/* 海龟汤 AI 工坊 — 双主题（夜间 / 白天） */
:root {
  /* 夜间模式（默认）：深夜海面风 */
  --bg: #0e1420;
  --bg2: #131b2a;
  --card: #17202f;
  --card2: #1c2637;
  --line: #26334a;
  --text: #e8e3d5;
  --muted: #8fa0b8;
  --amber: #d9a441;
  --amber-dim: #a87f2f;
  --accent-text: #d9a441;
  --green: #6cc28b;
  --red: #e07a6a;
  --yellow: #e5c07b;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --body-grad-top: #16233a;
  --topbar-bg: rgba(14, 20, 32, .86);
  --overlay: rgba(5, 8, 14, .7);
  --amber-soft-bg: rgba(217, 164, 65, .09);
  --amber-soft-border: rgba(217, 164, 65, .35);
  --amber-weak-bg: rgba(217, 164, 65, .04);
  --green-soft-bg: rgba(108, 194, 139, .1);
  --green-soft-border: rgba(108, 194, 139, .35);
  --warn-bg: rgba(224, 122, 106, .12);
  --warn-border: rgba(224, 122, 106, .4);
  --warn-text: #f0b9b0;
}
:root[data-theme="light"] {
  /* 白天模式：暖纸日光风 */
  --bg: #eef1f6;
  --bg2: #f7f9fc;
  --card: #ffffff;
  --card2: #edf1f7;
  --line: #d8dfeb;
  --text: #27313f;
  --muted: #64728a;
  --amber: #c9902b;
  --amber-dim: #a8791f;
  --accent-text: #9c6f14;
  --green: #2e9e5b;
  --red: #d95545;
  --yellow: #a06b00;
  --shadow: 0 6px 22px rgba(30, 45, 80, .1);
  --body-grad-top: #e2eaf6;
  --topbar-bg: rgba(255, 255, 255, .85);
  --overlay: rgba(20, 30, 50, .45);
  --amber-soft-bg: rgba(201, 144, 43, .12);
  --amber-soft-border: rgba(168, 121, 31, .45);
  --amber-weak-bg: rgba(201, 144, 43, .06);
  --green-soft-bg: rgba(46, 158, 91, .08);
  --green-soft-border: rgba(46, 158, 91, .4);
  --warn-bg: rgba(217, 85, 69, .08);
  --warn-border: rgba(217, 85, 69, .45);
  --warn-text: #b3432f;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 500px at 50% -100px, var(--body-grad-top) 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  min-height: 100vh;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.error { color: var(--red); font-size: 13px; margin-top: 8px; }

/* ---- 顶栏 ---- */
.topbar { position: sticky; top: 0; z-index: 50; background: var(--topbar-bg); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.logo { font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.logo::first-letter { color: var(--amber); }
nav { display: flex; gap: 6px; flex-wrap: wrap; }
.tab { background: transparent; border: 1px solid transparent; color: var(--muted); padding: 8px 16px; border-radius: 10px; cursor: pointer; font-size: 14.5px; transition: all .15s; }
.tab:hover { color: var(--text); background: var(--card2); }
.tab.active { color: var(--accent-text); background: var(--amber-soft-bg); border-color: var(--amber-soft-border); }

.banner { max-width: 1200px; margin: 14px auto -6px; padding: 10px 16px; background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: 10px; color: var(--warn-text); font-size: 13.5px; }
.banner a { color: var(--accent-text); }

.container { max-width: 1200px; margin: 20px auto 60px; padding: 0 20px; }
.view { animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---- 卡片与表单 ---- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px; box-shadow: var(--shadow); margin-bottom: 18px; }
.card h3 { margin-bottom: 14px; font-size: 17px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.row-gap { display: flex; align-items: center; gap: 12px; margin-top: 12px; flex-wrap: wrap; }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; background: var(--bg2); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--amber-dim); }
textarea { resize: vertical; }
input[type="range"] { padding: 0; accent-color: var(--amber); }
input[type="checkbox"] { width: auto; accent-color: var(--amber); }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 6px 0 14px; font-size: 14px; cursor: pointer; }
.check input { margin-top: 3px; flex: none; }
.check span { flex: 1; }
.two-col { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px; }

.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button { flex: 1; min-width: 90px; background: var(--bg2); border: 1px solid var(--line); color: var(--muted); padding: 9px 6px; border-radius: 10px; cursor: pointer; font-size: 13.5px; transition: all .15s; }
.seg button.active { color: var(--accent-text); border-color: var(--amber-soft-border); background: var(--amber-soft-bg); }

.btn { border: 1px solid var(--line); background: var(--card2); color: var(--text); padding: 10px 18px; border-radius: 10px; cursor: pointer; font-size: 14px; transition: all .15s; }
.btn:hover { border-color: var(--amber-dim); }
.btn.primary { background: linear-gradient(135deg, #d9a441, #b9822a); color: #20180a; font-weight: 700; border: none; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.big { width: 100%; padding: 14px; font-size: 16px; }
.btn.small-btn { padding: 6px 12px; font-size: 13px; white-space: nowrap; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---- 生成页 ---- */
.gen-grid { display: grid; grid-template-columns: 360px 1fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .gen-grid { grid-template-columns: 1fr; } }
.form-card { position: sticky; top: 76px; }

#stageList { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.stage-item { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted); }
.stage-item .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); flex: none; }
.stage-item.running { color: var(--accent-text); }
.stage-item.running .dot { background: var(--amber); animation: pulse 1s infinite; }
.stage-item.done { color: var(--green); }
.stage-item.done .dot { background: var(--green); }
@keyframes pulse { 50% { opacity: .35; } }

.log { max-height: 180px; overflow-y: auto; font-size: 12.5px; color: var(--muted); background: var(--bg2); border-radius: 10px; padding: 10px 12px; line-height: 1.7; }
.log .warn { color: var(--yellow); }
.log .err { color: var(--red); }
.log div { animation: fadein .2s; }

/* ---- 汤品结果卡 ---- */
.soup-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; margin-bottom: 18px; box-shadow: var(--shadow); animation: fadein .3s; }
.soup-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; flex-wrap: wrap; }
.soup-title { font-size: 21px; font-weight: 700; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0 4px; }
.badge { font-size: 12px; padding: 3px 10px; border-radius: 20px; background: var(--bg2); border: 1px solid var(--line); color: var(--muted); }
.badge.judge-pass { color: var(--green); border-color: var(--green-soft-border); }
.badge.judge-fixed { color: var(--yellow); border-color: var(--warn-border); }
.soup-body { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 14px; }
.soup-body.with-img { grid-template-columns: 1fr 260px; }
@media (max-width: 700px) { .soup-body.with-img { grid-template-columns: 1fr; } }
.soup-img img { width: 100%; border-radius: 12px; border: 1px solid var(--line); display: block; }
.surface-text { font-size: 16.5px; line-height: 1.9; background: linear-gradient(135deg, var(--amber-soft-bg), var(--amber-weak-bg)); border: 1px solid var(--amber-soft-border); border-radius: 12px; padding: 16px 18px; }
.sec-title { font-size: 14px; color: var(--accent-text); margin: 14px 0 8px; font-weight: 700; }
.clue-list, .hint-list { padding-left: 20px; line-height: 1.9; font-size: 14px; color: var(--text); opacity: .88; }
details.sec { border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; margin-top: 10px; background: var(--bg2); }
details.sec summary { cursor: pointer; color: var(--accent-text); font-size: 14px; font-weight: 700; user-select: none; }
details.sec .sec-inner { margin-top: 10px; }
.qa-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.qa-table th, .qa-table td { border: 1px solid var(--line); padding: 7px 10px; text-align: left; }
.qa-table th { background: var(--card2); color: var(--muted); font-weight: 600; }
.qa-table td:first-child { width: 72%; }
.soup-actions { display: flex; gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.soup-actions .btn { padding: 8px 14px; font-size: 13px; }
.warn-list { font-size: 12.5px; color: var(--yellow); margin-top: 8px; line-height: 1.7; }

/* ---- 历史 ---- */
.history-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 14px; }
.history-item { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 8px; transition: border-color .15s; }
.history-item:hover { border-color: var(--amber-dim); }
.hi-title { font-weight: 700; font-size: 15px; }
.hi-preview { font-size: 12.5px; color: var(--muted); line-height: 1.6; flex: 1; }
.hi-meta { font-size: 12px; color: var(--muted); }
.hi-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.hi-actions .btn { padding: 5px 10px; font-size: 12px; }

/* ---- AI 主持 ---- */
.surface-quote { background: var(--amber-weak-bg); border-left: 3px solid var(--amber); padding: 12px 16px; border-radius: 0 10px 10px 0; font-size: 14.5px; line-height: 1.8; margin: 10px 0 16px; }
.chat { max-height: 46vh; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; padding: 6px 2px; margin-bottom: 14px; }
.msg { max-width: 82%; padding: 10px 14px; border-radius: 14px; font-size: 14.5px; line-height: 1.75; animation: fadein .2s; white-space: pre-wrap; word-break: break-word; }
.msg.host { align-self: flex-start; background: var(--card2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg.player { align-self: flex-end; background: var(--amber-soft-bg); border: 1px solid var(--amber-soft-border); border-bottom-right-radius: 4px; }
.msg.win { align-self: flex-start; background: var(--green-soft-bg); border: 1px solid var(--green-soft-border); }
.chat-input-row { display: flex; gap: 10px; }
.chat-input-row input { flex: 1; }

/* ---- 流式思维链（默认折叠 + 模糊，双重防剧透） ---- */
details.stream, details.host-think { border: 1px solid var(--line); border-radius: 10px; background: var(--bg2); margin-top: 6px; }
details.stream summary, details.host-think summary { cursor: pointer; padding: 8px 12px; color: var(--muted); font-size: 13px; user-select: none; }
.spoiler-tag { font-size: 11px; color: var(--warn-text); border: 1px solid var(--warn-border); background: var(--warn-bg); border-radius: 10px; padding: 1px 8px; margin-left: 6px; }
.stream-scroll { max-height: 280px; overflow-y: auto; padding: 2px 12px 10px; }
.stream-label { color: var(--accent-text); font-weight: 700; font-size: 12.5px; margin: 8px 0 4px; }
.stream-text { white-space: pre-wrap; word-break: break-word; color: var(--muted); line-height: 1.7; margin: 0 0 6px; font-family: inherit; font-size: 12.5px; filter: blur(5px); user-select: none; transition: filter .2s; }
.stream-scroll.revealed .stream-text, .stream-text.revealed { filter: none; user-select: text; }
.reveal-btn { font-size: 12px; background: var(--card2); border: 1px solid var(--line); color: var(--muted); border-radius: 8px; padding: 4px 10px; cursor: pointer; margin: 6px 0; }
.reveal-btn:hover { border-color: var(--amber-dim); color: var(--accent-text); }
details.host-think { max-width: 88%; }
details.host-think pre { margin: 0 12px 10px; max-height: 200px; overflow-y: auto; }

/* ---- 设置 ---- */
.inline-row { display: flex; gap: 8px; align-items: center; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; max-height: 130px; overflow-y: auto; margin-top: 8px; }
.chips:empty { display: none; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 14px; background: var(--bg2); border: 1px solid var(--line); color: var(--text); cursor: pointer; transition: all .15s; }
.chip:hover { border-color: var(--amber-dim); color: var(--accent-text); }
.test-result { font-size: 13px; line-height: 1.6; }
.test-result.ok { color: var(--green); }
.test-result.fail { color: var(--red); }

/* ---- 弹窗 / 提示 ---- */
.modal { position: fixed; inset: 0; background: var(--overlay); backdrop-filter: blur(4px); z-index: 100; display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 40px 16px; }
.modal-body { background: var(--card); border: 1px solid var(--line); border-radius: 16px; max-width: 860px; width: 100%; padding: 26px; box-shadow: var(--shadow); }
.toast { position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%); background: var(--card2); border: 1px solid var(--amber-dim); color: var(--text); padding: 12px 22px; border-radius: 12px; z-index: 200; box-shadow: var(--shadow); font-size: 14px; animation: fadein .2s; }
.toast.err { border-color: var(--red); color: var(--warn-text); }

/* ---- 登录锁屏 ---- */
.lock { position: fixed; inset: 0; background: radial-gradient(900px 500px at 50% 0%, var(--body-grad-top), var(--bg)); z-index: 300; display: flex; align-items: center; justify-content: center; }
.lock-box { width: 340px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 34px 28px; text-align: center; box-shadow: var(--shadow); }
.lock-logo { font-size: 44px; margin-bottom: 8px; }
.lock-box h2 { margin-bottom: 6px; }
.lock-box input { margin: 18px 0 12px; text-align: center; }
.lock-box .btn { width: 100%; }