/* ================= 民乐工坊 · 客户端样式 ================= */
:root{
  --ink:#1b2430;
  --ink-2:#2a3646;
  --ink-3:#3c4a5c;
  --paper:#f5f2ea;
  --card:#ffffff;
  --line:#e7e1d5;
  --line-2:#efe9de;
  --accent:#b23a32;
  --accent-soft:#f6e9e6;
  --gold:#c2a15c;
  --muted:#8d8578;
  --ok:#2f7d5c;
  --warn:#b4791f;
  --shadow:0 10px 30px rgba(27,36,48,.08);
  --shadow-sm:0 2px 8px rgba(27,36,48,.06);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:14px/1.6 "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:12px}
.accent{color:var(--accent)}
b{font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:10px;border:1px solid transparent;
  background:#eef1f4;color:var(--ink);cursor:pointer;font-size:14px;
  transition:.18s ease;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.primary{background:linear-gradient(135deg,#b23a32,#932c26);color:#fff;box-shadow:0 6px 16px rgba(178,58,50,.24)}
.btn.primary:hover{box-shadow:0 8px 20px rgba(178,58,50,.32)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink-2)}
.btn.ghost:hover{border-color:#d6cfc1;background:#fbfaf7}
.btn.link{background:transparent;color:var(--accent);padding:4px 6px}
.btn.small{padding:5px 12px;font-size:13px;border-radius:8px}
.btn.block{width:100%}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field>label{font-size:13px;color:#5a6472;font-weight:600}
.field input[type=text],.field input:not([type]),.field input[type=password],.field input[type=file],
.field select,.field textarea,.filters input,.filters select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);font-size:14px;outline:none;transition:.16s;
}
.field input:focus,.field select:focus,.field textarea:focus,.filters input:focus,.filters select:focus{
  border-color:#c9b48b;box-shadow:0 0 0 3px rgba(194,161,92,.14);
}
.field textarea{resize:vertical;min-height:56px}
.field input[readonly]{background:#f7f5f0;color:var(--muted)}
input[type=range]{
  -webkit-appearance:none;width:100%;height:6px;border-radius:6px;
  background:linear-gradient(90deg,#b23a32 var(--p,20%),#e7e1d5 var(--p,20%));outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;
  border:3px solid var(--accent);cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.16)
}
.field-row{display:flex;gap:16px}
.field-row>.field{flex:1;min-width:0}

/* ================= 登录 ================= */
.login-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:50;overflow:hidden}
.login-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 15%,rgba(194,161,92,.22),transparent 45%),
    radial-gradient(circle at 82% 78%,rgba(178,58,50,.22),transparent 42%),
    linear-gradient(140deg,#151d28,#1e2836 55%,#141a24);
}
.login-bg::after{
  content:"民";position:absolute;right:6%;bottom:-6%;font-size:46vw;line-height:1;
  color:rgba(255,255,255,.035);font-family:"KaiTi","STKaiti","Microsoft YaHei",serif;
}
.login-card{
  position:relative;width:400px;max-width:92vw;background:#fff;border-radius:18px;
  padding:34px 34px 24px;box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.brand-line{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.logo-mark{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#b23a32,#8e2b25);color:#fff;font-size:26px;
  font-family:"KaiTi","STKaiti",serif;box-shadow:0 8px 20px rgba(178,58,50,.3);flex:none;
}
.logo-mark.small{width:38px;height:38px;border-radius:11px;font-size:20px}
.brand-line h1{font-size:22px;letter-spacing:.08em}
.brand-line p{font-size:12px;color:var(--muted);margin-top:2px}
.login-error{color:var(--accent);font-size:13px;min-height:20px;margin-top:8px}
.login-foot{margin-top:14px;text-align:center;font-size:12px;color:var(--muted)}

/* ================= 布局 ================= */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{
  width:216px;flex:none;display:flex;flex-direction:column;
  background:linear-gradient(180deg,#1d2634,#151c27);
  color:#cfd6e0;padding:20px 14px 16px;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 6px 20px}
.side-brand-text strong{display:block;color:#fff;font-size:15px;letter-spacing:.1em}
.side-brand-text small{color:#8794a6;font-size:11px}
.nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 14px 11px 18px;border:0;border-radius:10px;background:transparent;
  color:#b7c1cf;font-size:14px;cursor:pointer;text-align:left;transition:.16s;
}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(178,58,50,.16);color:#fff}
.nav-item .bar{
  position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background:var(--accent);transition:.2s;
}
.nav-item.active .bar{height:18px}
.side-foot{padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}
.user-chip{display:flex;align-items:center;gap:8px;padding:6px 8px 12px;font-size:13px;color:#dfe5ee}
.user-chip .dot{width:7px;height:7px;border-radius:50%;background:#5ec98f;box-shadow:0 0 0 3px rgba(94,201,143,.18)}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 28px 14px;
}
.topbar h2{font-size:20px;letter-spacing:.04em}
.topbar p{font-size:12.5px;color:var(--muted);margin-top:3px}
.topbar-right{display:flex;align-items:center;gap:10px}
.pill{
  font-size:12px;color:#5d6b7c;background:#fff;border:1px solid var(--line);
  padding:5px 12px;border-radius:20px;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.content{flex:1;overflow:auto;padding:6px 28px 110px}
.view{animation:fade .25s ease}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

.grid-main{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.95fr);gap:18px;align-items:start}
.side-col{display:flex;flex-direction:column;gap:18px}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm);margin-bottom:18px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.card-head h3{font-size:15.5px;letter-spacing:.04em}
.card.notice{background:linear-gradient(180deg,#fffdf7,#fff9ee);border-color:#efe3c8}
.card.notice p{font-size:12.5px;color:#7a7264;margin-top:6px;line-height:1.7}
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filters input,.filters select{padding:7px 10px;font-size:13px;width:auto;min-width:120px}

/* ---------- 模式切换 ---------- */
.modeswitch{display:flex;gap:10px;margin-bottom:18px}
.mode{
  flex:1;display:flex;gap:10px;align-items:flex-start;text-align:left;
  padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;
  cursor:pointer;transition:.18s;
}
.mode:hover{border-color:#d8ceae}
.mode.active{border-color:var(--accent);background:linear-gradient(180deg,#fffaf8,#fff);box-shadow:0 6px 16px rgba(178,58,50,.1)}
.mode .radio{
  width:16px;height:16px;border-radius:50%;border:2px solid #cfc7b8;flex:none;margin-top:2px;
  transition:.18s;position:relative;
}
.mode.active .radio{border-color:var(--accent)}
.mode.active .radio::after{
  content:"";position:absolute;inset:2.5px;border-radius:50%;background:var(--accent);
}
.mode-body b{display:block;font-size:13.5px;color:var(--ink)}
.mode-body small{display:block;font-size:11.5px;color:var(--muted);margin-top:2px;line-height:1.5}

/* ---------- 标签选择 ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  padding:7px 15px;border-radius:20px;border:1px solid var(--line);background:#fff;
  color:#5f6773;font-size:13px;cursor:pointer;transition:.16s;
}
.chip:hover{border-color:#d5cbb6;color:var(--ink)}
.chip.active{background:linear-gradient(135deg,#b23a32,#962f28);border-color:transparent;color:#fff;box-shadow:0 4px 12px rgba(178,58,50,.24)}

.actions{display:flex;gap:10px;align-items:center;margin-top:6px}

/* ---------- 生成状态 ---------- */
.job{margin-top:16px;padding:13px 15px;border-radius:12px;background:#f8f6f1;border:1px dashed var(--line)}
.job .job-title{font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}
.job .job-sub{font-size:12px;color:var(--muted);margin-top:4px}
.spinner{
  width:14px;height:14px;border-radius:50%;border:2px solid rgba(178,58,50,.25);
  border-top-color:var(--accent);animation:spin .8s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 结果 ---------- */
.result-card{min-height:220px}
.empty{text-align:center;padding:26px 10px;color:var(--muted)}
.empty-icon{
  width:54px;height:54px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-size:24px;
}
.empty p{font-size:12.5px}
.result-title{font-size:17px;font-weight:600;margin-bottom:4px}
.result-meta{font-size:12px;color:var(--muted);margin-bottom:12px}
.result-card audio{width:100%;margin:6px 0 10px}
.result-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.tag{font-size:11.5px;padding:3px 9px;border-radius:6px;background:#f2efe7;color:#6f6656}
.tag.accent{background:var(--accent-soft);color:var(--accent)}

/* ---------- 列表 / 统计 ---------- */
.list{display:flex;flex-direction:column;gap:8px;max-height:320px;overflow:auto}
.list-item{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;
  border:1px solid transparent;cursor:pointer;transition:.16s;
}
.list-item:hover{background:#faf8f3;border-color:var(--line-2)}
.list-item .li-play{
  width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:grid;place-items:center;font-size:11px;flex:none;
}
.list-item .li-main{min-width:0;flex:1}
.list-item .li-main b{display:block;font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list-item .li-main small{color:var(--muted);font-size:11.5px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:#faf8f3;border-radius:11px;padding:12px;text-align:center}
.stat b{display:block;font-size:19px;color:var(--accent)}
.stat span{font-size:11.5px;color:var(--muted)}

/* ---------- 上传 ---------- */
.upload-grid{display:grid;grid-template-columns:300px 1fr;gap:18px}
.dropzone{
  border:1.5px dashed #d9d1c1;border-radius:12px;background:#fbfaf6;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:22px;text-align:center;cursor:pointer;transition:.18s;min-height:190px;
}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#fff8f6}
.dz-icon{font-size:26px;color:var(--accent);margin-bottom:6px}
.dz-title{font-size:13px;font-weight:600}
.dz-hint{font-size:12px;color:var(--muted);margin-top:6px;word-break:break-all}
.progress{height:6px;background:#eee9df;border-radius:6px;overflow:hidden;margin-top:14px}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,#b23a32,#d06a4e);transition:width .2s}

/* ---------- 表格 ---------- */
.table-wrap{overflow:auto;border:1px solid var(--line-2);border-radius:12px}
.table{width:100%;border-collapse:collapse;font-size:13px;min-width:860px}
.table th{
  text-align:left;padding:11px 12px;background:#faf8f3;color:#6d7582;
  font-weight:600;font-size:12.5px;white-space:nowrap;border-bottom:1px solid var(--line-2);
}
.table td{padding:11px 12px;border-bottom:1px solid #f4f0e8;vertical-align:middle}
.table tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#fdfcf9}
.table .t-title{font-weight:600;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.table .t-sub{font-size:11.5px;color:var(--muted)}
.badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:20px;background:#f1efe8;color:#6f6656}
.badge.done{background:#e8f5ee;color:var(--ok)}
.badge.pending{background:#fdf3e3;color:var(--warn)}
.badge.failed{background:#fdeae8;color:var(--accent)}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.pager{display:flex;justify-content:flex-end;gap:8px;align-items:center;margin-top:12px;font-size:12.5px;color:var(--muted)}

/* ---------- 特征库 ---------- */
.school-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.school-item{border:1px solid var(--line-2);border-radius:11px;padding:12px;background:#fbfaf6}
.school-item b{display:block;font-size:14px}
.school-item span{font-size:11.5px;color:var(--muted)}
.classify-result{margin-top:14px;padding:14px;border-radius:11px;background:#faf8f3;border:1px solid var(--line-2)}
.classify-result .big{font-size:16px;font-weight:600;color:var(--accent)}

/* ---------- 播放条 ---------- */
.playerbar{
  position:fixed;left:216px;right:0;bottom:0;z-index:20;
  display:flex;align-items:center;gap:16px;padding:10px 24px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(27,36,48,.06);
}
.pb-title{display:flex;align-items:center;gap:10px;min-width:180px;max-width:300px;font-size:13px;font-weight:600}
.pb-title span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.eq{display:inline-flex;align-items:flex-end;gap:2px;height:14px}
.eq i{width:3px;background:var(--accent);border-radius:2px;animation:eq .9s ease-in-out infinite}
.eq i:nth-child(1){height:6px;animation-delay:0s}
.eq i:nth-child(2){height:12px;animation-delay:.15s}
.eq i:nth-child(3){height:8px;animation-delay:.3s}
@keyframes eq{0%,100%{transform:scaleY(.5)}50%{transform:scaleY(1)}}
#pb-audio{flex:1;height:36px}
.pb-right{display:flex;align-items:center;gap:12px}

/* ---------- 提示 / 弹窗 ---------- */
.toast{
  position:fixed;left:50%;top:24px;transform:translate(-50%,-20px);
  background:#1f2836;color:#fff;padding:11px 20px;border-radius:10px;font-size:13px;
  box-shadow:0 12px 30px rgba(0,0,0,.24);opacity:0;pointer-events:none;transition:.24s;z-index:80;
  max-width:70vw;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{background:#8e2b25}
.toast.ok{background:#2f7d5c}

.modal{position:fixed;inset:0;background:rgba(20,26,35,.5);display:grid;place-items:center;z-index:70;padding:24px}
.modal-card{background:#fff;border-radius:16px;width:min(720px,94vw);max-height:84vh;display:flex;flex-direction:column;box-shadow:0 30px 60px rgba(0,0,0,.28)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line-2)}
.modal-body{padding:18px 22px;overflow:auto}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.kv div{background:#faf8f3;border-radius:9px;padding:9px 11px}
.kv span{display:block;font-size:11.5px;color:var(--muted)}
.kv b{font-size:13.5px}
.about p{margin-bottom:8px;font-size:13px}

/* 高级参数折叠 */
details.adv{margin:2px 0 16px;border:1px solid var(--line-2);border-radius:10px;padding:0 12px;background:#fbfaf6}
details.adv>summary{cursor:pointer;font-size:12.5px;color:#5a6472;padding:10px 0;outline:none;list-style:none}
details.adv>summary::-webkit-details-marker{display:none}
details.adv>summary::before{content:"▸ ";color:var(--muted)}
details.adv[open]>summary::before{content:"▾ "}
details.adv[open]{padding-bottom:4px}
details.adv .field{margin-top:6px}

/* 设置页提示 */
#ai-msg{line-height:1.7;word-break:break-all}
.ai-group{margin-bottom:4px}
.ai-group .field:last-child{margin-bottom:12px}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .grid-main{grid-template-columns:1fr}
  .upload-grid{grid-template-columns:1fr}
  .sidebar{width:180px}
  .playerbar{left:180px}
}
@media (max-width:760px){
  .sidebar{display:none}
  .playerbar{left:0}
  .content{padding:6px 14px 120px}
  .topbar{padding:14px}
  .field-row{flex-direction:column;gap:0}
}