/* 观众提问墙 · LebotWorld V1.1 规范衍生 · 黑曜活动主题 */
:root{
  --lw-brand-500:#6657F4; --lw-blue:#5C91F6; --lw-cyan:#45B9D6;
  --brand-grad:linear-gradient(135deg,#6657F4 0%,#574BE8 55%,#548BF5 100%);
  --ok:#3ECF9A; --ok-bg:rgba(62,207,154,.14);
  --warn:#F0B63F; --warn-bg:rgba(240,182,63,.15);
  --danger:#FB7A96;
  --ink:#F3F4FC; --tx2:#A7ABCB; --tx3:#767B9C;
  --card:rgba(255,255,255,.055); --card-hi:rgba(255,255,255,.10);
  --line:rgba(146,140,255,.17);
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);color:var(--ink);min-height:100vh;
  background:
    radial-gradient(1100px 700px at 88% -12%, rgba(102,87,244,.20), transparent 60%),
    radial-gradient(900px 650px at -12% 108%, rgba(69,185,214,.12), transparent 55%),
    linear-gradient(120deg,#070A1D,#111638);
  background-attachment:fixed;
}
button{font-family:inherit}
::selection{background:rgba(102,87,244,.45)}

/* 顶栏 */
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;max-width:1060px;margin:0 auto;padding:30px 18px 6px}
.top h1{font-size:clamp(26px,4.6vw,40px);font-weight:800;letter-spacing:.5px;line-height:1.15}
.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{margin-top:8px;font-size:14px;line-height:22px;color:var(--tx2)}
.top-right{position:relative;flex:none}

.wrap{max-width:1060px;margin:0 auto;padding:14px 18px 90px}

/* 卡片基础 */
.card{background:var(--card);border:1px solid var(--line);border-radius:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}

/* 提问输入 */
.composer{padding:18px;display:flex;flex-direction:column;gap:12px}
.composer textarea{
  width:100%;resize:vertical;min-height:86px;max-height:240px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:15px;
  color:var(--ink);font:400 16px/26px var(--font);padding:12px 14px;outline:none;transition:border-color .18s var(--ease);
}
.composer textarea:focus{border-color:var(--lw-brand-500)}
.composer textarea::placeholder{color:var(--tx3)}
.composer-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.composer input{
  flex:1;min-width:150px;height:50px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:15px;
  color:var(--ink);font:400 16px var(--font);padding:0 14px;outline:none;transition:border-color .18s var(--ease);
}
.composer input:focus{border-color:var(--lw-brand-500)}
.composer input::placeholder{color:var(--tx3)}
.cnt{font-size:12px;font-weight:600;color:var(--tx3);padding:0 2px}

.btn-primary{
  min-height:50px;padding:0 22px;border:none;border-radius:15px;cursor:pointer;
  background:var(--brand-grad);color:#fff;font:700 16px/24px var(--font);
  box-shadow:0 13px 28px rgba(86,73,222,.25);transition:transform .18s var(--ease),filter .18s var(--ease);
}
.btn-primary:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.04)}
.btn-primary:active:not(:disabled){transform:translateY(0)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}

.ghost-btn{
  min-height:40px;padding:0 14px;border-radius:12px;cursor:pointer;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--tx2);font:600 13px/20px var(--font);
  transition:all .18s var(--ease);
}
.ghost-btn:hover{color:var(--ink);border-color:rgba(146,140,255,.35);background:rgba(255,255,255,.08)}
.ghost-btn.danger{color:var(--danger);border-color:rgba(251,122,150,.32)}
.ghost-btn.armed{background:rgba(251,122,150,.16);color:var(--danger);border-color:rgba(251,122,150,.5)}

/* 提问墙 */
.wall{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fill,minmax(288px,1fr));gap:14px}
.qcard{display:flex;gap:14px;padding:16px;border-radius:18px;background:var(--card);border:1px solid var(--line);transition:border-color .18s var(--ease),opacity .3s}
.qcard:hover{border-color:rgba(146,140,255,.32)}
.qcard.answered{opacity:.5}
.qcard.pinned{border-color:rgba(240,171,252,.42);box-shadow:0 0 0 1px rgba(240,171,252,.14),0 10px 30px rgba(102,87,244,.14)}
.qcard.new{animation:pop .34s var(--ease)}

.vote{
  flex:none;width:62px;min-height:76px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink);cursor:pointer;
  transition:all .18s var(--ease);
}
.vote:hover{background:rgba(255,255,255,.09)}
.vote .vic{font-size:20px;line-height:1}
.vote .vnum{font-size:16px;font-weight:800;line-height:1.2}
.vote.on{background:var(--brand-grad);border-color:transparent;color:#fff;box-shadow:0 8px 22px rgba(86,73,222,.38)}

.qbody{min-width:0;flex:1;display:flex;flex-direction:column}
.qtext{font-size:17px;font-weight:650;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}
.qmeta{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-size:12px;font-weight:600;line-height:18px;color:var(--tx3)}
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:18px}
.chip.done{color:var(--ok);background:var(--ok-bg)}
.chip.hot{color:var(--warn);background:var(--warn-bg)}
.chip.pin{color:#F0ABFC;background:rgba(240,171,252,.14)}
.who{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#9EA3C2}

.empty{margin-top:40px;text-align:center;color:var(--tx2);font-size:16px;line-height:2;padding:40px 0}

/* 提示条 */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,8px);z-index:100;
  background:rgba(10,13,34,.94);border:1px solid var(--line);border-radius:13px;padding:11px 18px;
  font-size:14px;font-weight:600;color:var(--ink);opacity:0;pointer-events:none;transition:all .22s var(--ease);max-width:86vw;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:rgba(251,122,150,.5)}

/* 二维码浮层 */
.qr-box{
  position:absolute;right:0;top:calc(100% + 12px);z-index:60;display:none;
  flex-direction:column;align-items:center;gap:8px;padding:14px;
  background:rgba(10,13,34,.96);border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.45);
}
.qr-box.show{display:flex}
.qr-box img{width:150px;height:150px;background:#fff;padding:8px;border-radius:12px}
.qr-box span{font-size:12px;font-weight:600;color:var(--tx2);max-width:180px;overflow-wrap:anywhere;text-align:center}

/* 投屏（大字）模式 */
body.big .top h1{font-size:clamp(34px,6vw,54px)}
body.big .sub{font-size:18px}
body.big .qmeta{font-size:13px}
body.big .top-right{display:flex;flex-direction:column;align-items:flex-end;gap:12px}
body.big .qr-box{position:static}
body.big .qtext{font-size:21px}
body.big .wall{grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:16px}
body.big .vote{width:74px}
body.big .vote .vnum{font-size:20px}
body.big .vote .vic{font-size:24px}

@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
:focus-visible{outline:2px solid var(--lw-brand-500);outline-offset:2px}
@media (max-width:560px){
  .top{padding-top:22px}
  .composer-row .btn-primary{flex:1}
}