:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --text: #1f2430;
    --muted: #6b7280;
    --border: #e3e6eb;
    --accent: #d4a72c;      /* oro / trofeo */
    --accent-dark: #b8891a;
    --primary: #2f6feb;
    --danger: #d64545;
    --danger-bg: #fdecec;
    --success: #2e7d51;
    --success-bg: #e7f6ee;
    --info: #2f6feb;
    --info-bg: #e8f0fe;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06);
}

* { box-sizing: border-box; }

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 .3rem; }
h2 { font-size: 1.15rem; margin: 0 0 .6rem; }

/* ---------- Barra superior ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: .7rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}
.brand a { font-weight: 700; color: var(--text); font-size: 1.15rem; }
.brand a:hover { text-decoration: none; }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; }
.userbox { margin-left: auto; display: flex; align-items: center; gap: .8rem; }
.user { color: var(--muted); font-size: .9rem; }

/* ---------- Contenedor ---------- */
.container { max-width: 980px; margin: 1.6rem auto; padding: 0 1.2rem; }

.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.crumb { margin: 0 0 .2rem; font-size: .85rem; }
.muted { color: var(--muted); }

/* ---------- Botones ---------- */
.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    padding: .55rem 1rem;
    border-radius: 8px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}
.btn:hover { background: #2559c9; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg); }
.btn-sm { padding: .35rem .7rem; font-size: .85rem; }

/* ---------- Tarjetas ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.2rem;
    box-shadow: var(--shadow);
}
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1rem; }
.link-card { color: var(--text); display: block; transition: transform .05s ease; }
.link-card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); }

.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 1.4rem; align-items: start; }
.two-col aside { display: grid; gap: 1.2rem; }

/* ---------- Formularios ---------- */
.stack { display: grid; gap: .8rem; }
label { display: block; font-weight: 600; font-size: .9rem; }
input, select {
    width: 100%;
    margin-top: .3rem;
    padding: .55rem .65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font: inherit;
    font-weight: 400;
    background: #fff;
    color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: var(--primary); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }

/* ---------- Autenticación ---------- */
.auth { max-width: 380px; margin: 3rem auto; }
.auth h1 { margin-bottom: .2rem; }

/* ---------- Mensajes flash ---------- */
.flash { padding: .7rem .9rem; border-radius: 8px; margin-bottom: .8rem; font-size: .92rem; }
.flash-success { background: var(--success-bg); color: var(--success); }
.flash-error { background: var(--danger-bg); color: var(--danger); }
.flash-info { background: var(--info-bg); color: var(--info); }
.errors { margin: 0; padding-left: 1.1rem; }

/* ---------- Estadísticas ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin: 1.2rem 0 1.8rem; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem; text-align: center; box-shadow: var(--shadow); }
.stat-num { display: block; font-size: 2rem; font-weight: 700; color: var(--accent-dark); }
.stat-label { color: var(--muted); font-size: .85rem; }

/* ---------- Listas ---------- */
.list { display: grid; gap: .6rem; }
.list-row {
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
    padding: .8rem 1rem; color: var(--text);
}
.list-row:hover { text-decoration: none; border-color: var(--accent); }
.list-title { font-weight: 600; }
.badges { display: flex; gap: .4rem; flex-wrap: wrap; }
.badge { background: var(--bg); border: 1px solid var(--border); color: var(--muted); border-radius: 999px; padding: .1rem .6rem; font-size: .78rem; }
.badge-admin { background: #fbf1d6; border-color: #efdca0; color: var(--accent-dark); }

.member-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
.member-list li { display: flex; align-items: center; justify-content: space-between; padding: .35rem 0; border-bottom: 1px dashed var(--border); }
.member-list li:last-child { border-bottom: 0; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--border); font-size: .92rem; }
th { background: #fafbfc; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
tbody tr:last-child td { border-bottom: 0; }
.winner { font-weight: 600; color: var(--accent-dark); }
.center { text-align: center; }

/* ---------- Formulario de partida ---------- */
.match-form { max-width: 640px; }
.players-field { border: 1px solid var(--border); border-radius: 10px; padding: 1rem; }
.players-field legend { font-weight: 700; padding: 0 .4rem; }
.players-table th { text-transform: none; letter-spacing: 0; }
.players-table input { width: auto; margin: 0; }

/* ---------- Ranking / Hall of Fame ---------- */
.filter select { width: auto; }
.ranking-card h2 { border-bottom: 2px solid var(--accent); padding-bottom: .4rem; }
.ranking { list-style: none; margin: .4rem 0 0; padding: 0; display: grid; gap: .3rem; counter-reset: rank; }
.ranking li { display: flex; align-items: center; gap: .6rem; padding: .35rem .2rem; border-radius: 6px; }
.ranking li.is-leader { background: #fbf6e6; }
.rank { width: 1.8rem; text-align: center; font-weight: 700; color: var(--muted); }
.rank-name { flex: 1; font-weight: 500; }
.rank-wins { color: var(--muted); font-size: .85rem; white-space: nowrap; }

/* ---------- Pie ---------- */
.site-footer { text-align: center; color: var(--muted); padding: 2rem 1rem; }

/* ---------- Responsivo ---------- */
@media (max-width: 720px) {
    .two-col { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .topbar { gap: .8rem; }
    .userbox { width: 100%; margin-left: 0; }
}