:root {
    --accent: #c2410c;
    --accent-dark: #9a3412;
    --ink: #1c1917;
    --muted: #78716c;
    --line: #e7e5e4;
    --bg: #fafaf9;
    --card: #ffffff;
    --ok: #15803d;
    --warn: #b45309;
    --bad: #b91c1c;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
}

header.site {
    background: var(--card);
    border-bottom: 1px solid var(--line);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}
header.site .logo { font-weight: 800; font-size: 1.2rem; color: var(--accent); text-decoration: none; }
header.site nav { margin-left: auto; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
header.site nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
header.site nav a.btn { color: #fff; }

main { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }

.hero { text-align: center; padding: 32px 0 8px; }
.hero h1 { font-size: 1.8rem; margin: 0 0 4px; }
.hero p { color: var(--muted); margin: 0; }

.btn {
    display: inline-block; background: var(--accent); color: #fff; border: none;
    padding: 10px 20px; border-radius: 8px; font-weight: 700; font-size: 0.95rem;
    cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.small { padding: 5px 12px; font-size: 0.85rem; }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.btn:disabled { opacity: 0.5; cursor: default; }

.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 18px; margin: 14px 0;
}
.card h3 { margin: 0 0 4px; }
.card .meta { color: var(--muted); font-size: 0.9rem; }
a.card-link { text-decoration: none; color: inherit; display: block; }
a.card-link:hover .card { border-color: var(--accent); }

.pill {
    display: inline-block; padding: 2px 10px; border-radius: 999px;
    font-size: 0.8rem; font-weight: 700; background: #fff7ed; color: var(--accent);
    border: 1px solid #fed7aa;
}
.pill.ok { background: #f0fdf4; color: var(--ok); border-color: #bbf7d0; }
.pill.warn { background: #fffbeb; color: var(--warn); border-color: #fde68a; }
.pill.bad { background: #fef2f2; color: var(--bad); border-color: #fecaca; }

form label { display: block; font-weight: 600; margin: 14px 0 4px; }
form .hint { color: var(--muted); font-size: 0.85rem; margin: 2px 0 0; }
input, select, textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
    font-size: 1rem; font-family: inherit; background: #fff;
}
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }

.msg { padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 0.95rem; }
.msg.ok { background: #f0fdf4; color: var(--ok); }
.msg.err { background: #fef2f2; color: var(--bad); }

.avatar {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%; background: #fed7aa; color: var(--accent-dark);
    font-weight: 700; font-size: 0.9rem;
}

ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 10px 0; border-bottom: 1px solid var(--line); }
ul.plain li:last-child { border-bottom: none; }

.seatbar { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; margin: 8px 0; }
.seatbar > div { height: 100%; background: var(--accent); }

.modal-back {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 10;
}
.modal { background: #fff; border-radius: 12px; padding: 20px; max-width: 440px; width: 100%; max-height: 90vh; overflow-y: auto; }
.hidden { display: none !important; }

table.admin { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.admin th, table.admin td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); }