/* ========== 团圆夜 · 月夜深蓝鎏金设计系统 ========== */
:root {
  --night-0: #070b1d;
  --night-1: #0b1026;
  --night-2: #10173a;
  --night-3: #1a2352;
  --gold: #e8c766;
  --gold-deep: #d4af37;
  --gold-dim: rgba(232, 199, 102, .35);
  --gold-faint: rgba(232, 199, 102, .12);
  --ink: #f3ead5;
  --ink-dim: rgba(243, 234, 213, .62);
  --ink-faint: rgba(243, 234, 213, .38);
  --danger: #e86a6a;
  --ok: #7fd6a8;
  --card: rgba(255, 255, 255, .045);
  --card-border: rgba(232, 199, 102, .28);
  --radius: 16px;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { font-size: 16px; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(58, 76, 158, .55), transparent 60%),
    radial-gradient(900px 600px at 12% 108%, rgba(90, 66, 140, .34), transparent 55%),
    linear-gradient(180deg, var(--night-1) 0%, var(--night-0) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- 夜空装饰层 ---------- */
.sky { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.stars { position: absolute; inset: 0; background-image:
  radial-gradient(1.4px 1.4px at 12% 22%, #fff 60%, transparent),
  radial-gradient(1px 1px at 28% 8%, rgba(255,255,255,.9) 60%, transparent),
  radial-gradient(1.8px 1.8px at 44% 30%, rgba(255,255,255,.75) 60%, transparent),
  radial-gradient(1px 1px at 63% 14%, #fff 60%, transparent),
  radial-gradient(1.3px 1.3px at 82% 26%, rgba(255,255,255,.8) 60%, transparent),
  radial-gradient(1px 1px at 91% 9%, rgba(255,255,255,.7) 60%, transparent),
  radial-gradient(1.2px 1.2px at 7% 48%, rgba(255,255,255,.65) 60%, transparent),
  radial-gradient(1px 1px at 37% 55%, rgba(255,255,255,.5) 60%, transparent),
  radial-gradient(1.5px 1.5px at 70% 62%, rgba(255,255,255,.55) 60%, transparent),
  radial-gradient(1px 1px at 55% 78%, rgba(255,255,255,.45) 60%, transparent);
  animation: twinkle 4.6s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .55; } to { opacity: 1; } }

.moon { position: absolute; top: 6vh; right: 9vw; width: 150px; height: 150px; border-radius: 50%;
  background: radial-gradient(circle at 38% 34%, #fff6dd 0%, #f4e3ae 42%, var(--gold) 74%, var(--gold-deep) 100%);
  box-shadow: 0 0 60px 18px rgba(232, 199, 102, .28), 0 0 160px 60px rgba(232, 199, 102, .12);
}
.moon::before, .moon::after { content: ""; position: absolute; border-radius: 50%; background: rgba(212, 175, 55, .35); }
.moon::before { width: 26px; height: 26px; left: 34%; top: 28%; }
.moon::after { width: 14px; height: 14px; left: 58%; top: 55%; }
.moon-glow { position: absolute; inset: -34px; border-radius: 50%; background: radial-gradient(circle, rgba(232,199,102,.16), transparent 70%); }

.lantern { position: absolute; width: 34px; height: 44px; border-radius: 46% 46% 42% 42%;
  background: radial-gradient(circle at 50% 38%, #ffb84d 0%, #e0523d 62%, #a8352a 100%);
  box-shadow: 0 0 22px 4px rgba(255, 150, 80, .35);
  transform-origin: 50% -14px;
  animation: sway 5.2s ease-in-out infinite;
}
.lantern::before { content: ""; position: absolute; left: 50%; top: -15px; width: 2px; height: 15px; background: var(--gold-dim); transform: translateX(-50%); }
.lantern::after { content: ""; position: absolute; left: 50%; bottom: -13px; width: 2px; height: 12px; background: linear-gradient(var(--gold), transparent); transform: translateX(-50%); }
.lantern i { position: absolute; inset: 6px 14px; border-radius: inherit; background: rgba(255, 226, 150, .35); filter: blur(1px); }
.lantern.l1 { left: 6vw; top: 14vh; }
.lantern.l2 { left: 13vw; top: 30vh; width: 26px; height: 34px; animation-delay: -2.6s; opacity: .85; }
@keyframes sway { 0%,100% { transform: rotate(5deg); } 50% { transform: rotate(-5deg); } }

/* ---------- 布局骨架 ---------- */
.app { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; padding: 24px 18px 96px; min-height: 100vh; }
.site-footer { position: fixed; left: 0; right: 0; bottom: 0; z-index: 2; text-align: center;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  font-size: 12px; letter-spacing: .18em; color: var(--ink-faint);
  background: linear-gradient(transparent, rgba(7, 11, 29, .88) 40%);
  pointer-events: none;
}
.moon-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--gold-dim); margin: 0 10px; vertical-align: middle; }

/* ---------- 通用组件 ---------- */
.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 20px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .32);
}
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 700; }
.eyebrow { font-size: 12px; letter-spacing: .32em; color: var(--gold); text-transform: uppercase; }
.hairline { height: 1px; border: none; background: linear-gradient(90deg, transparent, var(--gold-dim), transparent); margin: 14px 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--gold-dim); border-radius: 999px; padding: 12px 22px;
  font-size: 15px; font-family: var(--sans); color: var(--ink); background: transparent;
  cursor: pointer; transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
  text-decoration: none; user-select: none; touch-action: manipulation;
}
.btn:active { transform: scale(.97); }
.btn.primary { background: linear-gradient(135deg, #f2d98c, var(--gold) 45%, var(--gold-deep));
  color: #2a1f05; font-weight: 700; border: none;
  box-shadow: 0 6px 24px rgba(212, 175, 55, .35);
}
.btn.primary:hover { box-shadow: 0 8px 32px rgba(212, 175, 55, .5); }
.btn.ghost:hover { background: var(--gold-faint); }
.btn.glass { background: rgba(16, 23, 58, .45); backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2); border-color: rgba(232, 199, 102, .32); }
.btn.glass:hover { background: rgba(232, 199, 102, .14); }
.btn.danger { border-color: rgba(232, 106, 106, .5); color: var(--danger); }
.btn[disabled] { opacity: .45; pointer-events: none; }
.btn.block { width: 100%; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--ink-dim); letter-spacing: .06em; }
.field input, .field select, .field textarea {
  background: rgba(7, 11, 29, .55); border: 1px solid var(--card-border); border-radius: 12px;
  padding: 12px 14px; color: var(--ink); font-size: 15px; font-family: var(--sans); outline: none;
  transition: border-color .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }

.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--card-border); font-size: 13px; color: var(--ink-dim); cursor: pointer;
  transition: all .15s ease; user-select: none; background: rgba(7,11,29,.35); touch-action: manipulation;
}
.chip.on { border-color: var(--gold); color: var(--gold); background: var(--gold-faint); }
.chip.warn.on { border-color: var(--danger); color: var(--danger); background: rgba(232,106,106,.1); }

.tag { font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--gold-dim); color: var(--gold); letter-spacing: .04em; }
.tag.warn { border-color: rgba(232,106,106,.5); color: var(--danger); }
.tag.ok { border-color: rgba(127,214,168,.5); color: var(--ok); }

.toast { position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%) translateY(16px);
  z-index: 50; background: rgba(16, 23, 58, .94); border: 1px solid var(--gold-dim); color: var(--ink);
  padding: 11px 20px; border-radius: 999px; font-size: 14px; opacity: 0; pointer-events: none;
  transition: all .25s ease; box-shadow: 0 10px 30px rgba(0,0,0,.4); max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: rgba(232,106,106,.6); }

.empty { text-align: center; color: var(--ink-faint); font-size: 14px; padding: 30px 12px; letter-spacing: .05em; }

/* ---------- 首页 ---------- */
.hero { text-align: center; padding: 9vh 8px 30px; position: relative; }
.hero .eyebrow { margin-bottom: 14px; }
.hero h1 { font-size: clamp(44px, 11vw, 78px); letter-spacing: .14em; line-height: 1.06;
  background: linear-gradient(180deg, #fff7e0 18%, var(--gold) 62%, var(--gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 42px rgba(232, 199, 102, .18);
}
.hero .sub { margin-top: 16px; font-size: 15px; color: var(--ink-dim); letter-spacing: .14em; line-height: 1.9; }
.hero .sub em { font-style: normal; color: var(--gold); }
.hero-rings { display: flex; justify-content: center; gap: 10px; margin-top: 26px; }
.hero-rings span { width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--gold-dim); animation: ringpulse 2.8s ease-in-out infinite; }
.hero-rings span:nth-child(2) { animation-delay: .4s; }
.hero-rings span:nth-child(3) { animation-delay: .8s; }
@keyframes ringpulse { 0%,100% { transform: scale(1); opacity: .5; } 50% { transform: scale(1.6); opacity: 1; background: var(--gold); } }

.stage-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 26px 0 34px; }
.stage { text-align: center; padding: 12px 4px; border-radius: 12px; border: 1px solid transparent; }
.stage .no { font-family: var(--serif); font-size: 20px; color: var(--gold); }
.stage .t { font-size: 12px; color: var(--ink-dim); margin-top: 4px; letter-spacing: .1em; }
.stage.on { border-color: var(--card-border); background: var(--gold-faint); }

.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .entry-grid { grid-template-columns: 1fr; } .stage-line { grid-template-columns: repeat(2, 1fr); } }
.entry { position: relative; overflow: hidden; text-align: left; padding: 22px; cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.entry:hover { transform: translateY(-3px); border-color: var(--gold); box-shadow: 0 16px 44px rgba(0,0,0,.42), 0 0 0 1px var(--gold-faint) inset; }
.entry .ic { font-size: 26px; }
.entry h3 { font-size: 19px; margin: 10px 0 6px; letter-spacing: .08em; }
.entry p { font-size: 13px; color: var(--ink-dim); line-height: 1.75; }
.entry .go { margin-top: 14px; font-size: 13px; color: var(--gold); letter-spacing: .12em; }
.entry .corner { position: absolute; right: -30px; top: -30px; width: 90px; height: 90px; border-radius: 50%;
  background: radial-gradient(circle, var(--gold-faint), transparent 70%); }

.join-strip { margin-top: 14px; display: flex; gap: 10px; }
.join-strip input { flex: 1; background: rgba(7,11,29,.55); border: 1px solid var(--card-border);
  border-radius: 999px; padding: 12px 18px; color: var(--ink); font-size: 15px; letter-spacing: .22em;
  text-transform: uppercase; outline: none; text-align: center; font-family: var(--serif);
}
.join-strip input:focus { border-color: var(--gold); }

/* ---------- 页面通用头 ---------- */
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.page-head .back { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--card-border);
  display: grid; place-items: center; color: var(--gold); cursor: pointer; font-size: 17px; flex: none;
  background: rgba(7,11,29,.4);
}
.page-head h2 { font-size: 22px; letter-spacing: .1em; flex: 1; }
.page-head .room-no { font-family: var(--serif); color: var(--gold); font-size: 14px; letter-spacing: .18em; }

.section-t { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px; }
.section-t h3 { font-size: 17px; letter-spacing: .1em; }
.section-t .hint { font-size: 12px; color: var(--ink-faint); }

/* ---------- 家宴房间 ---------- */
.invite { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.invite-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.qr-box { background: #fff; border-radius: 12px; padding: 12px; display: inline-block; margin-top: 12px; }
.qr-box svg { display: block; width: 220px; height: 220px; }
.invite-sub { margin-top: 6px; font-size: 13px; color: var(--ink-dim); letter-spacing: .05em; }
.rename { cursor: pointer; color: var(--gold); border: 1px solid var(--gold-dim); border-radius: 999px;
  padding: 1px 8px; font-size: 11px; margin-left: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.census { border-color: rgba(232, 106, 106, .35); margin-top: 14px; }
.census-rows { display: flex; flex-direction: column; gap: 9px; }
.census-row { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.census-row .names { flex: 1; color: var(--ink); }
.census-row .cnt { color: var(--ink-faint); font-size: 12px; }

.claim-form { display: flex; flex-direction: column; gap: 10px; }
.claim-form input, .claim-form select {
  background: rgba(7,11,29,.55); border: 1px solid var(--card-border); border-radius: 12px;
  padding: 12px 14px; color: var(--ink); font-size: 15px; outline: none; font-family: var(--sans);
}
.claim-form input:focus, .claim-form select:focus { border-color: var(--gold); }
.claim-tags { display: flex; flex-wrap: wrap; gap: 6px; min-height: 20px; }

.claim-group { margin-bottom: 14px; }
.claim-cat { font-family: var(--serif); color: var(--gold); font-size: 14px; letter-spacing: .16em; margin: 4px 2px 8px; display: flex; align-items: center; gap: 8px; }
.claim-cat span { font-size: 11px; color: var(--ink-faint); border: 1px solid var(--card-border); border-radius: 999px; padding: 1px 8px; font-family: var(--sans); letter-spacing: 0; }
.claim-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--card-border); border-radius: 12px;
  padding: 11px 14px; margin-bottom: 8px; font-size: 14px;
}
.claim-row.hit { border-color: rgba(232, 106, 106, .45); background: rgba(232, 106, 106, .05); }
.claim-main b { letter-spacing: .03em; }
.claim-main .who { color: var(--ink-faint); font-size: 12px; margin-left: 8px; }
.claim-row .conf { flex-basis: 100%; font-size: 12px; color: var(--danger); }
.claim-row .undo { margin-left: auto; font-size: 12px; color: var(--ink-faint); cursor: pointer; border: 1px solid var(--card-border); border-radius: 999px; padding: 3px 10px; }
.claim-row .undo:hover { color: var(--danger); border-color: rgba(232,106,106,.5); }

.clash { border-color: rgba(232, 106, 106, .35); margin-top: 14px; }
.clash-row { font-size: 13px; color: var(--ink-dim); line-height: 2; }
.clash-row b { color: var(--danger); }

.gaps { display: flex; flex-direction: column; gap: 10px; }
.gap-row { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.gap-cat { width: 64px; flex: none; color: var(--ink-dim); }
.gap-bar { flex: 1; height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.gap-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--gold-deep), var(--gold)); transition: width .3s ease; }
.gap-num { width: 36px; text-align: right; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

.action-bar { display: flex; gap: 10px; margin-top: 22px; }
.action-bar .btn { flex: 1; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

/* ---------- 合影导演 ---------- */
.studio { display: flex; flex-direction: column; gap: 12px; }
.stage-box { position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--card-border); background: #05070f; aspect-ratio: 4/3; max-height: 58vh; margin: 0 auto; width: 100%;
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
}
.stage-box video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stage-box video.mirror { transform: scaleX(-1); }
.stage-box #hud { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.countdown { position: absolute; inset: 0; display: none; place-items: center;
  font-family: var(--serif); font-size: 130px; color: var(--gold);
  text-shadow: 0 0 40px rgba(232,199,102,.6); background: rgba(5,7,15,.25);
}
.countdown.show { display: grid; animation: fadeUp .3s ease both; }
.gesture-pill { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  background: rgba(7,11,29,.72); border: 1px solid var(--gold-dim); color: var(--ink);
  font-size: 12px; padding: 8px 16px; border-radius: 999px; white-space: nowrap;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: all .2s ease;
}
.gesture-pill.armed { border-color: var(--gold); color: var(--gold); box-shadow: 0 0 18px rgba(232,199,102,.35); }
.flash { position: absolute; inset: 0; background: #fff; animation: flashOut .22s ease both; pointer-events: none; }
@keyframes flashOut { from { opacity: .9; } to { opacity: 0; } }

.director-bar { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.face-count { flex: none; font-family: var(--serif); color: var(--gold); font-size: 14px;
  border: 1px solid var(--card-border); border-radius: 999px; padding: 8px 14px; background: var(--card); }
.hint-list { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 6px; }
.dh { font-size: 13px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--card-border); background: var(--card); color: var(--ink-dim); }
.dh.ok { border-color: rgba(127,214,168,.4); color: var(--ok); }
.dh.warn { border-color: rgba(232,106,106,.45); color: var(--danger); }

.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }
.studio-tip { text-align: center; font-size: 12px; color: var(--ink-faint); letter-spacing: .06em; }

.filmstrip { display: flex; gap: 10px; overflow-x: auto; padding: 4px 2px 12px; }
.film { position: relative; flex: none; width: 148px; border-radius: 12px; overflow: hidden;
  border: 2px solid var(--card-border); cursor: pointer; transition: all .15s ease;
}
.film canvas { display: block; width: 100%; }
.film.sel { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-faint), 0 8px 24px rgba(0,0,0,.4); }
.film .best-tag { position: absolute; top: 6px; left: 6px; font-size: 10px; background: linear-gradient(135deg,#f2d98c,var(--gold-deep)); color: #2a1f05; padding: 2px 8px; border-radius: 999px; font-weight: 700; }
.film .score { position: absolute; right: 6px; bottom: 6px; font-size: 11px; color: var(--gold); background: rgba(7,11,29,.7); padding: 1px 7px; border-radius: 999px; }

.edit-card { padding: 14px; }
.edit-preview { border-radius: 12px; overflow: hidden; border: 1px solid var(--card-border); }
.edit-preview canvas { display: block; width: 100%; }

#stagePreview { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ---------- 照片选择器 / 房间相册 ---------- */
.picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 640px) { .picker { grid-template-columns: repeat(3, 1fr); } }
.pick { position: relative; border-radius: 10px; overflow: hidden; border: 2px solid var(--card-border);
  cursor: pointer; aspect-ratio: 1; background: #05070f; transition: all .15s ease;
}
.pick img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pick.on { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-faint); }
.pick .ord { position: absolute; top: 5px; left: 5px; width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #f2d98c, var(--gold-deep)); color: #2a1f05; font-size: 12px;
  font-weight: 700; display: grid; place-items: center;
}
.pick .by { position: absolute; right: 5px; bottom: 5px; font-size: 10px; color: var(--ink);
  background: rgba(7,11,29,.72); border-radius: 999px; padding: 1px 7px;
}

.manage-photos { display: flex; flex-wrap: wrap; gap: 10px; }
.mp { position: relative; width: 84px; height: 84px; border-radius: 10px; overflow: hidden; border: 1px solid var(--card-border); flex: none; }
.mp img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mp-x { position: absolute; top: 3px; right: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(190, 60, 48, .92); color: #fff; font-size: 11px; display: grid; place-items: center; cursor: pointer;
}
.mp-by { position: absolute; left: 3px; bottom: 3px; font-size: 10px; color: var(--ink);
  background: rgba(7,11,29,.72); border-radius: 999px; padding: 1px 6px;
}

/* ---------- 弹层 ---------- */
.modal-mask { position: fixed; inset: 0; z-index: 40; background: rgba(4, 6, 16, .72);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px; animation: fadeUp .2s ease both;
}
.modal { width: 100%; max-width: 380px; animation: fadeUp .28s ease both; }

/* ---------- 工具动画 ---------- */
.fade-in { animation: fadeUp .4s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.spin { display: inline-block; width: 16px; height: 16px; border: 2px solid var(--gold-dim); border-top-color: var(--gold); border-radius: 50%; animation: rot .7s linear infinite; vertical-align: -3px; }
@keyframes rot { to { transform: rotate(360deg); } }

::selection { background: rgba(232,199,102,.3); }