:root {
  --bg: #05070d;
  --panel: #0b0f1a;
  --panel-2: #0e1424;
  --line: #1e2740;
  --gold: #e8a92c;
  --gold-light: #ffe98a;
  --gold-deep: #d68e10;
  --text: #f5f3ee;
  --soft: #c9c4b4;
  --muted: #8b8fa3;
  --ok: #7ee2a0;
  --err: #ff8a8a;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 85% -10%, rgba(232,169,44,.14), transparent 60%), var(--bg);
  color: var(--text);
  font-family: 'Montserrat', system-ui, sans-serif;
  min-height: 100vh;
}
a { color: var(--gold-light); }
.hidden { display: none !important; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(5,7,13,.92); backdrop-filter: blur(8px); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 46px; height: 46px; object-fit: cover; border-radius: 10px; mix-blend-mode: screen; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-weight: 900; letter-spacing: 2px; font-size: 15px; color: var(--gold); }
.brand-ticker { color: var(--text); }
.brand-sub { font-weight: 700; letter-spacing: 6px; font-size: 11px; color: var(--soft); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.countdown-chip {
  border: 1px solid var(--gold); color: var(--gold-light); border-radius: 999px;
  padding: 8px 14px; font-size: 12px; font-weight: 700; letter-spacing: 1px; white-space: nowrap;
}
.countdown-chip span { color: #fff; }

.btn {
  font-family: inherit; font-weight: 800; font-size: 14px; border: none; cursor: pointer;
  border-radius: 999px; padding: 11px 20px; transition: transform .05s ease, opacity .2s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn-gold { background: linear-gradient(180deg, var(--gold-light), var(--gold) 55%, var(--gold-deep)); color: #0a1120; }
.btn-ghost { background: transparent; color: var(--gold-light); border: 1px solid var(--gold); padding: 8px 16px; font-size: 13px; }

main { max-width: 1240px; margin: 0 auto; padding: 28px 16px 40px; }
.hero { text-align: left; padding: 18px 4px 8px; }
.pill {
  display: inline-block; border: 1px solid var(--gold); color: var(--gold-light);
  border-radius: 999px; padding: 6px 16px; font-size: 12px; font-weight: 700; letter-spacing: 3px;
}
.hero h1 { font-size: clamp(34px, 6vw, 62px); font-weight: 900; line-height: 1.04; margin: 18px 0 12px; }
.gold-text { background: linear-gradient(180deg, var(--gold-light), var(--gold-deep)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--soft); font-size: 16px; max-width: 760px; line-height: 1.55; }
.hero-stats { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 22px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; min-width: 170px; }
.stat-value { display: block; font-size: 26px; font-weight: 900; color: var(--gold-light); }
.stat-label { font-size: 11px; letter-spacing: 2px; color: var(--muted); font-weight: 700; }
.ended-banner {
  margin-top: 18px; border: 1px solid var(--gold); background: rgba(232,169,44,.1);
  border-radius: 12px; padding: 14px 16px; font-weight: 700; color: var(--gold-light); line-height: 1.5;
}

.boards { display: grid; grid-template-columns: 1fr; gap: 20px; margin-top: 26px; }
@media (min-width: 1024px) { .boards { grid-template-columns: 1fr 1fr; } }
.board { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.board-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.board-head h2 { font-size: 18px; font-weight: 900; letter-spacing: 1px; }
.refresh-note { font-size: 12px; color: var(--muted); font-weight: 600; }
.board-desc { color: var(--soft); font-size: 14px; line-height: 1.55; margin: 10px 0 14px; }
.enter-form { display: flex; gap: 8px; flex-wrap: wrap; }
.enter-form input {
  flex: 1 1 220px; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 999px; padding: 11px 16px; font-family: inherit; font-size: 14px; outline: none;
}
.enter-form input:focus { border-color: var(--gold); }
.form-msg { min-height: 20px; font-size: 13px; font-weight: 600; margin: 8px 2px; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--err); }
.steps { margin: 0 0 14px 18px; color: var(--soft); font-size: 14px; line-height: 1.65; }
.field-label { display: block; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--muted); margin: 12px 0 6px; }
.post-text {
  background: var(--panel-2); border: 1px dashed var(--gold); border-radius: 12px;
  padding: 12px 14px; white-space: pre-wrap; font-size: 14px; line-height: 1.5; color: var(--text);
}
.verify-box .btn-ghost { margin-top: 10px; }
.my-entry { margin-top: 12px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; font-size: 14px; color: var(--soft); line-height: 1.55; }

.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 560px; }
th { text-align: left; color: var(--muted); font-size: 11px; letter-spacing: 1px; padding: 8px 8px; border-bottom: 1px solid var(--line); }
td { padding: 10px 8px; border-bottom: 1px solid rgba(30,39,64,.6); vertical-align: top; }
td.points { font-weight: 900; color: var(--gold-light); white-space: nowrap; }
td.rank { font-weight: 900; color: var(--gold); }
.empty { color: var(--muted); text-align: center; padding: 18px 8px; }
.who { font-weight: 800; color: var(--text); }
.sub { display: block; color: var(--muted); font-size: 11px; font-weight: 600; margin-top: 2px; word-break: break-all; }
.thesis { display: block; color: var(--soft); font-size: 11px; margin-top: 3px; max-width: 260px; white-space: pre-wrap; }

.rules { margin-top: 30px; }
.rules h2 { font-size: 20px; font-weight: 900; letter-spacing: 1px; margin-bottom: 14px; }
.rules-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 900px) { .rules-grid { grid-template-columns: repeat(3, 1fr); } }
.rule-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.rule-card h3 { font-size: 15px; font-weight: 900; color: var(--gold-light); margin-bottom: 12px; }
.rule-card li { display: flex; justify-content: space-between; gap: 10px; list-style: none; padding: 7px 0; border-bottom: 1px solid rgba(30,39,64,.6); font-size: 14px; color: var(--soft); }
.rule-card li strong { color: var(--text); white-space: nowrap; }
.rule-note { color: var(--soft); font-size: 13.5px; line-height: 1.6; margin-top: 10px; }

footer { margin-top: 34px; border-top: 1px solid var(--line); padding-top: 18px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; color: var(--muted); font-size: 13px; font-weight: 600; }