:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #e2e8f0;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-soft: #eff4ff;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --success: #15803d;
  --success-soft: #ecfdf3;
  --warning: #b45309;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 8px 24px rgba(15, 23, 42, .06);
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}
.container.narrow { max-width: 620px; }
.container.wide { max-width: 1180px; }

header.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
header.app-header .inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { font-weight: 700; font-size: 1.1rem; }
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; }
.header-actions { display: flex; align-items: center; gap: 12px; }

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
.lead { color: var(--muted); margin-top: 0; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.step-title { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: .85rem; font-weight: 700;
}

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 4px; }
.field { margin-bottom: 14px; }
.hint { color: var(--muted); font-size: .82rem; font-weight: 400; }

input[type=text], input[type=tel], input[type=email], input[type=password],
input[type=date], input[type=number], input[type=time], select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}
textarea { min-height: 72px; resize: vertical; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > * { flex: 1 1 180px; }

button, .btn {
  font: inherit;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}
button:hover, .btn:hover { background: var(--primary-dark); }
button:disabled { opacity: .55; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f8fafc; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 5px 10px; font-size: .82rem; }
.btn-link { background: none; color: var(--primary); border: none; padding: 4px; }
.btn-link:hover { background: none; text-decoration: underline; }

.slots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.slot-btn {
  background: #fff; color: var(--text); border: 1px solid var(--border);
  padding: 8px 4px; text-align: center; border-radius: 8px;
}
.slot-btn .rem { display: block; font-size: .72rem; color: var(--muted); font-weight: 400; }
.slot-btn:hover:not(:disabled) { border-color: var(--primary); background: var(--primary-soft); }
.slot-btn.selected { background: var(--primary); color: #fff; border-color: var(--primary); }
.slot-btn.selected .rem { color: #dbeafe; }
.slot-btn:disabled { opacity: .4; }

.day-block { margin-bottom: 18px; }
.day-block h3 { margin: 0 0 8px; font-size: .95rem; text-transform: capitalize; }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: .92rem; }
.alert-error { background: var(--danger-soft); color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: var(--success-soft); color: var(--success); border: 1px solid #bbf7d0; }
.alert-info { background: var(--primary-soft); color: var(--primary-dark); border: 1px solid #bfdbfe; }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .76rem; font-weight: 600;
}
.badge.pendiente { background: #fef9c3; color: #854d0e; }
.badge.confirmada { background: #dbeafe; color: #1e40af; }
.badge.retirada { background: var(--success-soft); color: var(--success); }
.badge.cancelada { background: #f3f4f6; color: #6b7280; }
.badge.no_show { background: var(--danger-soft); color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tbody tr:hover { background: #f8fafc; }
.table-wrap { overflow-x: auto; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.toolbar .field { margin-bottom: 0; }
.toolbar label { font-size: .78rem; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab { background: none; color: var(--muted); border: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 10px 14px; }
.tab:hover { background: none; color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.stat .n { font-size: 1.6rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: .82rem; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15, 23, 42, .45);
  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px;
  z-index: 50; overflow-y: auto;
}
.modal {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  width: 100%; max-width: 560px; padding: 24px;
}
.modal h2 { display: flex; justify-content: space-between; align-items: center; }
.modal .close { background: none; color: var(--muted); border: none; font-size: 1.4rem; padding: 0 6px; }
.modal .close:hover { background: none; color: var(--text); }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

.hidden { display: none !important; }
.text-muted { color: var(--muted); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.nowrap { white-space: nowrap; }
.confirm-code {
  font-size: 1.8rem; font-weight: 700; letter-spacing: .12em;
  background: var(--primary-soft); color: var(--primary-dark);
  padding: 10px 18px; border-radius: 10px; display: inline-block;
}
.spinner { color: var(--muted); font-size: .9rem; padding: 12px 0; }

@media (max-width: 640px) {
  .toolbar { flex-direction: column; align-items: stretch; }
  header.app-header .inner { flex-direction: column; align-items: flex-start; }
}

@media print {
  header.app-header, .tabs, .toolbar, #rutaCupos, .modal-backdrop,
  #tab-solicitudes, #tab-reportes, #tab-config { display: none !important; }
  .card { box-shadow: none; border: 1px solid #999; page-break-inside: avoid; }
  body { background: #fff; }
  a { color: #000; text-decoration: none; }
}