:root {
    color-scheme: dark;
    --bg: #14151a;
    --panel: #1e2026;
    --border: #2c2f38;
    --text: #e8e9ec;
    --muted: #9aa0ac;
    --accent: #e0a63f;
    --accent2: #5b8def;
    --good: #4caf6d;
    --bad: #e2564f;
}

* { box-sizing: border-box; }

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

header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

header h1 {
    font-size: 20px;
    margin: 0;
}

nav a {
    color: var(--muted);
    text-decoration: none;
    margin-right: 16px;
    font-size: 14px;
}

nav a:hover { color: var(--accent); }

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px 16px 60px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 20px;
    margin-bottom: 16px;
}

.tier-row {
    display: flex;
    gap: 14px;
    align-items: baseline;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.tier-row:last-child { border-bottom: none; }

.tier-name {
    font-weight: 700;
    color: var(--accent);
    min-width: 60px;
}

.tier-players { color: var(--text); }
.tier-players.empty { color: var(--muted); font-style: italic; }

.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge.signup { background: rgba(91,141,239,.15); color: var(--accent2); }
.badge.full, .badge.in_progress { background: rgba(224,166,63,.15); color: var(--accent); }
.badge.finished { background: rgba(76,175,109,.15); color: var(--good); }
.badge.cancelled, .badge.draft { background: rgba(226,86,79,.15); color: var(--bad); }

a.button, button {
    display: inline-block;
    background: var(--accent2);
    color: #0d0d0f;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
}
a.button:hover, button:hover { opacity: .9; }

input[type=text] {
    background: #14151a;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 14px;
    width: 100%;
    max-width: 320px;
}

.match {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.match .map { color: var(--muted); font-size: 13px; }
.match .winner { color: var(--good); font-weight: 600; }

.notice { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.notice.ok { background: rgba(76,175,109,.15); color: var(--good); }
.notice.error { background: rgba(226,86,79,.15); color: var(--bad); }

.tournament-image {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: block;
    margin: 12px 0;
}

.muted { color: var(--muted); }

@media (prefers-color-scheme: light) {
    :root {
        color-scheme: light;
        --bg: #f5f6f8;
        --panel: #ffffff;
        --border: #e2e4ea;
        --text: #1c1e22;
        --muted: #666c78;
    }
}