/* 抖音文案工具 v6 · 昇音工作台（即梦风：浅底 + 紫蓝渐变）
   界面与「主播切片工具 v5」同一套设计语言 */

:root{
  --brand:#6d5bff;
  --brand-2:#4da6ff;
  --grad:linear-gradient(120deg,#6d5bff,#4da6ff);
  --grad-text:linear-gradient(100deg,#2a1d78,#6d5bff 48%,#4da6ff);
  --bg:#f6f7fb;
  --surface:#ffffff;
  --surface-2:#fbfcfe;
  --line:rgba(24,27,64,.09);
  --line-2:rgba(24,27,64,.16);
  --text:#151728;
  --text-2:#5b6079;
  --text-3:#7d839c;
  --ok:#12b886;
  --warn:#ff8a3d;
  --danger:#e0325b;
  --r:16px;
  --sh:0 10px 30px rgba(56,68,140,.08);
  --sh-hi:0 20px 44px rgba(56,68,140,.16);
}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:14.5px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
h2,h3,h4{margin:0}

.app{height:100%;display:flex;flex-direction:column}

/* ============ 顶栏 ============ */
.topbar{
  height:64px;flex:0 0 auto;display:flex;align-items:center;gap:20px;padding:0 20px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);position:relative;z-index:20;
}
.tb-left{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--grad);box-shadow:0 8px 20px rgba(109,91,255,.32)}
.mark svg{width:20px;height:20px;stroke:#fff;stroke-width:2}
.tb-title b{display:block;font-size:16px;letter-spacing:.06em}
.tb-title i{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--text-3)}
.ver{font-size:11px;padding:2px 8px;border-radius:999px;color:var(--brand);background:rgba(109,91,255,.10);border:1px solid rgba(109,91,255,.18)}
.tb-mid{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.tabs{display:flex;gap:4px;background:rgba(24,27,64,.045);padding:4px;border-radius:999px;overflow:auto}
.tabs button{padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);white-space:nowrap;transition:.22s ease}
.tabs button:hover{color:var(--brand)}
.tabs button.on{color:#fff;background:var(--grad);font-weight:600;box-shadow:0 6px 16px rgba(109,91,255,.28)}
.tb-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;border:1px solid var(--line-2);background:#fff;font-size:12.5px;color:var(--text-2)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--warn);box-shadow:0 0 0 3px rgba(255,138,61,.16)}
.pill.ok .dot{background:var(--ok);box-shadow:0 0 0 3px rgba(18,184,134,.16)}

/* ============ 主体 ============ */
.body{flex:1 1 auto;display:flex;min-height:0}
.side{
  width:250px;flex:0 0 auto;padding:18px 16px;border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.4));overflow:auto;
  display:flex;flex-direction:column;gap:20px;
}
.side-block h4{font-size:12px;letter-spacing:.18em;color:var(--text-3);margin-bottom:10px;font-weight:600}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.steps li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2)}
.steps li b{width:20px;height:20px;flex:0 0 auto;border-radius:6px;display:grid;place-items:center;font-size:11px;background:rgba(109,91,255,.10);color:var(--brand);border:1px solid rgba(109,91,255,.2)}
.steps li.done{color:var(--text)}
.steps li.done b{background:var(--grad);color:#fff;border-color:transparent}
.side-note{margin:0;font-size:12.5px;color:var(--text-3);line-height:1.65}
.mini{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.mini li{font-size:12.5px;color:var(--text-2);padding-bottom:9px;border-bottom:1px dashed var(--line)}
.mini li:last-child{border-bottom:0;padding-bottom:0}
.mini b{display:block;color:var(--text);font-size:13px}
.mini em{font-style:normal;color:var(--text-3);font-size:11.5px}

.main{flex:1 1 auto;min-width:0;overflow:auto;padding:22px 24px 20px}
.page{display:none;animation:fade .35s ease}
.page.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px;flex-wrap:wrap}
.page-head h2{font-size:22px;font-weight:750;letter-spacing:-.01em}
.page-head p{margin:6px 0 0;color:var(--text-2);font-size:13.5px;max-width:780px}
.head-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ============ 卡片 / 控件 ============ */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:16px;margin-bottom:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);margin-bottom:16px}
.grid .card{margin-bottom:0}
.card-h{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.card-h>b{width:22px;height:22px;border-radius:7px;display:grid;place-items:center;flex:0 0 auto;font-size:12px;color:#fff;background:var(--grad)}
.card-h>span:first-of-type{font-weight:700;font-size:15px}
.spacer{flex:1 1 auto}
.tag{font-style:normal;font-size:11.5px;color:var(--text-3);padding:3px 9px;border-radius:999px;background:rgba(24,27,64,.045);border:1px solid var(--line)}
.muted{color:var(--text-3)}

.input{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line-2);background:var(--surface-2);transition:.2s ease;outline:none}
.input:focus{border-color:rgba(109,91,255,.45);box-shadow:0 0 0 4px rgba(109,91,255,.10);background:#fff}
.input.sm{padding:9px 12px;font-size:13px;width:auto}
.area{resize:vertical;min-height:96px;line-height:1.7}
.area.tall{min-height:210px}
select.input{appearance:none;padding-right:30px;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}
.row.end{justify-content:flex-end}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);cursor:pointer}
.chk input{accent-color:#6d5bff}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:12px;font-size:13.5px;font-weight:600;transition:.22s ease;border:1px solid transparent;white-space:nowrap}
.btn.primary{color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(109,91,255,.28)}
.btn.primary:hover{transform:translateY(-1px);box-shadow:0 16px 32px rgba(109,91,255,.4)}
.btn.ghost{border-color:var(--line-2);background:#fff;color:var(--text-2)}
.btn.ghost:hover{border-color:rgba(109,91,255,.35);color:var(--brand);background:rgba(109,91,255,.05)}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none}

.out{border:1px solid var(--line);border-radius:12px;background:var(--surface-2);padding:14px;min-height:120px;color:var(--text-2);white-space:pre-wrap;font-size:13.5px;word-break:break-word}
.out.dim{color:var(--text-3);background:#fafbfd}
.out b.hit{color:var(--danger);font-weight:700;background:rgba(224,50,91,.12);border-radius:4px;padding:0 3px}
.meta-line{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);margin-bottom:10px}
.meta-line b{color:var(--text);font-weight:600}
.url-box{display:flex;gap:8px;margin-top:12px;align-items:center}
.url-box input{flex:1 1 auto;min-width:0}

/* ============ 搜索结果 ============ */
.result-bar{display:flex;gap:16px;align-items:center;font-size:13px;color:var(--text-2);padding:4px 2px 12px}
.result-bar b{color:var(--brand)}
.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.video-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:.25s ease}
.video-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hi);border-color:rgba(109,91,255,.28)}
.thumb-wrap{position:relative;aspect-ratio:16/10;background:linear-gradient(120deg,#eee9ff,#e6f1ff);overflow:hidden}
.thumb-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.thumb-wrap .ph{width:100%;height:100%;display:grid;place-items:center;font-size:26px;color:#b9b3e6}
.thumb-wrap .dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.5);color:#fff;font-size:11.5px;padding:2px 8px;border-radius:6px}
.video-card .info{padding:12px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.video-card .desc{font-size:13px;line-height:1.55;height:60px;overflow:hidden;color:var(--text)}
.video-card .author{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-2)}
.video-card .author img{width:20px;height:20px;border-radius:50%;object-fit:cover}
.video-card .stats{display:flex;gap:12px;font-size:12px;color:var(--text-3)}
.video-card .actions{display:flex;gap:8px;padding:0 12px 12px}
.video-card .actions button{flex:1 1 0;padding:8px 10px;border-radius:10px;font-size:12.5px;border:1px solid var(--line-2);background:#fff;color:var(--text-2)}
.video-card .actions button:hover{border-color:rgba(109,91,255,.35);color:var(--brand)}
.video-card .actions button.primary{color:#fff;background:var(--grad);border-color:transparent;font-weight:600}
.skeleton{background:linear-gradient(90deg,#f1f2f7 25%,#e9ebf5 37%,#f1f2f7 63%);background-size:400% 100%;animation:sk 1.3s ease infinite;border-radius:12px}
.skeleton-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.skeleton-thumb{height:132px;border-radius:0}
.skeleton-text{height:14px;margin:12px}
.skeleton-text.short{width:55%}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ============ 洗稿库 ============ */
.wash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.wash-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:8px}
.wash-card b{font-size:14.5px}
.wash-card p{margin:0;color:var(--text-3);font-size:12.5px}
.empty{grid-column:1/-1;padding:34px;text-align:center;color:var(--text-3);font-size:13.5px;border:1px dashed var(--line-2);border-radius:14px;background:rgba(109,91,255,.03)}

.flow,.faq{margin:0;padding-left:18px;color:var(--text-2);font-size:13.5px;line-height:1.9}
.flow b,.faq b{color:var(--text)}

/* ============ 弹窗 / 提示 / 页脚 ============ */
.modal{position:fixed;inset:0;z-index:120;background:rgba(16,18,38,.42);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;padding:20px}
.modal.on{display:flex}
.modal-card{width:min(420px,100%);background:#fff;border-radius:18px;padding:24px;box-shadow:0 30px 70px rgba(20,25,60,.28)}
.modal-card h3{font-size:18px;margin-bottom:6px}
.modal-card p{margin:0 0 16px;color:var(--text-2);font-size:13.5px}
.modal-card .err{color:var(--danger);font-size:12.5px;min-height:18px;margin-top:8px}
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:rgba(21,23,40,.94);color:#fff;padding:12px 22px;border-radius:12px;font-size:13.5px;box-shadow:0 20px 44px rgba(0,0,0,.28);transition:.3s ease;z-index:200;max-width:80vw}
.toast.on{opacity:1;transform:translate(-50%,0)}
.page-footer{padding:16px 24px 26px;text-align:center;color:var(--text-3);font-size:12.5px}
.page-footer a{color:var(--text-3);text-decoration:none;margin-left:10px}
.page-footer a:hover{color:var(--brand)}

@media (max-width:1100px){ .side{display:none} .tb-mid{justify-content:flex-start} }
@media (max-width:720px){
  .grid{grid-template-columns:1fr}
  .main{padding:16px}
  .topbar{height:auto;flex-wrap:wrap;padding:12px 14px;gap:12px}
  .tabs{width:100%}
}