:root {
    --bg: #f6f7fb;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #164e63;
    --primary-light: #e0f2fe;
    --danger: #b91c1c;
    --success: #047857;
    --border: #e5e7eb;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); }
header { background: var(--primary); color: white; padding: 16px 24px; }
header a { color: white; margin-right: 16px; text-decoration: none; font-weight: bold; }
main { max-width: 1180px; margin: 28px auto; padding: 0 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin-bottom: 18px; box-shadow: 0 2px 8px rgba(0,0,0,0.04); }
h1, h2, h3 { margin-top: 0; }
.stage-title { margin: 28px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
table { width: 100%; border-collapse: collapse; background: white; }
th, td { padding: 11px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
tr[id^="match-"] { scroll-margin-top: 20px; }
th { background: #f9fafb; font-size: 14px; }
input, select { width: 100%; padding: 10px; border: 1px solid var(--border); border-radius: 8px; margin: 5px 0 12px; background: white; }
button, .button { background: var(--primary); color: white; border: 0; padding: 9px 13px; border-radius: 8px; text-decoration: none; cursor: pointer; display: inline-block; }
button.danger { background: var(--danger); }
button.success { background: var(--success); }
button.secondary { background: #4b5563; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.badge { padding: 4px 8px; border-radius: 999px; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: bold; }
.badge.danger { background: #fee2e2; color: var(--danger); }
.badge.success { background: #d1fae5; color: var(--success); }
.flash { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; background: #eef2ff; }
.flash.danger { background: #fee2e2; color: var(--danger); }
.flash.success { background: #d1fae5; color: var(--success); }
.flash.warning { background: #fef3c7; color: #92400e; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 160px; gap: 14px; }
.muted { color: var(--muted); }
.score-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 260px; }
.inline-form { display: inline; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.view-switch { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 14px 0; }
.view-switch label { font-weight: bold; }
.compact-select { min-width: 135px; width: auto; margin: 0; padding: 8px; }
.compact-input { min-width: 100px; width: auto; margin: 0; padding: 8px; }
.admin-subnav { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.admin-subnav a { color: var(--primary); background: var(--primary-light); border: 1px solid #bae6fd; border-radius: 8px; padding: 9px 12px; text-decoration: none; font-weight: bold; }
.admin-subnav a:hover { background: #bae6fd; }
.admin-section { scroll-margin-top: 18px; }
@media (max-width: 760px) {
    .grid, .grid-3 { grid-template-columns: 1fr; }
    table { font-size: 14px; }
    th, td { padding: 8px; }
    .admin-subnav { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
    .admin-subnav a { flex: 0 0 auto; }
}

.flag { width: 28px; height: 19px; object-fit: cover; border: 1px solid #ddd; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.team { white-space: nowrap; }

footer { max-width: 1180px; margin: 0 auto 24px; padding: 0 18px; color: var(--muted); font-size: 13px; }
.team strong + .flag { margin-left: 6px; margin-right: 0; }