4;
}

.section-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  min-height: 44px;
  border-bottom: 0.5px solid var(--separator);
  transition: background var(--duration-fast) var(--ease);
  text-decoration: none;
  color: var(--label-primary);
}

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

.section-row--tappable {
  cursor: pointer;
}

.section-row--tappable:hover {
  background: var(--fill-quaternary);
}

.section-row--tappable:active {
  background: var(--fill-secondary);
}

.section-row__icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 15px;
}

.section-row__icon--blue   { background: var(--color-primary);  color: #fff; }
.section-row__icon--green  { background: var(--color-success);  color: #fff; }
.section-row__icon--orange { background: var(--color-warning);  color: #fff; }
.section-row__icon--red    { background: var(--color-danger);   color: #fff; }
.section-row__icon--purple { background: var(--color-purple);   color: #fff; }

.section-row__body {
  flex: 1;
  min-width: 0;
}

.section-row__label {
  font-size: var(--text-base);
  color: var(--label-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-row__detail {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.section-row__value {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  flex-shrink: 0;
}

.section-row__chevron {
  color: var(--label-quaternary);
  flex-shrink: 0;
}

/* ── Wizard Step ──────────────────────────────────────────── */
.wizard {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.wizard-steps {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-5);
  gap: 0;
  counter-reset: wizard-counter;
}

.wizard-step {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  counter-increment: wizard-counter;
}

.wizard-step:last-child {
  flex: 0;
}

.wizard-step__indicator {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
  transition: background var(--duration-base) var(--ease),
              color var(--duration-base) var(--ease),
              box-shadow var(--duration-base) var(--ease);
  position: relative;
  z-index: 1;
}

.wizard-step__indicator::before {
  content: counter(wizard-counter);
}

/* pending */
.wizard-step .wizard-step__indicator {
  background: var(--fill-secondary);
  color: var(--label-tertiary);
}

/* active */
.wizard-step--active .wizard-step__indicator {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.20);
}

/* completed */
.wizard-step--done .wizard-step__indicator {
  background: var(--color-success);
  color: #fff;
}

.wizard-step--done .wizard-step__indicator::before {
  content: "✓";
}

/* error */
.wizard-step--error .wizard-step__indicator {
  background: var(--color-danger);
  color: #fff;
}

.wizard-step--error .wizard-step__indicator::before {
  content: "!";
}

.wizard-step__connector {
  flex: 1;
  height: 2px;
  background: var(--fill-secondary);
  margin: 0 var(--space-2);
  border-radius: 1px;
  transition: background var(--duration-base) var(--ease);
}

.wizard-step--done + .wizard-step .wizard-step__connector,
.wizard-step--done .wizard-step__connector {
  background: var(--color-success);
}

.wizard-step__label {
  display: none;
}

/* Show labels on wider screens */
@media (min-width: 640px) {
  .wizard-step {
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
  }

  .wizard-step__connector {
    display: none;
  }

  .wizard-steps {
    gap: var(--space-2);
  }

  .wizard-step__label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--label-tertiary);
    text-align: center;
    white-space: nowrap;
  }

  .wizard-step--active .wizard-step__label {
    color: var(--color-primary);
    font-weight: var(--weight-semibold);
  }

  .wizard-step--done .wizard-step__label {
    color: var(--color-success);
  }

  .wizard-step::after {
    content: "";
    position: absolute;
    top: 14px;
    left: calc(50% + 18px);
    right: calc(-50% + 18px);
    height: 2px;
    background: var(--fill-secondary);
  }
}

.wizard-panel {
  display: none;
}

.wizard-panel--active {
  display: block;
  animation: wizard-in var(--duration-base) var(--ease);
}

@keyframes wizard-in {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.wizard-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-top: 0.5px solid var(--separator);
}

/* ── Timeline ─────────────────────────────────────────────── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: var(--space-2) 0;
}

.timeline-item {
  display: flex;
  gap: var(--space-4);
  position: relative;
  padding-bottom: var(--space-5);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item__left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 32px;
}

.timeline-item__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--fill-primary);
  border: 2px solid var(--bg-primary);
  flex-shrink: 0;
  z-index: 1;
  transition: background var(--duration-fast) var(--ease);
}

.timeline-item--success .timeline-item__dot { background: var(--color-success); }
.timeline-item--warning .timeline-item__dot { background: var(--color-warning); }
.timeline-item--danger  .timeline-item__dot { background: var(--color-danger);  }
.timeline-item--info    .timeline-item__dot { background: var(--color-primary); }

.timeline-item__line {
  flex: 1;
  width: 1.5px;
  background: var(--separator);
  margin-top: 4px;
  min-height: var(--space-5);
}

.timeline-item:last-child .timeline-item__line {
  display: none;
}

.timeline-item__body {
  flex: 1;
  padding-top: 0;
  min-width: 0;
}

.timeline-item__header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.timeline-item__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
  line-height: 1.3;
}

.timeline-item__time {
  font-size: var(--text-xs);
  color: var(--label-tertiary);
  white-space: nowrap;
  margin-left: auto;
}

.timeline-item__content {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  margin-top: var(--space-1);
  line-height: 1.5;
}

.timeline-item__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  flex-wrap: wrap;
}

/* ── Form Elements ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--label-secondary);
}

.form-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-4);
  background: var(--bg-tertiary);
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--label-primary);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease),
              background var(--duration-fast) var(--ease);
  -webkit-appearance: none;
}

.form-input::placeholder {
  color: var(--label-quaternary);
}

.form-input:focus {
  background: var(--bg-secondary);
  border-color: var(--color-primary);
}

.form-input--error {
  border-color: var(--color-danger);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--label-tertiary);
  line-height: 1.4;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  font-weight: var(--weight-medium);
}

.form-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-8);
}

textarea.form-input {
  height: auto;
  padding: var(--space-3) var(--space-4);
  resize: vertical;
  min-height: 100px;
}

/* ── Search Bar ───────────────────────────────────────────── */
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar__icon {
  position: absolute;
  left: var(--space-3);
  color: var(--label-tertiary);
  pointer-events: none;
  z-index: 1;
}

.search-bar__input {
  width: 100%;
  height: 36px;
  padding: 0 var(--space-4) 0 var(--space-8);
  background: var(--fill-secondary);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--label-primary);
  outline: none;
  transition: background var(--duration-fast) var(--ease);
  -webkit-appearance: none;
}

.search-bar__input::placeholder {
  color: var(--label-tertiary);
}

.search-bar__input:focus {
  background: var(--fill-primary);
}

/* ── Progress Bar ─────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--fill-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  transition: width var(--duration-slow) var(--ease);
}

.progress-bar--success .progress-bar__fill { background: var(--color-success); }
.progress-bar--warning .progress-bar__fill { background: var(--color-warning); }
.progress-bar--danger  .progress-bar__fill { background: var(--color-danger);  }

/* ── Skeleton Loading ─────────────────────────────────────── */
.skeleton {
  background: var(--fill-secondary);
  border-radius: var(--radius-sm);
  animation: skeleton-pulse 1.4s ease-in-out infinite;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  gap: var(--space-4);
}

.empty-state__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--fill-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--label-tertiary);
}

.empty-state__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
}

.empty-state__body {
  font-size: var(--text-base);
  color: var(--label-secondary);
  max-width: 300px;
  line-height: 1.5;
}

/* ── Stat Row ─────────────────────────────────────────────── */
.stat-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 0.5px solid var(--separator);
}

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

.stat-row__label {
  font-size: var(--text-sm);
  color: var(--label-secondary);
  flex: 1;
}

.stat-row__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
  font-family: var(--font-mono);
}

.stat-row__bar {
  width: 80px;
  flex-shrink: 0;
}

/* ── Code Block ───────────────────────────────────────────── */
.code-block {
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--label-primary);
  border: 0.5px solid var(--separator);
  position: relative;
}

.code-block pre {
  margin: 0;
  white-space: pre;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--fill-tertiary);
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  color: var(--label-primary);
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 0.5px solid var(--separator);
}

.card-title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--label-primary);
  letter-spacing: -0.2px;
}

.card-body {
  padding: var(--space-5);
}

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 0.5px solid var(--separator);
  background: var(--fill-quaternary);
}

/* ── Context Menu / Dropdown ──────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 0.5px solid var(--separator);
  z-index: 500;
  overflow: hidden;

  opacity: 0;
  transform: scale(0.94) translateY(-6px);
  pointer-events: none;
  transform-origin: top right;
  transition: opacity var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease-spring);
}

.dropdown-menu.open {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: all;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--label-primary);
  cursor: pointer;
  border-bottom: 0.5px solid var(--separator);
  transition: background var(--duration-fast) var(--ease);
  text-decoration: none;
}

.dropdown-item:last-child { border-bottom: none; }

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

.dropdown-item--danger { color: var(--color-danger); }

.dropdown-separator {
  height: 0.5px;
  background: var(--separator);
}

/* ── Tab Bar (mobile bottom navigation) ─────────────────── */
.tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--tab-bar-height);
  padding-bottom: env(safe-area-inset-bottom, 16px);
  background: rgba(242, 242, 247, 0.92);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-top: 0.5px solid var(--separator);
  z-index: 200;
}

@media (prefers-color-scheme: dark) {
  .tab-bar {
    background: rgba(28, 28, 30, 0.92);
  }
}

.tab-bar-inner {
  display: flex;
  align-items: center;
  height: calc(var(--tab-bar-height) - env(safe-area-inset-bottom, 16px));
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: var(--space-1) 0;
  cursor: pointer;
  color: var(--label-tertiary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease);
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.tab-item.active {
  color: var(--color-primary);
}

.tab-item__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.tab-item:active .tab-item__icon {
  transform: scale(0.88);
}

.tab-item__label {
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.1px;
  line-height: 1;
}

.tab-item__badge {
  position: absolute;
  top: 4px;
  left: calc(50% + 6px);
}

/* ── Utility Classes ──────────────────────────────────────── */
.text-primary    { color: var(--color-primary) !important; }
.text-success    { color: var(--color-success) !important; }
.text-warning    { color: var(--color-warning) !important; }
.text-danger     { color: var(--color-danger)  !important; }
.text-secondary  { color: var(--label-secondary) !important; }
.text-tertiary   { color: var(--label-tertiary)  !important; }

.text-xs    { font-size: var(--text-xs) !important; }
.text-sm    { font-size: var(--text-sm) !important; }
.text-base  { font-size: var(--text-base) !important; }
.text-md    { font-size: var(--text-md) !important; }
.text-lg    { font-size: var(--text-lg) !important; }

.font-regular  { font-weight: var(--weight-regular) !important; }
.font-medium   { font-weight: var(--weight-medium) !important; }
.font-semibold { font-weight: var(--weight-semibold) !important; }
.font-bold     { font-weight: var(--weight-bold) !important; }
.font-mono     { font-family: var(--font-mono) !important; }

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }

.m-0 { margin: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

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

/* ── Scrollbars ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--fill-secondary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--fill-primary);
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

.animate-fade-in  { animation: fade-in  var(--duration-base) var(--ease) both; }
.animate-slide-up { animation: slide-up var(--duration-base) var(--ease) both; }
.animate-scale-in { animation: scale-in var(--duration-base) var(--ease-spring) both; }

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Responsive: Tablet (≤ 1024px) ───────────────────────── */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 200px;
  }
}

/* ── Responsive: Mobile (≤ 767px) ────────────────────────── */
@media (max-width: 767px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

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

  .main-content {
    margin-left: 0;
    padding-bottom: var(--tab-bar-height);
  }

  .tab-bar {
    display: block;
  }

  .page-body {
    padding: var(--space-4);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .modal {
    max-width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    margin: auto 0 0;
  }

  .modal-overlay {
    align-items: flex-end;
  }

  .modal-overlay .modal {
    transform: translateY(100%);
  }

  .modal-overlay.open .modal {
    transform: translateY(0);
  }

  .toast-container {
    top: auto;
    bottom: calc(var(--tab-bar-height) + var(--space-3));
    right: var(--space-3);
    left: var(--space-3);
    max-width: 100%;
    width: auto;
  }

  .table-ios {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .wizard-step__label { display: none; }
}

/* ── Responsive: Large (≥ 1280px) ────────────────────────── */
@media (min-width: 1280px) {
  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 199;
  opacity: 0;
  transition: opacity var(--transition);
}

@media (max-width: 767px) {
  .sidebar-overlay {
    display: block;
  }

  .sidebar-overlay.open {
    opacity: 1;
  }
}