/* ========= 星愿圣诞树 · 样式 ========= */
:root{
  --gold:#e8c66a;
  --gold-soft:#f6e3a8;
  --gold-deep:#b78b2a;
  --red:#e0455c;
  --green:#2f8f63;
  --ink:#05070c;
  --panel:rgba(12,16,24,.62);
  --panel-solid:#0c1119;
  --line:rgba(232,198,106,.22);
  --txt:#e9e6de;
  --txt-dim:#9aa0ad;
  --radius:14px;
  --shadow:0 18px 50px rgba(0,0,0,.55);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0; overflow:hidden; background:var(--ink); color:var(--txt);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",system-ui,sans-serif;
  font-size:14px;
}
button,input,textarea,select{font-family:inherit}
#stage{position:fixed;inset:0;overflow:hidden}

#canvas-container{position:absolute;inset:0}
#canvas-container canvas{display:block;width:100%;height:100%}

.vignette{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background:radial-gradient(ellipse at 50% 45%,rgba(0,0,0,0) 40%,rgba(0,0,0,.55) 100%);
}

/* ---------- 顶栏 ---------- */
.topbar{
  position:absolute;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 22px;gap:16px;
  background:linear-gradient(to bottom,rgba(5,7,12,.75),rgba(5,7,12,0));
  transition:opacity .35s,transform .35s;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  color:#1a1204;font-size:18px;
  background:linear-gradient(140deg,#fff6d8,var(--gold) 45%,var(--gold-deep));
  box-shadow:0 0 22px rgba(232,198,106,.45);
}
.brand-text h1{
  margin:0;font-size:19px;font-weight:600;letter-spacing:3px;
  background:linear-gradient(90deg,#fff,var(--gold-soft) 45%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-text p{margin:2px 0 0;font-size:10px;letter-spacing:3px;color:var(--txt-dim);text-transform:uppercase}

/* 运行模式徽标 */
.mode-badge{
  display:flex;align-items:center;gap:6px;margin-left:4px;
  padding:4px 11px;border-radius:999px;font-size:11px;letter-spacing:.5px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  color:var(--txt-dim);cursor:help;white-space:nowrap;transition:.25s;
}
.mode-badge .mb-dot{width:6px;height:6px;border-radius:50%;background:#8b8b8b;flex:none}
.mode-badge.shared{border-color:rgba(47,143,99,.55);background:rgba(47,143,99,.16);color:#a7e8c6}
.mode-badge.shared .mb-dot{background:#43e08a;box-shadow:0 0 9px #43e08a;animation:pulse 1.8s infinite}
.mode-badge.local{border-color:rgba(232,198,106,.32);background:rgba(232,198,106,.1);color:var(--gold-soft)}
.mode-badge.local .mb-dot{background:var(--gold)}
.mode-badge:hover{color:#fff}

.top-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}

.btn{
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--txt);
  padding:9px 16px;border-radius:999px;cursor:pointer;font-size:13px;letter-spacing:.5px;
  backdrop-filter:blur(10px);transition:.22s;white-space:nowrap;
}
.btn:hover{background:rgba(232,198,106,.16);border-color:var(--gold);color:#fff;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,var(--gold-soft),var(--gold) 55%,var(--gold-deep));
  color:#201703;border-color:transparent;font-weight:600;
}
.btn-primary:hover{background:linear-gradient(135deg,#fff,var(--gold-soft));color:#201703}
.btn-ghost{background:transparent}
.btn-icon{width:36px;padding:9px 0;text-align:center}
.btn-tiny{padding:6px 12px;font-size:12px}
.btn-danger{border-color:rgba(224,69,92,.5);color:#ffb3bf}
.btn-danger:hover{background:rgba(224,69,92,.2);border-color:var(--red);color:#fff}
.btn.on{border-color:var(--green);background:rgba(47,143,99,.2);color:#bff0d6}

/* ---------- 面板 ---------- */
.panel{
  position:absolute;z-index:15;top:78px;width:274px;
  display:flex;flex-direction:column;gap:12px;
  transition:opacity .35s,transform .35s;
}
.panel-left{left:22px;max-height:calc(100vh - 260px);overflow:auto;padding-right:4px}
.panel-left::-webkit-scrollbar{width:4px}
.panel-left::-webkit-scrollbar-thumb{background:rgba(232,198,106,.25);border-radius:9px}
.panel-right{right:22px;width:300px;bottom:96px;top:78px}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 15px;backdrop-filter:blur(16px);box-shadow:var(--shadow);
}
.card-title{
  font-size:12px;letter-spacing:2px;color:var(--gold);text-transform:uppercase;
  margin-bottom:10px;display:flex;align-items:center;justify-content:space-between;
}
.count{
  background:rgba(232,198,106,.16);color:var(--gold-soft);border-radius:999px;
  padding:1px 9px;font-size:11px;letter-spacing:0;
}
.hint-small{font-size:11px;color:var(--txt-dim);line-height:1.6;margin-top:10px}

/* 手势状态 */
.status-row{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:10px}
.dot{width:8px;height:8px;border-radius:50%;background:#555;box-shadow:0 0 0 0 rgba(0,0,0,0)}
.dot.live{background:#43e08a;box-shadow:0 0 12px #43e08a;animation:pulse 1.6s infinite}
.dot.off{background:#8b8b8b}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(67,224,138,.5)}70%{box-shadow:0 0 0 10px rgba(67,224,138,0)}100%{box-shadow:0 0 0 0 rgba(67,224,138,0)}}

.state-badge{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:12px;letter-spacing:1px;
  border:1px solid var(--line);background:rgba(232,198,106,.12);color:var(--gold-soft);
  transition:.25s;
}
.state-badge.scatter{border-color:rgba(90,170,255,.4);background:rgba(90,170,255,.14);color:#bfe0ff}
.state-badge.focus{border-color:rgba(224,69,92,.5);background:rgba(224,69,92,.16);color:#ffc2cd}

.legend{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.legend li{display:flex;justify-content:space-between;font-size:12px;color:var(--txt-dim)}
.legend .k{color:var(--txt)}
.legend .v{color:var(--gold)}

/* 分段控件 */
.seg{display:flex;gap:4px;background:rgba(0,0,0,.3);padding:3px;border-radius:999px;margin-bottom:10px}
.seg-btn{
  flex:1;border:0;background:transparent;color:var(--txt-dim);padding:6px 0;border-radius:999px;
  cursor:pointer;font-size:12px;transition:.2s;
}
.seg-btn.active{background:rgba(232,198,106,.18);color:var(--gold-soft)}

.group-list{display:flex;flex-direction:column;gap:5px;max-height:220px;overflow:auto}
.group-list::-webkit-scrollbar,.thumb-grid::-webkit-scrollbar{width:5px}
.group-list::-webkit-scrollbar-thumb,.thumb-grid::-webkit-scrollbar-thumb{background:rgba(232,198,106,.3);border-radius:9px}
.group-item{
  display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:9px;cursor:pointer;
  border:1px solid transparent;color:var(--txt-dim);font-size:12.5px;transition:.18s;
}
.group-item:hover{background:rgba(255,255,255,.06);color:var(--txt)}
.group-item.active{background:rgba(232,198,106,.14);border-color:var(--line);color:var(--gold-soft)}
.group-item .swatch{width:9px;height:9px;border-radius:3px;flex:none}
.group-item .g-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.group-item .g-num{font-size:11px;opacity:.75}

/* 照片库 */
.panel-right .card-title{margin-bottom:10px}
.thumb-grid{
  flex:1;overflow:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:7px;align-content:start;
  padding-right:2px;
}
.thumb{
  position:relative;aspect-ratio:1;border-radius:8px;overflow:hidden;cursor:pointer;
  border:1px solid rgba(255,255,255,.08);background:#111;transition:.18s;
}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb:hover{transform:scale(1.05);border-color:var(--gold);z-index:2}
.thumb.active{border-color:var(--gold);box-shadow:0 0 0 2px rgba(232,198,106,.45)}
.thumb .note-dot{
  position:absolute;top:4px;right:4px;width:7px;height:7px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 8px var(--gold);
}
.thumb.hidden-by-filter{opacity:.22}
.lib-actions{margin-top:10px;display:flex;justify-content:flex-end}

.empty{
  flex:1;display:none;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:var(--txt-dim);gap:6px;padding:20px 0;
}
.empty.show{display:flex}
.empty-icon{font-size:34px;opacity:.5}
.empty p{margin:0;font-size:13px;color:var(--txt)}
.empty span{font-size:11.5px;line-height:1.6}

/* ---------- 底部条 ---------- */
.bottombar{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:15;
  display:flex;gap:8px;transition:opacity .35s;
}
.chip{
  padding:7px 15px;border-radius:999px;font-size:12px;color:var(--txt-dim);
  background:rgba(12,16,24,.6);border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(12px);
  transition:.25s;
}
.chip.active{
  color:#201703;background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  border-color:transparent;box-shadow:0 0 20px rgba(232,198,106,.4);
}

/* ---------- 摄像头（左下浮动卡片） ---------- */
.cam{
  position:absolute;left:22px;bottom:22px;z-index:16;
  width:246px;height:146px;
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:#07090e;box-shadow:var(--shadow);transition:opacity .35s;
}
.cam video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);opacity:.55}
.cam canvas{position:absolute;inset:0;width:100%;height:100%;transform:scaleX(-1)}
.cam-label{
  position:absolute;left:8px;bottom:6px;font-size:10px;letter-spacing:1.5px;color:var(--gold);
  text-shadow:0 0 8px #000;
}
.cam-off{
  position:absolute;inset:0;display:grid;place-items:center;font-size:12px;color:var(--txt-dim);
  background:rgba(7,9,14,.85);letter-spacing:1px;
}
.cam.off .cam-off{display:grid}
.cam:not(.off) .cam-off{display:none}

/* ---------- 抽屉 ---------- */
.drawer{
  position:absolute;right:-370px;top:0;bottom:0;width:348px;z-index:30;
  background:rgba(10,13,20,.92);backdrop-filter:blur(22px);
  border-left:1px solid var(--line);box-shadow:-20px 0 60px rgba(0,0,0,.5);
  transition:right .38s cubic-bezier(.22,1,.36,1);display:flex;flex-direction:column;
  padding:18px;gap:14px;overflow:auto;
}
.drawer.open{right:0}
.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.drawer-title{font-size:16px;letter-spacing:2px;color:var(--gold-soft)}
.drawer-sub{font-size:11.5px;color:var(--txt-dim);margin-top:4px;line-height:1.5}
.icon-btn{
  border:1px solid var(--line);background:transparent;color:var(--txt-dim);
  width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:17px;line-height:1;transition:.2s;
}
.icon-btn:hover{color:#fff;border-color:var(--gold);background:rgba(232,198,106,.14)}
.drawer-img{
  border-radius:12px;overflow:hidden;background:#000;border:1px solid var(--line);
  max-height:290px;display:grid;place-items:center;
}
.drawer-img img{width:100%;max-height:290px;object-fit:contain;display:block}
.drawer-body{display:flex;flex-direction:column;gap:14px}
.field label{display:block;font-size:11.5px;letter-spacing:1px;color:var(--txt-dim);margin-bottom:6px}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  color:var(--txt);border-radius:10px;padding:9px 11px;font-size:13px;outline:none;transition:.2s;
  color-scheme:dark;
}
.field input:focus,.field textarea:focus{border-color:var(--gold);background:rgba(232,198,106,.08)}
.field textarea{resize:vertical;line-height:1.6;min-height:88px}
.drawer-nav{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--txt-dim)}
.drawer-actions{display:flex;gap:8px;flex-wrap:wrap}
.drawer-actions .btn{flex:1;text-align:center}

/* ---------- 弹窗 ---------- */
.modal{
  position:absolute;inset:0;z-index:40;display:none;place-items:center;
  background:rgba(3,5,9,.72);backdrop-filter:blur(6px);padding:24px;
}
.modal.show{display:grid}
.modal-card{
  width:min(560px,100%);max-height:82vh;overflow:auto;
  background:var(--panel-solid);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);padding:22px 24px;animation:pop .3s cubic-bezier(.22,1,.36,1);
}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.modal-head h3{margin:0;font-size:17px;letter-spacing:2px;color:var(--gold-soft);font-weight:600}
.modal-body{font-size:13px;line-height:1.85;color:var(--txt-dim)}
.modal-body p{margin:0 0 10px}
.modal-body b{color:var(--txt)}
.modal-body ul{margin:4px 0 12px;padding-left:18px}
.modal-body li{margin-bottom:4px}

/* ---------- Toast ---------- */
#toast-wrap{position:absolute;left:50%;top:88px;transform:translateX(-50%);z-index:50;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{
  padding:9px 18px;border-radius:999px;font-size:12.5px;
  background:rgba(12,16,24,.9);border:1px solid var(--line);color:var(--gold-soft);
  box-shadow:var(--shadow);animation:toastIn .3s ease, toastOut .3s ease 2.2s forwards;
}
@keyframes toastIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-12px)}}

/* ---------- 手势光标 ---------- */
.hand-cursor{
  position:absolute;left:0;top:0;z-index:25;width:26px;height:26px;border-radius:50%;
  border:2px solid rgba(255,255,255,.85);pointer-events:none;
  box-shadow:0 0 18px rgba(255,255,255,.45);
  transition:opacity .2s,width .16s,height .16s,border-color .16s,background .16s;
}
.hand-cursor::after{
  content:'';position:absolute;inset:8px;border-radius:50%;background:rgba(255,255,255,.9);
}
.hand-cursor[data-gesture="pinch"]{
  width:17px;height:17px;border-color:#ffd76a;background:rgba(255,215,106,.35);box-shadow:0 0 28px #ffd76a;
}
.hand-cursor[data-gesture="pinch"]::after{inset:5px;background:#ffd76a}
.hand-cursor[data-gesture="fist"]{border-color:#ff7a7a;box-shadow:0 0 22px #ff7a7a}
.hand-cursor[data-gesture="fist"]::after{background:#ff7a7a}
.hand-cursor[data-gesture="open"]{border-color:#7ab8ff;box-shadow:0 0 22px #7ab8ff}
.hand-cursor[data-gesture="open"]::after{background:#7ab8ff}
.hand-cursor[data-gesture="point"]{border-color:#8affc0;box-shadow:0 0 22px #8affc0}
.hand-cursor[data-gesture="point"]::after{background:#8affc0}

/* ---------- 拖拽 / 启动 ---------- */
#drop-mask{
  position:absolute;inset:0;z-index:45;display:none;place-items:center;
  background:rgba(4,10,8,.72);backdrop-filter:blur(4px);
}
#drop-mask.show{display:grid}
.drop-inner{
  padding:44px 64px;border:2px dashed var(--gold);border-radius:20px;color:var(--gold-soft);
  font-size:17px;letter-spacing:3px;background:rgba(232,198,106,.06);
}
#boot{
  position:absolute;inset:0;z-index:60;display:grid;place-items:center;background:var(--ink);
  transition:opacity .6s;
}
#boot.gone{opacity:0;pointer-events:none}
.boot-inner{text-align:center;color:var(--gold);letter-spacing:4px;font-size:13px}
.boot-star{font-size:40px;margin-bottom:14px;animation:spin 3s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* 沉浸模式 */
#stage.immersive .topbar,
#stage.immersive .panel-left,
#stage.immersive .panel-right,
#stage.immersive .bottombar,
#stage.immersive .cam{opacity:0;pointer-events:none;transform:translateY(-8px)}

/* 响应式 */
@media (max-width:1100px){
  .panel-left{width:238px;max-height:calc(100vh - 240px)}
  .panel-right{width:250px}
  .cam{width:210px;height:124px}
}
@media (max-width:820px){
  .panel{display:none}
  .cam{width:120px;height:90px;bottom:14px;left:14px}
  .topbar{padding:12px 14px}
  .brand-text{display:none}
  .drawer{width:100%;right:-100%}
  .bottombar{bottom:14px;gap:6px}
  .chip{padding:6px 11px;font-size:11px}
}
/* 矮屏（笔记本半屏、投影等）：压缩侧栏与摄像头，避免底部被裁 */
@media (max-height:720px){
  .panel-left,.panel-right{top:66px}
  .panel-left{max-height:calc(100vh - 210px)}
  .panel-right{bottom:86px}
  .cam{height:104px;bottom:14px}
  .bottombar{bottom:14px}
  .card{padding:11px 12px}
  .legend{gap:4px}
  .hint-small{display:none}
}
@media (max-height:600px){
  .cam{display:none}
  .panel-left{max-height:calc(100vh - 150px)}
}