:root {
  --color-bg-base: #F2F2F7;
  --color-bg-surface: #FFFFFF;
  --color-bg-surface-raised: #FFFFFF;
  --color-bg-overlay: rgba(116, 116, 128, 0.12);
  --color-bg-scrim: rgba(0, 0, 0, 0.45);
  --color-bg-blur: rgba(242, 242, 247, 0.72);

  --color-text-primary: #000000;
  --color-text-secondary: #3C3C43;
  --color-text-tertiary: rgba(60, 60, 67, 0.6);
  --color-text-disabled: rgba(60, 60, 67, 0.3);
  --color-text-inverse: #FFFFFF;
  --color-text-on-accent: #FFFFFF;

  --color-accent-primary: #007AFF;
  --color-accent-secondary: #5AC8FA;
  --color-accent-danger: #FF3B30;
  --color-accent-warning: #FF9500;
  --color-accent-success: #34C759;
  --color-accent-info: #5AC8FA;

  --color-border-subtle: rgba(60, 60, 67, 0.12);
  --color-border-default: rgba(60, 60, 67, 0.22);
  --color-border-strong: rgba(60, 60, 67, 0.36);

  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-shadow-strong: rgba(0, 0, 0, 0.18);

  --color-icon-primary: #000000;
  --color-icon-secondary: rgba(60, 60, 67, 0.6);
  --color-icon-on-accent: #FFFFFF;

  --color-toggle-track-off: rgba(120, 120, 128, 0.32);
  --color-toggle-track-on: #34C759;
  --color-toggle-thumb: #FFFFFF;

  --color-slider-track: rgba(116, 116, 128, 0.2);
  --color-slider-fill: #007AFF;
  --color-slider-thumb: #FFFFFF;

  --color-scrollbar-thumb: rgba(0, 0, 0, 0.18);

  --color-kbd-bg: #D1D5DB;
  --color-kbd-shadow: #FFFFFF;
  --color-kbd-text: #000000;

  --color-notification-badge: #FF3B30;
  --color-notification-badge-text: #FFFFFF;

  --color-skeleton: rgba(116, 116, 128, 0.12);
  --color-skeleton-shine: rgba(255, 255, 255, 0.6);

  --color-input-bg: #FFFFFF;
  --color-input-border: rgba(60, 60, 67, 0.2);
  --color-input-border-focus: #007AFF;
  --color-input-placeholder: rgba(60, 60, 67, 0.4);

  --color-divider: rgba(60, 60, 67, 0.12);
  --color-ripple: rgba(0, 0, 0, 0.06);
  --color-selection-bg: rgba(0, 122, 255, 0.2);
  --color-selection-text: #000000;
  --color-spinner: rgba(60, 60, 67, 0.5);

  --font-body: -apple-system, "SF Pro Text", "Helvetica Neue", sans-serif;
  --font-display: -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;
  --font-mono: "SF Mono", "Menlo", "Courier New", monospace;

  --icon-filter: none;
}

html {
  color-scheme: light;
}

body {
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
}

.nav-bar {
  background-color: rgba(242, 242, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.tab-bar {
  background-color: rgba(242, 242, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.notification-panel {
  background-color: rgba(242, 242, 247, 0.92);
  backdrop-filter: blur(40px) saturate(1.8);
  -webkit-backdrop-filter: blur(40px) saturate(1.8);
}

.notification-panel__time {
  color: #000000;
}

.notification-panel__date {
  color: rgba(60, 60, 67, 0.7);
}

.notification-card {
  background-color: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.quick-tile {
  background-color: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.dock__inner {
  background-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-color: rgba(255, 255, 255, 0.5);
}

.modal-sheet {
  background-color: #F2F2F7;
}

.modal-sheet__header {
  border-bottom: 0.5px solid var(--color-divider);
}

.alert-dialog__card {
  background-color: rgba(242, 242, 247, 0.95);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
}

.context-menu {
  background-color: rgba(242, 242, 247, 0.92);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
}

.lock-screen__time {
  color: #FFFFFF;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.lock-screen__date {
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.lock-screen__swipe-indicator {
  color: rgba(255, 255, 255, 0.8);
}

.numpad__key {
  background-color: rgba(255, 255, 255, 0.3);
  border-color: transparent;
  color: #FFFFFF;
}

.numpad__key:active {
  background-color: rgba(255, 255, 255, 0.15);
}

.numpad__key-letters {
  color: rgba(255, 255, 255, 0.75);
}

.pin-entry__dot {
  border-color: #FFFFFF;
}

.pin-entry__dot.filled {
  background-color: #FFFFFF;
}

.settings-screen {
  background-color: var(--color-bg-base);
}

.calc-screen {
  background-color: #1C1C1E;
}

.calc-display__expression {
  color: rgba(255, 255, 255, 0.5);
}

.calc-display__result {
  color: #FFFFFF;
}

.calc-key {
  background-color: #505050;
  color: #FFFFFF;
}

.calc-key--operator {
  background-color: #FF9F0A;
  color: #FFFFFF;
}

.calc-key--action {
  background-color: #A5A5A5;
  color: #000000;
}

.calc-key--equals {
  background-color: #FF9F0A;
  color: #FFFFFF;
}

.chat-bubble--outgoing {
  background-color: #007AFF;
}

.chat-bubble--incoming {
  background-color: #E9E9EB;
  color: #000000;
  border-color: transparent;
}

.chat-composer {
  background-color: #FFFFFF;
  border-top-color: rgba(60, 60, 67, 0.2);
}

.folder-overlay {
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(40px) saturate(1.4);
  -webkit-backdrop-filter: blur(40px) saturate(1.4);
}

.folder-overlay__grid {
  background-color: rgba(255, 255, 255, 0.25);
}

.maps-bottom-sheet {
  background-color: #FFFFFF;
}

.maps-search .search-bar {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.photo-viewer {
  background-color: #000000;
}

.toast {
  background-color: rgba(50, 50, 50, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.toast__text {
  color: #FFFFFF;
}

.browser-bar {
  background-color: rgba(242, 242, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.browser-tabs-bar {
  background-color: rgba(242, 242, 247, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.active-call {
  background-color: #1C1C1E;
}

.active-call__name {
  color: #FFFFFF;
}

.active-call__status {
  color: rgba(255, 255, 255, 0.6);
}

.active-call__ctrl-circle {
  background-color: rgba(255, 255, 255, 0.15);
}

.active-call__ctrl-label {
  color: rgba(255, 255, 255, 0.6);
}

.active-call__ctrl-circle img {
  filter: invert(1);
}

.music-player__progress-fill {
  background-color: #000000;
}

.scroll-to-top {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.segmented-control {
  background-color: rgba(116, 116, 128, 0.12);
}

.segmented-control__option.active {
  background-color: #FFFFFF;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1), 0 0 0 0.5px rgba(0, 0, 0, 0.04);
}

.stopwatch-btn--secondary {
  background-color: rgba(116, 116, 128, 0.18);
  border-color: transparent;
}

input[type="range"] {
  background: linear-gradient(
    to right,
    var(--color-slider-fill) 0%,
    var(--color-slider-fill) var(--slider-pct, 50%),
    var(--color-slider-track) var(--slider-pct, 50%),
    var(--color-slider-track) 100%
  );
}