:root {
  color-scheme: dark;
  --bg: #15181e;
  --card: #20242b;
  --card-alt: #2a303b;
  --line: #3b4452;
  --text: #edf2f8;
  --muted: #aab4c3;
  --subtle: #8190a2;
  --blue: #4f9dff;
  --blue-dark: #2f5f9e;
  --gold: #ffd166;
  --green: #78d69b;
  --red: #ff9ba8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, "Segoe UI", system-ui, sans-serif; }
button, input, select, textarea { font: inherit; }
a { color: #8dc0ff; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid #a9cbff; outline-offset: 3px; }
.page { max-width: 1200px; margin: auto; padding: 48px 24px; }
.admin-page, .content-page { max-width: 1060px; }
.hero { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
.brand-lockup { align-items: center; display: flex; gap: 15px; min-width: 0; }
.site-logo { display: block; flex: 0 0 auto; height: 82px; object-fit: contain; width: 82px; filter: drop-shadow(0 6px 12px rgba(0, 0, 0, .32)); }
.profile-logo { height: 64px; width: 64px; }
.hero-tools { display: grid; gap: 14px; justify-items: end; }
.eyebrow { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .14em; margin: 0 0 6px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.05em; margin-bottom: 8px; }
h2 { margin-bottom: 8px; font-size: 1.16rem; }
h3 { font-size: .98rem; }
.subtitle, .updated, #graph-description, .section-heading p, .page-intro { color: var(--muted); margin-bottom: 0; }
.site-nav { display: flex; flex-wrap: wrap; gap: 7px; justify-content: end; }
.site-nav a, .admin-link { border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-size: .8rem; font-weight: 700; padding: 8px 10px; text-decoration: none; white-space: nowrap; }
.site-nav a:hover, .site-nav a.active, .admin-link:hover { background: var(--blue-dark); border-color: var(--blue); }
.live-meta { text-align: right; }
.updated { font-size: .85rem; white-space: nowrap; }
.sync-status { color: var(--muted); font-size: .75rem; margin: 5px 0 0; }
.sync-status.live { color: var(--green); }
.sync-status.offline { color: var(--gold); }

.announcement-board, .submission-card, .submission-cta { background: linear-gradient(135deg, #20242b, #1c2634); border: 1px solid #2f4764; border-radius: 14px; margin-bottom: 16px; padding: 18px; }
.announcement-heading, .section-heading, .review-heading { display: flex; justify-content: space-between; gap: 18px; align-items: start; }
.announcement-heading h2, .section-heading h2, .review-heading h2 { margin-bottom: 5px; }
.announcement-heading > div > p:last-child { color: var(--muted); margin: 0; }
.announcements, .results-list, .submission-list, .history-list { display: grid; gap: 10px; }
.announcement, .result-item, .history-card { background: rgba(21, 24, 30, .58); border-left: 3px solid var(--blue); border-radius: 8px; padding: 12px 14px; }
.announcement-title, .result-item h3, .history-card h3 { margin: 0 0 5px; }
.announcement-body { color: var(--muted); line-height: 1.45; margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }
.announcement-time, .result-meta, .history-meta { color: var(--subtle); display: block; font-size: .75rem; margin: 7px 0 0; }
.empty-announcements, .empty-state, .loading-state, .helper-text { color: var(--muted); margin: 2px 0; }
.error-state { color: var(--red); margin: 2px 0; }
.retry-button { margin-top: 8px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card, .card, .profile-stat, .achievement { background: var(--card); border: 1px solid #2b323e; border-radius: 14px; }
.stat-card { min-width: 0; padding: 15px 17px; }
.stat-card span, .profile-stat span { display: block; color: var(--muted); font-size: .67rem; font-weight: 800; letter-spacing: .09em; margin-bottom: 5px; }
.stat-card strong, .profile-stat strong { display: block; font-size: .98rem; overflow-wrap: anywhere; }
.needs-training { align-items: center; background: linear-gradient(120deg, #342522, #272328); border: 1px solid #77513c; border-radius: 14px; display: flex; gap: 18px; margin-bottom: 16px; padding: 17px 18px; }
.training-badge { align-items: center; background: #d86d47; border-radius: 9px; box-shadow: 0 6px 18px rgba(216, 109, 71, .22); color: #fff8f1; display: flex; font-size: .76rem; font-weight: 900; justify-content: center; letter-spacing: .1em; min-height: 62px; padding: 12px; text-align: center; }
.needs-training h2 { font-size: clamp(1.22rem, 2.8vw, 1.65rem); margin: 0 0 5px; }
.needs-training-description { color: var(--muted); margin: 0; }
.submission-cta { align-items: center; display: flex; gap: 18px; justify-content: space-between; }
.submission-cta h2 { margin: 0 0 5px; }
.submission-cta p:last-child { color: var(--muted); margin: 0; }

.layout { display: grid; grid-template-columns: minmax(360px, .98fr) minmax(400px, 1.32fr); gap: 16px; align-items: stretch; }
.card { padding: 18px; }
.leaderboard-card, .graph-card { min-height: 460px; }
.filter-controls { display: grid; grid-template-columns: 1fr minmax(128px, .45fr); gap: 10px; margin: 16px 0; }
.filter-controls label, .select-label { color: var(--muted); display: grid; font-size: .72rem; font-weight: 750; gap: 5px; letter-spacing: .04em; }
input, select, textarea { background: #15181e; border: 1px solid var(--line); border-radius: 8px; color: var(--text); min-width: 0; padding: 9px 10px; width: 100%; }
.table-scroll { border-radius: 10px; overflow-x: auto; }
.table-head, .player-row { display: grid; grid-template-columns: 66px minmax(135px, 1fr) 84px 70px; align-items: center; gap: 8px; min-width: 390px; }
.table-head { color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .04em; padding: 0 12px 9px; }
.table-head span:last-child, .player-row .elo { text-align: right; }
.leaderboard { display: grid; gap: 5px; }
.player-row { border-radius: 8px; cursor: pointer; padding: 10px 12px; background: var(--card-alt); transition: background .15s, transform .15s; }
.player-row.active, .player-row:hover { background: #294f80; }
.rank { color: var(--gold); font-weight: 750; }
.name { color: var(--text); font-weight: 700; overflow-wrap: anywhere; text-decoration-color: transparent; }
.name:hover { color: #c6deff; text-decoration-color: currentColor; }
.elo { font-variant-numeric: tabular-nums; font-weight: 800; }
.movement { color: var(--muted); font-size: .82rem; font-variant-numeric: tabular-nums; font-weight: 700; }
.movement.up { color: var(--green); }
.movement.down { color: var(--red); }
.graph-title { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.graph-title h2 { margin-bottom: 4px; }
#graph-description { font-size: .85rem; }
canvas { display: block; height: 348px; margin-top: 20px; width: 100%; }
.results-card { margin-top: 16px; }
.results-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.result-item { border-left-color: #d86d47; }
.result-details { color: var(--text); font-size: .86rem; line-height: 1.45; margin: 9px 0 0; }

.button { background: var(--blue-dark); border: 1px solid var(--blue); border-radius: 8px; color: var(--text); cursor: pointer; font: inherit; font-weight: 750; padding: 9px 12px; text-decoration: none; }
.button:hover { background: #3974bb; }
.button.secondary { background: transparent; border-color: var(--line); }
.button.danger { background: #562f3b; border-color: #b85669; }

.submission-heading h2 { margin: 0 0 5px; }
.submission-heading > div > p:last-child { color: var(--muted); margin-bottom: 16px; }
.submission-form, .admin-form { display: grid; gap: 12px; }
.submission-form label, .admin-form label { color: var(--muted); display: grid; font-size: .76rem; font-weight: 800; gap: 6px; letter-spacing: .04em; }
.submission-form .form-help { color: var(--subtle); font-size: .8rem; font-weight: 400; letter-spacing: 0; line-height: 1.35; }
.submission-form-grid { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.submission-actions, .admin-actions, .submission-item-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 9px; }
.form-notice, .admin-notice { color: var(--muted); font-size: .84rem; margin: 0; min-height: 1.2em; }
.form-notice.success, .admin-notice.success { color: var(--green); }
.form-notice.error, .admin-notice.error { color: var(--red); }

.admin-header { align-items: center; }
.admin-layout { display: grid; grid-template-columns: minmax(290px, .9fr) minmax(330px, 1.1fr); gap: 16px; }
.admin-card { background: var(--card); border: 1px solid #2b323e; border-radius: 14px; padding: 18px; }
.admin-form textarea { min-height: 150px; resize: vertical; }
.admin-item { background: var(--card-alt); border-radius: 9px; padding: 13px; }
.admin-item-head { align-items: start; display: flex; gap: 10px; justify-content: space-between; }
.admin-item-head h3 { margin: 0; }
.admin-item-actions { display: flex; flex-shrink: 0; gap: 6px; }
.admin-item-actions .button { font-size: .76rem; padding: 6px 8px; }
.submission-review-card { grid-column: 1 / -1; }
.admin-subheading { font-size: .95rem; margin: 20px 0 9px; }
.review-heading p { color: var(--muted); margin: 0; }
.submission-item { background: var(--card-alt); border-left: 3px solid #d86d47; border-radius: 9px; padding: 14px; }
.submission-item-head { align-items: start; display: flex; gap: 12px; justify-content: space-between; }
.submission-item-head h3 { margin: 0 0 4px; }
.submission-meta { color: var(--muted); font-size: .78rem; margin: 0; }
.submission-details { display: grid; gap: 6px 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 13px 0; }
.submission-detail { color: var(--muted); font-size: .78rem; margin: 0; }
.submission-detail strong { color: var(--text); display: block; font-size: .86rem; margin-top: 2px; }
.proof-link { color: #8dc0ff; font-size: .84rem; overflow-wrap: anywhere; }

.profile-hero { align-items: start; }
.profile-identity { display: flex; gap: 16px; align-items: center; }
.profile-rank { align-items: center; background: #3a3021; border: 1px solid #7a6733; border-radius: 12px; color: var(--gold); display: flex; font-size: 1.2rem; font-weight: 900; height: 60px; justify-content: center; min-width: 60px; }
.profile-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.profile-stat { padding: 15px 17px; }
.profile-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 16px; }
.chart-card { min-height: 410px; }
.history-summary { color: var(--muted); font-size: .85rem; margin: 0 0 12px; }
.profile-history-item { background: var(--card-alt); border-radius: 9px; display: grid; gap: 7px; padding: 12px; }
.profile-history-item strong { font-size: .92rem; }
.profile-history-item p { color: var(--muted); font-size: .82rem; margin: 0; }
.change-positive { color: var(--green); font-weight: 800; }
.change-negative { color: var(--red); font-weight: 800; }
.achievement-list { display: grid; gap: 10px; }
.achievement { padding: 13px; }
.achievement h3 { margin: 0 0 4px; }
.achievement p { color: var(--muted); font-size: .84rem; line-height: 1.4; margin: 0; }
.rank-history { color: var(--muted); font-size: .84rem; line-height: 1.5; margin: 0; }

.history-card { border-left-color: var(--gold); }
.history-card summary { cursor: pointer; font-weight: 800; list-style-position: inside; }
.history-card summary::marker { color: var(--gold); }
.history-results { display: grid; gap: 7px; margin-top: 12px; }
.history-result { background: #171a20; border-radius: 7px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 12px; justify-content: space-between; padding: 9px 10px; }
.history-result strong { color: var(--text); }
.history-disclaimer { color: var(--subtle); font-size: .82rem; margin-bottom: 16px; }
.rule-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.rule-card { background: var(--card); border: 1px solid #2b323e; border-radius: 14px; padding: 18px; }
.rule-card h2 { margin-bottom: 9px; }
.rule-card p, .rule-card li { color: var(--muted); line-height: 1.55; }
.rule-card ul { margin: 0; padding-left: 20px; }
.rule-table { border-collapse: collapse; width: 100%; }
.rule-table th, .rule-table td { border-bottom: 1px solid var(--line); padding: 9px 5px; text-align: left; }
.rule-table th { color: var(--muted); font-size: .74rem; }

.sr-only { height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; clip: rect(0, 0, 0, 0); white-space: nowrap; }

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .layout, .profile-layout { grid-template-columns: 1fr; }
  .leaderboard-card, .graph-card { min-height: auto; }
  .profile-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 800px) {
  .page { padding: 30px 16px; }
  .hero, .graph-title, .announcement-heading, .section-heading, .review-heading { align-items: stretch; flex-direction: column; }
  .brand-lockup { align-items: flex-start; }
  .hero-tools { justify-items: start; }
  .site-nav, .live-meta { justify-content: start; text-align: left; }
  .admin-link, .submission-cta .button { align-self: start; }
  .needs-training, .submission-cta { align-items: stretch; flex-direction: column; }
  .training-badge { min-height: auto; }
  .summary, .layout, .admin-layout { grid-template-columns: 1fr; }
  .submission-form-grid { grid-template-columns: 1fr; }
  .results-list { grid-template-columns: 1fr; }
  .submission-details { grid-template-columns: 1fr; }
  .profile-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rule-grid { grid-template-columns: 1fr; }
  canvas { height: 280px; }
}
@media (max-width: 560px) {
  .stat-grid, .profile-stat-grid { grid-template-columns: 1fr 1fr; }
  .filter-controls { grid-template-columns: 1fr; }
  .profile-identity { align-items: start; }
  .site-logo { height: 58px; width: 58px; }
  .profile-logo { height: 52px; width: 52px; }
  .profile-rank { height: 48px; min-width: 48px; }
  .admin-item-head { align-items: stretch; flex-direction: column; }
  .admin-item-actions { flex-wrap: wrap; }
}