:root {
    --bg: #0b1220;
    --bg-2: #121c2f;
    --panel: #17233a;
    --line: #2b3c5c;
    --text: #e8eefc;
    --muted: #9db0d0;
    --accent: #ffcc33;
    --accent-2: #38d39f;
    --danger: #ff5d6c;
    --purple: #a56bff;
    --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    --radius: 16px;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* { box-sizing: border-box; }

[hidden] {
    display: none !important;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(165, 107, 255, 0.16), transparent 35%),
        radial-gradient(circle at bottom left, rgba(255, 204, 51, 0.08), transparent 30%),
        linear-gradient(160deg, var(--bg), #081018 60%, #101828);
}

.hub {
    width: min(1100px, calc(100% - 1.5rem));
    margin: 0 auto;
    padding: 1.25rem 0 3rem;
}

.hub-top {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.eyebrow {
    margin: 0;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    font-weight: 700;
}

h1, h2, h3 { margin: 0.2rem 0; }

.lede, .muted, label { color: var(--muted); }

.hub-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pill, .btn, .nav-btn, button {
    appearance: none;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--line);
    color: var(--muted);
    background: rgba(255,255,255,0.03);
}

.pill:hover { color: var(--text); border-color: var(--accent); }

.cal-shell, .admin-card, .day-panel-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent), var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cal-shell, .admin-card { padding: 1.15rem; }

.admin-card.narrow { max-width: 420px; margin: 2rem auto; }

.cal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.nav-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--bg-2);
    color: var(--text);
    border: 1px solid var(--line);
    font-size: 1.4rem;
}

.cal-weekdays,
.cal-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.45rem;
}

.cal-weekdays {
    margin-bottom: 0.45rem;
}

.cal-weekdays span {
    text-align: center;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.cal-cell {
    min-height: 84px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: rgba(0,0,0,0.18);
    color: var(--text);
    padding: 0.45rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.cal-cell.empty {
    background: transparent;
    min-height: 84px;
}

.cal-cell.day {
    cursor: pointer;
    transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.cal-cell.day:hover {
    transform: translateY(-1px);
    border-color: var(--line);
}

.cal-cell.has-game {
    background: linear-gradient(180deg, rgba(165, 107, 255, 0.18), rgba(0,0,0,0.22));
    border-color: rgba(165, 107, 255, 0.35);
}

.cal-cell.is-today {
    box-shadow: inset 0 0 0 2px var(--accent);
}

.day-num {
    font-weight: 800;
    font-size: 0.95rem;
}

.day-game {
    font-size: 0.72rem;
    line-height: 1.25;
    color: #d7c2ff;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cal-note {
    margin: 0.9rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.day-panel[hidden] { display: none !important; }

.day-panel {
    position: fixed;
    inset: 0;
    z-index: 40;
}

.day-panel-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 8, 16, 0.72);
}

.day-panel-card {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: min(440px, 100%);
    padding: 1.35rem 1.25rem 1.5rem;
    overflow-y: auto;
    border-radius: 0;
    border-left: 1px solid var(--line);
}

.panel-close {
    position: absolute;
    top: 0.7rem;
    right: 0.8rem;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    color: var(--text);
    font-size: 1.4rem;
}

.panel-date {
    margin: 0.2rem 0;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

.panel-summary { color: var(--muted); line-height: 1.5; }

.panel-breakdown {
    margin: 1rem 0;
    color: var(--muted);
    line-height: 1.55;
}

.panel-breakdown p { margin: 0 0 0.75rem; }

.panel-note {
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    background: rgba(255, 204, 51, 0.1);
    border: 1px solid rgba(255, 204, 51, 0.28);
    color: var(--accent);
}

.panel-status {
    margin: 1rem 0;
    font-weight: 800;
}

.panel-status.available { color: var(--accent-2); }
.panel-status.unavailable { color: #ffb4bb; }

.panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 1.1rem;
    border-radius: 12px;
    font-weight: 700;
}

.btn.play {
    background: var(--accent);
    color: #111;
}

.btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line);
}

.btn.danger {
    background: var(--danger);
    color: #fff;
}

.stack-form {
    display: grid;
    gap: 0.65rem;
    margin-top: 0.75rem;
}

.stack-form input,
.stack-form select,
.stack-form textarea {
    width: 100%;
    padding: 0.8rem 0.95rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--bg-2);
    color: var(--text);
    font: inherit;
}

.stack-form textarea { resize: vertical; }

.check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-schedule-grid {
    display: grid;
    gap: 1rem;
}

.schedule-form {
    border-top: 1px solid var(--line);
    padding-top: 1rem;
}

.game-list { margin-top: 1.5rem; }

.game-row {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
}

.row-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.flash {
    padding: 0.8rem 1rem;
    border-radius: 12px;
    background: rgba(56, 211, 159, 0.12);
    border: 1px solid rgba(56, 211, 159, 0.35);
    color: #b7ffe4;
    font-weight: 700;
}

.error { color: #ffb4bb; }

@media (max-width: 720px) {
    .hub { width: calc(100% - 1rem); padding-top: 0.85rem; }

    .hub-top { align-items: stretch; }

    .hub-actions { width: 100%; }
    .hub-actions .pill { flex: 1; }

    .cal-weekdays span { font-size: 0.7rem; }

    .cal-cell,
    .cal-cell.empty {
        min-height: 64px;
        padding: 0.35rem;
    }

    .day-game {
        font-size: 0.62rem;
        -webkit-line-clamp: 2;
    }

    .day-panel-card {
        width: 100%;
        height: auto;
        max-height: 92vh;
        top: auto;
        bottom: 0;
        border-radius: 16px 16px 0 0;
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .stack-form input,
    .stack-form select,
    .stack-form textarea {
        font-size: 16px;
    }
}