/* ══ AI 员工集群 · 设计系统 ══════════════════════════════ */

:root {
  /* 浅色主题：白底为主，保留品牌青/靛作为强调色 */
  --bg:        #f6f8fc;
  --bg-2:      #eef2f9;
  --bg-3:      #e6ecf6;
  --surface:   #ffffff;
  --surface-2: #f2f5fa;
  --border:    rgba(15, 30, 60, .10);
  --border-2:  rgba(15, 30, 60, .18);

  --text:      #101828;
  --text-2:    #45536b;
  --muted:     #7b8AA3;

  --teal:      #0d9488;
  --indigo:    #4f46e5;
  --violet:    #7c3aed;
  --amber:     #b45309;
  --rose:      #e11d48;
  --emerald:   #059669;

  --accent:    var(--teal);
  --grad:      linear-gradient(120deg, #0d9488 0%, #4f46e5 55%, #7c3aed 100%);
  --grad-soft: linear-gradient(120deg, rgba(13,148,136,.10), rgba(79,70,229,.10));

  --r-sm: 8px; --r: 14px; --r-lg: 20px; --r-xl: 28px;
  --sp: 8px;

  --shadow:    0 6px 20px -8px rgba(16, 32, 64, .18);
  --shadow-lg: 0 20px 48px -18px rgba(16, 32, 64, .28);
  --glow:      0 0 0 1px rgba(13,148,136,.28), 0 0 24px -8px rgba(13,148,136,.35);

  --ease: cubic-bezier(.22,1,.36,1);
  --ease-io: cubic-bezier(.65,0,.35,1);

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

a { color: var(--teal); text-decoration: none; transition: color .2s; }
a:hover { color: #99f6e4; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }

img, canvas { display: block; max-width: 100%; }
/* svg 只在顶层限制宽度；内联图形（图标、场景）不受影响 */
svg { display: block; }
img, canvas, svg:not(.ic):not(.av):not(.office-svg) { max-width: 100%; }

::selection { background: rgba(13,148,136,.20); color: #06251f; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(15,30,60,.18); border-radius: 99px;
  border: 2px solid transparent; background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(15,30,60,.30); background-clip: content-box; }

:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; border-radius: 4px; }

/* ── 通用零件 ─────────────────────────────── */

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.glass {
  background: rgba(255,255,255,.82);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-radius: var(--r-lg);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: .01em;
  background: var(--surface-2); border: 1px solid var(--border-2); color: var(--text);
  transition: transform .18s var(--ease), background .18s, border-color .18s, box-shadow .25s;
  white-space: nowrap;
}
.btn:hover  { background: var(--bg-2); border-color: var(--border-2); transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(.985); }
.btn:disabled { opacity: .45; pointer-events: none; }

.btn-primary {
  background: var(--grad); color: #ffffff; border-color: transparent;
  box-shadow: 0 6px 18px -8px rgba(79,70,229,.55);
}
.btn-primary:hover { background: var(--grad); filter: brightness(1.06); box-shadow: 0 12px 26px -8px rgba(79,70,229,.65); }
.btn-ghost  { background: transparent; border-color: var(--border); }
.btn-danger { border-color: rgba(251,113,133,.35); color: var(--rose); }
.btn-danger:hover { background: rgba(225,29,72,.08); border-color: rgba(225,29,72,.45); }
.btn-sm { padding: 7px 13px; font-size: 12.5px; border-radius: 8px; }

.field { display: grid; gap: 7px; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--text-2); letter-spacing: .02em; }
.input {
  width: 100%; padding: 12px 14px;
  background: #fff; border: 1px solid var(--border-2);
  border-radius: 10px; font-size: 14.5px;
  transition: border-color .2s, background .2s, box-shadow .25s;
}
.input::placeholder { color: var(--muted); }
.input:focus {
  outline: none; border-color: var(--teal);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(13,148,136,.14);
}

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 99px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .03em;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); white-space: nowrap;
}
.pill.ok      { color: var(--emerald); border-color: rgba(5,150,105,.28);  background: rgba(5,150,105,.10); }
.pill.busy    { color: var(--teal);    border-color: rgba(13,148,136,.30); background: rgba(13,148,136,.10); }
.pill.warn    { color: var(--amber);   border-color: rgba(180,83,9,.28);   background: rgba(180,83,9,.10); }
.pill.bad     { color: var(--rose);    border-color: rgba(225,29,72,.28);  background: rgba(225,29,72,.09); }
.pill.offline { color: var(--muted);   border-color: var(--border); }

.mono { font-family: var(--mono); font-size: .92em; letter-spacing: -.01em; }

.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(15,30,60,.14); border-top-color: var(--teal);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── 全局背景层 ───────────────────────────── */
.backdrop { position: fixed; inset: 0; z-index: -2; background: var(--bg); }
.backdrop canvas { width: 100%; height: 100%; display: block; }

.backdrop-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(79,70,229,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79,70,229,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 78%);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
}

/* ── 品牌标识：图标与文字必须同一行 ─────────
   全局 `svg { display:block }` 会让 logo 的 SVG 独占一行，
   把顶栏白白撑高一倍（实测 54px vs 应有的 28px）。 */
.brand {
  display: inline-flex !important; align-items: center; gap: 8px;
  font-weight: 700; letter-spacing: -.01em;
  white-space: nowrap; flex: none;
}
.brand > svg { display: inline-block; flex: none; }
.brand span { white-space: nowrap; line-height: 1; }

/* hidden 必须压过一切 display。
   .btn 是 inline-flex、.empty 是 grid、.actions 是 flex ——
   只要给这些元素加 hidden，不写这一条它照样显示。本项目已经栽过三次。 */
[hidden] { display: none !important; }