/* =====================================================================================
 * 古风创作工作台 · 样式（宣纸 / 水墨 / 朱砂）
 * 纯手写，无外部依赖，移动端优先。
 * ===================================================================================== */

:root{
  --paper:#f6efe2;      /* 宣纸底 */
  --paper-2:#fbf7ee;
  --ink:#2f2a26;        /* 墨 */
  --ink-2:#5b5249;      /* 淡墨 */
  --ink-3:#8a7f72;      /* 更淡 */
  --line:#d8cbb4;       /* 界格线 */
  --cinnabar:#a8332a;   /* 朱砂 */
  --cinnabar-2:#c2503f;
  --bamboo:#5c7a63;     /* 青竹 */
  --gold:#c9a15a;       /* 泥金 */
  --shadow:0 6px 22px rgba(66,52,36,.12);
  --radius:14px;
  --serif:"KaiTi","STKaiti","Songti SC","Noto Serif SC","Source Han Serif SC",serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--serif);
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -8%, #fffdf7 0%, rgba(255,253,247,0) 60%),
    radial-gradient(900px 500px at 108% 6%, #f2e6cf 0%, rgba(242,230,207,0) 55%),
    var(--paper);
  min-height:100vh;
  line-height:1.65;
  font-size:15px;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:
    repeating-linear-gradient(0deg, rgba(120,100,70,.045) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(90deg, rgba(120,100,70,.03) 0 1px, transparent 1px 6px);
}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:.06em}
b{font-weight:700}
.hint{color:var(--ink-3);font-size:12.5px}

/* ---------------------------------------------------------------- 滚动进度 */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:transparent}
.scroll-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cinnabar),var(--gold))}

/* ---------------------------------------------------------------- 顶栏 */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;
  background:rgba(246,239,226,.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.seal{
  width:38px;height:38px;flex:0 0 38px;border-radius:8px;
  display:grid;place-items:center;
  background:linear-gradient(160deg,var(--cinnabar),#8d251d);
  color:#fff8ec;font-size:20px;font-weight:700;
  box-shadow:0 3px 10px rgba(168,51,42,.35);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-text strong{font-size:17px;letter-spacing:.08em;white-space:nowrap}
.brand-text small{font-size:11px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

.chip{
  font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper-2);color:var(--ink-2);white-space:nowrap;
}
.chip-ok{border-color:#b9d3c0;background:#eef6f0;color:#3d6b4d}
.chip-warn{border-color:#e2c9a2;background:#fdf5e6;color:#8a6420}
.chip-bad{border-color:#e8b7b2;background:#fdeeec;color:#98302a}
.badge{display:inline-block;margin-left:5px;min-width:17px;padding:0 4px;border-radius:999px;
  background:var(--cinnabar);color:#fff;font-size:11px;line-height:17px;text-align:center}

/* ---------------------------------------------------------------- 步骤条 */
.steps{
  position:sticky;top:59px;z-index:45;
  display:flex;gap:6px;padding:8px 12px;overflow-x:auto;
  background:rgba(246,239,226,.86);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.step{
  flex:0 0 auto;display:flex;align-items:center;gap:6px;
  font-family:var(--serif);font-size:13px;color:var(--ink-2);
  padding:5px 12px;border-radius:999px;border:1px dashed var(--line);
  background:rgba(255,255,255,.5);cursor:pointer;transition:.18s;
}
.step em{font-style:normal;color:var(--ink-3);font-size:12px}
.step:hover{border-color:var(--gold)}
.step.is-active{border-style:solid;border-color:var(--cinnabar);background:#fff;color:var(--cinnabar);box-shadow:0 2px 8px rgba(168,51,42,.12)}
.step.is-done em{color:var(--bamboo)}

/* ---------------------------------------------------------------- 布局 */
.layout{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);
  gap:16px;padding:16px;max-width:1500px;margin:0 auto;align-items:start;
}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}

/* ---------------------------------------------------------------- 面板 */
.panel{
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  position:relative;
}
.panel::after{
  content:"";position:absolute;inset:5px;border:1px solid rgba(201,161,90,.35);border-radius:9px;pointer-events:none;
}
.panel-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;
  padding:12px 16px 8px;
}
.panel-head h2{font-size:15.5px;color:var(--cinnabar);letter-spacing:.1em}
.panel-body{padding:0 16px 16px;display:flex;flex-direction:column;gap:10px}

/* ---------------------------------------------------------------- 表单 */
.input-textarea,.input-select,input[type=number]{
  width:100%;font-family:var(--serif);font-size:14.5px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;outline:none;
  transition:.18s;
}
.input-textarea{resize:vertical;min-height:150px;line-height:1.8}
.input-textarea:focus,.input-select:focus,input[type=number]:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,161,90,.16)}
.field{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--ink-2)}
.field-inline{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.field-inline input{width:74px;padding:5px 8px;font-size:13px}
input[type=range]{width:100%;accent-color:var(--cinnabar)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row{display:flex;align-items:center;gap:8px}
.row-wrap{flex-wrap:wrap}
.row-between{justify-content:space-between}

.switch{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);cursor:pointer;
  padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:#fff}
.switch input{accent-color:var(--cinnabar);width:15px;height:15px}
.switch:has(input:checked){border-color:var(--cinnabar);color:var(--cinnabar);background:#fdf4f2}

/* ---------------------------------------------------------------- 按钮 */
.btn{
  font-family:var(--serif);font-size:13.5px;letter-spacing:.05em;
  padding:8px 16px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;transition:.18s;white-space:nowrap;
}
.btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px rgba(66,52,36,.14)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:linear-gradient(160deg,var(--cinnabar),#8d251d);border-color:#8d251d;color:#fff8ec;font-weight:700}
.btn-secondary{background:#fff;border-color:var(--gold);color:#7a5a20}
.btn-ghost{background:rgba(255,255,255,.7)}
.btn-text{background:none;border:none;color:var(--ink-3);padding:4px 6px}
.btn-text:hover{color:var(--cinnabar);box-shadow:none}
.btn-block{width:100%;justify-content:center}
.btn-danger{color:var(--cinnabar);border-color:#e3bdb8}

/* ---------------------------------------------------------------- 分镜列表 */
.shot-list{display:flex;flex-direction:column;gap:12px;max-height:min(62vh,760px);overflow:auto;padding-right:2px}
.shot-card{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;
  position:relative;transition:.18s;
}
.shot-card:hover{border-color:var(--gold);box-shadow:0 4px 14px rgba(66,52,36,.1)}
.shot-card.is-dragging{opacity:.4}
.shot-index{
  position:absolute;top:-8px;left:-8px;width:26px;height:26px;border-radius:50%;
  background:var(--ink);color:#fff8ec;display:grid;place-items:center;font-size:12.5px;
  box-shadow:0 2px 6px rgba(0,0,0,.2);z-index:2;
}
.shot-figure{display:flex;flex-direction:column;gap:6px}
.shot-image-wrap{
  position:relative;width:132px;aspect-ratio:9/16;border-radius:8px;overflow:hidden;
  background:linear-gradient(160deg,#efe6d3,#e3d6bd);border:1px solid var(--line);
}
.shot-image{width:100%;height:100%;object-fit:cover;display:block}
.shot-image-wrap .loading{
  position:absolute;inset:0;display:grid;place-items:center;background:rgba(251,247,238,.82);
  font-size:12px;color:var(--ink-2);text-align:center;padding:6px;
}
.shot-figure .btn{padding:5px 8px;font-size:12px}
.shot-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.shot-body label{font-size:11.5px;color:var(--ink-3);letter-spacing:.05em}
.shot-body textarea{
  width:100%;font-family:var(--serif);font-size:13.5px;line-height:1.7;color:var(--ink);
  border:1px solid var(--line);border-radius:8px;padding:7px 9px;resize:vertical;background:#fffdf9;outline:none;
}
.shot-body textarea:focus{border-color:var(--gold)}
.shot-body textarea.narr{min-height:52px}
.shot-body textarea.prompt{min-height:46px;font-size:12.5px;color:var(--ink-2);background:#fbf8f1}
.shot-foot{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.shot-foot .sec{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-3)}
.shot-foot input[type=number]{width:58px;padding:3px 6px;font-size:12px}
.audio-state{font-size:11.5px;color:var(--bamboo)}
.audio-state.pending{color:var(--ink-3)}

/* ---------------------------------------------------------------- 预览 */
.preview-grid{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:14px}
.preview-box{position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;min-width:0}
.preview-title{font-size:12px;color:var(--ink-3);margin-bottom:6px;letter-spacing:.08em}
#videoPreview{width:100%;max-height:420px;border-radius:8px;background:#000;display:block}
.poster-scroll{max-height:420px;overflow:auto;border-radius:8px;background:repeating-linear-gradient(45deg,#f3ecdd 0 8px,#efe6d3 8px 16px)}
#posterPreview{width:100%;display:block;border-radius:8px}
.preview-empty{
  position:absolute;inset:29px 8px 8px;display:grid;place-items:center;
  color:var(--ink-3);font-size:13px;background:rgba(251,247,238,.75);border-radius:8px;text-align:center;
}
.preview-empty[hidden]{display:none}

.export-bar{border-top:1px dashed var(--line);padding-top:10px}

.progress{height:7px;border-radius:999px;background:#eae0cd;overflow:hidden;border:1px solid var(--line)}
.progress i{display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--bamboo),var(--gold));transition:width .25s}
.log-box{
  font-family:ui-monospace,Consolas,monospace;font-size:11.5px;line-height:1.7;color:var(--ink-2);
  background:#fffdf7;border:1px dashed var(--line);border-radius:8px;padding:8px 10px;
  max-height:150px;overflow:auto;white-space:pre-wrap;word-break:break-all;
}
.log-box:empty{display:none}

.empty,.preview-empty{text-align:center}
.empty{padding:26px 10px;color:var(--ink-3);border:1px dashed var(--line);border-radius:12px;background:rgba(255,255,255,.5)}
.empty p{margin:0 0 4px;font-size:14px;color:var(--ink-2)}
.empty span{font-size:12px}

/* ---------------------------------------------------------------- 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(390px,92vw);z-index:80;
  background:var(--paper-2);border-left:1px solid var(--line);box-shadow:-8px 0 30px rgba(66,52,36,.18);
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:15px;color:var(--cinnabar)}
.draft-list{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:10px}
.draft-item{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fff;cursor:pointer;transition:.16s}
.draft-item:hover{border-color:var(--gold);box-shadow:0 3px 10px rgba(66,52,36,.1)}
.draft-item h4{margin:0 0 4px;font-size:14px}
.draft-item p{margin:0;font-size:12px;color:var(--ink-3)}
.draft-item .acts{display:flex;gap:8px;margin-top:6px}
.mask{position:fixed;inset:0;background:rgba(47,42,38,.35);z-index:70;opacity:0;pointer-events:none;transition:.25s}
.mask.is-open{opacity:1;pointer-events:auto}

/* ---------------------------------------------------------------- 提示 / 忙碌 */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:95;
  background:var(--ink);color:#fdf7ec;padding:9px 18px;border-radius:999px;font-size:13.5px;
  opacity:0;pointer-events:none;transition:.25s;max-width:88vw;text-align:center;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}
.toast.is-bad{background:#8d251d}
.toast.is-ok{background:#3d6b4d}

.busy{position:fixed;inset:0;z-index:90;display:none;place-items:center;background:rgba(246,239,226,.62);backdrop-filter:blur(3px)}
.busy.is-show{display:grid}
.busy-box{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 22px;box-shadow:var(--shadow);font-size:14px}
.spinner{width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--cinnabar);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------------------------------------------------------- 页脚 */
.footer{padding:18px 16px 40px;text-align:center;color:var(--ink-3);font-size:12px;position:relative;z-index:1}

/* ---------------------------------------------------------------- 移动端 */
@media (max-width:980px){
  .layout{grid-template-columns:1fr;padding:12px}
  .preview-grid{grid-template-columns:1fr}
  .shot-list{max-height:none}
  .steps{top:57px}
  .brand-text small{display:none}
}
@media (max-width:520px){
  .shot-card{grid-template-columns:104px minmax(0,1fr);padding:8px}
  .shot-image-wrap{width:104px}
  .grid-2{grid-template-columns:1fr}
  .btn{padding:8px 12px;font-size:13px}
  .col-left{order:2}
  .col-right{order:1}
}