/* ==========================================================================
   Aurora Chat · 极光 — 私有 AI 聊天工作台
   ========================================================================== */

:root {
  --acc1: #34d399;
  --acc2: #22d3ee;
  --acc3: #818cf8;
  --grad: linear-gradient(135deg, var(--acc1), var(--acc2) 52%, var(--acc3));

  --bg: #0a0e14;
  --bg-deep: #070a10;
  --panel: #10161f;
  --panel-2: #151d29;
  --border: #1f2a3a;
  --border-soft: #182231;
  --text: #e7edf5;
  --muted: #8b95a8;
  /* 原 #5b6579 在 --panel(#10161f) 上只有 3.23:1、在更亮的 --panel-2(#151d29) 上 3.10:1，
     低于 WCAG AA 的 4.5:1。它是时间戳/占位符/说明文字的颜色，都属于正文。
     提到 #7e8697：panel-2 4.63:1 / panel 4.97:1 / 页底 5.29:1，且仍明显暗于 --muted 以保留层级。 */
  --faint: #7e8697;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #34d399;
  --code-bg: #0d1117;

  --radius: 14px;
  --side-w: 282px;
  --content-w: 860px;

  --shadow: 0 8px 28px rgba(0, 0, 0, .38);
  --glow: 0 0 0 1px rgba(34, 211, 238, .22), 0 0 24px rgba(34, 211, 238, .10);
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-deep: #eceff6;
  --panel: #ffffff;
  --panel-2: #f2f5fa;
  --border: #dde4ee;
  --border-soft: #e8edf5;
  --text: #1b2432;
  --muted: #5d6b81;
  --faint: #93a0b4;
  --danger: #dc2626;
  --code-bg: #0d1117;
  --shadow: 0 8px 28px rgba(23, 43, 77, .12);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  overflow: hidden;
}
::selection { background: rgba(34, 211, 238, .28); }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: var(--faint); background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
.hidden { display: none !important; }
.mobile-only { display: none; }

/* ---------- 布局骨架 ---------- */
#app { display: flex; height: 100dvh; }

#sidebar {
  width: var(--side-w);
  min-width: var(--side-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 14px 12px;
  gap: 10px;
  transition: margin-left .25s ease;
}
#sidebar.collapsed { margin-left: calc(-1 * var(--side-w)); }

.side-head { display: flex; align-items: center; justify-content: space-between; padding: 2px 4px 6px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand-logo { width: 34px; height: 34px; flex: none; }
.logo-bg { fill: var(--bg-deep); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: .2px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* 品牌名是页面唯一 h1：保留视觉不变，只抹平浏览器默认 h1 的边距与字号 */
h1.brand-name { margin: 0; line-height: 1.2; }
.brand-sub { font-size: 11px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.btn-new {
  padding: 10px 14px; border-radius: 12px; font-weight: 600; font-size: 14px;
  background: var(--grad); color: #06231c;
  transition: filter .15s ease, transform .1s ease;
}
[data-theme="light"] .btn-new { color: #fff; }
.btn-new:hover { filter: brightness(1.08); }
.btn-new:active { transform: scale(.985); }

.search-box input {
  width: 100%; padding: 8px 12px; border-radius: 10px; font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--border-soft); outline: none;
  transition: border-color .15s ease;
}
.search-box input:focus { border-color: var(--acc2); }
.search-box input::placeholder { color: var(--faint); }

#conv-list { flex: 1; overflow-y: auto; margin: 0 -4px; padding: 0 4px; }
.conv-item {
  position: relative; display: flex; flex-direction: column; gap: 2px;
  padding: 9px 30px 9px 12px; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; margin-bottom: 2px;
}
.conv-item:hover { background: var(--panel-2); }
.conv-item.active { background: var(--panel-2); border-color: var(--border); }
.conv-item.active::before {
  content: ""; position: absolute; left: 0; top: 10px; bottom: 10px; width: 3px;
  border-radius: 3px; background: var(--grad);
}
.conv-title { font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-meta { font-size: 11px; color: var(--faint); display: flex; gap: 6px; align-items: center; }
.conv-meta .tag { padding: 0 6px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--border-soft); }
.conv-item .conv-acts { position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  display: none; gap: 2px; }
.conv-item:hover .conv-acts { display: flex; }
.conv-acts button { width: 24px; height: 24px; border-radius: 6px; font-size: 12px; color: var(--muted);
  display: flex; align-items: center; justify-content: center; }
.conv-acts button:hover { background: var(--border); color: var(--text); }
.conv-acts button.del:hover { color: var(--danger); }
.conv-empty { text-align: center; color: var(--faint); font-size: 12.5px; padding: 26px 10px; }

.side-foot { display: flex; gap: 6px; border-top: 1px solid var(--border-soft); padding-top: 10px; }
.side-action {
  flex: 1; padding: 8px 6px; border-radius: 10px; font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--border-soft); background: var(--panel-2); white-space: nowrap;
  transition: color .15s, border-color .15s;
}
.side-action:hover { color: var(--text); border-color: var(--border); }

.icon-btn {
  width: 30px; height: 30px; border-radius: 8px; display: inline-flex;
  align-items: center; justify-content: center; color: var(--muted); font-size: 15px; flex: none;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--panel-2); color: var(--text); }

#side-mask { display: none; }

/* ---------- 主区域 ---------- */
#main { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }

#chat-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  z-index: 5;
}
#head-info { min-width: 0; flex: 1; }
#head-title { font-weight: 600; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#head-sub { font-size: 11.5px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.head-actions { display: flex; align-items: center; gap: 8px; flex: none; }

.seg { display: flex; background: var(--panel-2); border: 1px solid var(--border-soft); border-radius: 10px; padding: 2px; }
.seg button { padding: 5px 11px; border-radius: 8px; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.seg button.active { background: var(--panel); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.25); }

.select {
  max-width: 190px; padding: 6px 26px 6px 10px; border-radius: 10px; font-size: 12.5px;
  background: var(--panel-2); border: 1px solid var(--border-soft); outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b95a8' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.select:focus { border-color: var(--acc2); }

/* ---------- 消息区 ---------- */
#messages { flex: 1; overflow-y: auto; overscroll-behavior: contain; scroll-behavior: auto; }
#msg-col { max-width: var(--content-w); margin: 0 auto; padding: 20px 20px 12px; display: flex; flex-direction: column; gap: 18px; }

#btn-jump-bottom {
  position: absolute; bottom: 132px; left: 50%; transform: translateX(-50%);
  padding: 7px 14px; border-radius: 999px; font-size: 12px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border); box-shadow: var(--shadow); z-index: 6;
}
#btn-jump-bottom:hover { border-color: var(--acc2); }

.msg { display: flex; gap: 12px; animation: rise .22s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .msg { animation: none; } }

.msg .avatar {
  width: 32px; height: 32px; border-radius: 10px; flex: none; margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  background: var(--panel-2); border: 1px solid var(--border);
}
.msg.assistant .avatar { background: var(--bg-deep); }
.msg.assistant .avatar svg { width: 22px; height: 22px; }
.msg.user { flex-direction: row-reverse; }
.msg.user .avatar { background: var(--grad); border: none; color: #06231c; }
[data-theme="light"] .msg.user .avatar { color: #fff; }

.msg .bubble { max-width: calc(100% - 88px); min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.msg.user .bubble {
  background: linear-gradient(135deg, rgba(52, 211, 153, .10), rgba(129, 140, 248, .12));
  border: 1px solid rgba(34, 211, 238, .16);
  padding: 10px 14px; border-radius: 16px 16px 4px 16px;
}
[data-theme="light"] .msg.user .bubble {
  background: linear-gradient(135deg, rgba(52, 211, 153, .12), rgba(129, 140, 248, .14));
  border-color: rgba(34, 211, 238, .25);
}
.msg.assistant .bubble {
  background: var(--panel); border: 1px solid var(--border-soft);
  padding: 12px 16px; border-radius: 16px 16px 16px 4px;
}
.msg.user .msg-text { white-space: pre-wrap; word-break: break-word; font-size: 14.5px; }

.msg-foot { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--faint); flex-wrap: wrap; }
.msg-foot .spacer { flex: 1; }
.msg-foot .meta { margin-right: 6px; }
.msg-act { width: 24px; height: 24px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--faint); opacity: 0; transition: opacity .15s, background .15s, color .15s; }
.msg:hover .msg-act { opacity: 1; }
.msg-act:hover { background: var(--panel-2); color: var(--text); }
.msg-act.danger:hover { color: var(--danger); }
@media (hover: none) { .msg-act { opacity: 1; } }

/* 思考过程折叠块 */
details.thinking {
  border: 1px dashed var(--border); border-radius: 10px; background: var(--panel-2);
  padding: 6px 10px; font-size: 12.5px; color: var(--muted);
}
details.thinking summary { cursor: pointer; user-select: none; font-size: 12px; color: var(--faint); }
details.thinking summary:hover { color: var(--muted); }
.thinking-body { white-space: pre-wrap; word-break: break-word; margin-top: 6px; line-height: 1.65; max-height: 260px; overflow-y: auto; }

/* 流式光标 */
.cursor::after { content: "▍"; color: var(--acc2); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* 错误卡片 */
.error-card {
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  background: color-mix(in srgb, var(--danger) 8%, var(--panel));
  border-radius: 10px; padding: 10px 12px; font-size: 13px; color: var(--text);
}
.error-card .err-title { color: var(--danger); font-weight: 600; margin-bottom: 4px; }
.error-card .err-hint { color: var(--muted); font-size: 12px; margin-top: 6px; }
.error-card .retry { margin-top: 8px; padding: 4px 12px; border-radius: 8px; font-size: 12px;
  border: 1px solid var(--border); background: var(--panel-2); }

/* ---------- Markdown 正文 ---------- */
.md-body { word-break: break-word; font-size: 14.5px; }
.md-body > :first-child { margin-top: 0; }
.md-body > :last-child { margin-bottom: 0; }
.md-body p { margin: .55em 0; }
.md-body h1, .md-body h2, .md-body h3, .md-body h4 { margin: 1em 0 .45em; line-height: 1.35; }
.md-body h1 { font-size: 1.3em; } .md-body h2 { font-size: 1.18em; } .md-body h3 { font-size: 1.06em; }
.md-body h2 { border-bottom: 1px solid var(--border-soft); padding-bottom: .25em; }
.md-body ul, .md-body ol { margin: .5em 0; padding-left: 1.5em; }
.md-body li { margin: .28em 0; }
.md-body a { color: var(--acc2); text-decoration: none; }
.md-body a:hover { text-decoration: underline; }
.md-body blockquote {
  margin: .7em 0; padding: .4em 1em; color: var(--muted);
  border-left: 3px solid var(--acc2); background: var(--panel-2); border-radius: 0 8px 8px 0;
}
.md-body hr { border: none; border-top: 1px solid var(--border-soft); margin: 1em 0; }
.md-body code {
  font-family: "Cascadia Code", Consolas, "JetBrains Mono", Menlo, monospace;
  font-size: .86em; background: color-mix(in srgb, var(--acc2) 13%, transparent);
  padding: .14em .4em; border-radius: 6px;
}
.md-body table { border-collapse: collapse; margin: .7em 0; width: 100%; font-size: .93em; display: block; overflow-x: auto; }
.md-body th, .md-body td { border: 1px solid var(--border); padding: 6px 11px; text-align: left; }
.md-body th { background: var(--panel-2); font-weight: 600; white-space: nowrap; }
.md-body img { max-width: 100%; border-radius: 10px; }

.code-block { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin: .7em 0; background: var(--code-bg); }
.code-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 12px; background: #161b22; border-bottom: 1px solid #21262d;
  font-size: 11.5px; color: #8b949e;
}
.code-head .copy-code { color: #8b949e; font-size: 11.5px; padding: 2px 8px; border-radius: 6px; }
.code-head .copy-code:hover { color: #e6edf3; background: #21262d; }
.code-block pre { margin: 0; padding: 13px 15px; overflow-x: auto; }
.code-block pre code { background: none; padding: 0; font-size: 13px; line-height: 1.65; color: #e6edf3; font-family: "Cascadia Code", Consolas, "JetBrains Mono", Menlo, monospace; }

/* ---------- 对比模式 ---------- */
.round { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.round + .round { margin-top: 18px; }
.round-prompt {
  padding: 10px 14px; background: var(--panel-2); border-bottom: 1px solid var(--border);
  font-size: 14px; white-space: pre-wrap; word-break: break-word;
}
.round-cols { display: grid; grid-template-columns: 1fr 1fr; }
.round-col { padding: 12px 14px; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.round-col + .round-col { border-left: 1px solid var(--border); }
.col-head { display: flex; align-items: center; gap: 8px; font-size: 11.5px; color: var(--faint); }
.col-head .model-chip {
  padding: 2px 8px; border-radius: 999px; font-size: 11px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.col-head .win { color: var(--ok); font-weight: 700; }
.vote-bar { grid-column: 1 / -1; display: flex; justify-content: center; gap: 10px; padding: 10px; border-top: 1px dashed var(--border); }
.vote-bar button {
  padding: 5px 14px; border-radius: 999px; font-size: 12px; color: var(--muted);
  border: 1px solid var(--border); background: var(--panel-2);
}
.vote-bar button:hover { color: var(--text); border-color: var(--acc2); }
.vote-bar button.picked { color: #06231c; background: var(--grad); border-color: transparent; font-weight: 600; }
[data-theme="light"] .vote-bar button.picked { color: #fff; }
@media (max-width: 860px) { .round-cols { grid-template-columns: 1fr; } .round-col + .round-col { border-left: none; border-top: 1px solid var(--border); } }

/* ---------- 空状态 Hero ---------- */
.hero { text-align: center; padding: 7vh 16px 30px; position: relative; }
.hero-glow { position: absolute; inset: -40px 0 auto; height: 380px; pointer-events: none; filter: blur(70px); opacity: .32; }
.hero-glow::before, .hero-glow::after { content: ""; position: absolute; border-radius: 50%; }
.hero-glow::before { left: 12%; top: 10px; width: 340px; height: 200px; background: var(--acc1); }
.hero-glow::after { right: 10%; top: 60px; width: 380px; height: 220px; background: var(--acc3); }
[data-theme="light"] .hero-glow { opacity: .18; }
.hero-logo { width: 74px; height: 74px; position: relative; }
.hero h1, .hero h2 {
  margin: 14px 0 6px; font-size: 30px; letter-spacing: .5px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.btn {
  padding: 9px 18px; border-radius: 12px; font-size: 13.5px; font-weight: 600;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  transition: filter .15s, border-color .15s, transform .1s;
}
.btn:hover { border-color: var(--acc2); }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--grad); border: none; color: #06231c; }
[data-theme="light"] .btn.primary { color: #fff; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.starters { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 620px; margin: 0 auto; position: relative; }
.starters button {
  padding: 8px 14px; border-radius: 12px; font-size: 13px; color: var(--muted);
  border: 1px solid var(--border-soft); background: var(--panel);
  transition: color .15s, border-color .15s, transform .1s;
}
.starters button:hover { color: var(--text); border-color: var(--acc2); transform: translateY(-1px); }

/* ---------- 输入区 ---------- */
#composer { border-top: 1px solid var(--border); padding: 10px 16px 12px; background: var(--bg); }
.sys-pill {
  display: inline-flex; align-items: center; gap: 8px; max-width: 100%;
  margin: 0 auto 8px; display: flex; width: fit-content;
  padding: 4px 6px 4px 12px; border-radius: 999px; font-size: 12px; color: var(--muted);
  background: var(--panel-2); border: 1px dashed var(--border);
}
.sys-pill span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 480px; }
.sys-pill button { color: var(--faint); padding: 2px 8px; border-radius: 999px; font-size: 11.5px; }
.sys-pill button:hover { color: var(--text); background: var(--border); }

.input-row { display: flex; align-items: flex-end; gap: 8px; max-width: var(--content-w); margin: 0 auto; }
#input {
  flex: 1; resize: none; padding: 11px 14px; border-radius: 16px; font-size: 14.5px;
  background: var(--panel); border: 1px solid var(--border); outline: none;
  max-height: 190px; line-height: 1.55;
  transition: border-color .15s ease, box-shadow .15s ease;
}
#input:focus { border-color: var(--acc2); box-shadow: var(--glow); }
#input::placeholder { color: var(--faint); }

.btn-send {
  width: 42px; height: 42px; border-radius: 14px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--grad); color: #06231c;
  transition: filter .15s, transform .1s, opacity .15s;
}
[data-theme="light"] .btn-send { color: #fff; }
.btn-send:hover:not(:disabled) { filter: brightness(1.1); }
.btn-send:active:not(:disabled) { transform: scale(.94); }
.btn-send:disabled { opacity: .35; cursor: not-allowed; }
.btn-send.stopping { background: var(--danger); color: #fff; }

.input-foot {
  display: flex; justify-content: space-between; gap: 10px;
  max-width: var(--content-w); margin: 6px auto 0;
  font-size: 11px; color: var(--faint);
}

/* ---------- 模态框 ---------- */
#modal-root .backdrop {
  position: fixed; inset: 0; background: rgba(4, 8, 14, .62); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 18px;
  animation: fade .16s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: var(--shadow); width: 100%; max-width: 620px; max-height: 86dvh;
  display: flex; flex-direction: column; animation: pop .18s ease;
}
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.985); } }
.modal.wide { max-width: 760px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px 0; }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { padding: 14px 18px 18px; overflow-y: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 12px 18px 16px; border-top: 1px solid var(--border-soft); }

.tabs { display: flex; gap: 4px; padding: 0 18px 10px; border-bottom: 1px solid var(--border-soft); flex-wrap: wrap; }
.tabs button { padding: 6px 12px; border-radius: 9px; font-size: 13px; color: var(--muted); }
.tabs button.active { background: var(--panel-2); color: var(--text); }

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
.form-row input[type=text], .form-row input[type=password], .form-row input[type=number], .form-row select, .form-row textarea {
  width: 100%; padding: 9px 12px; border-radius: 10px; font-size: 13.5px;
  background: var(--panel-2); border: 1px solid var(--border-soft); outline: none;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { border-color: var(--acc2); }
.form-row textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
.form-row .hint { font-size: 11.5px; color: var(--faint); margin-top: 4px; line-height: 1.5; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.form-inline { display: flex; gap: 8px; align-items: center; }
.form-inline input { flex: 1; }
.range-row { display: flex; align-items: center; gap: 12px; }
.range-row input[type=range] { flex: 1; accent-color: var(--acc2); }
.range-row .val { min-width: 34px; text-align: center; font-variant-numeric: tabular-nums; font-size: 13px; }
.check-row { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; }
.check-row input { accent-color: var(--acc2); width: 15px; height: 15px; }

.provider-card {
  display: flex; align-items: center; gap: 12px; padding: 11px 13px;
  border: 1px solid var(--border-soft); border-radius: 12px; background: var(--panel-2); margin-bottom: 9px;
}
.provider-card .p-info { flex: 1; min-width: 0; }
.provider-card .p-name { font-size: 13.5px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.provider-card .p-name .badge { font-size: 10px; padding: 1px 7px; border-radius: 999px; font-weight: 500;
  background: color-mix(in srgb, var(--acc1) 16%, transparent); color: var(--acc1); border: 1px solid color-mix(in srgb, var(--acc1) 35%, transparent); }
.provider-card .p-name .badge.gray { background: var(--panel); color: var(--faint); border-color: var(--border); }
.provider-card .p-url { font-size: 11.5px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.provider-card .p-acts { display: flex; gap: 4px; }
.provider-card .p-acts .icon-btn { width: 27px; height: 27px; font-size: 13px; }
.provider-card .p-acts .icon-btn.del:hover { color: var(--danger); }

.chip-list { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 6px 4px 11px;
  border-radius: 999px; font-size: 12px; font-variant-numeric: tabular-nums;
  background: var(--panel-2); border: 1px solid var(--border);
}
.chip button { color: var(--faint); font-size: 11px; width: 16px; height: 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.chip button:hover { color: var(--danger); background: var(--border); }

.tpl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 640px) { .tpl-grid { grid-template-columns: 1fr; } }
.tpl-card {
  text-align: left; padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--border-soft); background: var(--panel-2);
  transition: border-color .15s, transform .1s; position: relative;
}
.tpl-card:hover { border-color: var(--acc2); transform: translateY(-1px); }
.tpl-card .t-title { font-size: 13.5px; font-weight: 600; margin-bottom: 4px; display: flex; gap: 6px; align-items: center; }
.tpl-card .t-body {
  font-size: 11.5px; color: var(--faint); line-height: 1.5; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tpl-card .t-del { position: absolute; top: 8px; right: 8px; width: 22px; height: 22px; border-radius: 6px;
  font-size: 11px; color: var(--faint); display: flex; align-items: center; justify-content: center; }
.tpl-card .t-del:hover { color: var(--danger); background: var(--border); }

.about-list { font-size: 13px; color: var(--muted); line-height: 1.8; margin: 0; padding-left: 18px; }
.about-list b { color: var(--text); }

/* ---------- Toast ---------- */
#toast-root { position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%); z-index: 99;
  display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none; }
.toast {
  padding: 9px 18px; border-radius: 999px; font-size: 13px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border); box-shadow: var(--shadow);
  animation: toast-in .2s ease;
}
.toast.ok { border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.toast.err { border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.toast.out { opacity: 0; transition: opacity .25s ease; }

/* ---------- 响应式 ---------- */
@media (max-width: 820px) {
  .mobile-only { display: inline-flex; }
  #sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 40;
    transform: translateX(-100%); transition: transform .25s ease; margin-left: 0 !important;
    width: min(86vw, 320px); box-shadow: var(--shadow);
  }
  #sidebar.open { transform: none; }
  #side-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 39; }
  #side-mask.show { display: block; }
  #btn-hide-side { display: none; }
  .head-actions { gap: 5px; }
  .seg button { padding: 5px 8px; font-size: 12px; }
  .select { max-width: 128px; }
  #head-sub { display: none; }
  #msg-col { padding: 14px 12px 10px; }
  .msg .bubble { max-width: calc(100% - 48px); }
  .form-grid { grid-template-columns: 1fr; }
  #btn-jump-bottom { bottom: 118px; }
}
@media (max-width: 560px) {
  #chat-head { padding: 8px 10px; gap: 6px; }
  .seg button { padding: 5px 7px; font-size: 11.5px; }
  .select { max-width: 106px; padding-right: 22px; font-size: 12px; }
  .head-actions { gap: 4px; }
}