:root {
    --bg: #f6f5f1;
    --surface: #ffffff;
    --surface-alt: #f0eee8;
    --text: #1d1f24;
    --muted: #61656e;
    --border: #dcd9d0;
    --accent: #1f5fae;
    --accent-text: #ffffff;
    /* The header matches the primary buttons, in both light and dark mode. */
    --brand: var(--accent);
    --brand-text: var(--accent-text);
    --good: #1e7a3c;
    --good-bg: #e3f3e8;
    --bad: #b3261e;
    --bad-bg: #fbe7e5;
    --neutral-bg: #eceae3;
    --selected-bg: #dce9fa;
    --radius: 8px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #15171b;
        --surface: #1e2127;
        --surface-alt: #262a31;
        --text: #e8e9ec;
        --muted: #a1a6b0;
        --border: #363b44;
        --accent: #6aa6f0;
        --accent-text: #0e1726;
        --good: #6fcf8f;
        --good-bg: #1d3325;
        --bad: #f08a82;
        --bad-bg: #3a2120;
        --neutral-bg: #2c3038;
        --selected-bg: #20354f;
    }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.45 var(--font);
}

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

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 .75rem; }
h3 { font-size: 1rem; margin: 0 0 .5rem; }

.container { max-width: 1120px; margin: 0 auto; padding: 1.25rem 16px 3rem; }

/* ---- Header ---- */

.site-header { background: var(--brand); color: var(--brand-text); }
.header-inner {
    max-width: 1120px; margin: 0 auto; padding: .5rem 16px;
    display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem;
}
.brand { font-weight: 800; font-size: 1.4rem; letter-spacing: .01em; color: inherit; text-decoration: none; }
.main-nav { display: flex; flex-wrap: wrap; gap: .25rem; }
.main-nav a {
    color: inherit; text-decoration: none; padding: .35rem .65rem; border-radius: var(--radius); font-weight: 600;
}
.main-nav a:hover { background: color-mix(in srgb, currentColor 15%, transparent); }
.main-nav a.active { background: var(--brand-text); color: var(--brand); }
.header-tools { margin-left: auto; display: flex; align-items: center; gap: .75rem; font-size: .9rem; }
.header-tools select { margin-left: .25rem; }
.account-link { color: inherit; font-weight: 600; }
@media (max-width: 640px) {
    .header-tools { margin-left: 0; width: 100%; justify-content: space-between; }
}
.link-button { background: none; border: none; color: inherit; text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }

/* ---- Controls ---- */

button, .button {
    font: inherit; border-radius: var(--radius); border: 1px solid var(--accent);
    background: var(--accent); color: var(--accent-text); padding: .4rem .9rem; cursor: pointer; font-weight: 600;
}
button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select {
    font: inherit; color: var(--text); background: var(--surface);
    border: 1px solid var(--border); border-radius: 6px; padding: .3rem .45rem;
}
input[type="checkbox"] { width: auto; }
label { font-size: .9rem; }

.form-grid { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); align-items: end; }
.form-grid label { display: flex; flex-direction: column; gap: .2rem; }
.form-grid label.inline { flex-direction: row; align-items: center; gap: .4rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.notice { background: var(--surface-alt); border-radius: var(--radius); padding: .75rem 1rem; margin-bottom: 1rem; }
.error-text { color: var(--bad); }
.toolbar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: 1rem; }
.toolbar .spacer { flex: 1; }

/* ---- Tables ---- */

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--surface); }
th, td { padding: .45rem .6rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); background: var(--surface-alt); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.playoff-spot td:first-child { box-shadow: inset 4px 0 0 var(--good); }
.team-name { font-weight: 600; }
.owner { color: var(--muted); font-size: .85rem; }

/* ---- Standings ---- */

.conference-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr)); gap: 1rem; }
.division { margin-bottom: 1rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.division h3 { padding: .6rem .75rem; margin: 0; background: var(--surface); border-bottom: 1px solid var(--border); }

/* ---- Week selector ---- */

.week-tabs { display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: 1rem; }
.week-tabs a {
    padding: .25rem .6rem; border-radius: 999px; border: 1px solid var(--border);
    text-decoration: none; color: var(--text); background: var(--surface); font-size: .85rem;
}
.week-tabs a.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.week-tabs a.done::after { content: " ✓"; }

/* ---- Picks ---- */

.pick-summary { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .6rem 1rem; margin-bottom: 1rem; }
.pick-count { font-weight: 700; font-size: 1.1rem; }
.games { display: grid; gap: .5rem; }
.game {
    display: grid; grid-template-columns: 1fr 1fr auto; gap: .5rem; align-items: stretch;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .5rem;
}
.game-meta { display: flex; flex-direction: column; justify-content: center; text-align: right; font-size: .8rem; color: var(--muted); min-width: 120px; }
.side {
    display: flex; justify-content: space-between; align-items: center; gap: .5rem; text-align: left;
    padding: .55rem .7rem; border-radius: 6px; border: 2px solid var(--border);
    background: var(--surface); color: var(--text); font-weight: 500;
}
button.side { cursor: pointer; }
.side .line { font-variant-numeric: tabular-nums; color: var(--muted); }
.side.selected { border-color: var(--accent); background: var(--selected-bg); }
.side .score { font-weight: 700; }
.outcome-Correct { border-color: var(--good) !important; background: var(--good-bg) !important; }
.outcome-Incorrect { border-color: var(--bad) !important; background: var(--bad-bg) !important; }
.outcome-Push, .outcome-NoContest { border-color: var(--muted) !important; background: var(--neutral-bg) !important; }
.badge { display: inline-block; padding: 0 .45rem; border-radius: 999px; font-size: .75rem; font-weight: 700; background: var(--neutral-bg); color: var(--muted); }
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.bad { background: var(--bad-bg); color: var(--bad); }

@media (max-width: 640px) {
    .game { grid-template-columns: 1fr; }
    .game-meta { text-align: left; flex-direction: row; gap: .75rem; }
}

/* ---- Matchups ---- */

.matchups { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: .75rem; }
.matchup { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.matchup-row { display: flex; justify-content: space-between; align-items: center; padding: .55rem .75rem; gap: .5rem; }
.matchup-row + .matchup-row { border-top: 1px solid var(--border); }
.matchup-row.winner { background: var(--good-bg); }
.matchup-row .tally { font-weight: 800; font-size: 1.2rem; font-variant-numeric: tabular-nums; }
.matchup-foot { font-size: .8rem; color: var(--muted); padding: .35rem .75rem; background: var(--surface-alt); }
.matchup-picks { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; padding: .5rem .75rem; border-top: 1px solid var(--border); font-size: .8rem; }
.matchup-picks ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .2rem; }
.matchup-picks li { padding: .1rem .35rem; border-radius: 4px; border: 1px solid transparent; }
details > summary { cursor: pointer; padding: .35rem .75rem; font-size: .85rem; color: var(--accent); border-top: 1px solid var(--border); }

/* ---- Playoffs ---- */

.bracket { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: center; }
.bracket-round h3 { text-align: center; }
.bracket-round .matchup { margin-bottom: .75rem; }
.champion { text-align: center; font-size: 1.25rem; font-weight: 800; padding: 1rem; background: var(--brand); color: var(--brand-text); border-radius: var(--radius); margin-bottom: 1rem; }
@media (max-width: 800px) { .bracket { grid-template-columns: 1fr; } }

/* ---- Login ---- */

.login { max-width: 360px; margin: 3rem auto; }
.login form { display: grid; gap: .75rem; }
.login label { display: grid; gap: .25rem; }

/* ---- Admin ---- */

.admin-games input[type="number"] { width: 5.5rem; }
.admin-games input[type="text"] { width: 10rem; }

/* ---- Alerts ---- */

.alerts { padding-bottom: 0; }
.alert {
    background: var(--bad-bg); color: var(--text); border: 1px solid var(--bad);
    border-radius: var(--radius); padding: .6rem 1rem; margin-bottom: .5rem;
}
.alert a { font-weight: 700; }

/* ---- Toast ---- */

.toast {
    position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%); z-index: 10;
    background: var(--text); color: var(--bg); padding: .6rem 1.1rem; border-radius: var(--radius); max-width: calc(100% - 32px);
}
.toast.error { background: var(--bad); color: #fff; }