:root {
  --bg: #10151b;
  --panel: #1a222c;
  --border: #2c3947;
  --text: #e8edf2;
  --muted: #8b9bab;
  --accent: #f0a500;
  --danger: #e5484d;
  --ok: #46a758;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { padding: 20px clamp(12px, 4vw, 48px); max-width: 1100px; margin: 0 auto; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 1.4rem; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 10px clamp(12px, 4vw, 48px);
}
.brand { font-weight: 300; letter-spacing: .5px; }
.brand b { color: var(--accent); }
.spacer { flex: 1; }

.btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 14px; font: inherit; cursor: pointer; display: inline-block;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #14181c; font-weight: 600; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 3px 10px; font-size: .85rem; }
.btn.wide { width: 100%; }
.inline { display: inline; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 10px; overflow: hidden; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; }
.actions { text-align: right; white-space: nowrap; }
.muted { color: var(--muted); font-size: .85rem; }
.empty { color: var(--muted); font-style: italic; }

.badge { border-radius: 999px; padding: 1px 10px; font-size: .8rem; }
.badge.pendiente { background: #3b3216; color: var(--accent); }
.badge.confirmada { background: #16301e; color: var(--ok); }
.badge.cancelada { background: #38191b; color: var(--danger); }

.filters { display: flex; gap: 14px; align-items: end; margin-bottom: 18px; flex-wrap: wrap; }
label { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--muted); }
input, select, textarea {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); }
.check { flex-direction: row; align-items: center; }

.stack { display: flex; flex-direction: column; gap: 14px; max-width: 460px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: end; }
.error { color: var(--danger); background: #38191b; padding: 6px 12px; border-radius: 8px; }

body.centered { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 32px; width: min(360px, 90vw); display: flex; flex-direction: column; gap: 16px;
}
.login-card h1 { margin: 0; font-weight: 300; text-align: center; }
.login-card h1 b { color: var(--accent); }
.login-card form { display: flex; flex-direction: column; gap: 14px; }