:root {
  --bg: #070b16;
  --card: #ffffff;
  --img-bg: #f4f6fb;
  --text: #eaf0ff;
  --muted: #8b96b8;
  --brand1: #5b8cff;
  --brand2: #22d3ee;
  --grad: linear-gradient(135deg, #5b8cff, #22d3ee);
  --danger: #ff6b81;
  --ok: #2fd37e;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(1100px 560px at 72% -8%, rgba(91, 140, 255, .20), transparent 60%),
    radial-gradient(900px 520px at 6% 112%, rgba(34, 211, 238, .14), transparent 60%),
    var(--bg);
  padding-bottom: 96px;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 18px; }

/* ── Header ── */
header { text-align: center; padding: 18px 0 10px; }
.logo-name {
  font-size: clamp(40px, 9vw, 72px);
  font-weight: 900;
  letter-spacing: 6px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 4px 22px rgba(91, 140, 255, .35));
}
.subtitle {
  margin-top: 10px;
  font-size: clamp(13px, 3vw, 16px);
  color: var(--muted);
  letter-spacing: 2px;
}
.subtitle b { color: var(--brand2); font-weight: 700; }

/* ── Rules ── */
.rules {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin: 22px auto 8px; max-width: 720px;
}
.rule {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px; color: var(--muted);
  backdrop-filter: blur(6px);
}
.rule .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 10px rgba(34, 211, 238, .7);
}

/* ── Voter / upload panel ── */
.panel {
  margin: 20px auto 26px; max-width: 720px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius);
  padding: 18px 20px;
  backdrop-filter: blur(10px);
}
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.voter-label { font-size: 13px; color: var(--muted); white-space: nowrap; }
input[type="text"] {
  flex: 1; min-width: 160px;
  background: rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
input[type="text"]:focus { border-color: var(--brand2); box-shadow: 0 0 0 3px rgba(34, 211, 238, .18); }
input::placeholder { color: #5c6889; }
.btn {
  border: none; cursor: pointer;
  background: var(--grad);
  color: #06121f;
  font-weight: 700;
  font-size: 14px;
  border-radius: 10px;
  padding: 11px 20px;
  transition: transform .12s, filter .2s, opacity .2s;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn.ghost {
  background: rgba(255, 255, 255, .08);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, .14);
}

/* upload */
.upload-toggle { width: 100%; margin-top: 14px; }
.upload-form { display: none; margin-top: 14px; }
.upload-form.open { display: block; }
.upload-form .ufield { display: flex; flex-wrap: wrap; gap: 10px; }
.upload-form label {
  font-size: 12px; color: var(--muted);
  display: block; margin-bottom: 5px;
}
.ufile {
  flex: 1; min-width: 160px;
  background: rgba(0, 0, 0, .35);
  border: 1px dashed rgba(255, 255, 255, .22);
  border-radius: 10px;
  color: var(--muted);
  padding: 10px 12px;
  font-size: 13px;
  cursor: pointer;
}
.ufile:hover { border-color: var(--brand2); }
.up-hint { font-size: 12px; color: #5c6889; margin-top: 8px; }

/* ── Ranking ── */
h2.section {
  font-size: 15px; font-weight: 700; color: var(--muted);
  letter-spacing: 3px; text-transform: uppercase;
  margin: 30px 0 14px;
}
.rank { display: grid; gap: 8px; margin-bottom: 8px; }
.rank-item {
  display: grid;
  grid-template-columns: 34px 1fr 60px;
  align-items: center; gap: 12px;
  background: rgba(255, 255, 255, .045);
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 12px;
  padding: 9px 14px;
  font-size: 13px;
}
.rank-no { font-weight: 800; color: var(--muted); text-align: center; }
.rank-no.top { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.rank-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.rank-votes { text-align: right; color: var(--brand2); font-weight: 700; }
.rank-item .bar {
  grid-column: 2 / -1;
  height: 5px; border-radius: 3px;
  background: rgba(255, 255, 255, .08);
  overflow: hidden;
  margin-top: -4px;
}
.rank-item .bar i {
  display: block; height: 100%;
  background: var(--grad);
  border-radius: 3px;
  transition: width .6s ease;
}

/* ── Logo grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 16px;
}
.card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
  transition: transform .15s ease, box-shadow .2s ease;
  user-select: none;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(0, 0, 0, .35); }
.card .thumb {
  aspect-ratio: 1 / 1;
  background: var(--img-bg);
  display: flex; align-items: center; justify-content: center;
  padding: 14px;
}
.card .thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.card .meta {
  padding: 10px 12px 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.card .title {
  font-size: 13px; font-weight: 600; color: #1a2340;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card .votes {
  font-size: 12px; font-weight: 700; color: #5b8cff;
  background: #eef2ff; border-radius: 999px; padding: 3px 9px;
  white-space: nowrap;
}
.card .tag {
  position: absolute; top: 10px; left: 10px;
  font-size: 11px; font-weight: 600;
  background: rgba(20, 30, 60, .72); color: #dbe4ff;
  border-radius: 999px; padding: 3px 9px;
  backdrop-filter: blur(4px);
}
/* selected */
.card.sel { box-shadow: 0 0 0 3px var(--brand2), 0 12px 26px rgba(34, 211, 238, .25); }
.card.sel .check {
  position: absolute; top: 10px; right: 10px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--grad);
  color: #06121f; font-weight: 900; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px rgba(34, 211, 238, .5);
  animation: pop .18s ease;
}
@keyframes pop { 0% { transform: scale(.4); } 80% { transform: scale(1.15); } 100% { transform: scale(1); } }
/* voted */
.card.voted .thumb { opacity: .82; }
.card.voted .voted-chip {
  position: absolute; bottom: 40px; right: 10px;
  font-size: 11px; font-weight: 700;
  background: var(--ok); color: #04220f;
  border-radius: 999px; padding: 3px 9px;
  box-shadow: 0 3px 10px rgba(47, 211, 126, .4);
}
.card.voted .voted-chip::after { content: '已投'; }
.card.voted:hover .voted-chip::after { content: '点击撤销'; }
.card.voted:hover .voted-chip { background: var(--danger); color: #fff; }
/* disabled (no votes left, not voted) */
.card.blocked { cursor: not-allowed; opacity: .45; }
.card.blocked:hover { transform: none; }

/* ── Bottom action bar ── */
.actionbar {
  position: fixed; left: 0; right: 0; bottom: 0;
  background: rgba(9, 13, 26, .82);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
  z-index: 50;
}
.actionbar .inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; gap: 14px; justify-content: space-between;
}
.picked {
  font-size: 14px; color: var(--muted);
}
.picked b { font-size: 18px; color: var(--brand2); }
.picked b.zero { color: var(--danger); }
.actionbar .btn { padding: 13px 34px; font-size: 15px; }

/* ── Toast ── */
#toast {
  position: fixed; left: 50%; bottom: 88px; transform: translateX(-50%) translateY(20px);
  background: rgba(20, 28, 52, .95);
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--text);
  padding: 11px 20px; border-radius: 12px;
  font-size: 13px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s;
  z-index: 100;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .4);
  max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: rgba(255, 107, 129, .5); }

.loading { text-align: center; color: var(--muted); padding: 60px 0; }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

@media (max-width: 520px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
  .panel { padding: 14px; }
}