/* ============================================================
 * 曦薇记忆 · 控制台视觉层 v2（2026-10-26 重构）
 * 契约纪律：本文件只做视觉。app.js 依赖的全部 DOM id / 结构
 * 契约见 docs/CONSOLE_CONTRACT_2026-10-25.md，HTML 骨架与之逐一对齐。
 * 逻辑图 / Code Graph：docs/FRONTEND_CODEGRAPH_2026-10-26.md
 * ============================================================ */
:root {
  color-scheme: dark light;
  --bg: #0f1115;
  --bg-soft: #14171d;
  --panel: #1a1e26;
  --panel-2: #20252f;
  --line: #2a303c;
  --line-soft: #232936;
  --ink: #e8e9ee;
  --muted: #9aa1af;
  --faint: #6b7280;
  --accent: #6ee7c0;
  --accent-soft: rgba(110, 231, 192, .12);
  --accent-ink: #0c1f18;
  --blue: #7db4f5;
  --blue-soft: rgba(125, 180, 245, .12);
  --warn: #e0b36a;
  --danger: #ff8a80;
  --danger-soft: rgba(255, 138, 128, .1);
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f4;
    --bg-soft: #eef1ee;
    --panel: #ffffff;
    --panel-2: #f2f5f2;
    --line: #dde3dd;
    --line-soft: #e8ece8;
    --ink: #1c2420;
    --muted: #5f6b63;
    --faint: #8b958d;
    --accent: #1f8f6e;
    --accent-soft: rgba(31, 143, 110, .1);
    --accent-ink: #ffffff;
    --blue: #2f6fb5;
    --blue-soft: rgba(47, 111, 181, .1);
    --warn: #9a6b10;
    --danger: #c64238;
    --danger-soft: rgba(198, 66, 56, .08);
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 15px; line-height: 1.65;
  display: flex; flex-direction: column;
}
button { font-family: inherit; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: .92em; }
[hidden] { display: none !important; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700; font-size: 14px; letter-spacing: .05em;
}
.brand-name { font-weight: 700; font-size: 16px; letter-spacing: .02em; }
.mode-switch { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.mode-btn {
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  font-size: 13px; cursor: pointer; transition: all .15s;
}
.mode-btn:hover { color: var(--ink); border-color: var(--muted); }
.mode-btn.is-active {
  background: var(--accent-soft); border-color: var(--accent); color: var(--accent);
  font-weight: 600;
}
.mode-hint { font-size: 12px; color: var(--faint); margin-left: 4px; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.conn { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.conn .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--faint);
  display: inline-block;
}
.conn.is-ok .dot { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.conn.is-ok { color: var(--accent); }
.conn.is-bad .dot { background: var(--danger); }

/* ---------- 按钮 ---------- */
.ghost-btn {
  padding: 6px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font-size: 13px; cursor: pointer; transition: all .15s;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent); }
.ghost-btn.sm { padding: 4px 10px; font-size: 12px; }
.ghost-btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.primary-btn {
  padding: 9px 20px; border-radius: 999px; border: 0;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 600; font-size: 14px; cursor: pointer; transition: opacity .15s;
}
.primary-btn:hover { opacity: .88; }
.primary-btn:disabled, .ghost-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- 布局 ---------- */
.layout {
  flex: 1; display: flex; gap: 0; min-height: 0;
  max-width: 1280px; width: 100%; margin: 0 auto;
}
.sidebar {
  width: 280px; flex-shrink: 0;
  padding: 18px 16px; overflow-y: auto;
  border-right: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.panel h3 {
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  color: var(--faint); text-transform: uppercase;
  margin: 20px 0 8px; padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}
.panel h3:first-child { margin-top: 0; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; }
.kv dt { color: var(--faint); font-size: 13px; }
.kv dd { margin: 0; font-size: 13px; text-align: right; word-break: break-all; }
.note { font-size: 13px; color: var(--muted); margin: 6px 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }

/* ---------- 工作区 ---------- */
.workspace { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.broadcast-bar {
  padding: 10px 18px; font-size: 13px;
  background: var(--blue-soft); border-bottom: 1px solid var(--line-soft);
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.ctx-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 8px 18px; font-size: 12px; color: var(--faint);
  border-bottom: 1px solid var(--line-soft);
}
.ctx-item b { color: var(--muted); font-weight: 600; }
.ctx-sep { width: 1px; height: 14px; background: var(--line); }
.ctx-note { margin-left: auto; }

/* ---------- 对话面板 ---------- */
.panes { flex: 1; display: flex; overflow-x: auto; overflow-y: hidden; min-height: 0; }
.pane {
  flex: 1; min-width: 320px; display: flex; flex-direction: column;
  border-right: 1px solid var(--line-soft); min-height: 0;
}
.pane:last-child { border-right: 0; }
.pane-head {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-bottom: 1px solid var(--line-soft);
  background: var(--bg-soft);
}
.pane-title { font-weight: 600; font-size: 14px; }
.pane-tag {
  font-size: 11px; padding: 1px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}
.pane-msgs { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.msg { max-width: 82%; }
.msg-meta { font-size: 11px; color: var(--faint); margin-bottom: 4px; }
.msg-bubble {
  padding: 10px 14px; border-radius: var(--radius);
  font-size: 14px; white-space: pre-wrap; word-break: break-word;
}
.msg.user { align-self: flex-end; }
.msg.user .msg-bubble { background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; }
.msg.assistant .msg-bubble { background: var(--panel-2); border: 1px solid var(--line-soft); border-bottom-left-radius: 4px; }
.msg-error .msg-bubble { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.msg-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.badge-pill {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line-soft); color: var(--muted);
}
.badge-pill.warn { color: var(--warn); border-color: var(--warn); }
.pane-empty { margin: auto; text-align: center; color: var(--faint); font-size: 14px; }
.pane-empty .big { font-size: 40px; margin-bottom: 8px; opacity: .5; }
.fb-inline { margin-top: 6px; display: flex; gap: 6px; }
.fb-btn {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  border-radius: var(--radius-sm); padding: 3px 10px; font-size: 12px; cursor: pointer;
}
.fb-btn:hover { border-color: var(--accent); color: var(--accent); }
.fb-btn.is-on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* ---------- 输入区 ---------- */
.composer {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 18px 16px; border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.composer textarea {
  resize: none; width: 100%;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; font-size: 14px; font-family: inherit; line-height: 1.6;
}
.composer textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.composer-foot { display: flex; align-items: center; gap: 12px; }
.composer-hint { font-size: 12px; color: var(--faint); margin-right: auto; }

/* ---------- 变体列表 ---------- */
.variant-list { display: flex; flex-direction: column; gap: 8px; margin: 8px 0; }
.variant-item {
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 10px 12px; cursor: pointer; transition: border-color .15s;
}
.variant-item:hover { border-color: var(--muted); }
.variant-item.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.variant-name { font-weight: 600; font-size: 13px; }
.variant-meta { font-size: 11px; color: var(--faint); }
.variant-body { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, .55);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-card {
  width: 100%; max-width: 460px; max-height: 86vh; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 22px 24px;
}
.modal-card.wide { max-width: 620px; }
.modal-card h2 { margin: 0 0 10px; font-size: 18px; }
.modal-card label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
.modal-card input[type=text], .modal-card input[type=password], .modal-card textarea {
  width: 100%; box-sizing: border-box; margin-top: 4px;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 9px 12px; font-size: 14px; font-family: inherit;
}
.modal-card input:focus, .modal-card textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.check { display: flex !important; gap: 8px; align-items: flex-start; }
.check input { margin-top: 3px; accent-color: var(--accent); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.policy-box {
  background: var(--bg); border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
  padding: 12px 14px; font-size: 13px; max-height: 220px; overflow-y: auto;
  white-space: pre-wrap; color: var(--muted);
}

/* ---------- 结构化反馈 ---------- */
.fb-group { border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 12px 14px; margin: 12px 0; }
.fb-group legend { font-size: 13px; font-weight: 600; color: var(--ink); padding: 0 6px; }
.radio { display: flex !important; gap: 8px; align-items: flex-start; margin: 6px 0 !important; }
.radio input { margin-top: 3px; accent-color: var(--accent); }
.chunk-list { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.chunk-item { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; }
.chunk-item input { margin-top: 3px; accent-color: var(--accent); }
.chunk-head { display: flex; gap: 8px; align-items: baseline; }
.chunk-title { font-weight: 600; color: var(--ink); font-size: 12px; }
.chunk-text { color: var(--faint); font-size: 12px; max-height: 3.2em; overflow: hidden; }

/* ---------- 提示条 ---------- */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 22px; font-size: 14px; z-index: 60;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .35);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; border-right: 0; border-bottom: 1px solid var(--line-soft);
    max-height: 40vh; }
  .pane { min-width: 100%; }
  .ctx-note { display: none; }
  .topbar { padding: 10px 14px; }
  .mode-hint { display: none; }
}