/* ==========================================================================
   吉剪 · 视觉系统
   白 / 羊皮纸底 + 单一 Action Blue + 胶囊按钮 + 摄影优先 + 零装饰渐变
   ========================================================================== */

:root{
  --primary:#0066cc;
  --primary-focus:#0071e3;
  --primary-on-dark:#2997ff;
  --ink:#1d1d1f;
  --ink-80:#333333;
  --muted:#7a7a7a;
  --canvas:#ffffff;
  --parchment:#f5f5f7;
  --pearl:#fafafc;
  --hairline:#e0e0e0;
  --divider:#f0f0f0;
  --tile:#272729;
  --tile-2:#2a2a2c;
  --danger:#d13438;
  --ok:#1d9a4e;
  --r-sm:8px;
  --r-md:11px;
  --r-lg:18px;
  --pill:9999px;
  --shadow-img:0 3px 30px rgba(0,0,0,.22);
  --font:"SF Pro Text","SF Pro Display","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  --nav-h:44px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  font-size:17px;
  line-height:1.47;
  letter-spacing:-.374px;
  color:var(--ink);
  background:var(--canvas);
  -webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
a{color:var(--primary);text-decoration:none}
.dim{color:var(--muted)}

/* ---------------- 全局导航（系统里唯一的纯黑） ---------------- */
.gnav{
  height:var(--nav-h);
  background:#000;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;
  position:sticky;top:0;z-index:60;
}
.brand{display:flex;align-items:baseline;gap:10px;color:#fff}
.brand-mark{font-size:17px;font-weight:600;letter-spacing:-.374px}
.brand-sub{font-size:12px;color:#cccccc;letter-spacing:-.12px}
.gnav-links{display:flex;align-items:center;gap:8px}
.gnav-links a,.gnav-links button{
  background:#1d1d1f;color:#fff;border:0;border-radius:var(--r-sm);
  padding:5px 12px;font-size:12px;letter-spacing:-.12px;cursor:pointer;
  transition:transform .15s ease;
}
.gnav-links a:hover,.gnav-links button:hover{background:#333336}
.gnav-links a:active,.gnav-links button:active{transform:scale(.95)}

/* ---------------- 头图区 ---------------- */
.hero{
  background:var(--parchment);
  padding:52px 22px 44px;
  text-align:center;
}
.hero h1{
  font-size:48px;font-weight:600;line-height:1.07;letter-spacing:-.28px;
  margin:0 0 12px;
}
.hero .lead{
  font-size:21px;line-height:1.4;color:var(--ink-80);
  margin:0 auto;max-width:640px;font-weight:400;
}

/* ---------------- 环境提示条 ---------------- */
.banner{
  max-width:1400px;margin:0 auto;
  padding:14px 22px;font-size:15px;line-height:1.6;
}
.banner .inner{
  border-radius:var(--r-lg);padding:16px 20px;
  background:#fff8e6;border:1px solid #ffe08a;
}
.banner.good .inner{background:#eef8f1;border-color:#b6e0c4}
.banner.bad .inner{background:#fdeaea;border-color:#f3b7b7}
.banner b{font-weight:600}
.banner code{background:rgba(0,0,0,.05);padding:1px 6px;border-radius:5px;font-size:13px}

/* ---------------- 主体两栏 ---------------- */
.work{
  max-width:1400px;margin:0 auto;
  padding:36px 22px 40px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 384px;
  gap:24px;
  align-items:start;
}
.panel{
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--r-lg);
  padding:22px;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:6px;
}
.panel-head h2{
  font-size:21px;font-weight:600;letter-spacing:.231px;margin:0;
  display:flex;align-items:center;gap:8px;
}
.count{
  font-style:normal;font-size:13px;font-weight:600;color:var(--primary);
  background:#e8f3ff;border-radius:var(--pill);padding:2px 10px;
}
.panel-actions{display:flex;gap:8px;align-items:center}
.panel-tip{color:var(--muted);font-size:14px;margin:0 0 18px;letter-spacing:-.224px}
.drawer-close{display:none}

.mini-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary);color:#fff;border:0;
  border-radius:var(--pill);padding:8px 16px;font-size:14px;
  cursor:pointer;white-space:nowrap;transition:transform .15s ease;
}
.mini-btn:active{transform:scale(.95)}
.mini-btn.ghost{background:var(--canvas);color:var(--primary);border:1px solid var(--primary)}
.mini-btn[disabled]{opacity:.45;pointer-events:none}

/* ---------------- 素材格网 ---------------- */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(212px,1fr));
  gap:16px;
  min-height:180px;
}
.cell{
  border:1px solid var(--hairline);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--pearl);
  display:flex;flex-direction:column;
  transition:border-color .18s ease;
}
.cell:hover{border-color:#c9c9cc}
.cell.dragging{opacity:.4}
.cell.over{outline:2px solid var(--primary);outline-offset:2px}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--tile);
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.thumb img,.thumb video{
  width:100%;height:100%;object-fit:cover;display:block;
}
.thumb .audio-art{
  color:#8e8e93;font-size:26px;letter-spacing:2px;
}
.badge{
  position:absolute;left:8px;top:8px;
  background:rgba(0,0,0,.62);color:#fff;
  font-size:12px;letter-spacing:-.12px;
  border-radius:var(--pill);padding:3px 10px;
}
.thumb .del{
  position:absolute;right:6px;top:6px;
  width:28px;height:28px;border-radius:50%;
  background:rgba(210,210,215,.64);color:#1d1d1f;
  border:0;font-size:16px;line-height:1;cursor:pointer;
  opacity:0;transition:opacity .15s ease;
}
.cell:hover .thumb .del,.cell.touched .thumb .del{opacity:1}
.thumb .del:active{transform:scale(.92)}
.thumb .up{
  position:absolute;left:0;right:0;bottom:0;height:4px;width:100%;
  appearance:none;border:0;background:transparent;
}
.thumb .up::-webkit-progress-bar{background:rgba(255,255,255,.25)}
.thumb .up::-webkit-progress-value{background:var(--primary-on-dark)}
.thumb .up::-moz-progress-bar{background:var(--primary-on-dark)}
.cell .meta{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px}
.cell .name{
  font-size:14px;font-weight:600;letter-spacing:-.224px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.cell .sub{font-size:12px;color:var(--muted);letter-spacing:-.12px}
.cell .note{
  border:1px solid var(--divider);border-radius:var(--r-sm);
  padding:6px 9px;font-size:13px;background:#fff;width:100%;
}
.cell .note:focus{outline:2px solid var(--primary-focus);outline-offset:-1px;border-color:var(--primary-focus)}
.cell .up-txt{font-size:12px;color:var(--primary)}

.cell-add{
  border:1px dashed #c9c9cc;border-radius:var(--r-md);
  background:#fff;cursor:pointer;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;min-height:150px;font-size:14px;
  transition:border-color .18s ease,color .18s ease;
}
.cell-add:hover{border-color:var(--primary);color:var(--primary)}
.cell-add i{font-size:26px;font-style:normal;line-height:1}
.cell-add small{font-size:12px;color:var(--muted)}

.drop-hint{
  margin-top:16px;text-align:center;color:var(--muted);
  font-size:13px;border:1px dashed var(--divider);border-radius:var(--r-md);
  padding:12px;transition:.18s ease;
}
.grid.drag-on ~ .drop-hint,.drop-hint.on{border-color:var(--primary);color:var(--primary);background:#f6faff}

/* ---------------- 指令面板 ---------------- */
.side-panel{position:sticky;top:calc(var(--nav-h) + 20px)}
.fld{display:block;margin-bottom:16px}
.fld > span{display:block;font-size:14px;font-weight:600;letter-spacing:-.224px;margin-bottom:7px}
.fld input[type=text],.fld input[type=number],.fld textarea,.fld select{
  width:100%;padding:11px 14px;
  border:1px solid var(--hairline);border-radius:var(--r-md);
  background:#fff;font-size:15px;line-height:1.4;
}
.fld textarea{resize:vertical;min-height:112px;letter-spacing:-.2px}
.fld input:focus,.fld textarea:focus,.fld select:focus{
  outline:2px solid var(--primary-focus);outline-offset:-1px;border-color:var(--primary-focus);
}
.fld select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}

.pills{display:flex;flex-wrap:wrap;gap:8px}
.pills button{
  background:#fff;border:1px solid var(--hairline);
  border-radius:var(--pill);padding:8px 14px;
  font-size:14px;cursor:pointer;color:var(--ink-80);
  transition:transform .15s ease;
}
.pills button.on{border:2px solid var(--primary-focus);color:var(--primary);font-weight:600;padding:7px 13px}
.pills button:active{transform:scale(.95)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin:-4px 0 16px}
.chips button{
  background:var(--pearl);border:1px solid var(--divider);
  border-radius:var(--r-md);padding:7px 12px;font-size:13px;cursor:pointer;color:var(--ink-80);
}
.chips button:hover{border-color:var(--hairline)}

.two{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:end}
.switch{display:flex;align-items:center;gap:8px;font-size:14px;padding-bottom:12px;cursor:pointer}
.switch input{width:18px;height:18px;accent-color:var(--primary)}

.primary{
  width:100%;background:var(--primary);color:#fff;border:0;
  border-radius:var(--pill);padding:14px 28px;
  font-size:17px;font-weight:400;letter-spacing:-.374px;cursor:pointer;
  transition:transform .15s ease;
}
.primary:hover{background:var(--primary-focus)}
.primary:active{transform:scale(.95)}
.primary[disabled]{opacity:.5;pointer-events:none}
.foot-note{font-size:12px;color:var(--muted);margin:10px 0 0;letter-spacing:-.12px;line-height:1.5}

.run{margin-top:18px;padding-top:16px;border-top:1px solid var(--divider)}
.bar{height:4px;border-radius:var(--pill);background:var(--divider);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--primary);transition:width .4s ease}
.run-step{font-size:13px;color:var(--ink-80);margin:10px 0 12px;letter-spacing:-.12px}

/* ---------------- 成片 ---------------- */
.result-panel{max-width:1400px;margin:0 auto 40px;width:calc(100% - 44px)}
.player{background:var(--tile);border-radius:var(--r-md);overflow:hidden;margin-bottom:14px}
.player video{width:100%;max-height:62vh;display:block;background:#000}
.result-meta{font-size:14px;color:var(--muted);margin-bottom:16px}
.plan{border-top:1px solid var(--divider);padding-top:14px}
.plan summary{font-size:15px;font-weight:600;cursor:pointer;letter-spacing:-.224px}
.plan pre{
  white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  font-size:13px;line-height:1.75;background:var(--parchment);
  border-radius:var(--r-md);padding:16px;margin:12px 0 0;color:var(--ink-80);
}

/* ---------------- 页脚 ---------------- */
.foot{
  border-top:1px solid var(--divider);
  padding:28px 22px 40px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:var(--muted);letter-spacing:-.12px;
  max-width:1400px;margin:0 auto;
}

/* ---------------- 抽屉 / 弹层 ---------------- */
.sheet{position:fixed;inset:0;z-index:100}
.sheet-mask{position:absolute;inset:0;background:rgba(0,0,0,.32)}
.sheet-body{
  position:absolute;right:0;top:0;bottom:0;width:min(440px,92vw);
  background:#fff;overflow:auto;padding:22px;
  animation:slide .22s ease;
}
@keyframes slide{from{transform:translateX(24px);opacity:.4}to{transform:none;opacity:1}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.sheet-head h3{font-size:21px;font-weight:600;margin:0;letter-spacing:.231px}
.sheet-head .drawer-close{display:block}
.plan-body{white-space:pre-wrap;font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.75;color:var(--ink-80);margin:0}
.works-list{display:flex;flex-direction:column;gap:10px}
.work-item{
  border:1px solid var(--divider);border-radius:var(--r-md);
  padding:14px;cursor:pointer;display:flex;gap:12px;align-items:center;
}
.work-item:hover{border-color:var(--hairline);background:var(--pearl)}
.work-item .wi-thumb{
  width:64px;height:40px;border-radius:var(--r-sm);background:var(--tile);
  overflow:hidden;flex:0 0 auto;
}
.work-item .wi-thumb img{width:100%;height:100%;object-fit:cover}
.work-item .wi-main{min-width:0;flex:1}
.work-item .wi-name{font-size:15px;font-weight:600;letter-spacing:-.224px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.work-item .wi-sub{font-size:12px;color:var(--muted);letter-spacing:-.12px}
.work-item .wi-del{background:none;border:0;color:var(--muted);cursor:pointer;font-size:16px;padding:4px 8px}

.toast{
  position:fixed;left:50%;bottom:32px;transform:translateX(-50%);
  background:rgba(29,29,31,.94);color:#fff;
  border-radius:var(--pill);padding:11px 22px;font-size:14px;
  z-index:200;max-width:88vw;text-align:center;
}

/* ---------------- 移动端底部操作条 ---------------- */
.mobile-bar{display:none}

/* ==========================================================================
   响应式：≤900px 变成 App 式单屏布局
   ========================================================================== */
@media (max-width:900px){
  :root{--nav-h:44px}
  html,body{height:100%}
  body{
    display:flex;flex-direction:column;
    overflow:hidden;
    background:var(--parchment);
  }
  .gnav{padding:0 16px;flex:0 0 auto}
  .gnav-links a:last-child{display:none}
  .hero{padding:22px 16px 18px;text-align:left;flex:0 0 auto}
  .hero h1{font-size:30px;letter-spacing:-.3px;margin-bottom:6px}
  .hero .lead{font-size:15px}
  .banner{padding:0 16px 12px}
  .banner .inner{padding:12px 14px;font-size:13px;border-radius:var(--r-md)}

  .work{
    display:block;padding:0 16px;flex:1 1 auto;overflow:hidden;
  }
  .grid-panel{
    height:100%;display:flex;flex-direction:column;
    border-radius:var(--r-lg);padding:16px;overflow:hidden;
  }
  .panel-tip{display:none}
  .grid{
    grid-template-columns:repeat(2,1fr);
    gap:12px;overflow-y:auto;flex:1 1 auto;
    -webkit-overflow-scrolling:touch;padding-bottom:8px;
  }
  .drop-hint{display:none}
  .cell .meta{padding:8px 10px 10px}
  .cell .name{font-size:13px}
  .thumb .del{opacity:1}
  .cell-add{min-height:auto}

  /* 指令面板 → 底部抽屉 */
  .side-panel{
    position:fixed;left:0;right:0;bottom:0;top:auto;
    z-index:90;max-height:88vh;overflow-y:auto;
    border-radius:20px 20px 0 0;border-bottom:0;
    transform:translateY(101%);transition:transform .26s ease;
    padding-bottom:26px;
  }
  .side-panel.open{transform:none}
  .side-panel .drawer-close{display:block;background:none;border:0;font-size:24px;line-height:1;color:var(--muted);cursor:pointer}
  .side-panel::before{
    content:"";position:absolute;left:50%;top:8px;width:38px;height:4px;
    border-radius:var(--pill);background:var(--hairline);transform:translateX(-50%);
  }
  .side-panel .panel-head{margin-top:6px}

  .result-panel{display:none}
  .foot{display:none}

  .mobile-bar{
    display:grid;grid-template-columns:auto auto 1fr;gap:10px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(245,245,247,.86);
    backdrop-filter:saturate(180%) blur(20px);
    -webkit-backdrop-filter:saturate(180%) blur(20px);
    border-top:1px solid var(--divider);
    flex:0 0 auto;z-index:80;
  }
  .mbtn{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    background:var(--canvas);border:1px solid var(--hairline);
    border-radius:var(--r-md);padding:9px 14px;font-size:12px;
    cursor:pointer;color:var(--ink);min-width:62px;
  }
  .mbtn i{font-style:normal;font-size:15px;line-height:1}
  .mbtn:active{transform:scale(.95)}
  .mbtn-primary{
    background:var(--primary);border-color:var(--primary);color:#fff;
    font-size:15px;font-weight:400;flex-direction:row;
  }
  .work-item .wi-del{display:block}
}

@media (max-width:380px){
  .hero h1{font-size:26px}
  .grid{grid-template-columns:1fr 1fr}
}