:root {
    --color-bg: #f6f7fb;
    --color-surface: #ffffff;
    --color-border: #e1e4ec;
    --color-text: #1a1d29;
    --color-text-muted: #626678;
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-success-bg: #ecfdf3;
    --color-success-text: #067647;
    --color-success-border: #abefc6;
    --color-error-bg: #fef3f2;
    --color-error-text: #b42318;
    --color-error-border: #fecdca;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #14151f;
        --color-surface: #1c1e2b;
        --color-border: #2c2f42;
        --color-text: #eef0f7;
        --color-text-muted: #9296ab;
        --color-primary: #818cf8;
        --color-primary-hover: #a5b0fc;
        --color-success-bg: #0d2318;
        --color-success-text: #4ade80;
        --color-success-border: #16532f;
        --color-error-bg: #2a1414;
        --color-error-text: #f87171;
        --color-error-border: #5c2323;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

.wrap {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.site-header .wrap { padding: 16px 20px; }

.brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text);
    text-decoration: none;
}

main.wrap { padding: 32px 20px 64px; }

.site-footer {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: 24px 0 40px;
}

h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
p.lede { color: var(--color-text-muted); margin-top: 0; }

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.field { margin-bottom: 18px; }
.field label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 6px;
}
.field .hint { color: var(--color-text-muted); font-size: 0.82rem; margin-top: 4px; }

input[type=text], input[type=number], textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
}
input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}
textarea { resize: vertical; min-height: 80px; }

.radio-group { display: grid; gap: 10px; }
.radio-option {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
}
.radio-option input { margin-top: 3px; }
.radio-option .format-name { font-weight: 600; }
.radio-option .format-desc { color: var(--color-text-muted); font-size: 0.85rem; }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 11px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--color-primary-hover); }
.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); }

.flash {
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border: 1px solid;
}
.flash-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
    border-color: var(--color-success-border);
}
.flash-error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
    border-color: var(--color-error-border);
}

.errorlist { color: var(--color-error-text); font-size: 0.85rem; margin: 4px 0 0; padding-left: 18px; }

.token-banner {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}
.token-banner h2 { color: var(--color-success-text); margin-bottom: 6px; }
.token-banner .manage-url {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.token-banner code {
    background: var(--color-surface);
    border: 1px solid var(--color-success-border);
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 0.85rem;
    flex: 1;
    min-width: 0;
    overflow-wrap: anywhere;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.meta-row { display: flex; gap: 10px; align-items: center; margin-bottom: 4px; flex-wrap: wrap; }

.bracket { display: flex; gap: 28px; overflow-x: auto; padding: 4px 4px 16px; }
.bracket-round { display: flex; flex-direction: column; justify-content: space-around; gap: 18px; min-width: 230px; }
.bracket-round h3 {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin: 0 0 2px;
    font-weight: 700;
}
.match-card { border: 1px solid var(--color-border); border-radius: 8px; background: var(--color-surface); overflow: hidden; }
.match-status {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 3px 10px;
    text-align: right;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}
.match-slot { display: flex; justify-content: space-between; align-items: center; padding: 8px 10px; gap: 8px; }
.match-slot + .match-slot { border-top: 1px solid var(--color-border); }
.match-slot.is-winner { font-weight: 700; }
.match-slot .slot-name { display: flex; align-items: center; gap: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.match-slot .slot-seed {
    color: var(--color-text-muted);
    font-size: 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0 4px;
    flex-shrink: 0;
}
.match-slot .slot-score { font-variant-numeric: tabular-nums; font-weight: 700; }
.match-slot .slot-empty { color: var(--color-text-muted); font-style: italic; }
/* Used standalone for the undo action: a padded bordered strip + button. */
.match-report-form { padding: 8px 10px; border-top: 1px solid var(--color-border); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.match-report-form .btn { padding: 7px 12px; font-size: 0.85rem; }

/* Wraps match-slot rows + a submit button when a match is reportable — the
   score input sits inline with its player (same row, right-aligned via
   .match-slot's existing space-between layout) rather than in a separate
   block, so it's unambiguous which score belongs to which player. */
.score-report-form input[type=number] { width: 56px; padding: 6px; text-align: center; }
.score-report-form .report-submit-row { padding: 8px 10px; border-top: 1px solid var(--color-border); }
.score-report-form .report-submit-row .btn { padding: 7px 12px; font-size: 0.85rem; }

.table-scroll { overflow-x: auto; }
.standings-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 420px; }
.standings-table th, .standings-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--color-border); }
.standings-table th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-text-muted); font-weight: 600; }
.standings-table td.numeric, .standings-table th.numeric { text-align: right; font-variant-numeric: tabular-nums; }
.standings-table tr.is-champion td { font-weight: 700; }

.match-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.round-block { margin-bottom: 24px; }
.round-block h3 { font-size: 0.9rem; margin: 0 0 10px; }
.round-block .match-card { max-width: 380px; }