/*
 * Blink Desktop — Windows 11 Fluent design tokens
 * Runtime settings may override any token on .desktop-shell.
 */

:root {
  color-scheme: dark;

  /* Typography */
  --font-ui: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "Cascadia Code", "Cascadia Mono", Consolas, monospace;
  --font-size-caption: 12px;
  --font-size-body: 14px;
  --font-size-subtitle: 16px;
  --font-size-title: 20px;
  --font-size-display: 28px;
  --font-weight-regular: 400;
  --font-weight-medium: 600;
  --font-weight-semibold: 650;

  /* Wallpaper */
  --wallpaper-base: #07182e;
  --wallpaper-deep: #061323;
  --wallpaper-blue: #0a5aa8;
  --wallpaper-cyan: #27b2d2;
  --wallpaper-glow: #6bdcf0;
  --wallpaper-vignette: rgba(1, 9, 22, 0.56);

  /* Text */
  --text-primary: rgba(255, 255, 255, 0.96);
  --text-secondary: rgba(255, 255, 255, 0.72);
  --text-tertiary: rgba(255, 255, 255, 0.52);
  --text-disabled: rgba(255, 255, 255, 0.36);
  --text-on-accent: #ffffff;
  --text-on-light: #151515;

  /* Windows and acrylic surfaces */
  --surface-window: rgba(31, 35, 42, 0.94);
  --surface-window-inactive: rgba(34, 38, 45, 0.91);
  --surface-titlebar: rgba(41, 45, 53, 0.88);
  --surface-titlebar-inactive: rgba(43, 47, 54, 0.8);
  --surface-layer: rgba(255, 255, 255, 0.055);
  --surface-layer-hover: rgba(255, 255, 255, 0.09);
  --surface-layer-pressed: rgba(255, 255, 255, 0.045);
  --surface-layer-selected: rgba(45, 157, 240, 0.2);
  --surface-card: rgba(255, 255, 255, 0.06);
  --surface-card-solid: #292d34;
  --surface-taskbar: rgba(20, 27, 35, 0.76);
  --surface-start: rgba(31, 38, 47, 0.91);
  --surface-menu: rgba(37, 43, 51, 0.94);
  --surface-input: rgba(255, 255, 255, 0.075);
  --surface-overlay: rgba(0, 7, 17, 0.68);

  /* Accent and semantic colors */
  --accent: #0b7bd4;
  --accent-hover: #1688df;
  --accent-pressed: #0769b7;
  --accent-subtle: rgba(29, 145, 230, 0.18);
  --accent-border: rgba(110, 201, 255, 0.72);
  --focus-ring: #9bd4ff;
  --selection-bg: rgba(0, 103, 192, 0.74);
  --selection-text: #ffffff;
  --success: #6ccb5f;
  --warning: #f8c146;
  --danger: #d83b3e;
  --danger-hover: #c42b1c;
  --danger-pressed: #a9271b;

  /* Lines */
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-default: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.24);
  --border-window: rgba(255, 255, 255, 0.17);
  --border-window-inactive: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(81, 178, 242, 0.62);

  /* Geometry */
  --titlebar-height: 40px;
  --taskbar-height: 48px;
  --taskbar-safe-area: env(safe-area-inset-bottom, 0px);
  --taskbar-total-height: calc(var(--taskbar-height) + var(--taskbar-safe-area));
  --desktop-gutter: 10px;
  --icon-size: 48px;
  --icon-cell-width: 88px;
  --icon-cell-height: 94px;
  --window-min-width: 360px;
  --window-min-height: 240px;
  --start-menu-width: 640px;
  --start-menu-height: 640px;
  --start-menu-gap: 12px;
  --resize-handle-size: 8px;

  /* Radius */
  --radius-control: 6px;
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-window: 10px;
  --radius-panel: 12px;
  --radius-large: 18px;
  --radius-round: 999px;

  /* Elevation */
  --shadow-flyout:
    0 20px 48px rgba(0, 0, 0, 0.42),
    0 3px 12px rgba(0, 0, 0, 0.28);
  --shadow-window:
    0 28px 64px rgba(0, 0, 0, 0.47),
    0 8px 22px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
  --shadow-window-inactive:
    0 14px 36px rgba(0, 0, 0, 0.34),
    0 4px 12px rgba(0, 0, 0, 0.24);
  --shadow-control: 0 1px 2px rgba(0, 0, 0, 0.26);
  --shadow-icon: 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-text: 0 1px 3px rgba(0, 0, 0, 0.9);

  /* Materials */
  --blur-taskbar: 26px;
  --blur-panel: 38px;
  --saturate-panel: 145%;
  --noise-opacity: 0.025;
  --control-hover: rgba(255, 255, 255, 0.09);
  --control-pressed: rgba(255, 255, 255, 0.055);
  --track-unfilled: rgba(255, 255, 255, 0.18);
  --icon-well: rgba(255, 255, 255, 0.08);
  --toast-surface: rgba(44, 44, 44, 0.94);
  --toast-highlight: rgba(255, 255, 255, 0.05);
  --toast-shadow:
    0 8px 28px rgba(0, 0, 0, 0.38),
    0 2px 6px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);

  /* Motion */
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-emphasized: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-exit: cubic-bezier(0.7, 0, 0.84, 0);
  --duration-fast: 90ms;
  --duration-medium: 170ms;
  --duration-slow: 260ms;

  /* Layering */
  --z-wallpaper: 0;
  --z-desktop: 10;
  --z-window-base: 100;
  --z-window-active: 1000;
  --z-taskbar: 3000;
  --z-start: 4000;
  --z-context: 5000;
  --z-tooltip: 6000;
  --z-overlay: 9000;
  --z-boot: 10000;
}

.desktop-shell {
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
}

.desktop-shell[data-theme="light"] {
  color-scheme: light;
  --text-primary: #1a1a1a;
  --text-secondary: rgba(26, 26, 26, 0.72);
  --text-tertiary: rgba(26, 26, 26, 0.54);
  --text-disabled: rgba(26, 26, 26, 0.38);
  --text-on-light: #151515;
  --surface-window: rgba(252, 252, 252, 0.96);
  --surface-window-inactive: rgba(246, 246, 246, 0.94);
  --surface-titlebar: rgba(255, 255, 255, 0.94);
  --surface-titlebar-inactive: rgba(246, 246, 246, 0.9);
  --surface-layer: rgba(0, 0, 0, 0.04);
  --surface-layer-hover: rgba(0, 0, 0, 0.07);
  --surface-layer-pressed: rgba(0, 0, 0, 0.035);
  --surface-layer-selected: rgba(0, 103, 192, 0.14);
  --surface-card: rgba(255, 255, 255, 0.88);
  --surface-card-solid: #ffffff;
  --surface-taskbar: rgba(243, 246, 249, 0.88);
  --surface-start: rgba(248, 250, 252, 0.94);
  --surface-menu: rgba(255, 255, 255, 0.96);
  --surface-input: #ffffff;
  --surface-overlay: rgba(255, 255, 255, 0.38);
  --accent: #0b6cbd;
  --accent-hover: #1578c8;
  --accent-pressed: #095ea3;
  --accent-subtle: rgba(11, 108, 189, 0.12);
  --accent-border: rgba(11, 108, 189, 0.5);
  --focus-ring: #0b6cbd;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-default: rgba(0, 0, 0, 0.14);
  --border-strong: rgba(0, 0, 0, 0.22);
  --border-window: rgba(0, 0, 0, 0.16);
  --border-window-inactive: rgba(0, 0, 0, 0.1);
  --shadow-flyout:
    0 18px 42px rgba(0, 0, 0, 0.16),
    0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-window:
    0 24px 52px rgba(0, 0, 0, 0.18),
    0 6px 16px rgba(0, 0, 0, 0.1);
  --shadow-window-inactive:
    0 12px 28px rgba(0, 0, 0, 0.12),
    0 3px 8px rgba(0, 0, 0, 0.08);
  --shadow-control: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-icon: 0 4px 12px rgba(0, 0, 0, 0.16);
  --control-hover: rgba(0, 0, 0, 0.06);
  --control-pressed: rgba(0, 0, 0, 0.04);
  --track-unfilled: rgba(0, 0, 0, 0.14);
  --icon-well: rgba(0, 0, 0, 0.06);
  --toast-surface: rgba(255, 255, 255, 0.96);
  --toast-highlight: rgba(255, 255, 255, 0.72);
  --toast-shadow:
    0 10px 32px rgba(0, 0, 0, 0.16),
    0 2px 8px rgba(0, 0, 0, 0.08);
}

.desktop-shell[data-icon-size="small"] {
  --icon-size: 38px;
  --icon-cell-width: 76px;
  --icon-cell-height: 82px;
}

.desktop-shell[data-icon-size="large"] {
  --icon-size: 58px;
  --icon-cell-width: 104px;
  --icon-cell-height: 108px;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .desktop-shell {
    --surface-window: rgba(30, 35, 43, 0.83);
    --surface-titlebar: rgba(37, 42, 50, 0.74);
    --surface-taskbar: rgba(16, 23, 32, 0.62);
    --surface-start: rgba(28, 35, 44, 0.8);
    --surface-menu: rgba(33, 40, 49, 0.86);
  }

  .desktop-shell[data-theme="light"] {
    --surface-window: rgba(252, 252, 252, 0.9);
    --surface-titlebar: rgba(255, 255, 255, 0.84);
    --surface-taskbar: rgba(243, 247, 250, 0.78);
    --surface-start: rgba(248, 250, 252, 0.88);
    --surface-menu: rgba(255, 255, 255, 0.9);
    --toast-surface: rgba(255, 255, 255, 0.9);
  }
}

@media (forced-colors: active) {
  :root {
    --text-primary: CanvasText;
    --text-secondary: CanvasText;
    --text-tertiary: GrayText;
    --surface-window: Canvas;
    --surface-titlebar: Canvas;
    --surface-taskbar: Canvas;
    --surface-start: Canvas;
    --surface-menu: Canvas;
    --surface-card: Canvas;
    --surface-input: Field;
    --border-subtle: ButtonBorder;
    --border-default: ButtonBorder;
    --border-strong: CanvasText;
    --accent: Highlight;
    --text-on-accent: HighlightText;
    --focus-ring: Highlight;
    --shadow-flyout: none;
    --shadow-window: none;
    --shadow-window-inactive: none;
  }
}