/* BioStudio AI — base reset + design tokens (Windows 11) */

:root {
  --accent: #2f6bff;
  --accent-soft: color-mix(in srgb, var(--accent) 20%, transparent);

  --ink: #1b1b1f;
  --ink-soft: #5d6470;

  /* Aliases used by apps (ELN, search, graph) that predate the OS token names.
     Keep these pointing at the live shell tokens so theme switches propagate. */
  --text: var(--ink);
  --muted: var(--ink-soft);
  --surface: var(--win-body-bg, #fbfbfd);
  --border: var(--win-border, rgba(20, 30, 50, 0.12));

  --radius: 8px;
  --shell-scale: 1;
  --taskbar-h: clamp(42px, calc(48px * var(--shell-scale)), 54px);
  /* Space reserved below windows for the taskbar/dock (may exceed --taskbar-h
     when the dock floats above the bottom edge). */
  --taskbar-clearance: var(--taskbar-h);
  /* Extra inset when the browser window extends under the OS dock/taskbar. */
  --os-system-dock-clearance: 0px;
  --desktop-pad: clamp(8px, calc(16px * var(--shell-scale)), 18px);
  --desktop-icon-glyph-large: clamp(38px, calc(50px * var(--shell-scale)), 54px);
  --desktop-icon-width-large: clamp(78px, calc(100px * var(--shell-scale)), 106px);
  --desktop-icon-cell-large: calc(var(--desktop-icon-width-large) + 36px);
  --desktop-icon-row-large: clamp(96px, calc(122px * var(--shell-scale)), 130px);
  --desktop-icon-glyph-medium: clamp(30px, calc(38px * var(--shell-scale)), 42px);
  --desktop-icon-width-medium: clamp(68px, calc(86px * var(--shell-scale)), 92px);
  --desktop-icon-cell-medium: calc(var(--desktop-icon-width-medium) + 36px);
  --desktop-icon-row-medium: clamp(86px, calc(106px * var(--shell-scale)), 114px);
  --desktop-icon-glyph-small: clamp(24px, calc(28px * var(--shell-scale)), 32px);
  --desktop-icon-width-small: clamp(58px, calc(74px * var(--shell-scale)), 80px);
  --desktop-icon-cell-small: calc(var(--desktop-icon-width-small) + 36px);
  --desktop-icon-row-small: clamp(76px, calc(92px * var(--shell-scale)), 100px);
  --desktop-icon-label: clamp(10px, calc(12px * var(--shell-scale)), 13px);
  --desktop-icon-label-large: clamp(11px, calc(13px * var(--shell-scale)), 14px);
  --desktop-icon-label-small: clamp(9.5px, calc(11px * var(--shell-scale)), 12px);
  --window-titlebar-h: clamp(34px, calc(40px * var(--shell-scale)), 42px);
  --window-control-w: clamp(38px, calc(46px * var(--shell-scale)), 50px);
  --window-min-w: min(260px, calc(100vw - 16px));
  --window-min-h: min(180px, calc(100vh - var(--taskbar-h) - 16px));
  --taskbar-button: clamp(36px, calc(40px * var(--shell-scale)), 44px);
  --taskbar-icon: clamp(20px, calc(24px * var(--shell-scale)), 26px);

  --font: "Segoe UI Variable Display", "Segoe UI Variable", "Segoe UI",
    system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* taskbar */
  --taskbar-bg: rgba(243, 244, 248, 0.72);
  --taskbar-border: rgba(255, 255, 255, 0.4);
  --tb-hover: rgba(0, 0, 0, 0.06);
  --tb-active: rgba(0, 0, 0, 0.045);
}

@media (min-width: 1600px) and (min-height: 900px) {
  :root { --shell-scale: 1.08; }
}

@media (max-width: 1100px), (max-height: 700px) {
  :root { --shell-scale: 0.92; }
}

@media (max-width: 760px), (max-height: 560px) {
  :root { --shell-scale: 0.84; }
}

@media (max-width: 430px) {
  :root { --shell-scale: 0.78; }
}

.dark {
  --ink: #f3f3f5;
  --ink-soft: #a9b0bd;
  --text: var(--ink);
  --muted: var(--ink-soft);
  --surface: var(--win-body-bg, #1f1f25);
  --border: var(--win-border, rgba(255, 255, 255, 0.1));
  --taskbar-bg: rgba(30, 30, 36, 0.72);
  --taskbar-border: rgba(255, 255, 255, 0.08);
  --tb-hover: rgba(255, 255, 255, 0.08);
  --tb-active: rgba(255, 255, 255, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* Ensure the [hidden] attribute always wins over author display rules. */
[hidden] { display: none !important; }

html, body { height: 100%; overflow: hidden; }

html.shell-mobile,
html.shell-mobile body,
#os.shell-mobile {
  height: 100dvh;
  min-height: 100dvh;
}

body {
  font-family: var(--font);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  user-select: text;
  -webkit-user-select: text;
}

/* Opt-out for drag handles, canvases during move, and other interactive chrome. */
.no-select,
.no-select * {
  user-select: none;
  -webkit-user-select: none;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-thumb {
  background: rgba(120, 130, 150, 0.4);
  border-radius: 8px;
  border: 3px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(120, 130, 150, 0.6); background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

/* Icon helper rendering */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  width: 1.2em;
  height: 1.2em;
  line-height: 1;
  flex: 0 0 auto;
}
.icon svg { width: 100%; height: 100%; display: block; }
.icon.icon-emoji { font-style: normal; }

/* Shared "account" flyout (js/core/user-flyout.js) — the panel dropped by
   every OS-style dashboard's top-right user button. Token-driven so it
   matches whatever theme/dark-mode is active without per-theme CSS;
   callers only add a positioning rule for their own wrapper class (see
   `.bsx-user-flyout` / `.bs2-user-flyout`). */
.user-flyout {
  z-index: 20;
  width: min(260px, 90vw);
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: user-flyout-in 0.14s ease;
}
@keyframes user-flyout-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
.user-flyout-head { display: flex; align-items: center; gap: 10px; }
.user-flyout-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: 700 12.5px var(--font);
}
.user-flyout-id { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.user-flyout-name {
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-flyout-email {
  font-size: 11.5px;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-flyout-actions {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}
.user-flyout-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border-radius: 9px;
  font: 600 12.5px var(--font);
  color: var(--ink);
  transition: background 0.12s ease;
}
.user-flyout-item:hover { background: var(--tb-hover, rgba(0, 0, 0, 0.06)); }
.user-flyout-item.danger { color: var(--danger, #e5484d); }

#os {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: background 0.6s ease;
}

/* Screen brightness dimmer driven by Quick Settings */
#os::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #000;
  opacity: calc(1 - var(--screen-dim, 1));
  pointer-events: none;
  z-index: 9990;
  transition: opacity 0.2s ease;
}

/* Windows 11-style "Bloom" wallpapers — original abstract gradients */
#os.wp-aurora {
  background:
    radial-gradient(1100px 760px at 72% 18%, rgba(120, 170, 255, 0.55), transparent 60%),
    radial-gradient(900px 700px at 24% 88%, rgba(170, 110, 255, 0.5), transparent 62%),
    radial-gradient(700px 600px at 50% 50%, rgba(80, 200, 255, 0.25), transparent 60%),
    linear-gradient(140deg, #0a1a45, #143084 48%, #2f6bff);
}
#os.wp-mint {
  background:
    radial-gradient(1000px 700px at 80% 12%, rgba(110, 255, 203, 0.5), transparent 60%),
    radial-gradient(800px 620px at 18% 90%, rgba(60, 230, 200, 0.4), transparent 62%),
    linear-gradient(140deg, #04332b, #0f9d76 60%, #43d6a6);
}
#os.wp-sunset {
  background:
    radial-gradient(1000px 700px at 22% 8%, rgba(255, 208, 107, 0.5), transparent 60%),
    radial-gradient(900px 700px at 82% 92%, rgba(255, 80, 140, 0.45), transparent 62%),
    linear-gradient(140deg, #34103c, #b5305f 46%, #ff6a3d);
}
#os.wp-midnight {
  background:
    radial-gradient(1100px 780px at 70% 12%, rgba(124, 92, 255, 0.45), transparent 60%),
    radial-gradient(800px 700px at 20% 92%, rgba(60, 90, 200, 0.4), transparent 62%),
    linear-gradient(160deg, #04050d, #121433 56%, #262a58);
}
#os.wp-biostudio {
  background:
    linear-gradient(90deg, rgba(3, 10, 24, 0.18), rgba(3, 10, 24, 0) 52%, rgba(3, 10, 24, 0.1)),
    url("../biostudio-branded-background-base.png") center / cover no-repeat,
    radial-gradient(1100px 760px at 78% 18%, rgba(34, 211, 238, 0.35), transparent 62%),
    linear-gradient(135deg, #020815, #071a2c 55%, #092f36);
}
.wallpaper-logo-layer {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.wallpaper-logo-layer.is-active {
  display: block;
}
.wallpaper-logo {
  position: absolute;
  background: url("../icons/logo-mark.svg") center / contain no-repeat;
  transform-origin: center center;
  will-change: transform;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}
.wallpaper-logo-small {
  z-index: 2;
}
.wallpaper-wordmark {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.12em;
  pointer-events: none;
  user-select: none;
  color: #fff;
  font-family: Manrope, "Avenir Next", "Segoe UI", sans-serif;
  text-align: right;
  line-height: 1;
  filter: drop-shadow(0 2px 14px rgba(2, 8, 23, 0.88));
}
.wallpaper-wordmark-title {
  font-weight: 700;
  font-size: var(--word-title, 102px);
  letter-spacing: -0.034em;
  white-space: nowrap;
}
.wallpaper-wordmark-title .ai {
  color: #2dd4bf;
}
.wallpaper-wordmark-rule {
  width: 74%;
  height: 3px;
  border-radius: 2px;
  background: #2dd4bf;
  opacity: 0.85;
}
.wallpaper-wordmark-url {
  font-weight: 600;
  font-size: var(--word-url, 32px);
  letter-spacing: 0.17em;
  color: #c9d6e8;
  white-space: nowrap;
}
.wallpaper-logo-splash {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#os.wallpaper-logo-hover-small .desktop-surface,
#os.wallpaper-logo-hover-big .desktop-surface {
  cursor: pointer;
}
#os.wp-biostudio.theme-macos {
  background-position: center;
}
/* macOS Big Sur / Sonoma-style layered sky wallpaper */
#os.wp-macos {
  background:
    radial-gradient(1200px 820px at 78% 8%, rgba(255, 160, 120, 0.55), transparent 58%),
    radial-gradient(1000px 760px at 18% 22%, rgba(255, 110, 170, 0.5), transparent 60%),
    radial-gradient(1100px 900px at 50% 100%, rgba(70, 120, 255, 0.6), transparent 62%),
    linear-gradient(160deg, #5a2a8f, #7b3fb0 30%, #c0517f 60%, #ff8a6a);
}
#os.wp-macos.dark {
  background:
    radial-gradient(1200px 820px at 78% 8%, rgba(120, 80, 200, 0.55), transparent 58%),
    radial-gradient(1000px 760px at 18% 22%, rgba(60, 70, 160, 0.55), transparent 60%),
    radial-gradient(1100px 900px at 50% 100%, rgba(30, 40, 110, 0.7), transparent 62%),
    linear-gradient(160deg, #0a0a1f, #16193b 45%, #221a44 70%, #3a2360);
}