/* =========================================================
   光栈 · 多渠道生图台 — 设计系统 (dark / light)
   纯表现层重写：保留全部 DOM 结构与 JS 行为，仅重构视觉。
   ========================================================= */

/* ---------- 设计令牌 ---------- */
:root,
[data-theme="dark"] {
  --bg: #0b0c10;
  --bg-grad: radial-gradient(1200px 800px at 78% -10%, rgba(124, 108, 246, 0.16), transparent 60%),
             radial-gradient(900px 700px at -10% 110%, rgba(56, 189, 248, 0.10), transparent 55%);
  --surface: #14161c;
  --surface-2: #1a1d26;
  --surface-3: #212532;
  --elev: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #ecedf2;
  --text-dim: #a9b0bf;
  --text-mute: #6b7282;
  --accent: #7c6cf6;
  --accent-2: #a78bfa;
  --accent-ink: #ffffff;
  --accent-soft: rgba(124, 108, 246, 0.16);
  --accent-glow: rgba(124, 108, 246, 0.45);
  --danger: #f4687a;
  --danger-soft: rgba(244, 104, 122, 0.16);
  --success: #34d399;
  --warning: #fbbf24;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow: 0 14px 44px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.6);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 8px;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --display: "PingFang SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

[data-theme="light"] {
  --bg: #f4f5f8;
  --bg-grad: radial-gradient(1200px 800px at 80% -10%, rgba(124, 108, 246, 0.12), transparent 60%),
             radial-gradient(900px 700px at -10% 110%, rgba(56, 189, 248, 0.10), transparent 55%);
  --surface: #ffffff;
  --surface-2: #f7f8fb;
  --surface-3: #eef0f5;
  --elev: rgba(20, 25, 40, 0.03);
  --border: rgba(18, 24, 38, 0.10);
  --border-strong: rgba(18, 24, 38, 0.18);
  --text: #16181d;
  --text-dim: #51586a;
  --text-mute: #8a93a6;
  --accent: #5b54e6;
  --accent-2: #7c6cf6;
  --accent-ink: #ffffff;
  --accent-soft: rgba(91, 84, 230, 0.10);
  --accent-glow: rgba(91, 84, 230, 0.28);
  --danger: #e0414e;
  --danger-soft: rgba(224, 65, 78, 0.10);
  --success: #12a37e;
  --warning: #c97f0a;
  --shadow-sm: 0 2px 8px rgba(20, 30, 60, 0.08);
  --shadow: 0 16px 46px rgba(20, 30, 60, 0.12);
  --shadow-lg: 0 30px 80px rgba(20, 30, 60, 0.18);
}

* { box-sizing: border-box; }
html { background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { margin: 0; min-height: 100vh; background: var(--bg); background-image: var(--bg-grad); background-attachment: fixed; color: var(--text); font-size: 14px; line-height: 1.5; }
h1, h2, h3, h4, p { margin: 0; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
.hidden { display: none !important; }

/* ---------- 通用排版 ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 10px;
}

/* ---------- 背景噪点 ---------- */
.noise {
  position: fixed; inset: 0; pointer-events: none; opacity: 0.03; z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; right: 24px; bottom: 24px; z-index: 400;
  background: var(--surface-3); color: var(--text);
  padding: 13px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow); font-size: 13.5px; font-weight: 500;
  transform: translateY(90px); opacity: 0; transition: .26s cubic-bezier(.2,.8,.2,1);
  max-width: 360px;
}
.toast.show { transform: none; opacity: 1; }
.toast.error { background: var(--danger); color: #fff; border-color: transparent; }

/* =========================================================
   登录
   ========================================================= */
.login-shell {
  position: relative; min-height: 100vh; display: grid; place-items: center;
  overflow: hidden; padding: 24px; z-index: 2;
}
.login-aurora {
  position: absolute; width: 70vmax; height: 70vmax; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  background: conic-gradient(from 120deg, rgba(124,108,246,.22), rgba(56,189,248,.16), rgba(167,139,250,.22), rgba(124,108,246,.22));
  filter: blur(90px); opacity: .55; z-index: -1; animation: spin 26s linear infinite;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.login-mark { position: absolute; right: 8vw; bottom: 8vh; width: 190px; height: 190px; z-index: -1; opacity: .55; }
.login-mark span { position: absolute; inset: 0; border: 1px solid var(--accent); border-radius: 50%; }
.login-mark span:nth-child(2) { inset: 30px; }
.login-mark span:nth-child(3) { inset: 60px; background: var(--accent); opacity: .5; }

.login-card {
  position: relative; width: min(480px, 100%); padding: 46px 44px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border: 1px solid var(--border-strong); border-radius: 22px;
  box-shadow: var(--shadow-lg); backdrop-filter: blur(20px) saturate(140%);
}
.login-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(140deg, var(--accent-glow), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; opacity: .6;
}
.login-card h1 {
  font: 800 clamp(34px, 5.4vw, 52px)/1.02 var(--display);
  letter-spacing: -0.03em; margin: 0 0 18px;
}
.login-card h1 em { font-style: normal; background: linear-gradient(120deg, var(--accent-2), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.login-copy { color: var(--text-dim); margin-bottom: 28px; font-size: 14px; }
.login-card label, label, legend { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin: 0 0 7px; }
.key-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.form-error { color: var(--danger); font-size: 13px; min-height: 18px; margin: 12px 0 0; font-weight: 500; }

/* =========================================================
   应用外壳 / 顶栏
   ========================================================= */
.app-shell { position: relative; z-index: 2; }

.topbar {
  height: 64px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 22px; gap: 16px;
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 60; backdrop-filter: blur(18px) saturate(150%);
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; width: max-content; }
.brand-aperture {
  width: 30px; height: 30px; border-radius: 9px; position: relative; flex: none;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 14px var(--accent-glow);
}
.brand-aperture::after {
  content: ""; position: absolute; inset: 7px; border-radius: 4px;
  background: var(--surface); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--surface) 40%, transparent);
}
.brand-text strong { display: block; font-size: 17px; line-height: 1; letter-spacing: 0.06em; font-weight: 800; }
.brand-text small { font: 8px var(--mono); letter-spacing: 0.14em; color: var(--text-mute); }

.topbar nav { display: flex; height: 100%; gap: 4px; justify-self: center; }
.nav-link {
  position: relative; background: transparent; color: var(--text-mute); font-weight: 600; font-size: 14px;
  padding: 8px 14px; border-radius: 10px; transition: .18s;
}
.nav-link:hover { color: var(--text); background: var(--elev); }
.nav-link.active { color: var(--text); }
.nav-link.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 2.5px;
  border-radius: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-2));
}
.count { font: 10px var(--mono); background: var(--accent-soft); color: var(--accent); border-radius: 20px; padding: 2px 7px; margin-left: 5px; font-weight: 700; }

.top-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.icon-button {
  width: 38px; height: 38px; border-radius: 11px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text-dim); font-size: 16px; display: grid; place-items: center;
  transition: .18s;
}
.icon-button:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-3); }

.service-state { font: 11px var(--mono); color: var(--text-mute); display: flex; align-items: center; gap: 6px; }
.service-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 25%, transparent); }

.task-center-button {
  display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 14px;
  border-radius: 11px; border: 1px solid var(--border); background: var(--surface-2);
  color: var(--text-dim); font-weight: 600; font-size: 13px; transition: .18s; position: relative;
}
.task-center-button:hover { color: var(--text); border-color: var(--border-strong); }
.task-center-icon { display: inline-flex; gap: 2px; }
.task-center-icon i { width: 3px; height: 14px; border-radius: 2px; background: var(--accent); opacity: .8; animation: eq 1.1s ease-in-out infinite; }
.task-center-icon i:nth-child(2) { animation-delay: .2s; }
.task-center-icon i:nth-child(3) { animation-delay: .4s; }
@keyframes eq { 0%,100% { transform: scaleY(.5); } 50% { transform: scaleY(1); } }
.task-badge {
  position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: 9px; background: var(--danger); color: #fff; font: 10px var(--mono); font-weight: 700;
  display: grid; place-items: center; border: 2px solid var(--surface);
}

/* ---------- 任务中心抽屉 ---------- */
.task-center {
  position: absolute; top: 58px; right: 0; width: 340px; z-index: 80;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  border: 1px solid var(--border-strong); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  backdrop-filter: blur(22px); overflow: hidden;
}
.task-center-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.task-center-head h3 { font-size: 16px; font-weight: 700; }
.task-center-list { max-height: 360px; overflow: auto; padding: 8px; }
.task-center-empty { padding: 40px 16px; text-align: center; color: var(--text-mute); font-size: 13px; }
.task-card {
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center;
  padding: 12px; border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 8px;
  background: var(--surface-2);
}
.task-card-icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); font-weight: 800; }
.task-card.failed .task-card-icon, .task-card.timed_out .task-card-icon { background: var(--danger-soft); color: var(--danger); }
.task-card.succeeded .task-card-icon { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); }
.task-card-copy { min-width: 0; }
.task-card-copy strong { display: block; font-size: 13px; }
.task-card-copy p { font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-card-copy small { font: 10px var(--mono); color: var(--text-mute); }
.task-card-copy em { display: block; font-size: 11px; color: var(--danger); font-style: normal; margin-top: 3px; }
.task-card-open { font-size: 11px; color: var(--accent); background: var(--accent-soft); padding: 6px 10px; border-radius: 8px; font-weight: 600; white-space: nowrap; }
.task-card-open:hover { background: var(--accent); color: #fff; }

/* =========================================================
   页面布局
   ========================================================= */
.page { animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.studio-page { display: grid; grid-template-columns: minmax(360px, 420px) 1fr; min-height: calc(100vh - 64px); gap: 0; }
.control-rail {
  padding: 30px 28px 48px; background: color-mix(in srgb, var(--surface) 60%, transparent);
  border-right: 1px solid var(--border); overflow: auto;
}
.section-heading h2 { font: 800 26px var(--display); letter-spacing: -0.02em; }

.result-stage { padding: 26px 30px 60px; overflow: auto; min-width: 0; }
.stage-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.stage-head h2 { font: 800 24px var(--display); letter-spacing: -0.02em; }
.stage-actions { display: flex; align-items: center; gap: 10px; }
.task-state { font: 12px var(--mono); color: var(--accent); background: var(--accent-soft); padding: 6px 12px; border-radius: 20px; font-weight: 600; }

/* =========================================================
   按钮 / 输入框
   ========================================================= */
.primary, .secondary, .create-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; border-radius: 12px; padding: 0 18px; font-weight: 700; font-size: 14px; transition: .18s;
}
.primary {
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 22px var(--accent-glow);
}
.primary:hover { filter: brightness(1.07); transform: translateY(-1px); box-shadow: 0 12px 28px var(--accent-glow); }
.primary:active { transform: translateY(0); }
.secondary { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
.secondary:hover { border-color: var(--border-strong); background: var(--surface-3); }
.compact-action { min-height: 36px; padding: 0 14px; font-size: 13px; border-radius: 10px; }
.text-button { background: none; color: var(--text-mute); font-size: 13px; font-weight: 600; padding: 6px 8px; border-radius: 8px; }
.text-button:hover { color: var(--accent); }
.danger-action { color: var(--danger); } .danger-action:hover { background: var(--danger-soft); }

.micro-button { background: var(--surface-2); border: 1px solid var(--border); color: var(--text-dim); font-size: 11.5px; padding: 5px 10px; border-radius: 8px; font-weight: 600; transition: .15s; }
.micro-button:hover { color: var(--text); border-color: var(--border-strong); }

input, textarea, select {
  width: 100%; border: 1px solid var(--border); border-radius: var(--radius-xs);
  background: var(--surface-2); color: var(--text); padding: 11px 12px; transition: border .15s, box-shadow .15s, background .15s;
  font-size: 14px;
}
input::placeholder, textarea::placeholder { color: var(--text-mute); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: var(--surface); }
input, select { height: 44px; }
textarea { resize: vertical; line-height: 1.55; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%238a93a6' stroke-width='2'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }

.create-button {
  width: 100%; margin-top: 18px; min-height: 52px; font-size: 15px; color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 10px 26px var(--accent-glow);
}
.create-button span { font-weight: 800; }
.create-button i { font: 11px var(--mono); opacity: .8; font-style: normal; }
.create-button:hover { filter: brightness(1.07); transform: translateY(-1px); }
.create-button:disabled { opacity: .55; cursor: progress; transform: none; }

/* ---------- 创作台控件 ---------- */
.mode-switch { display: grid; grid-template-columns: 1fr 1fr; background: var(--surface-2); padding: 4px; border-radius: 12px; margin: 22px 0 24px; border: 1px solid var(--border); }
.mode-switch button { height: 38px; background: transparent; color: var(--text-mute); border-radius: 9px; font-weight: 700; font-size: 13.5px; transition: .15s; }
.mode-switch button.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }

.prompt-label-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.prompt-label-row label { margin: 0; }
.prompt-tools { display: flex; gap: 6px; }
.prompt-wrap { position: relative; margin-bottom: 16px; }
.prompt-wrap textarea { min-height: 132px; padding-bottom: 28px; line-height: 1.6; }
.prompt-wrap span { position: absolute; right: 12px; bottom: 10px; font: 10px var(--mono); color: var(--text-mute); }

.prompt-suggestions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 16px; }
.prompt-suggestions span { font: 10px var(--mono); color: var(--text-mute); letter-spacing: .05em; margin-right: 2px; }
.prompt-suggestions button { font-size: 12px; padding: 6px 11px; border-radius: 20px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-dim); transition: .15s; }
.prompt-suggestions button:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.saved-prompt-shelf { margin: -6px 0 16px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); }
.saved-prompt-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; color: var(--accent); font-size: 11px; font-weight: 700; }
.saved-prompt { display: block; width: 100%; text-align: left; background: transparent; border-top: 1px solid var(--border); padding: 9px 2px; color: var(--text); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: .15s; }
.saved-prompt:hover { color: var(--accent); padding-left: 6px; }
.saved-prompt-empty { padding: 9px 2px; color: var(--text-mute); font-size: 12px; }

.upload-zone { margin-bottom: 18px; border: 1.5px dashed var(--border-strong); border-radius: var(--radius-sm); padding: 18px; text-align: center; background: var(--surface-2); transition: .15s; }
.upload-zone:hover { border-color: var(--accent); }
.upload-zone label { cursor: pointer; }
.upload-zone label b { display: block; color: var(--accent); font-size: 14px; }
.upload-zone label small { color: var(--text-mute); font-size: 11.5px; }
.file-list { margin-top: 8px; font-size: 11.5px; color: var(--text-dim); }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.field-grid.three { grid-template-columns: 1.3fr 1fr .7fr; }
.field-grid > div > small { display: block; color: var(--text-mute); font-size: 11px; margin-top: 5px; }
.model-manual { margin-top: 8px; }

.selection-memory { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-mute); margin-bottom: 18px; }
.memory-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); flex: none; }
.selection-memory .text-button { margin-left: auto; }

fieldset { border: 0; padding: 0; margin: 0 0 18px; }
fieldset legend { padding: 0; font-size: 12px; font-weight: 700; color: var(--text-dim); margin-bottom: 9px; }
.ratio-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.ratio-grid input { position: absolute; opacity: 0; pointer-events: none; }
.ratio-grid span {
  height: 64px; border: 1px solid var(--border); border-radius: 10px; display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end; gap: 6px; padding: 8px 3px; color: var(--text-mute);
  font: 10px var(--mono); cursor: pointer; transition: .15s; background: var(--surface-2);
}
.ratio-grid span:hover { border-color: var(--border-strong); }
.ratio-grid input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.ratio { display: block; border: 1.5px solid currentColor; width: 18px; height: 18px; border-radius: 2px; }
.r34 { width: 15px; height: 20px; } .r43 { width: 21px; height: 15px; }
.r916 { width: 12px; height: 22px; } .r169 { width: 23px; height: 13px; }
.ratio.custom { border: 0; font-style: normal; font-size: 17px; }
.ratio-grid input:focus-visible + span { outline: 2px solid var(--accent-soft); }

.advanced-controls { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; background: var(--surface-2); overflow: hidden; }
.advanced-controls summary { display: flex; align-items: center; gap: 8px; padding: 12px 14px; cursor: pointer; font-weight: 600; font-size: 13px; list-style: none; }
.advanced-controls summary::-webkit-details-marker { display: none; }
.advanced-controls summary span { color: var(--text); }
.advanced-controls summary small { color: var(--text-mute); font-weight: 400; font-size: 11.5px; }
.advanced-controls summary b { margin-left: auto; color: var(--text-mute); transition: .2s; }
.advanced-controls[open] summary b { transform: rotate(180deg); }
.advanced-controls .field-grid { padding: 4px 14px 16px; margin-bottom: 0; }

.pixel-preview { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 10px; margin-bottom: 4px; padding: 14px 16px; border: 1px solid var(--border); background: var(--surface-2); border-radius: var(--radius-sm); }
.pixel-preview span { grid-column: 1; font-size: 11px; color: var(--text-mute); }
.pixel-preview strong { grid-column: 2; grid-row: 1 / span 2; font: 700 18px var(--mono); color: var(--text); }
.pixel-preview small { grid-column: 1; font-size: 11px; color: var(--text-dim); }

/* =========================================================
   结果区
   ========================================================= */
.empty-result { display: grid; place-items: center; text-align: center; padding: 60px 20px; color: var(--text-mute); }
.empty-frame { position: relative; width: 92px; height: 92px; border: 1.5px dashed var(--border-strong); border-radius: 16px; margin-bottom: 22px; }
.empty-frame span { position: absolute; inset: 0; border: 1px solid var(--accent); border-radius: 16px; opacity: .25; animation: pulse 2.4s ease-in-out infinite; }
.empty-frame span:nth-child(2) { animation-delay: .8s; } .empty-frame span:nth-child(3) { animation-delay: 1.6s; }
.empty-frame i { position: absolute; inset: 0; display: grid; place-items: center; font-size: 30px; color: var(--accent); opacity: .5; }
@keyframes pulse { 0%,100% { transform: scale(.8); opacity: .1; } 50% { transform: scale(1.05); opacity: .35; } }
.empty-result h3 { color: var(--text); font-size: 16px; margin-bottom: 6px; font-weight: 700; }
.empty-result p { font-size: 13px; max-width: 320px; }

.loading-result { display: flex; align-items: center; gap: 16px; padding: 16px 20px; border: 1px solid var(--border); background: linear-gradient(100deg, var(--accent-soft), transparent); border-radius: var(--radius-sm); margin-bottom: 22px; }
.live-generation-mark { display: flex; gap: 4px; }
.live-generation-mark span { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: bounce 1s ease-in-out infinite; }
.live-generation-mark span:nth-child(2) { animation-delay: .15s; } .live-generation-mark span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce { 0%,100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(-6px); opacity: 1; } }
.live-generation-copy { flex: 1; min-width: 0; }
.live-generation-copy strong { display: block; font-size: 14px; }
.live-generation-copy p { font-size: 12.5px; color: var(--text-dim); margin: 2px 0 8px; }
.live-generation-copy small { font: 11px var(--mono); color: var(--text-mute); }
.live-progress { height: 4px; border-radius: 999px; background: color-mix(in srgb, var(--accent) 18%, transparent); overflow: hidden; margin-bottom: 8px; }
.live-progress-bar { display: block; height: 100%; width: 40%; border-radius: 999px; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation: live-slide 1.4s ease-in-out infinite; }
@keyframes live-slide { 0% { transform: translateX(-120%); } 100% { transform: translateX(320%); } }
.live-generation-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.live-elapsed { color: var(--accent); font-variant-numeric: tabular-nums; }
.loading-result.is-busy { box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent); }

.error-panel { border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent); background: var(--danger-soft); border-radius: var(--radius-sm); padding: 16px 18px; margin-bottom: 22px; }
.error-panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.error-panel-head h3 { font-size: 15px; color: var(--danger); }
.error-panel p { color: var(--text); font-size: 13px; margin-bottom: 10px; }
.error-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.error-meta span { font: 11px var(--mono); background: var(--surface-3); border: 1px solid var(--border); border-radius: 8px; padding: 5px 9px; color: var(--text-dim); }
.error-meta b { color: var(--text-mute); font-weight: 600; margin-right: 5px; }
.error-panel details summary { cursor: pointer; font-size: 12px; color: var(--text-mute); margin-bottom: 6px; }
.error-panel pre { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; font: 11.5px var(--mono); color: var(--text-dim); overflow: auto; max-height: 240px; white-space: pre-wrap; word-break: break-word; }

.raw-response { margin-top: 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); }
.raw-response summary { cursor: pointer; padding: 10px 14px; font-size: 12px; color: var(--text-mute); }
.raw-response pre { margin: 0; padding: 0 14px 14px; font: 11.5px var(--mono); color: var(--text-dim); overflow: auto; max-height: 320px; white-space: pre-wrap; word-break: break-word; }

.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.result-card { margin: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface-2); transition: .2s; animation: pop .35s cubic-bezier(.2,.8,.2,1); }
@keyframes pop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
.result-card:hover { border-color: var(--border-strong); transform: translateY(-3px); box-shadow: var(--shadow); }
.result-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: var(--surface-3); }
.result-card figcaption { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); }
.result-card figcaption > span:first-child { font: 11px var(--mono); color: var(--text-mute); }
.result-links { display: flex; gap: 8px; align-items: center; flex: none; }
.result-links a { font-size: 11.5px; color: var(--text-dim); text-decoration: none; }
.result-links a:hover { color: var(--text); }


/* =========================================================
   作品库
   ========================================================= */
.works-intro, .channels-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.works-intro h1, .channels-intro h1 { font: 800 30px var(--display); letter-spacing: -0.02em; margin: 4px 0; }
.works-intro p, .channels-intro p { color: var(--text-dim); font-size: 13.5px; max-width: 540px; }
.works-actions { display: flex; gap: 8px; }

.work-tabs { display: flex; gap: 6px; margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.work-tabs button { background: none; color: var(--text-mute); font-weight: 600; font-size: 13.5px; padding: 10px 14px; border-radius: 10px 10px 0 0; position: relative; transition: .15s; }
.work-tabs button:hover { color: var(--text); }
.work-tabs button.active { color: var(--text); }
.work-tabs button.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -1px; height: 2.5px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 3px; }
.work-tabs button span { font: 10px var(--mono); background: var(--surface-3); padding: 2px 7px; border-radius: 20px; margin-left: 5px; }

.work-selection-bar { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; margin-bottom: 16px; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; color: var(--accent); }
.work-selection-bar .text-button { color: var(--text-mute); }

.works-loading { padding: 40px; text-align: center; color: var(--text-mute); }
.channel-empty { padding: 50px 20px; text-align: center; color: var(--text-mute); border: 1.5px dashed var(--border-strong); border-radius: var(--radius); }
.channel-empty b { display: block; color: var(--text); font-size: 16px; margin-bottom: 6px; }

.works-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.work-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface-2); transition: .2s; }
.work-card:hover { border-color: var(--border-strong); transform: translateY(-3px); box-shadow: var(--shadow); }
.work-card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.work-media { position: relative; aspect-ratio: 1; background: var(--surface-3); }
.work-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.work-placeholder { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: 6px; color: var(--text-mute); }
.work-placeholder span { font-size: 26px; }
.work-placeholder b { font-size: 12px; font-weight: 600; }
.work-check { position: absolute; top: 10px; left: 10px; width: 24px; height: 24px; border-radius: 7px; background: color-mix(in srgb, var(--bg) 70%, transparent); border: 1px solid var(--border-strong); display: grid; place-items: center; cursor: pointer; backdrop-filter: blur(6px); }
.work-check input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.work-check span { width: 12px; height: 12px; border-radius: 4px; border: 2px solid var(--text-mute); }
.work-check input:checked + span { background: var(--accent); border-color: var(--accent); box-shadow: inset 0 0 0 2px var(--surface); }
.work-version { position: absolute; top: 10px; right: 10px; font: 10px var(--mono); background: color-mix(in srgb, var(--bg) 70%, transparent); padding: 3px 8px; border-radius: 20px; color: var(--text-dim); backdrop-filter: blur(6px); }
.work-body { padding: 12px 14px; }
.work-status { display: inline-block; font-size: 10.5px; font-weight: 700; padding: 3px 8px; border-radius: 20px; margin-bottom: 8px; }
.work-status.completed { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.work-status.failed { background: var(--danger-soft); color: var(--danger); }
.work-status.in_progress, .work-status.progress { background: var(--accent-soft); color: var(--accent); }
.work-body p { font-size: 12.5px; color: var(--text-dim); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; }
.work-body small { font: 11px var(--mono); color: var(--text-mute); }
.work-card-actions { display: flex; gap: 6px; padding: 0 14px 14px; }
.work-card-actions button { flex: 1; font-size: 12px; padding: 8px; border-radius: 9px; background: var(--surface-3); border: 1px solid var(--border); color: var(--text-dim); font-weight: 600; transition: .15s; }
.work-card-actions button:hover { color: var(--text); border-color: var(--border-strong); }
.work-card-actions button.danger:hover { color: var(--danger); background: var(--danger-soft); }

/* =========================================================
   渠道
   ========================================================= */
.channel-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.channel-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; background: var(--surface-2); transition: .2s; }
.channel-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.channel-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.channel-card-head h3 { font-size: 16px; font-weight: 700; }
.channel-card-head h3 a { text-decoration: none; color: inherit; transition: color .15s; }
.channel-card-head h3 a:hover { color: var(--accent); }
.channel-card-head .url { font: 11px var(--mono); color: var(--text-mute); margin-top: 3px; word-break: break-all; }
.channel-status { font: 9px var(--mono); letter-spacing: .08em; padding: 4px 8px; border-radius: 20px; background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.channel-card.paused .channel-status, .channel-status:not(:contains(ACTIVE)) { background: var(--surface-3); color: var(--text-mute); }
.capability-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.capability-list span { font-size: 11px; padding: 4px 10px; border-radius: 20px; background: var(--surface-3); color: var(--text-mute); border: 1px solid var(--border); }
.capability-list span.on { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.channel-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.channel-meta small { font: 10.5px var(--mono); color: var(--text-mute); }
.card-actions { display: flex; gap: 6px; }
.card-actions button { font-size: 11.5px; padding: 6px 10px; border-radius: 8px; background: var(--surface-3); border: 1px solid var(--border); color: var(--text-dim); font-weight: 600; transition: .15s; }
.card-actions button:hover { color: var(--text); border-color: var(--border-strong); }
.card-actions button.danger:hover { color: var(--danger); background: var(--danger-soft); }

/* =========================================================
   对话框
   ========================================================= */
dialog {
  border: 1px solid var(--border-strong); border-radius: 20px; padding: 0;
  background: color-mix(in srgb, var(--surface) 97%, transparent); color: var(--text);
  box-shadow: var(--shadow-lg); backdrop-filter: blur(24px); max-width: min(560px, 94vw); width: 100%;
  margin: auto;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.55); backdrop-filter: blur(4px); }
dialog[open] { animation: dialogIn .26s cubic-bezier(.2,.8,.2,1); }
@keyframes dialogIn { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
#channelDialog, #editAssetDialog { max-width: min(620px, 94vw); }
.dialog-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 22px 24px 0; }
.dialog-head h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.dialog-close { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-mute); font-size: 18px; display: grid; place-items: center; transition: .15s; flex: none; }
.dialog-close:hover { color: var(--text); border-color: var(--border-strong); }

.form-section { padding: 18px 24px; border-bottom: 1px solid var(--border); }
.form-section h3 { font-size: 14px; font-weight: 700; margin-bottom: 14px; display: flex; align-items: center; gap: 9px; }
.form-section h3 span { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 7px; background: var(--accent-soft); color: var(--accent); font: 11px var(--mono); font-weight: 700; }
.form-section label { margin-bottom: 7px; }
.form-section .field-grid { margin-bottom: 14px; }
.form-section input, .form-section textarea, .form-section select { margin-bottom: 14px; }
.form-section > label:last-child, .form-section textarea:last-child { margin-bottom: 0; }
.capability-section .capability-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.capability-section .capability-title h3 { margin: 0; }
.capability-section .capability-title small { color: var(--text-mute); font-size: 11.5px; }
.capability-section label { font-size: 12px; }
.capability-section label code { font: 10px var(--mono); background: var(--surface-3); padding: 2px 6px; border-radius: 5px; color: var(--accent); margin-left: 4px; }
.path-help { font-size: 11.5px; color: var(--text-mute); margin: 0; }

.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 18px 24px 22px; }
.edit-asset-preview { padding: 18px 24px 0; }
.edit-asset-preview img { width: 100%; max-height: 300px; object-fit: contain; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-3); }
#editAssetDialog label, #editAssetDialog textarea, #editAssetDialog .field-grid { margin-left: 24px; margin-right: 24px; }
#editAssetDialog .field-grid { margin-bottom: 18px; }
#editAssetDialog .dialog-actions { margin-top: 4px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 980px) {
  .studio-page { grid-template-columns: 1fr; }
  .control-rail { border-right: 0; border-bottom: 1px solid var(--border); max-height: none; }
}
@media (max-width: 720px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topbar nav { display: none; }
  .brand-text small { display: none; }
  .result-stage, .control-rail { padding-left: 16px; padding-right: 16px; }
  .task-center { width: calc(100vw - 32px); }
  .field-grid.three { grid-template-columns: 1fr 1fr; }
  .works-intro, .channels-intro { align-items: flex-start; }
}


/* ---------- Prompt library module ---------- */
.prompts-page { padding: 26px 30px 60px; }
.prompts-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 22px; }
.prompts-intro h1 { font: 800 30px var(--display); letter-spacing: -0.02em; margin: 4px 0; }
.prompts-intro p { color: var(--text-dim); font-size: 13.5px; max-width: 560px; line-height: 1.6; }
.prompts-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.prompts-actions .secondary { border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 9px 14px; border-radius: 10px; font-size: 13px; cursor: pointer; transition: border-color .15s, transform .15s; }
.prompts-actions .secondary:hover { border-color: var(--accent); transform: translateY(-1px); }

.prompt-source-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.prompt-source-tab { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text-dim); cursor: pointer; font-size: 13px; transition: border-color .15s, color .15s, background .15s; }
.prompt-source-tab:hover { border-color: var(--border-strong); color: var(--text); }
.prompt-source-tab.active { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.prompt-source-tab .src-name { font-weight: 600; }
.src-badge { font-size: 10px; padding: 2px 7px; border-radius: 999px; letter-spacing: .04em; }
.src-badge.remote { background: rgba(91, 133, 246, 0.16); color: #6ea8ff; }
.src-badge.local { background: var(--accent-soft); color: var(--accent); }
.src-ok { font-style: normal; font-size: 11px; color: var(--success); }
.src-pending { font-style: normal; font-size: 11px; color: var(--text-mute); }
.src-err { font-style: normal; font-size: 11px; color: var(--danger); cursor: help; }
.src-del, .src-refresh { border: none; background: transparent; color: var(--text-mute); cursor: pointer; font-size: 13px; line-height: 1; padding: 0 2px; border-radius: 6px; }
.src-del:hover { color: var(--danger); }
.src-refresh:hover { color: var(--accent); }

.prompt-toolbar { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 18px; }
.prompt-search { flex: 1 1 280px; }
.prompt-search input { width: 100%; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 14px; }
.prompt-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.prompt-cat-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-chip { border: 1px solid var(--border); background: var(--surface); color: var(--text-dim); padding: 7px 13px; border-radius: 999px; font-size: 12.5px; cursor: pointer; transition: border-color .15s, color .15s; }
.cat-chip:hover { color: var(--text); border-color: var(--border-strong); }
.cat-chip.active { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }

.prompts-loading { color: var(--text-mute); font-size: 13px; padding: 30px 0; }
.prompts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.prompt-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; display: flex; flex-direction: column; gap: 10px; transition: border-color .15s, transform .15s, box-shadow .15s; }
.prompt-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.prompt-card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.prompt-cat { font-size: 11px; color: var(--accent); background: var(--accent-soft); padding: 3px 9px; border-radius: 999px; }
.prompt-card-tools { display: flex; gap: 6px; }
.prompt-card-tools .micro-button { font-size: 11px; padding: 3px 8px; border-radius: 7px; border: 1px solid var(--border); background: transparent; color: var(--text-mute); cursor: pointer; }
.prompt-card-tools .prompt-del:hover { color: var(--danger); border-color: var(--danger); }
.prompt-card-tools .prompt-edit:hover { color: var(--accent); border-color: var(--accent); }
.prompt-title { font-size: 15px; font-weight: 700; color: var(--text); margin: 0; }
.prompt-content { font-size: 13px; color: var(--text-dim); line-height: 1.65; margin: 0; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; white-space: pre-wrap; }
.prompt-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.prompt-tag { font-size: 11px; color: var(--text-mute); background: var(--elev); border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; }
.prompt-card-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 4px; }
.prompt-card-actions .primary, .prompt-card-actions .secondary { flex: 1; justify-content: center; padding: 8px 10px; border-radius: 9px; font-size: 13px; cursor: pointer; border: 1px solid transparent; }
.prompt-card-actions .primary { background: var(--accent); color: var(--accent-ink); }
.prompt-card-actions .primary:hover { box-shadow: 0 6px 18px var(--accent-glow); }
.prompt-card-actions .secondary { background: var(--surface); color: var(--text-dim); border-color: var(--border); }
.prompt-card-actions .secondary:hover { border-color: var(--accent); color: var(--text); }