@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@600;700;800&family=Inter:wght@400;500;600;700&family=Space+Mono:wght@500;700&display=swap');

:root {
  --bg: #0E1620;
  --panel: #16212C;
  --panel-alt: #111A22;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.12);
  --text: #F3F7FA;
  --text-dim: #C7D3DB;
  --text-mute: #93A6B4;
  --text-faint: #6E8A9B;
  --text-faintest: #5E7386;
  --green: #39D98A;
  --green-bright: #4FF0A6;
  --green-dark: #22B06B;
  --gold: #E8B54D;
  --silver: #B9C2CC;
  --bronze: #C98F5E;
  --red: #FF5C5C;
  --red-text: #FF8080;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 46px, transparent 46px, transparent 92px);
  min-height: 100vh;
}

::selection { background: rgba(57,217,138,0.35); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes popIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

.fade-in { animation: fadeInUp .35s ease; }
.pop-in { animation: popIn .35s ease; }

button, input, select, textarea { font-family: inherit; }
select, input, textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  border-radius: 3px;
  border: 1.5px solid var(--border-strong);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}
textarea { resize: vertical; }
label { font-size: 12.5px; font-weight: 700; color: var(--text-dim); display: block; margin-bottom: 6px; }

button { cursor: pointer; }
.btn-primary {
  background: var(--green);
  color: var(--bg);
  border: none;
  padding: 12px 28px;
  border-radius: 4px;
  font-family: 'Kanit', sans-serif;
  font-weight: 700;
  font-size: 14.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  box-shadow: 0 4px 14px rgba(57,217,138,0.35);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.btn-primary:hover { background: var(--green-bright); }
.btn-primary:disabled { opacity: .55; cursor: default; box-shadow: none; }

.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--border-strong);
  color: var(--green);
  padding: 9px 20px;
  border-radius: 4px;
  font-family: 'Kanit', sans-serif;
  font-weight: 700;
  font-size: 13px;
}
.btn-secondary:hover { background: rgba(57,217,138,0.1); }

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-mute);
  font-size: 12.5px;
}

.ball-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.06);
}
.ball-badge img { width: 74%; height: 74%; display: block; }
.spin { display: inline-flex; animation: spin .8s linear infinite; }

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #121C26;
  border-bottom: 1px solid var(--border);
  padding: 14px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 4px;
  background: radial-gradient(circle at 30% 30%, var(--green-bright), var(--green-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(57,217,138,0.35);
  flex-shrink: 0; position: relative;
}
.brand-mark .ball-badge { width: 27px; height: 27px; }
.brand-title {
  font-family: 'Kanit', sans-serif; font-weight: 800; font-size: 19px; line-height: 1.1;
  color: var(--text); letter-spacing: .04em; text-transform: uppercase;
}
.brand-title .x { text-transform: lowercase; }
.brand-sub { font-size: 12px; color: var(--text-mute); font-weight: 500; }

.tabs { display: flex; align-items: center; gap: 6px; background: var(--bg); padding: 5px; border-radius: 4px; border: 1px solid var(--border); }
.tab-btn {
  border: none; padding: 9px 18px; border-radius: 4px; font-family: 'Kanit', sans-serif;
  font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .04em;
  transition: all .18s ease; background: transparent; color: var(--text-mute);
}
.tab-btn:hover { background: rgba(57,217,138,0.16); color: var(--green); }
.tab-btn.active { background: rgba(57,217,138,0.16); color: var(--green); }

.countdown-wrap { text-align: right; }
.countdown-label { font-size: 10.5px; color: var(--text-mute); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 3px; }
.countdown-box { background: #0B1319; border: 1.5px solid rgba(57,217,138,0.4); border-radius: 3px; padding: 5px 14px; display: inline-block; }
.countdown-box.locked { border-color: rgba(255,92,92,0.5); }
.countdown-str { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 15px; letter-spacing: .04em; color: var(--green); text-shadow: 0 0 8px rgba(57,217,138,0.5); }
.countdown-str.locked { color: var(--red); text-shadow: 0 0 8px rgba(255,92,92,0.5); }

.app-main { max-width: 1120px; margin: 0 auto; padding: 36px 40px 80px; }

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border-radius: 6px;
  border: 1px solid var(--border);
  padding: 32px;
}
.card-accent-top { border-top: 3px solid var(--green); border-left: 1px solid var(--border); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.card-accent-gold { border-top: 3px solid var(--gold); }

.card h2 { font-family: 'Kanit', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; font-size: 23px; margin: 0 0 4px; color: var(--text); }
.card p.sub { margin: 0 0 24px; font-size: 13.5px; color: var(--text-mute); }

.error-box { background: rgba(255,92,92,0.14); border: 1px solid rgba(255,92,92,0.35); color: var(--red-text); border-radius: 3px; padding: 12px 16px; margin-bottom: 20px; font-size: 13px; }
.error-box div { margin: 2px 0; }

/* ---------- Predictions form ---------- */
.predict-grid { display: grid; gap: 28px; }
.predict-top { display: grid; grid-template-columns: 1.5fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 900px) { .predict-top { grid-template-columns: 1fr; } }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.field-group { margin-bottom: 20px; }

.semis-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 4px; }
.semis-head .label { font-size: 12.5px; font-weight: 700; color: var(--text-dim); }
.semis-count { font-size: 12px; font-weight: 700; }
.semis-hint { font-size: 11px; color: var(--text-faintest); margin-bottom: 8px; }
.chip-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px,1fr)); gap: 8px; }
.chip {
  border: 1.5px solid var(--border-strong); background: var(--bg); color: var(--text-dim);
  border-radius: 3px; padding: 9px 6px; font-size: 12.5px; font-weight: 600;
  display: flex; flex-direction: column; align-items: center; gap: 1px; transition: all .15s ease;
}
.chip .tag { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; opacity: .85; }

.preview-panel {
  background: var(--bg); border-radius: 6px; padding: 26px; color: #fff;
  border: 1px solid rgba(57,217,138,0.25);
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 9px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 9px);
}
.preview-title { font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--green); margin-bottom: 16px; }
.preview-list { display: grid; gap: 14px; font-size: 14px; }
.preview-list .k { color: var(--text-faint); font-size: 11.5px; font-weight: 600; margin-bottom: 2px; }

.summary-check { width: 34px; height: 34px; border-radius: 4px; background: rgba(57,217,138,0.16); display: flex; align-items: center; justify-content: center; color: var(--green); font-weight: 800; }
.summary-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.summary-rows { display: grid; gap: 12px; font-size: 14px; }
.summary-rows .k { color: var(--text-mute); font-weight: 600; }

/* ---------- Bracket ---------- */
.bracket-card { border-radius: 6px; padding: 28px 32px; border: 1px solid var(--border); overflow-x: auto; }
.bracket-title { font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 15px; color: var(--text); margin-bottom: 2px; }
.bracket-sub { font-size: 11.5px; color: var(--text-faint); margin-bottom: 20px; line-height: 1.4; }
.bracket-stage { position: relative; width: 1050px; height: 218px; margin: 0 auto; }
.bslot {
  position: absolute; width: 100px; height: 44px; background: var(--bg);
  border: 1px solid var(--border-strong); border-radius: 3px; display: flex; align-items: center; gap: 6px;
  padding: 0 9px; box-sizing: border-box; font-size: 12px; color: var(--text-mute); font-weight: 500;
}
.bslot .dot { width: 6px; height: 6px; border-radius: 4px; background: #3A4B5A; flex-shrink: 0; }
.bslot.filled { color: var(--text); font-weight: 700; }
.bline { position: absolute; background: rgba(255,255,255,0.18); }
.bnode-qf { position: absolute; width: 120px; height: 44px; background: rgba(255,255,255,0.03); border: 1px dashed rgba(255,255,255,0.15); border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: 10.5px; color: var(--text-faintest); }
.bnode-sf { position: absolute; width: 140px; height: 44px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.14); border-radius: 3px; display: flex; align-items: center; justify-content: center; font-size: 11.5px; font-weight: 700; color: var(--text-dim); }
.bnode-final {
  position: absolute; width: 150px; height: 44px; background: rgba(232,181,77,0.14); border: 1.5px solid rgba(232,181,77,0.5);
  border-radius: 3px; display: flex; align-items: center; justify-content: center; gap: 7px;
  font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 12.5px; color: var(--gold);
}
.bnode-final .ball-badge { width: 17px; height: 17px; }
.half-b { position: absolute; left: 630px; top: 0; width: 420px; height: 218px; transform: scaleX(-1); }
.half-b .bslot, .half-b .bnode-qf, .half-b .bnode-sf { transform: scaleX(-1); }
.bracket-warning { margin-top: 14px; background: rgba(255,92,92,0.14); border: 1px solid rgba(255,92,92,0.35); color: var(--red-text); border-radius: 3px; padding: 10px 12px; font-size: 12px; line-height: 1.4; text-align: center; }

/* ---------- Leaderboard ---------- */
.lb-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 16px; }
.lb-head h2 { font-family: 'Kanit', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; font-size: 23px; margin: 0 0 4px; }
.lb-head p { margin: 0; font-size: 13px; color: var(--text-mute); }
.me-card { display: flex; align-items: center; gap: 14px; background: var(--panel); padding: 10px 20px; border-radius: 4px; border: 1px solid var(--border); }
.me-card .label { font-size: 10.5px; font-weight: 700; color: var(--text-faint); text-transform: uppercase; letter-spacing: .05em; white-space: nowrap; }
.me-card .rank { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 20px; color: var(--green); }
.me-card .divider { width: 1px; height: 32px; background: var(--border-strong); }
.me-card .change { font-weight: 700; font-size: 13.5px; white-space: nowrap; }
.me-card .delta { font-size: 11.5px; color: var(--text-faint); white-space: nowrap; }

.lb-table { background: var(--panel); border-radius: 6px; border-top: 3px solid var(--gold); border: 1px solid var(--border); border-top: 3px solid var(--gold); overflow: hidden; }
.lb-cols { display: grid; grid-template-columns: 56px 1.8fr 1fr 100px; padding: 14px 22px; font-size: 11px; font-weight: 700; color: var(--text-faint); text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--border); }
.lb-row { display: grid; grid-template-columns: 56px 1.8fr 1fr 100px; padding: 16px 22px; align-items: center; cursor: pointer; border-bottom: 1px solid rgba(255,255,255,0.05); transition: background .15s ease; }
.lb-row:hover { background: rgba(255,255,255,0.03); }
.lb-badge { width: 32px; height: 32px; border-radius: 2px; background: rgba(255,255,255,0.06); color: var(--text-mute); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px; font-family: 'Kanit', sans-serif; }
.lb-badge.gold { background: var(--gold); color: var(--bg); }
.lb-badge.silver { background: var(--silver); color: var(--bg); }
.lb-badge.bronze { background: var(--bronze); color: var(--bg); }
.lb-name { display: flex; align-items: center; gap: 10px; }
.lb-initials { width: 32px; height: 32px; border-radius: 4px; background: rgba(57,217,138,0.14); color: var(--green); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; flex-shrink: 0; }
.lb-you { background: var(--green); color: var(--bg); font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 4px; text-transform: uppercase; letter-spacing: .03em; }
.lb-semis { font-size: 13.5px; color: var(--text-mute); }
.corr-badges { display: flex; gap: 5px; flex-wrap: wrap; }
.corr-badge { font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 3px; background: rgba(255,255,255,0.05); color: var(--text-faint); white-space: nowrap; }
.corr-badge.ok { background: rgba(57,217,138,0.16); color: var(--green); }
.lb-score { text-align: right; font-family: 'Space Mono', monospace; font-weight: 700; font-size: 17px; color: var(--green); text-shadow: 0 0 6px rgba(57,217,138,0.35); }
.lb-expand { padding: 16px 22px 20px 90px; background: var(--panel-alt); border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 13px; color: var(--text-mute); display: grid; gap: 6px; }
.lb-expand b { color: var(--text-dim); }

/* ---------- Feed ---------- */
.feed-layout { display: grid; grid-template-columns: 1fr 300px; gap: 24px; align-items: start; }
@media (max-width: 900px) { .feed-layout { grid-template-columns: 1fr; } }
.feed-main { display: grid; gap: 22px; }
.feed-composer { background: var(--panel); border-radius: 4px; padding: 22px; border: 1px solid var(--border); }
.feed-composer select, .feed-composer textarea { margin-bottom: 10px; }
.sort-row { display: flex; gap: 8px; }
.sort-btn { border: 1.5px solid var(--border-strong); background: var(--panel); color: var(--text-mute); padding: 7px 16px; border-radius: 4px; font-size: 12.5px; font-weight: 700; }
.sort-btn.active { background: var(--green); color: var(--bg); border-color: var(--green); }

.post-card { background: var(--panel); border-radius: 4px; padding: 20px 22px; border: 1px solid var(--border); }
.post-card.mine { background: rgba(57,217,138,0.06); border-color: rgba(57,217,138,0.3); }
.post-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.post-initials { width: 30px; height: 30px; border-radius: 4px; background: rgba(57,217,138,0.14); color: var(--green); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 11.5px; flex-shrink: 0; }
.post-author { font-weight: 700; font-size: 13.5px; color: var(--text); }
.post-match { font-size: 11.5px; color: var(--text-faint); font-weight: 600; }
.post-text { margin: 0 0 14px; font-size: 14px; line-height: 1.5; color: var(--text-dim); }
.post-votes { display: flex; gap: 10px; }
.vote-btn { border: 1.5px solid var(--border-strong); background: var(--bg); color: var(--text-mute); padding: 6px 14px; border-radius: 4px; font-size: 12.5px; font-weight: 700; }
.vote-btn.funny.active { border-color: var(--gold); background: rgba(232,181,77,0.16); color: var(--gold); }
.vote-btn.insight.active { border-color: var(--green); background: rgba(57,217,138,0.16); color: var(--green); }

.leaders-panel { background: var(--panel); border-radius: 4px; padding: 20px 22px; border: 1px solid var(--border); }
.leaders-title { font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 13px; color: var(--text); margin-bottom: 2px; }
.leaders-sub { font-size: 11px; color: var(--text-faint); margin-bottom: 14px; }
.leader-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.leader-rank { width: 18px; font-weight: 800; font-size: 12px; color: var(--text-faint); font-family: 'Kanit', sans-serif; }
.leader-initials { width: 26px; height: 26px; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 10.5px; flex-shrink: 0; }
.leader-initials.gold { background: rgba(232,181,77,0.16); color: var(--gold); }
.leader-initials.green { background: rgba(57,217,138,0.14); color: var(--green); }
.leader-info { flex: 1; min-width: 0; }
.leader-name { font-weight: 600; font-size: 12.5px; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.leader-posts { font-size: 11px; color: var(--text-faint); }
.leader-total { font-family: 'Space Mono', monospace; font-weight: 700; font-size: 14px; }
.leader-total.gold { color: var(--gold); }
.leader-total.green { color: var(--green); }

/* ---------- Auth ---------- */
.auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.auth-card { width: 380px; background: var(--panel); border-radius: 6px; padding: 36px; border: 1px solid var(--border); position: relative; }
.auth-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.auth-brand .brand-mark { width: 38px; height: 38px; }
.auth-brand .brand-mark .ball-badge { width: 24px; height: 24px; }
.auth-brand .brand-title { font-size: 17px; }
.auth-card h2 { font-family: 'Kanit', sans-serif; font-weight: 800; text-transform: uppercase; letter-spacing: .02em; font-size: 20px; margin: 0 0 6px; color: var(--text); }
.auth-card p { margin: 0 0 22px; font-size: 13px; color: var(--text-mute); line-height: 1.4; }
.auth-card .btn-primary, .auth-card .btn-secondary-full { width: 100%; justify-content: center; margin-bottom: 10px; }
.btn-outline-full {
  width: 100%; background: transparent; color: var(--text); border: 1.5px solid var(--border-strong);
  padding: 11.5px; border-radius: 4px; font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 14.5px;
  text-transform: uppercase; letter-spacing: .04em;
}
.btn-outline-full:hover { background: rgba(57,217,138,0.08); border-color: var(--green); }
.code-input {
  font-size: 20px; font-family: 'Space Mono', monospace; letter-spacing: .3em; text-align: center;
}
.auth-error { color: var(--red-text); font-size: 12.5px; margin-bottom: 12px; }

/* ---------- Admin ---------- */
.admin-grid { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
@media (max-width: 900px) { .admin-grid { grid-template-columns: 1fr; } }
.admin-card { background: var(--panel); border-radius: 6px; border: 1px solid var(--border); padding: 24px; }
.admin-card h3 { font-family: 'Kanit', sans-serif; font-weight: 700; font-size: 15px; margin: 0 0 14px; color: var(--text); text-transform: uppercase; letter-spacing: .02em; }
.admin-field { margin-bottom: 14px; }
.admin-field label { margin-bottom: 4px; }
.admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.admin-note { font-size: 11.5px; color: var(--text-faintest); margin-top: -8px; margin-bottom: 14px; }
.admin-save-msg { font-size: 12.5px; color: var(--green); margin-top: 8px; }
.admin-error-msg { font-size: 12.5px; color: var(--red-text); margin-top: 8px; }
textarea.admin-json { font-family: 'Space Mono', monospace; font-size: 12px; min-height: 90px; }

.hidden { display: none !important; }