/* ============================================================
   AURORA — Linear × Vercel × Apple Vision Pro
   Maximalist dashboard design system
   ============================================================ */

/* ---- TOKENS: LIGHT (Aurora Day) ---- */
:root, [data-theme="light"] {
  --bg: #FAFAF9;
  --bg-2: #F4F4F2;
  --surface: rgba(255,255,255,.72);
  --surface-solid: #FFFFFF;
  --surface-2: #F5F5F4;
  --surface-3: #EBEAE7;
  --surface-hover: #F0EFEC;
  --border: rgba(0,0,0,.07);
  --border-strong: rgba(0,0,0,.12);
  --border-h: rgba(0,0,0,.18);
  --text: #0A0A0A;
  --text-2: #525252;
  --text-3: #A3A3A3;
  --accent: #6366F1;          /* Indigo — Linear-y */
  --accent-2: #EC4899;        /* Pink — Aurora gradient */
  --accent-3: #06B6D4;        /* Cyan — Aurora gradient */
  --accent-h: #4F46E5;
  --accent-d: rgba(99,102,241,.08);
  --accent-subtle: rgba(99,102,241,.04);
  --green: #10B981;
  --green-d: rgba(16,185,129,.10);
  --amber: #F59E0B;
  --amber-d: rgba(245,158,11,.10);
  --red: #EF4444;
  --red-d: rgba(239,68,68,.10);
  --blue: #3B82F6;
  --blue-d: rgba(59,130,246,.10);
  --purple: #8B5CF6;
  --purple-d: rgba(139,92,246,.10);
  --shadow-xs: 0 1px 0 rgba(0,0,0,.03);
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 0 0 1px rgba(0,0,0,.02);
  --shadow-md: 0 4px 12px -2px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.03);
  --shadow-lg: 0 12px 32px -8px rgba(0,0,0,.10), 0 0 0 1px rgba(0,0,0,.03);
  --shadow-xl: 0 24px 48px -12px rgba(0,0,0,.16), 0 0 0 1px rgba(0,0,0,.04);
  --shadow-glow: 0 0 0 1px rgba(99,102,241,.20), 0 8px 32px -8px rgba(99,102,241,.30);
  --r: 14px;
  --r-lg: 20px;
  --rs: 10px;
  --transition-fast: .18s cubic-bezier(.4,0,.2,1);
  --transition-normal: .28s cubic-bezier(.4,0,.2,1);
  --transition-spring: .5s cubic-bezier(.34,1.56,.64,1);
  --focus-ring: 0 0 0 2px var(--surface-solid), 0 0 0 4px var(--accent);
  --font-sans: 'Geist','Noto Sans TC',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --font-mono: 'Geist Mono','JetBrains Mono',ui-monospace,monospace;
  --grid-color: rgba(0,0,0,.025);
  --aurora-1: rgba(99,102,241,.10);
  --aurora-2: rgba(236,72,153,.07);
  --aurora-3: rgba(6,182,212,.06);
  --aurora-4: rgba(245,158,11,.05);
}

/* ---- TOKENS: DARK (Aurora Night) ---- */
[data-theme="dark"] {
  --bg: #07070A;
  --bg-2: #0D0D11;
  --surface: rgba(20,20,24,.55);
  --surface-solid: #131318;
  --surface-2: #1A1A20;
  --surface-3: #232329;
  --surface-hover: #1E1E24;
  --border: rgba(255,255,255,.06);
  --border-strong: rgba(255,255,255,.10);
  --border-h: rgba(255,255,255,.18);
  --text: #FAFAF9;
  --text-2: #A8A8A8;
  --text-3: #6E6E72;
  --accent: #818CF8;
  --accent-2: #F472B6;
  --accent-3: #22D3EE;
  --accent-h: #A5B4FC;
  --accent-d: rgba(129,140,248,.14);
  --accent-subtle: rgba(129,140,248,.06);
  --green: #34D399;
  --green-d: rgba(52,211,153,.12);
  --amber: #FBBF24;
  --amber-d: rgba(251,191,36,.12);
  --red: #F87171;
  --red-d: rgba(248,113,113,.12);
  --blue: #60A5FA;
  --blue-d: rgba(96,165,250,.12);
  --purple: #A78BFA;
  --purple-d: rgba(167,139,250,.12);
  --shadow-xs: 0 1px 0 rgba(0,0,0,.4);
  --shadow: 0 1px 2px rgba(0,0,0,.5);
  --shadow-md: 0 4px 12px -2px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04);
  --shadow-lg: 0 12px 32px -8px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.04);
  --shadow-xl: 0 24px 48px -12px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.05);
  --shadow-glow: 0 0 0 1px rgba(129,140,248,.30), 0 8px 32px -8px rgba(129,140,248,.45);
  --grid-color: rgba(255,255,255,.025);
  --aurora-1: rgba(99,102,241,.16);
  --aurora-2: rgba(236,72,153,.12);
  --aurora-3: rgba(6,182,212,.10);
  --aurora-4: rgba(245,158,11,.08);
}

/* ---- RESET ---- */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
::selection { background:color-mix(in srgb, var(--accent) 30%, transparent); color:var(--text); }
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }
html { scroll-behavior:smooth; }

body {
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  line-height:1.55;
  font-size:14px;
  letter-spacing:-.005em;
  text-wrap:pretty;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-feature-settings:'cv11','ss01','ss03','tnum';
  transition:background var(--transition-normal), color var(--transition-normal);
  overflow-x:hidden;
}

/* ─── Aurora mesh background (animated) ─── */
body::before {
  content:'';
  position:fixed;
  inset:-20vh;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(ellipse 60% 45% at 18% 12%, var(--aurora-1), transparent 65%),
    radial-gradient(ellipse 55% 40% at 85% 25%, var(--aurora-2), transparent 60%),
    radial-gradient(ellipse 50% 38% at 50% 90%, var(--aurora-3), transparent 65%),
    radial-gradient(ellipse 45% 35% at 92% 88%, var(--aurora-4), transparent 60%);
  filter:blur(40px);
  animation:auroraDrift 24s ease-in-out infinite alternate;
  will-change:transform;
}
@keyframes auroraDrift {
  0%   { transform:translate(0,0) rotate(0deg); }
  50%  { transform:translate(-3%, 2%) rotate(.5deg); }
  100% { transform:translate(2%, -2%) rotate(-.5deg); }
}

/* ─── Subtle grain noise ─── */
body::after {
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.20;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .7 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
[data-theme="light"] body::after { opacity:.10; mix-blend-mode:multiply; }

/* ─── App shell with sidebar dock ─── */
.app {
  position:relative;
  z-index:1;
  max-width:1480px;
  margin:0 auto;
  padding:32px 40px 96px;
}

/* ─── SETUP overlay ─── */
.setup-overlay { position:fixed; inset:0; background:var(--bg); display:flex; align-items:center; justify-content:center; z-index:100; }
.setup-overlay::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse 70% 60% at 50% 30%, var(--aurora-1), transparent 60%), radial-gradient(ellipse 60% 50% at 50% 90%, var(--aurora-2), transparent 60%); pointer-events:none; }
.setup-card {
  position:relative;
  background:var(--surface);
  backdrop-filter:blur(24px) saturate(180%);
  -webkit-backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--border-strong);
  border-radius:24px;
  padding:48px 52px;
  width:560px; max-width:92vw;
  box-shadow:var(--shadow-xl);
}
.setup-card h1 {
  font-size:30px; font-weight:800; margin-bottom:10px;
  display:flex; align-items:center; gap:12px;
  letter-spacing:-1px; line-height:1.1;
  background:linear-gradient(135deg, var(--text) 30%, var(--accent) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.setup-card p { color:var(--text-2); font-size:14px; margin-bottom:28px; line-height:1.7; }
.field-label { font-size:11px; color:var(--text-2); text-transform:uppercase; letter-spacing:.6px; font-weight:600; margin-bottom:6px; }
.field-hint { font-size:11.5px; color:var(--text-3); margin-bottom:18px; line-height:1.5; }
.setup-input {
  width:100%; background:var(--surface-2); border:1px solid var(--border-strong);
  border-radius:var(--rs); color:var(--text);
  padding:12px 14px; font-family:var(--font-mono); font-size:13px;
  outline:none; margin-bottom:6px;
  transition:all var(--transition-fast);
}
.setup-input:focus { border-color:var(--accent); box-shadow:var(--focus-ring); background:var(--surface-solid); }
.setup-input::placeholder { color:var(--text-3); }
.btn-connect {
  width:100%; margin-top:28px; padding:14px;
  background:linear-gradient(135deg, var(--text), color-mix(in srgb, var(--text) 80%, var(--accent)));
  color:var(--bg); border:none; border-radius:var(--rs);
  font-size:14px; font-weight:600; cursor:pointer; font-family:inherit;
  transition:all var(--transition-fast);
  box-shadow:var(--shadow-md);
  letter-spacing:-.1px;
}
.btn-connect:hover { transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn-connect:active { transform:translateY(0); }
.btn-connect:disabled { opacity:.5; cursor:not-allowed; transform:none; }
.setup-error { background:var(--red-d); color:var(--red); padding:10px 14px; border-radius:var(--rs); font-size:13px; margin-top:12px; display:none; border:1px solid color-mix(in srgb, var(--red) 20%, transparent); }
.setup-status { color:var(--text-2); font-size:13px; margin-top:12px; text-align:center; display:none; }
.proxy-note { background:var(--amber-d); border:1px solid color-mix(in srgb, var(--amber) 20%, transparent); color:var(--text-2); padding:14px 18px; border-radius:var(--rs); font-size:12.5px; margin-bottom:22px; line-height:1.7; }
.proxy-note code { background:var(--surface-3); padding:2px 7px; border-radius:4px; font-family:var(--font-mono); font-size:11px; }

/* ─── HEADER ─── */
.header {
  display:grid;
  grid-template-columns:1fr auto;
  align-items:end;
  gap:24px;
  margin-bottom:32px;
  padding:8px 4px 24px;
  border-bottom:1px solid var(--border);
}
.header h1 {
  font-size:clamp(32px, 4vw, 44px);
  font-weight:800;
  letter-spacing:-1.5px;
  line-height:1.05;
  display:flex; align-items:center; gap:14px;
  background:linear-gradient(120deg, var(--text) 0%, var(--text) 50%, var(--accent) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  background-size:200% 100%;
  animation:titleShimmer 8s ease-in-out infinite;
}
@keyframes titleShimmer { 50% { background-position:100% 0; } }
.live-dot {
  width:10px; height:10px; border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 0 color-mix(in srgb, var(--green) 50%, transparent);
  animation:pulse 2.5s ease-in-out infinite;
  flex-shrink:0;
}
@keyframes pulse { 0%,100% { box-shadow:0 0 0 0 color-mix(in srgb, var(--green) 50%, transparent); } 50% { box-shadow:0 0 0 10px transparent; } }
.header-actions { display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
.header-meta { font-size:11.5px; color:var(--text-3); font-family:var(--font-mono); letter-spacing:.2px; }
.btn-sm {
  padding:8px 16px;
  background:var(--surface-2);
  border:1px solid transparent;
  color:var(--text);
  border-radius:999px;
  font-size:12.5px; cursor:pointer; font-family:inherit; font-weight:500;
  transition:all var(--transition-fast);
  letter-spacing:-.1px;
}
.btn-sm:hover { background:var(--surface-3); transform:translateY(-1px); }
.btn-sm.danger:hover { background:var(--red-d); color:var(--red); }
.theme-toggle {
  width:42px; height:24px; border-radius:999px;
  border:1px solid var(--border-strong);
  background:var(--surface-2);
  cursor:pointer; position:relative;
  transition:background var(--transition-fast);
}
.theme-toggle::after {
  content:''; position:absolute; top:2px; left:2px;
  width:18px; height:18px; border-radius:50%;
  background:var(--text);
  transition:transform var(--transition-spring);
}
[data-theme="dark"] .theme-toggle::after { transform:translateX(18px); background:var(--accent); }
[data-theme="dark"] .theme-toggle { background:var(--accent-d); border-color:var(--accent); }

/* ─── BENTO STATS ─── */
.stats {
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:14px;
  margin-bottom:36px;
}
.stat {
  position:relative;
  background:var(--surface-solid);
  border:1px solid var(--border-strong);
  border-radius:var(--r);
  padding:20px 22px;
  cursor:pointer;
  user-select:none;
  overflow:hidden;
  transition:all var(--transition-fast);
  box-shadow:var(--shadow-xs);
}
/* Mouse-tracking spotlight */
.stat::before {
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--stat-color, var(--accent)) 18%, transparent), transparent 45%);
  opacity:0;
  transition:opacity var(--transition-fast);
  pointer-events:none;
}
.stat:hover::before { opacity:1; }
.stat:hover {
  transform:translateY(-2px);
  border-color:var(--border-h);
  box-shadow:var(--shadow-md);
}
.stat.stat-active {
  border-color:var(--stat-color, var(--accent));
  box-shadow:0 0 0 1px var(--stat-color, var(--accent)), var(--shadow-md);
  background:color-mix(in srgb, var(--surface-solid) 85%, var(--stat-color, var(--accent)) 15%);
}
.stat.stat-active .stat-label,
.stat.stat-active .stat-val { color:var(--stat-color, var(--accent)); }
.stat-label {
  font-size:12px; color:var(--text-2);
  font-weight:600; margin-bottom:8px;
  letter-spacing:-.1px;
  display:flex; align-items:center; gap:6px;
  transition:color var(--transition-fast);
}
.stat-val {
  font-size:38px; font-weight:800; letter-spacing:-1.6px;
  line-height:1; color:var(--text);
  font-feature-settings:'tnum','ss01';
  transition:color var(--transition-fast);
}
.stat-hint {
  font-size:11px; color:var(--text-3);
  margin-top:8px; opacity:0;
  transition:opacity var(--transition-fast);
  font-weight:500;
}
.stat:hover .stat-hint { opacity:1; }
.stat.stat-active .stat-hint { opacity:1; color:var(--stat-color, var(--accent)); }
.c-accent { color:var(--accent) !important; } .c-green { color:var(--green) !important; } .c-amber { color:var(--amber) !important; } .c-red { color:var(--red) !important; }

/* ─── FILTER BAR (normal flow, not sticky) ─── */
.filter-section {
  margin-bottom:28px;
  background:var(--surface-solid);
  border:1px solid var(--border-strong);
  border-radius:var(--r-lg);
  padding:14px 20px;
  box-shadow:var(--shadow-xs);
}
.filter-row { display:flex; gap:8px; margin-bottom:10px; flex-wrap:wrap; align-items:center; }
.filter-row:last-child { margin-bottom:0; }
.filter-row-label { font-size:11px; color:var(--text-3); font-weight:600; text-transform:uppercase; letter-spacing:.6px; min-width:70px; flex-shrink:0; font-family:var(--font-mono); }
.fbtn {
  background:var(--surface-2);
  border:1px solid transparent;
  color:var(--text-2);
  padding:6px 14px;
  border-radius:999px;
  font-size:12.5px; cursor:pointer; font-family:inherit;
  transition:all var(--transition-fast);
  white-space:nowrap; font-weight:500;
  letter-spacing:-.1px;
}
.fbtn:hover { color:var(--text); background:var(--surface-3); }
.fbtn.on { background:var(--text); color:var(--bg); border-color:var(--text); font-weight:600; }
.search-input {
  background:var(--surface-2);
  border:1px solid transparent;
  color:var(--text);
  padding:7px 14px; border-radius:999px;
  font-size:12.5px; font-family:inherit; outline:none;
  width:260px;
  transition:all var(--transition-fast);
  letter-spacing:-.1px;
}
.search-input:focus { background:var(--surface-solid); border-color:var(--accent); box-shadow:var(--focus-ring); width:320px; }
.search-input::placeholder { color:var(--text-3); }
.filter-active-count { font-size:11px; background:var(--accent); color:#fff; padding:2px 9px; border-radius:999px; font-family:var(--font-mono); font-weight:700; }

/* ─── PROJECT CARDS ─── */
.projects { display:flex; flex-direction:column; gap:16px; }
.pcard {
  position:relative;
  background:var(--surface-solid);
  border:1px solid var(--border-strong);
  border-radius:var(--r-lg);
  overflow:hidden;
  animation:fadeIn .5s cubic-bezier(.34,1.56,.64,1) both;
  box-shadow:var(--shadow-xs);
  transition:all var(--transition-fast);
}
.pcard:hover { box-shadow:var(--shadow-md); border-color:var(--border-h); transform:translateY(-1px); }
.pcard.open { box-shadow:var(--shadow); border-color:var(--border-h); }
@keyframes fadeIn { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
.pcard-head {
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px;
  border-bottom:1px solid transparent;
  cursor:pointer; user-select:none;
  transition:background var(--transition-fast);
  position:relative;
}
.pcard.open .pcard-head { border-bottom-color:var(--border); }
.pcard-head:hover { background:var(--surface-2); }

.pcard-left { display:flex; align-items:center; gap:14px; min-width:0; }
.pcard-icon {
  width:40px; height:40px;
  background:linear-gradient(135deg, var(--surface-2), var(--surface-3));
  border:1px solid var(--border);
  border-radius:11px;
  display:grid; place-items:center;
  font-size:18px;
  transition:all var(--transition-spring);
  flex-shrink:0;
}
.pcard-head:hover .pcard-icon {
  background:var(--accent-d);
  border-color:var(--accent);
  transform:scale(1.04);
}
.pcard-title { font-size:16px; font-weight:600; letter-spacing:-.3px; color:var(--text); }
.pcard-sub { font-size:12px; color:var(--text-3); margin-top:3px; display:flex; gap:12px; flex-wrap:wrap; }
.pcard-right { display:flex; align-items:center; gap:14px; }
.task-count { font-size:12px; color:var(--text-2); font-family:var(--font-mono); font-weight:500; }
.comment-badge { font-size:10px; background:var(--amber-d); color:var(--amber); padding:3px 9px; border-radius:999px; font-family:var(--font-mono); font-weight:700; flex-shrink:0; }
.progress-mini { width:96px; height:5px; background:var(--surface-3); border-radius:999px; overflow:hidden; position:relative; }
.progress-mini-fill { height:100%; border-radius:999px; transition:width .8s cubic-bezier(.34,1.56,.64,1); position:relative; overflow:hidden; }
.progress-mini-fill::after { content:''; position:absolute; inset:0; background:linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent); animation:progressShimmer 2s ease-in-out infinite; }
@keyframes progressShimmer { from { transform:translateX(-100%); } to { transform:translateX(200%); } }
.chevron { color:var(--text-3); transition:transform .3s cubic-bezier(.34,1.56,.64,1); font-size:14px; }
.pcard.open .chevron { transform:rotate(180deg); color:var(--accent); }
.pcard-body { display:none; }
.pcard.open .pcard-body { display:grid; grid-template-columns:1fr 6px minmax(200px, 380px); position:relative; }
.pcard.open .pcard-body > .task-table { grid-column:1; min-width:0; overflow-x:auto; }
.pcard.open .pcard-body > .notes-divider { grid-column:2; background:var(--border); cursor:col-resize; transition:background var(--transition-fast); display:flex; align-items:center; justify-content:center; }
.pcard.open .pcard-body > .notes-divider:hover, .pcard.open .pcard-body > .notes-divider.dragging { background:var(--accent); }
.pcard.open .pcard-body > .notes-divider::after { content:'⋮'; color:var(--text-3); font-size:12px; }
.pcard.open .pcard-body > .notes-wrap { grid-column:3; position:relative; min-height:420px; background:linear-gradient(180deg, var(--surface-2), var(--surface-3)); }
.pcard.open .pcard-body > .notes-wrap > .notes-panel { position:absolute; inset:0; overflow-y:auto; }

/* ─── TASK TABLE ─── */
.task-table { display:block; }
.task-thead {
  display:grid;
  grid-template-columns:1fr 130px 100px 100px 60px 100px 70px 80px;
  padding:11px 24px;
  font-size:10px; color:var(--text-3); text-transform:uppercase;
  letter-spacing:.7px; font-weight:600;
  border-bottom:1px solid var(--border);
  background:var(--surface-2);
  font-family:var(--font-mono);
}
.task-row {
  display:grid;
  grid-template-columns:1fr 130px 100px 100px 60px 100px 70px 80px;
  align-items:center;
  padding:11px 24px;
  font-size:13px;
  transition:background var(--transition-fast);
  position:relative;
}
.task-row::before {
  content:''; position:absolute; left:0; top:0; bottom:0;
  width:2px; background:var(--accent);
  transform:scaleY(0); transform-origin:center;
  transition:transform var(--transition-fast);
}
.task-row:hover { background:var(--surface-2); }
.task-row:hover::before { transform:scaleY(1); }
.task-row + .task-row { border-top:1px solid color-mix(in srgb, var(--border) 60%, transparent); }
.task-name-w { display:flex; align-items:center; gap:9px; min-width:0; }
.status-dot { width:8px; height:8px; border-radius:50%; flex-shrink:0; background:var(--text-3); transition:all var(--transition-fast); position:relative; }
.task-row:hover .status-dot { transform:scale(1.4); }
.status-dot.進行中 { background:var(--blue); box-shadow:0 0 0 3px color-mix(in srgb, var(--blue) 25%, transparent); }
.status-dot.已完成, .status-dot.完成 { background:var(--green); }
.status-dot.待處理, .status-dot.未開始 { background:var(--text-3); }
.status-dot.阻塞, .status-dot.blocked { background:var(--red); box-shadow:0 0 0 3px color-mix(in srgb, var(--red) 25%, transparent); }
.task-name-text { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-weight:500; }
.task-name-text.done { color:var(--text-3); text-decoration:line-through; text-decoration-color:var(--border-h); font-weight:400; }
.task-people { font-size:11.5px; color:var(--text-2); line-height:1.4; }
.task-date { font-size:12px; font-family:var(--font-mono); color:var(--text-2); }
.tag { font-size:10.5px; padding:3px 10px; border-radius:999px; font-weight:600; white-space:nowrap; display:inline-block; letter-spacing:-.05px; }
.tag-進行中 { background:var(--blue-d); color:var(--blue); }
.tag-已完成, .tag-完成 { background:var(--green-d); color:var(--green); }
.tag-待處理, .tag-未開始 { background:var(--surface-3); color:var(--text-3); }
.tag-阻塞, .tag-blocked { background:var(--red-d); color:var(--red); }
.overdue-badge { font-size:10.5px; font-family:var(--font-mono); font-weight:700; padding:3px 9px; border-radius:999px; white-space:nowrap; letter-spacing:-.05px; }
.overdue-badge.late { background:var(--red-d); color:var(--red); }
.overdue-badge.on-time { background:var(--green-d); color:var(--green); }
.overdue-badge.early { background:var(--blue-d); color:var(--blue); }

/* ─── EDITABLE ─── */
.editable { cursor:pointer; position:relative; border-radius:5px; transition:background var(--transition-fast); padding:2px 6px; margin:-2px -6px; }
.editable:hover { background:var(--accent-subtle); }
.edit-dropdown { position:fixed; z-index:50; background:var(--surface-solid); border:1px solid var(--border-strong); border-radius:var(--rs); padding:5px 0; min-width:140px; box-shadow:var(--shadow-lg); animation:dropIn .18s cubic-bezier(.34,1.56,.64,1); }
@keyframes dropIn { from { opacity:0; transform:translateY(-6px) scale(.98); } to { opacity:1; transform:translateY(0) scale(1); } }
.edit-dropdown-item { padding:8px 14px; font-size:12.5px; cursor:pointer; transition:background var(--transition-fast); color:var(--text); }
.edit-dropdown-item:hover { background:var(--surface-2); }
.edit-dropdown-item.active { color:var(--accent); background:var(--accent-d); font-weight:600; }
.edit-date-input { background:var(--surface-2); border:1.5px solid var(--accent); border-radius:var(--rs); color:var(--text); padding:5px 8px; font-family:var(--font-mono); font-size:12px; outline:none; }
.edit-date-input:focus { box-shadow:var(--focus-ring); }

/* ─── NOTES PANEL ─── */
.notes-panel { padding:18px 20px; }
.notes-title { font-size:10px; text-transform:uppercase; letter-spacing:.8px; color:var(--text-3); font-weight:600; margin-bottom:14px; display:flex; align-items:center; gap:6px; font-family:var(--font-mono); }
.notes-count { background:var(--accent); color:#fff; font-size:10px; padding:2px 8px; border-radius:999px; font-family:var(--font-mono); font-weight:700; }
.note-card {
  background:var(--surface-solid);
  border:1px solid var(--border);
  border-radius:var(--rs);
  padding:14px 16px; margin-bottom:10px;
  box-shadow:var(--shadow-xs);
  transition:all var(--transition-fast);
  position:relative; overflow:hidden;
}

.note-card:hover { box-shadow:var(--shadow); border-color:var(--accent); }
.note-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }
.note-author { font-size:12.5px; font-weight:600; }
.note-time { font-size:10.5px; color:var(--text-3); font-family:var(--font-mono); }
.note-body { font-size:13px; color:var(--text-2); line-height:1.75; word-break:break-word; white-space:pre-wrap; }
.note-ref { font-size:10px; color:var(--text-3); margin-top:6px; }
.note-ref::before { content:'↳ '; color:var(--accent); }
.备注-section { margin-top:16px; padding-top:16px; border-top:1px solid var(--border); }
.备注-title { font-size:10px; text-transform:uppercase; letter-spacing:.8px; color:var(--text-3); font-weight:600; margin-bottom:10px; font-family:var(--font-mono); }
.备注-item {
  font-size:13px; color:var(--text-2); line-height:1.7;
  padding:12px 14px; background:var(--surface-solid);
  border:1px solid var(--border); border-radius:var(--rs);
  margin-bottom:8px; cursor:pointer;
  transition:all var(--transition-fast);
  word-break:break-word; white-space:pre-wrap;
  box-shadow:var(--shadow-xs);
}
.备注-item:hover { border-color:var(--amber); box-shadow:var(--shadow); }
.备注-item .ref { font-size:10px; color:var(--text-3); margin-top:5px; }
.备注-item .ref::before { content:'↳ '; color:var(--amber); }
.no-notes { color:var(--text-3); font-size:12px; text-align:center; padding:32px 0; line-height:1.6; }
.comment-group { margin-bottom:14px; }
.comment-group-header { font-size:11.5px; font-weight:600; color:var(--text); padding:9px 14px; background:var(--surface-3); border-radius:var(--rs); margin-bottom:8px; display:flex; align-items:center; justify-content:space-between; cursor:pointer; user-select:none; transition:background var(--transition-fast); }
.comment-group-header:hover { background:var(--border-strong); }
.comment-group-header .cg-left { display:flex; align-items:center; gap:8px; }
.comment-group-header .cg-chevron { font-size:10px; color:var(--text-3); transition:transform .25s cubic-bezier(.4,0,.2,1); }
.comment-group-header.collapsed .cg-chevron { transform:rotate(-90deg); }
.comment-group-body { overflow:hidden; transition:max-height .3s cubic-bezier(.4,0,.2,1); }
.comment-group-body.collapsed { max-height:0 !important; margin:0; }
.comment-group-count { font-size:10px; background:var(--accent); color:#fff; padding:1px 8px; border-radius:999px; font-family:var(--font-mono); font-weight:700; }

/* ─── FORM CONTROLS ─── */
.btn-action { padding:7px 13px; background:var(--surface-2); border:1px solid var(--border-strong); color:var(--text); border-radius:var(--rs); font-size:11.5px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); margin-top:8px; width:100%; font-weight:500; }
.btn-action:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-d); }
.edit-area { margin-top:10px; }
.edit-textarea, .edit-input { width:100%; background:var(--surface-solid); border:1.5px solid var(--accent); border-radius:var(--rs); color:var(--text); font-family:inherit; font-size:12.5px; padding:9px 11px; outline:none; margin-bottom:6px; transition:box-shadow var(--transition-fast); }
.edit-textarea { resize:vertical; min-height:54px; }
.edit-textarea:focus, .edit-input:focus { box-shadow:var(--focus-ring); }
.edit-select { width:100%; background:var(--surface-2); border:1px solid var(--border-strong); border-radius:var(--rs); color:var(--text); padding:8px 11px; font-size:12.5px; font-family:inherit; outline:none; margin-bottom:6px; cursor:pointer; }
.edit-select:focus { border-color:var(--accent); }
.edit-btns { display:flex; gap:6px; }
.btn-save { padding:7px 18px; background:var(--text); color:var(--bg); border:none; border-radius:var(--rs); font-size:12px; cursor:pointer; font-family:inherit; font-weight:600; transition:all var(--transition-fast); }
.btn-save:hover { background:var(--accent); transform:translateY(-1px); }
.btn-save:disabled { opacity:.5; cursor:not-allowed; transform:none; }
.btn-cancel { padding:7px 18px; background:var(--surface-3); color:var(--text-2); border:none; border-radius:var(--rs); font-size:12px; cursor:pointer; font-family:inherit; transition:background var(--transition-fast); }
.btn-cancel:hover { background:var(--border-strong); }

/* ─── ADD TASK ROW ─── */
.add-task-row { padding:12px 24px; }
.btn-add-task {
  display:flex; align-items:center; gap:6px;
  padding:9px 14px; background:transparent;
  border:1px dashed var(--border-strong); color:var(--text-3);
  border-radius:var(--rs); font-size:12.5px; cursor:pointer;
  font-family:inherit; transition:all var(--transition-fast);
  width:100%; justify-content:center; font-weight:500;
}
.btn-add-task:hover { border-color:var(--accent); color:var(--accent); border-style:solid; background:var(--accent-d); }

/* ─── MODAL ─── */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,.4);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  display:flex; align-items:center; justify-content:center;
  z-index:150;
  animation:fadeModal .25s cubic-bezier(.4,0,.2,1);
}
@keyframes fadeModal { from { opacity:0; } to { opacity:1; } }
.modal {
  background:var(--surface-solid);
  border:1px solid var(--border-strong);
  border-radius:24px;
  padding:36px 40px;
  width:580px; max-width:92vw; max-height:90vh; overflow-y:auto;
  box-shadow:var(--shadow-xl);
  animation:modalSlide .35s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modalSlide { from { opacity:0; transform:translateY(20px) scale(.95); } to { opacity:1; transform:translateY(0) scale(1); } }
.modal h2 {
  font-size:24px; font-weight:800; margin-bottom:24px;
  display:flex; align-items:center; gap:10px;
  letter-spacing:-.7px; color:var(--text);
  background:linear-gradient(135deg, var(--text), var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.modal-field { margin-bottom:18px; }
.modal-field label { display:block; font-size:11px; color:var(--text-2); text-transform:uppercase; letter-spacing:.6px; font-weight:600; margin-bottom:6px; }
.modal-input { width:100%; background:var(--surface-2); border:1px solid var(--border-strong); border-radius:var(--rs); color:var(--text); padding:11px 14px; font-family:inherit; font-size:13px; outline:none; transition:all var(--transition-fast); }
.modal-input:focus { border-color:var(--accent); box-shadow:var(--focus-ring); background:var(--surface-solid); }
.modal-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.modal-btns { display:flex; gap:10px; justify-content:flex-end; margin-top:28px; }
.btn-primary {
  padding:10px 24px;
  background:linear-gradient(135deg, var(--text), color-mix(in srgb, var(--text) 70%, var(--accent)));
  color:var(--bg); border:none; border-radius:var(--rs);
  font-size:13px; font-weight:600; cursor:pointer; font-family:inherit;
  transition:all var(--transition-fast);
  box-shadow:var(--shadow);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-primary:active { transform:translateY(0); }
.btn-primary:disabled { opacity:.5; cursor:not-allowed; transform:none; }
.btn-secondary { padding:10px 24px; background:var(--surface-3); color:var(--text); border:none; border-radius:var(--rs); font-size:13px; cursor:pointer; font-family:inherit; transition:background var(--transition-fast); font-weight:500; }
.btn-secondary:hover { background:var(--border-strong); }

/* ─── WEEKLY REPORT ─── */
.wr-modal { width:760px; max-width:95vw; }
.wr-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; flex-wrap:wrap; gap:10px; }
.wr-header h2 { margin-bottom:0; }
.wr-period { font-size:13px; color:var(--text-2); font-family:var(--font-mono); }
.wr-section { margin-bottom:22px; }
.wr-section-title { font-size:13px; font-weight:700; padding:10px 16px; border-radius:var(--rs); margin-bottom:10px; display:flex; align-items:center; gap:8px; letter-spacing:-.1px; }
.wr-section-title.active { background:var(--blue-d); color:var(--blue); }
.wr-section-title.done { background:var(--green-d); color:var(--green); }
.wr-section-title.planned { background:var(--surface-3); color:var(--text-2); }
.wr-project { margin-bottom:12px; padding-left:8px; }
.wr-project-name { font-size:13px; font-weight:600; color:var(--text); margin-bottom:4px; display:flex; align-items:center; gap:6px; }
.wr-project-name .wr-customer { font-size:11px; font-weight:500; color:var(--text-3); }
.wr-task { font-size:12px; color:var(--text-2); padding:3px 0 3px 18px; line-height:1.6; }
.wr-task .wr-staff { color:var(--text-3); font-size:11px; }
.wr-task .wr-date { color:var(--text-3); font-size:11px; font-family:var(--font-mono); }
.wr-task .wr-overdue { color:var(--red); font-size:11px; font-weight:700; }
.wr-empty { color:var(--text-3); font-size:12px; font-style:italic; padding:6px 18px; }
.wr-stats { display:grid; grid-template-columns:repeat(auto-fit, minmax(130px, 1fr)); gap:10px; margin-bottom:22px; }
.wr-stat { background:var(--surface-2); border-radius:var(--rs); padding:14px 16px; text-align:center; border:1px solid var(--border); }
.wr-stat-val { font-size:28px; font-weight:800; letter-spacing:-.8px; color:var(--text); font-feature-settings:'tnum'; }
.wr-stat-label { font-size:10.5px; color:var(--text-3); text-transform:uppercase; letter-spacing:.5px; margin-top:4px; font-family:var(--font-mono); }
.wr-actions { display:flex; gap:10px; justify-content:flex-end; margin-top:22px; flex-wrap:wrap; }
.wr-preview { background:var(--surface-2); border:1px solid var(--border); border-radius:var(--rs); padding:18px 22px; font-size:12.5px; line-height:1.8; white-space:pre-wrap; max-height:420px; overflow-y:auto; display:none; }

/* ─── PRODUCT INFO ─── */
.product-section { border-top:1px solid var(--border); padding:16px 24px; }
.product-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.product-title { font-size:11px; color:var(--text-3); text-transform:uppercase; letter-spacing:.7px; font-weight:600; display:flex; align-items:center; gap:6px; font-family:var(--font-mono); }
.product-table { width:100%; border-collapse:collapse; font-size:12.5px; }
.product-table th { text-align:left; padding:9px 12px; font-size:10px; color:var(--text-3); text-transform:uppercase; letter-spacing:.5px; font-weight:600; border-bottom:1px solid var(--border-strong); background:var(--surface-2); font-family:var(--font-mono); }
.product-table td { padding:9px 12px; border-bottom:1px solid var(--border); color:var(--text-2); transition:background var(--transition-fast); }
.product-table tr:last-child td { border-bottom:none; }
.product-table tr:hover td { background:var(--surface-2); }
.product-table td:first-child { color:var(--text); font-weight:500; }
.product-table td.editable { cursor:pointer; transition:background var(--transition-fast); position:relative; border-radius:4px; }
.product-table td.editable:hover { background:var(--accent-subtle); }
.btn-add-product { padding:6px 14px; background:transparent; border:1px dashed var(--border-strong); color:var(--text-3); border-radius:var(--rs); font-size:11.5px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); font-weight:500; }
.btn-add-product:hover { border-color:var(--accent); color:var(--accent); border-style:solid; background:var(--accent-d); }
.product-empty { color:var(--text-3); font-size:12px; padding:12px 0; }
.product-loading { color:var(--text-3); font-size:11px; font-style:italic; }

/* ─── VIEW TOGGLE ─── */
.view-toggle { display:flex; background:var(--surface-2); border:1px solid var(--border); border-radius:999px; overflow:hidden; padding:3px; }
.view-btn { padding:6px 16px; font-size:12.5px; cursor:pointer; font-family:inherit; border:none; background:transparent; color:var(--text-2); transition:all var(--transition-fast); font-weight:500; border-radius:999px; letter-spacing:-.1px; }
.view-btn:hover { color:var(--text); }
.view-btn.on { background:var(--surface-solid); color:var(--text); font-weight:600; box-shadow:var(--shadow-xs); }

/* ─── GANTT ─── */
.gantt-container { background:var(--surface); backdrop-filter:blur(12px); border:1px solid var(--border-strong); border-radius:var(--r-lg); box-shadow:var(--shadow-xs); overflow:auto; max-height:80vh; }
.gantt-scroll { min-width:max-content; }
.gantt-header-row { display:flex; border-bottom:2px solid var(--border-strong); position:sticky; top:0; background:var(--surface-solid); z-index:3; backdrop-filter:blur(12px); }
.gantt-label-col { min-width:320px; max-width:320px; padding:11px 16px; font-size:10px; color:var(--text-3); text-transform:uppercase; letter-spacing:.5px; font-weight:600; border-right:1px solid var(--border); flex-shrink:0; position:sticky; left:0; background:var(--surface-solid); z-index:4; font-family:var(--font-mono); }
.gantt-timeline-header { display:flex; flex:1; min-width:0; }
.gantt-month { flex-shrink:0; text-align:center; font-size:11px; color:var(--text-2); font-weight:600; border-right:1px solid var(--border); padding:11px 0; font-family:var(--font-mono); }
.gantt-row { display:flex; border-bottom:1px solid var(--border); min-height:38px; }
.gantt-row:last-child { border-bottom:none; }
.gantt-row-label { min-width:320px; max-width:320px; padding:7px 16px; font-size:12.5px; border-right:1px solid var(--border); flex-shrink:0; display:flex; align-items:center; gap:6px; overflow:hidden; position:sticky; left:0; background:inherit; z-index:2; }
.gantt-row:hover .gantt-row-label { background:var(--surface-2); }
.gantt-task-label { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.gantt-timeline { display:flex; flex:1; position:relative; min-width:0; align-items:center; height:38px; }
.gantt-bar { position:absolute; height:24px; border-radius:7px; top:50%; transform:translateY(-50%); min-width:8px; cursor:default; font-size:10.5px; color:#fff; display:flex; align-items:center; padding:0 9px; white-space:nowrap; font-weight:600; transition:all var(--transition-fast); letter-spacing:-.05px; box-shadow:var(--shadow-xs); }
.gantt-row:hover .gantt-bar { transform:translateY(-50%) scale(1.02); box-shadow:var(--shadow); }
.gantt-bar.進行中 { background:var(--blue); }
.gantt-bar.已完成, .gantt-bar.完成 { background:var(--green); }
.gantt-bar.已取消, .gantt-bar.取消 { background:var(--text-3); }
.gantt-bar.待處理, .gantt-bar.未開始 { background:linear-gradient(135deg, var(--border-strong), var(--border-h)); color:var(--text-2); }
.gantt-bar.阻塞, .gantt-bar.blocked { background:var(--red); }
.gantt-bar.default { background:var(--accent); }
.gantt-bar-date { position:absolute; font-size:9.5px; color:var(--text-3); top:50%; transform:translateY(-50%); white-space:nowrap; font-family:var(--font-mono); }
.gantt-today { position:absolute; top:0; bottom:0; width:2px; background:var(--accent); z-index:1; box-shadow:0 0 12px var(--accent); }
.gantt-today-label { position:absolute; top:3px; font-size:9.5px; color:var(--accent); white-space:nowrap; transform:translateX(-50%); font-weight:700; font-family:var(--font-mono); }
.gantt-group-row { background:var(--surface-2); }
.gantt-group-row .gantt-row-label { font-weight:700; color:var(--accent); font-size:12.5px; background:var(--surface-2); }
.gantt-grid-line { position:absolute; top:0; bottom:0; width:1px; background:var(--border); opacity:.4; }
.gantt-legend { display:flex; gap:18px; padding:14px 18px; border-top:1px solid var(--border); flex-wrap:wrap; position:sticky; bottom:0; background:var(--surface-solid); z-index:3; backdrop-filter:blur(12px); }
.gantt-legend-item { display:flex; align-items:center; gap:6px; font-size:11.5px; color:var(--text-2); }
.gantt-legend-dot { width:14px; height:14px; border-radius:5px; }

/* ─── TOAST (Dynamic Island style) ─── */
.toast-container { position:fixed; top:24px; left:50%; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:8px; align-items:center; }
.toast {
  padding:11px 22px; border-radius:999px;
  font-size:13px; font-weight:500;
  background:rgba(10,10,10,.92); color:#FAFAF9;
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px -8px rgba(0,0,0,.4);
  animation:islandIn .4s cubic-bezier(.34,1.56,.64,1);
  max-width:480px;
  display:flex; align-items:center; gap:10px;
  letter-spacing:-.1px;
}
.toast.success { color:#34D399; }
.toast.error { color:#F87171; }
.toast.info { color:#60A5FA; }
.toast .undo-btn { background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.15); color:#FAFAF9; padding:3px 12px; border-radius:999px; font-size:11.5px; cursor:pointer; font-family:inherit; white-space:nowrap; transition:background var(--transition-fast); font-weight:500; }
.toast .undo-btn:hover { background:rgba(255,255,255,.2); }
.toast .undo-timer { width:22px; height:22px; border-radius:50%; border:1.5px solid rgba(255,255,255,.4); display:grid; place-items:center; font-size:9.5px; font-weight:700; flex-shrink:0; font-family:var(--font-mono); }
.sync-spin { display:inline-block; width:12px; height:12px; border:2px solid var(--border-strong); border-top-color:var(--accent); border-radius:50%; animation:spin .6s linear infinite; vertical-align:middle; margin-left:4px; }

/* ─── LOADING ─── */
.loading-screen { display:flex; flex-direction:column; align-items:center; justify-content:center; height:60vh; gap:20px; }
.spinner {
  width:48px; height:48px;
  border-radius:50%;
  background:conic-gradient(from 0deg, transparent, var(--accent));
  animation:spin 1.2s cubic-bezier(.5,.1,.5,.9) infinite;
  position:relative;
}
.spinner::before { content:''; position:absolute; inset:4px; border-radius:50%; background:var(--bg); }
@keyframes spin { to { transform:rotate(360deg); } }
.loading-screen::after { content:'載入中…'; font-size:13px; color:var(--text-3); font-weight:500; letter-spacing:.5px; }

/* ─── COMMAND PALETTE ⌘K ─── */
.cmdk-overlay {
  position:fixed; inset:0; z-index:180;
  background:rgba(0,0,0,.4);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  display:none;
  align-items:flex-start; justify-content:center;
  padding-top:14vh;
  animation:fadeModal .2s ease;
}
.cmdk-overlay.open { display:flex; }
.cmdk {
  width:580px; max-width:92vw;
  background:var(--surface-solid);
  border:1px solid var(--border-strong);
  border-radius:18px;
  box-shadow:var(--shadow-xl);
  animation:modalSlide .3s cubic-bezier(.34,1.56,.64,1);
  overflow:hidden;
}
.cmdk-input {
  width:100%; padding:18px 22px;
  background:transparent; border:none;
  border-bottom:1px solid var(--border);
  color:var(--text); font-size:16px; font-family:inherit;
  outline:none; letter-spacing:-.3px;
}
.cmdk-input::placeholder { color:var(--text-3); }
.cmdk-list { max-height:420px; overflow-y:auto; padding:8px; }
.cmdk-item { padding:10px 14px; border-radius:10px; cursor:pointer; display:flex; align-items:center; gap:12px; font-size:13.5px; color:var(--text); transition:background var(--transition-fast); }
.cmdk-item:hover, .cmdk-item.selected { background:var(--accent-d); color:var(--accent); }
.cmdk-item-icon { width:24px; height:24px; border-radius:6px; background:var(--surface-2); display:grid; place-items:center; font-size:13px; flex-shrink:0; }
.cmdk-item-meta { margin-left:auto; font-family:var(--font-mono); font-size:10.5px; color:var(--text-3); }
.cmdk-empty { padding:32px; text-align:center; color:var(--text-3); font-size:13px; }
.cmdk-footer { padding:9px 16px; border-top:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; background:var(--surface-2); font-size:11px; color:var(--text-3); font-family:var(--font-mono); letter-spacing:.2px; }
.cmdk-kbd { padding:2px 6px; background:var(--surface-3); border:1px solid var(--border-strong); border-radius:5px; font-family:var(--font-mono); font-size:10px; color:var(--text-2); margin:0 2px; }

/* ─── AI SIDEBAR ─── */
.ai-fab {
  position:fixed; bottom:28px; right:28px;
  width:54px; height:54px; border-radius:50%;
  background:var(--text);
  color:var(--bg); border:none; cursor:pointer;
  font-size:20px;
  display:grid; place-items:center;
  box-shadow:var(--shadow-lg);
  z-index:80;
  transition:all var(--transition-spring);
}
@keyframes fabFloat { 50% { transform:translateY(-3px); } }
.ai-fab:hover { transform:translateY(-2px) scale(1.05); background:var(--accent); box-shadow:var(--shadow-xl); }
.ai-fab.has-badge::after { content:''; position:absolute; top:2px; right:2px; width:11px; height:11px; background:var(--red); border-radius:50%; border:2px solid var(--bg); }
.top-fab {
  position:fixed; bottom:28px; right:96px;
  width:44px; height:44px; border-radius:14px;
  background:var(--surface);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  color:var(--text); border:1px solid var(--border-strong);
  cursor:pointer; font-size:14px;
  display:grid; place-items:center;
  box-shadow:var(--shadow-md);
  z-index:80;
  transition:all var(--transition-spring);
  opacity:0; pointer-events:none;
}
.top-fab.show { opacity:1; pointer-events:auto; }
.top-fab:hover { background:var(--accent); color:#fff; border-color:var(--accent); transform:translateY(-2px); }
.ai-sidebar {
  position:fixed; top:0; right:0;
  width:680px; max-width:92vw; min-width:380px; height:100vh;
  background:var(--surface);
  backdrop-filter:blur(28px) saturate(180%);
  -webkit-backdrop-filter:blur(28px) saturate(180%);
  border-left:1px solid var(--border-strong);
  z-index:90;
  display:flex; flex-direction:column;
  transition:transform .4s cubic-bezier(.34,1.56,.64,1);
  box-shadow:-20px 0 60px -12px rgba(0,0,0,.2);
  transform:translateX(100%);
}
.ai-sidebar-drag { position:absolute; top:0; left:-4px; width:8px; height:100%; cursor:col-resize; z-index:2; }
.ai-sidebar-drag:hover, .ai-sidebar-drag.dragging { background:var(--accent); opacity:.4; }
.ai-sidebar.open { transform:translateX(0); }
.ai-sidebar-header { padding:18px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; flex-shrink:0; }
.ai-sidebar-header h3 { font-size:16px; font-weight:700; display:flex; align-items:center; gap:10px; letter-spacing:-.3px; }
.ai-sidebar-header h3 .ai-logo {
  width:32px; height:32px; border-radius:9px;
  background:var(--accent);
  display:grid; place-items:center;
  font-size:14px; font-weight:800; color:#fff;
}
.ai-model-bar { padding:11px 24px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:8px; flex-shrink:0; background:var(--surface-2); flex-wrap:wrap; }
.ai-model-bar label { font-size:10px; color:var(--text-3); text-transform:uppercase; letter-spacing:.6px; font-weight:600; flex-shrink:0; font-family:var(--font-mono); }
#agentToggle:checked + span { background:var(--accent) !important; }
#agentToggle:checked ~ #agentToggleKnob, #agentToggle:checked + span + span { transform:translateX(12px); }
.ai-model-select { flex:1; min-width:0; background:var(--surface-solid); border:1px solid var(--border-strong); border-radius:var(--rs); color:var(--text); padding:7px 10px; font-size:12px; font-family:inherit; cursor:pointer; outline:none; transition:border-color var(--transition-fast); }
.ai-model-select:focus { border-color:var(--accent); }
.ai-settings-toggle { background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text-2); border-radius:var(--rs); padding:5px 10px; font-size:11px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); flex-shrink:0; font-weight:500; }
.ai-settings-toggle:hover { border-color:var(--accent); color:var(--accent); }
.ai-provider-select { background:var(--surface-2); border:1px solid var(--border-strong); border-radius:14px; color:var(--text-2); padding:4px 10px; font-size:11px; font-family:inherit; cursor:pointer; outline:none; }
.ai-provider-select:focus { border-color:var(--accent); }
.ai-close { background:none; border:none; color:var(--text-3); cursor:pointer; font-size:20px; padding:6px 10px; transition:color var(--transition-fast); border-radius:var(--rs); }
.ai-close:hover { color:var(--text); background:var(--surface-2); }
.ai-messages { flex:1; overflow-y:auto; padding:20px 24px; display:flex; flex-direction:column; gap:14px; }
.ai-msg { max-width:92%; padding:13px 18px; border-radius:18px; font-size:14px; line-height:1.7; animation:fadeIn .35s cubic-bezier(.34,1.56,.64,1); word-wrap:break-word; overflow-wrap:break-word; }
.ai-msg.user { align-self:flex-end; background:linear-gradient(135deg, var(--accent), var(--accent-h)); color:#fff; border-bottom-right-radius:6px; box-shadow:var(--shadow); }
.ai-msg.assistant { align-self:flex-start; background:var(--surface-solid); border:1px solid var(--border); color:var(--text); border-bottom-left-radius:6px; }
.ai-msg.assistant .ai-action-buttons { display:flex; flex-wrap:wrap; gap:6px; margin-top:12px; }
.ai-msg.assistant .ai-action-btn { padding:5px 13px; background:var(--accent-d); border:1px solid var(--accent); color:var(--accent); border-radius:999px; font-size:11.5px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); font-weight:500; }
.ai-msg.assistant .ai-action-btn:hover { background:var(--accent); color:#fff; transform:translateY(-1px); }
.ai-msg.system { align-self:center; background:var(--accent-d); color:var(--accent); font-size:11.5px; padding:7px 16px; border-radius:999px; font-weight:500; }
.ai-msg .msg-time { font-size:10px; opacity:.5; margin-top:4px; }
.ai-msg pre { background:var(--surface-2); padding:9px 11px; border-radius:8px; font-size:12px; font-family:var(--font-mono); overflow-x:auto; margin:6px 0; white-space:pre-wrap; }
.ai-msg ul, .ai-msg ol { padding-left:22px; margin:6px 0; }
.ai-msg li { margin:4px 0; line-height:1.65; }
.ai-msg strong { font-weight:700; }
.ai-msg h4, .ai-msg h5 { margin:0; }
.ai-msg .ai-h { font-weight:700; margin:12px 0 6px; padding-bottom:5px; border-bottom:1px solid var(--border); font-size:14px; }
.ai-msg h5.ai-h { font-size:13px; border-bottom:none; color:var(--text-2); }
.ai-msg .ai-code { background:var(--surface-2); padding:1px 6px; border-radius:4px; font-size:12px; font-family:var(--font-mono); }
.ai-msg .ai-table { width:100%; border-collapse:collapse; font-size:12px; margin:8px 0; }
.ai-msg .ai-table th { text-align:left; padding:7px 9px; font-size:11px; font-weight:700; background:var(--surface-2); border-bottom:2px solid var(--border-strong); white-space:nowrap; }
.ai-msg .ai-table td { padding:6px 9px; border-bottom:1px solid var(--border); vertical-align:top; line-height:1.5; }
.ai-msg .ai-table tr:last-child td { border-bottom:none; }
.ai-msg .ai-table tr:hover td { background:var(--surface-2); }
.ai-msg p { margin:3px 0; line-height:1.65; }
.ai-typing { display:flex; gap:5px; padding:14px 16px; align-self:flex-start; }
.ai-typing span:not([style]) { width:7px; height:7px; background:var(--accent); border-radius:50%; animation:aiDot 1.2s ease-in-out infinite; }
.ai-typing span:nth-child(2) { animation-delay:.2s; }
.ai-typing span:nth-child(3) { animation-delay:.4s; }
@keyframes aiDot { 0%,100% { opacity:.3; transform:translateY(0) scale(.8); } 50% { opacity:1; transform:translateY(-5px) scale(1); } }
.ai-input-area { padding:16px 20px; border-top:1px solid var(--border); flex-shrink:0; display:flex; flex-direction:column; gap:10px; background:var(--surface-2); }
.ai-quick-actions { display:flex; gap:6px; overflow-x:auto; padding-bottom:4px; scrollbar-width:none; }
.ai-quick-actions::-webkit-scrollbar { display:none; }
.ai-quick-btn { flex-shrink:0; padding:6px 14px; background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text-2); border-radius:999px; font-size:11.5px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); white-space:nowrap; font-weight:500; }
.ai-quick-btn:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-1px); }
.ai-input-row { display:flex; gap:8px; align-items:flex-end; }
.ai-input { flex:1; background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text); padding:12px 16px; border-radius:14px; font-size:13.5px; font-family:inherit; outline:none; resize:none; min-height:46px; max-height:140px; transition:all var(--transition-fast); }
.ai-input:focus { border-color:var(--accent); box-shadow:var(--focus-ring); }
.ai-input::placeholder { color:var(--text-3); }
.ai-send {
  width:46px; height:46px; border-radius:14px;
  background:var(--accent);
  color:#fff; border:none; cursor:pointer;
  font-size:16px; display:grid; place-items:center;
  transition:all var(--transition-fast); flex-shrink:0;
  box-shadow:var(--shadow-md);
}
.ai-send:hover { transform:translateY(-2px) scale(1.04); box-shadow:0 8px 20px -4px var(--accent); }
.ai-send:active { transform:translateY(0); }
.ai-send:disabled { opacity:.4; cursor:not-allowed; transform:none; box-shadow:none; }
.ai-sidebar-overlay { position:fixed; inset:0; background:rgba(0,0,0,.3); backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px); z-index:85; display:none; transition:opacity .25s; }
.ai-sidebar-overlay.show { display:block; }
.ai-key-setup { padding:18px 24px; border-bottom:1px solid var(--border); flex-shrink:0; display:none; background:var(--surface-2); }
.ai-key-setup.show { display:block; }
.ai-key-setup .field-label { margin-bottom:5px; }
.ai-key-input { width:100%; background:var(--surface-solid); border:1px solid var(--border-strong); border-radius:var(--rs); color:var(--text); padding:9px 12px; font-family:var(--font-mono); font-size:12px; outline:none; margin-bottom:8px; transition:all var(--transition-fast); }
.ai-key-input:focus { border-color:var(--accent); box-shadow:var(--focus-ring); }
.ai-key-saved { font-size:11px; color:var(--green); display:none; font-weight:600; }

/* ─── DEV CONSOLE ─── */
.dev-toggle { position:fixed; bottom:28px; right:96px; width:40px; height:40px; border-radius:13px; background:var(--surface); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px); border:1px solid var(--border-strong); color:var(--text-2); cursor:pointer; font-size:14px; display:grid; place-items:center; z-index:79; transition:all var(--transition-fast); box-shadow:var(--shadow); }
.dev-toggle:hover { border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.dev-toggle.has-new::after { content:''; position:absolute; top:-2px; right:-2px; width:10px; height:10px; background:var(--green); border-radius:50%; border:2px solid var(--bg); }
.dev-console { position:fixed; bottom:0; right:0; width:580px; max-width:92vw; height:380px; background:var(--surface-solid); border:1px solid var(--border-strong); border-bottom:none; border-radius:var(--r-lg) var(--r-lg) 0 0; z-index:85; display:flex; flex-direction:column; transform:translateY(100%); transition:transform .35s cubic-bezier(.34,1.56,.64,1); box-shadow:0 -10px 40px -8px rgba(0,0,0,.15); }
.dev-console.open { transform:translateY(0); }
.dev-console-header { padding:11px 18px; border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; flex-shrink:0; cursor:grab; background:var(--surface-2); border-radius:var(--r-lg) var(--r-lg) 0 0; }
.dev-console-header h4 { font-size:12.5px; font-weight:600; display:flex; align-items:center; gap:6px; color:var(--text); }
.dev-console-header h4 span { font-family:var(--font-mono); font-size:10px; background:var(--surface-3); padding:2px 8px; border-radius:999px; color:var(--text-3); }
.dev-console-actions { display:flex; gap:6px; }
.dev-console-actions button { background:var(--surface-solid); border:1px solid var(--border-strong); color:var(--text-2); border-radius:var(--rs); padding:4px 11px; font-size:10.5px; cursor:pointer; font-family:inherit; transition:all var(--transition-fast); font-weight:500; }
.dev-console-actions button:hover { border-color:var(--accent); color:var(--accent); }
.dev-console-body { flex:1; overflow-y:auto; padding:11px 16px; font-family:var(--font-mono); font-size:11px; line-height:1.65; }
.dev-log { padding:5px 0; border-bottom:1px solid color-mix(in srgb, var(--border) 40%, transparent); display:flex; gap:8px; }
.dev-log:last-child { border-bottom:none; }
.dev-log .dl-time { color:var(--text-3); flex-shrink:0; min-width:60px; }
.dev-log .dl-type { flex-shrink:0; min-width:50px; font-weight:700; }
.dev-log .dl-type.api { color:var(--blue); }
.dev-log .dl-type.prompt { color:var(--accent); }
.dev-log .dl-type.resp { color:var(--green); }
.dev-log .dl-type.err { color:var(--red); }
.dev-log .dl-type.notion { color:var(--purple); }
.dev-log .dl-body { color:var(--text-2); word-break:break-all; cursor:pointer; }
.dev-log .dl-body:hover { color:var(--text); }
.dev-log .dl-expand { display:none; margin-top:4px; padding:6px 8px; background:var(--surface-2); border-radius:5px; white-space:pre-wrap; word-break:break-word; max-height:200px; overflow-y:auto; font-size:10px; color:var(--text-2); }
.dev-log .dl-body.expanded + .dl-expand { display:block; }
.dev-log-detail { margin-left:68px; padding:5px 9px; background:var(--surface-2); border-radius:5px; white-space:pre-wrap; word-break:break-word; max-height:200px; overflow-y:auto; font-size:10px; color:var(--text-2); margin-bottom:4px; }

/* ─── CUSTOM SCROLLBAR ─── */
::-webkit-scrollbar { width:8px; height:8px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:transparent; border-radius:999px; transition:background .3s; }
*:hover::-webkit-scrollbar-thumb { background:var(--border-h); }
::-webkit-scrollbar-thumb:hover { background:var(--text-3); }

/* ─── RESPONSIVE ─── */
@media (max-width:1100px) {
  .app { padding:24px 20px 96px; }
  .dock { display:none; }
  .stats { grid-template-columns:repeat(4, 1fr); }
  .stats > .stat:first-child { grid-column:span 4; grid-row:span 1; padding:24px 28px; }
  .stats > .stat:first-child .stat-val { font-size:64px; }
  .pcard.open .pcard-body { grid-template-columns:1fr; }
  .pcard, .pcard.open { overflow:visible !important; }
  .pcard.open .pcard-body > .task-table { grid-column:1; min-width:0; overflow-x:scroll; -webkit-overflow-scrolling:touch; display:block; }
  .task-table .task-thead { min-width:920px; grid-template-columns:minmax(200px, 1fr) 120px 95px 95px 45px 95px 65px 80px; }
  .task-table .task-row { min-width:920px; grid-template-columns:minmax(200px, 1fr) 120px 95px 95px 45px 95px 65px 80px; }
  .task-table .add-task-row { min-width:920px; }
  .pcard.open .pcard-body > .notes-divider { display:none; }
  .pcard.open .pcard-body > .notes-wrap { grid-column:1; position:static; min-height:auto; }
  .pcard.open .pcard-body > .notes-wrap > .notes-panel { position:static; max-height:500px; overflow-y:auto; border-top:1px solid var(--border); }
  .header { flex-direction:column; align-items:flex-start; gap:14px; }
  .header-actions { flex-wrap:wrap; gap:8px; }
  .island { font-size:11px; padding:6px 14px; }
  .gantt-label-col, .gantt-row-label { min-width:200px; max-width:200px; }
}
@media (max-width:700px) {
  .app { padding:64px 12px 96px; }
  .stats { grid-template-columns:repeat(2, 1fr); gap:10px; }
  .stats > .stat:first-child { grid-column:span 2; padding:20px 22px; }
  .stats > .stat:first-child .stat-val { font-size:42px; }
  .stat { padding:16px 18px; }
  .stat:hover { transform:none; }
  .stat-val { font-size:30px; }
  .header h1 { font-size:24px; }
  .header-meta { font-size:10px; }
  .btn-sm { font-size:11px; padding:6px 12px; }
  .filter-section { padding:12px 14px; }
  .filter-row { flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; padding-bottom:4px; scrollbar-width:none; }
  .filter-row::-webkit-scrollbar { display:none; }
  .filter-row-label { min-width:50px; font-size:10px; }
  .fbtn { flex-shrink:0; font-size:11px; padding:5px 12px; }
  .search-input { width:160px; flex-shrink:0; }
  .search-input:focus { width:200px; }
  .view-toggle { flex-shrink:0; }
  .task-thead { display:none; }
  .task-row { display:flex; flex-wrap:wrap; gap:5px 10px; padding:14px 16px; border-bottom:1px solid var(--border); }
  .task-row:hover { background:transparent; }
  .task-name-w { width:100%; order:1; }
  .task-people { order:4; font-size:11px; color:var(--text-3); }
  .task-date { order:2; font-size:11px; }
  .tag { order:3; }
  .pcard-head { padding:16px 18px; flex-wrap:wrap; gap:8px; }
  .pcard:hover { box-shadow:var(--shadow-xs); transform:none; }
  .pcard-left { min-width:0; }
  .pcard-title { font-size:14px; }
  .pcard-sub { font-size:11px; flex-wrap:wrap; gap:6px; }
  .pcard-right { gap:8px; }
  .progress-mini { width:60px; }
  .task-count { font-size:11px; }
  .notes-panel { padding:14px; }
  .note-card { padding:11px 13px; }
  .product-section { padding:14px 16px; overflow-x:auto; }
  .product-table { min-width:400px; }
  .gantt-label-col, .gantt-row-label { min-width:140px; max-width:140px; font-size:11px; }
  .modal { padding:28px 22px; border-radius:var(--r-lg); }
  .modal h2 { font-size:20px; }
  .modal-row { grid-template-columns:1fr; }
  .setup-card { padding:32px 22px; }
  .ai-sidebar { width:100vw; max-width:100vw; border-left:none; }
  .ai-sidebar-header { padding:14px 16px; }
  .ai-messages { padding:14px 16px; gap:12px; }
  .ai-msg { max-width:95%; padding:12px 14px; font-size:13px; }
  .ai-input-area { padding:12px 14px; }
  .ai-fab { bottom:18px; right:18px; width:52px; height:52px; }
  .top-fab { bottom:18px; right:80px; width:40px; height:40px; }
  .dev-toggle { bottom:18px; right:80px; width:38px; height:38px; }
  .dev-console { width:100vw; max-width:100vw; border-radius:var(--r-lg) var(--r-lg) 0 0; }
  .island { top:8px; padding:6px 12px; font-size:10.5px; }
  .toast-container { top:60px; }
  .cmdk { width:94vw; }
}
@media (max-width:420px) {
  .stats { grid-template-columns:1fr 1fr; gap:8px; }
  .stat-val { font-size:24px; }
  .stat-label { font-size:11px; }
  .header h1 { font-size:22px; }
  .header { padding-bottom:18px; margin-bottom:24px; }
  .pcard-title { font-size:13px; }
  .pcard-icon { width:32px; height:32px; font-size:14px; }
  .search-input { width:140px; }
  .ai-fab { width:50px; height:50px; font-size:20px; }
}

@media (hover:none) {
  .editable:hover { background:transparent; }
  .editable::after { display:none; }
  .fbtn, .btn-sm, .btn-add-task, .btn-action, .btn-add-product { min-height:42px; display:flex; align-items:center; justify-content:center; }
  .task-row { min-height:50px; }
  .comment-group-header { min-height:46px; }
  .pcard:hover, .stat:hover, .note-card:hover, .备注-item:hover { transform:none; box-shadow:var(--shadow-xs); }
  .stat::before, .pcard-head::before, .note-card::before { display:none; }
}
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  body::before { animation:none; }
}


/* ─── PERFORMANCE PATCH v6 ───────────────────────────────────
   Keep the visual language, remove continuous GPU/main-thread work.
   ─────────────────────────────────────────────────────────── */
body::before {
  animation:none;
  filter:blur(28px);
  will-change:auto;
  transform:translateZ(0);
}
body::after { opacity:.07; }
[data-theme="light"] body::after { opacity:.04; }
.header h1,
.progress-mini-fill::after,
.pcard { animation:none; }
.stat, .pcard, .task-row, .note-card { contain:layout paint style; }
.pcard-body { content-visibility:auto; contain-intrinsic-size:520px; }
.task-row { content-visibility:auto; contain-intrinsic-size:44px; }

@media (max-width:900px), (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  body::before { filter:blur(18px); }
  body::after { display:none; }
  *, *::before, *::after {
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.12s !important;
  }
  .setup-card, .gantt-container, .ai-sidebar, .top-fab,
  .toast, .modal-overlay, .cmdk-overlay {
    backdrop-filter:none !important;
    -webkit-backdrop-filter:none !important;
  }
}