:root{
  --bg:#050507;
  --text:#d6d9e4;
  --dim:#6a6f85;
  --dim2:#454a5e;
  --accent:#e2556b;      /* 伤感暗红 */
  --accent-soft:#ff8095;
  --blue:#7aa2ff;        /* 冷蓝 */
  --violet:#9a8cff;
  --safe-t:env(safe-area-inset-top);
  --safe-b:env(safe-area-inset-bottom);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  background:#040406;color:var(--text);overflow:hidden;
  height:100vh;height:100dvh;position:relative;
  -webkit-font-smoothing:antialiased;
}
#scene3d{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}

/* 暗角 + 上下渐变 + 颗粒 */
.fx-vignette{
  position:fixed;inset:0;z-index:2;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 45%,transparent 55%,rgba(0,0,0,.55) 100%),
    linear-gradient(180deg,rgba(4,4,8,.72) 0%,transparent 22%,transparent 62%,rgba(4,4,8,.85) 100%);
}
.fx-grain{
  position:fixed;inset:-50%;z-index:2;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* 闪电全屏辉光 */
.flash{
  position:fixed;inset:0;z-index:4;pointer-events:none;opacity:0;mix-blend-mode:screen;
  background:radial-gradient(circle at 32% 16%,rgba(216,230,255,.95),rgba(132,162,232,.34) 42%,rgba(90,112,186,.12) 68%,transparent 82%);
}

/* ===== 弹幕 ===== */
.danmaku-layer{position:fixed;inset:0;z-index:3;overflow:hidden;pointer-events:none}
.dm{
  position:absolute;left:100%;white-space:nowrap;max-width:80vw;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px 7px 12px;border-radius:6px;
  background:linear-gradient(90deg,rgba(10,11,18,.66),rgba(10,11,18,.42));
  border-left:2px solid var(--dc);
  font-size:.86em;line-height:1.4;color:var(--text);
  letter-spacing:.02em;font-weight:300;
  text-shadow:0 1px 12px rgba(0,0,0,.8);
  will-change:transform;pointer-events:auto;cursor:pointer;
  animation:dmMove linear forwards;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.dm .dm-dot{width:5px;height:5px;border-radius:50%;background:var(--dc);box-shadow:0 0 7px 1.5px var(--dc);flex-shrink:0;opacity:.9}
.dm.far{opacity:.4;transform:scale(.85)}
.dm.far .dm-dot{display:none}
.dm.near{opacity:.96}
@keyframes dmMove{from{transform:translateX(0)}to{transform:translateX(calc(-100vw - 100%))}}

/* ===== 顶部 ===== */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:5;text-align:center;pointer-events:none;
  padding:calc(30px + var(--safe-t)) 20px 0;
}
.brand{
  font-size:1.9em;font-weight:300;letter-spacing:.55em;text-indent:.55em;
  color:#eef0f7;text-shadow:0 0 34px rgba(150,170,255,.25);
}
.brand-sub{margin-top:12px;color:var(--dim);font-size:.78em;letter-spacing:.14em;font-weight:300}
.brand-sub b{color:var(--accent-soft);font-weight:500}

/* ===== 底部 ===== */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:5;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:0 20px calc(30px + var(--safe-b));
}
.wish-fab{
  pointer-events:auto;border:1px solid rgba(226,85,107,.5);cursor:pointer;
  padding:15px 46px;border-radius:4px;color:#f3e9ec;font-weight:400;font-size:1em;letter-spacing:.28em;text-indent:.28em;
  background:linear-gradient(135deg,rgba(226,85,107,.2),rgba(120,30,45,.26));
  box-shadow:0 0 30px rgba(226,85,107,.22),inset 0 0 22px rgba(226,85,107,.08);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .2s cubic-bezier(.2,1.4,.4,1),box-shadow .3s;
  animation:fabBreath 3.4s ease-in-out infinite;
}
.wish-fab:active{transform:scale(.95)}
@keyframes fabBreath{0%,100%{box-shadow:0 0 24px rgba(226,85,107,.18),inset 0 0 22px rgba(226,85,107,.08)}50%{box-shadow:0 0 42px rgba(226,85,107,.4),inset 0 0 26px rgba(226,85,107,.16)}}
.dock-hint{color:var(--dim2);font-size:.72em;letter-spacing:.14em;font-weight:300}

/* ===== 弹窗 ===== */
.sheet-mask{
  position:fixed;inset:0;z-index:20;display:none;align-items:flex-end;justify-content:center;
  background:rgba(2,2,5,.68);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.sheet-mask.show{display:flex;animation:maskIn .3s ease}
@keyframes maskIn{from{opacity:0}to{opacity:1}}
.sheet{
  width:100%;max-width:520px;
  background:linear-gradient(180deg,#12131c,#0b0c13);
  border:1px solid rgba(255,255,255,.07);border-bottom:none;
  border-radius:22px 22px 0 0;padding:14px 24px calc(30px + var(--safe-b));
  box-shadow:0 -24px 70px rgba(0,0,0,.7);
  animation:sheetUp .44s cubic-bezier(.2,1.1,.3,1);
}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.sheet-grip{width:40px;height:3px;border-radius:2px;background:rgba(255,255,255,.14);margin:0 auto 20px}
.sheet-title{text-align:center;font-size:1.25em;font-weight:400;letter-spacing:.26em;text-indent:.26em;color:#eef0f7}
.sheet-desc{text-align:center;color:var(--dim);font-size:.8em;margin-top:9px;margin-bottom:20px;font-weight:300;letter-spacing:.05em}
.wish-input{
  width:100%;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);
  border-radius:12px;padding:16px;color:var(--text);font-size:1em;line-height:1.8;font-weight:300;
  resize:none;outline:none;font-family:inherit;transition:border-color .3s,box-shadow .3s,background .3s;
}
.wish-input::placeholder{color:#4c5168}
.wish-input:focus{border-color:rgba(226,85,107,.5);box-shadow:0 0 0 3px rgba(226,85,107,.1);background:rgba(255,255,255,.05)}
.sheet-meta{display:flex;justify-content:flex-end;margin:10px 2px 18px}
.counter{font-size:.76em;color:var(--dim);font-weight:300}
.launch-btn{
  width:100%;border:1px solid rgba(226,85,107,.55);cursor:pointer;padding:16px;border-radius:8px;
  color:#f6e7ea;font-weight:400;font-size:1em;letter-spacing:.26em;text-indent:.26em;
  background:linear-gradient(135deg,rgba(226,85,107,.28),rgba(120,30,45,.32));
  box-shadow:0 8px 28px rgba(226,85,107,.25);transition:transform .18s,opacity .2s;
}
.launch-btn:active{transform:scale(.97)}
.launch-btn:disabled{opacity:.5;cursor:not-allowed}
.sheet-cancel{width:100%;margin-top:13px;background:none;border:none;color:var(--dim);font-size:.86em;padding:8px;cursor:pointer;letter-spacing:.1em}

/* ===== 详情 ===== */
.detail-mask{
  position:fixed;inset:0;z-index:30;display:none;align-items:center;justify-content:center;padding:40px;
  background:rgba(2,2,5,.78);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.detail-mask.show{display:flex;animation:maskIn .3s ease}
.detail{
  position:relative;width:100%;max-width:340px;text-align:center;
  background:linear-gradient(180deg,rgba(22,23,33,.96),rgba(12,13,20,.97));
  border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:42px 30px 28px;
  animation:popIn .4s cubic-bezier(.2,1.3,.4,1);
}
@keyframes popIn{from{opacity:0;transform:scale(.9) translateY(14px)}to{opacity:1;transform:scale(1) translateY(0)}}
.detail-quote{position:absolute;top:10px;left:18px;font-size:2.6em;color:rgba(226,85,107,.4);font-family:Georgia,serif;line-height:1}
.detail-text{position:relative;font-size:1.06em;line-height:2;font-weight:300;color:#e3e5ef;word-break:break-word;letter-spacing:.03em}
.detail-time{margin-top:20px;color:var(--dim2);font-size:.76em;font-weight:300;letter-spacing:.1em}
.detail-close{margin-top:22px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:var(--dim);padding:11px 36px;border-radius:6px;font-size:.88em;cursor:pointer;letter-spacing:.14em}

/* ===== toast ===== */
.toast{
  position:fixed;left:50%;top:calc(22px + var(--safe-t));transform:translateX(-50%) translateY(-90px);
  z-index:50;background:rgba(18,19,28,.96);border:1px solid rgba(255,255,255,.1);color:var(--text);
  padding:12px 22px;border-radius:8px;font-size:.85em;font-weight:300;backdrop-filter:blur(10px);
  transition:transform .38s cubic-bezier(.2,1.2,.4,1);max-width:86vw;text-align:center;
}
.toast.show{transform:translateX(-50%) translateY(0)}

.empty-tip{position:fixed;left:0;right:0;top:46%;transform:translateY(-50%);text-align:center;z-index:4;color:var(--dim);font-size:.85em;font-weight:300;letter-spacing:.08em;padding:0 40px;line-height:2.2;pointer-events:none}