/* Birrete · graduación en azul noche y dorado */
:root {
    --bg: #0f1d33; --bg-2: #13243f; --surface: #182c4b; --ink: #f3efe6; --muted: #b6bccb;
    --accent: #d4af5a; --accent-2: #ecd9a6; --on-accent: #0f1d33; --line: rgba(212, 175, 90, .22);
    --font-display: 'Playfair Display', Georgia, serif; --font-body: 'Montserrat', sans-serif;
    --names-style: italic; --radius: 8px; --btn-radius: 6px; --tile-bg: #142640;
    --hero-bg: radial-gradient(circle at 50% 30%, rgba(212, 175, 90, .18), transparent 50%), repeating-linear-gradient(135deg, rgba(255, 255, 255, .025) 0 2px, transparent 2px 14px), #0f1d33;
    --curtain: #0b1526; --curtain-ink: #d4af5a; --closing-bg: #d4af5a; --closing-ink: #0f1d33;
}
.theme-birrete .poster-date { color: var(--accent); }
.theme-birrete .poster { outline: 1px solid var(--line); outline-offset: -1.2rem; }
.theme-birrete .ticket { background: linear-gradient(135deg, #1d3457, #13243f); color: var(--ink); border: 1px solid var(--line); }
.theme-birrete .seg-choice input:checked + span { background: var(--accent); color: #0f1d33; }