/* Light, airy, modern UI */
:root {
  --bg: #fafbfc;
  --panel: #ffffff;
  --panel-2: #f8f9fb;
  --text: #1a1d29;
  --muted: #64748b;
  --accent: #4f46e5;
  --accent-2: #06b6d4;
  --danger: #dc2626;
  --ok: #059669;
  --warning: #d97706;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.05), 0 4px 24px rgba(0,0,0,0.04);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
a { color: inherit; text-decoration: none; }
.btn { background: var(--panel); color: var(--text); border: 1px solid var(--border); padding: 12px 18px; border-radius: 10px; cursor: pointer; font-weight: 500; transition: all 0.2s ease; box-shadow: var(--shadow); }
.btn:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(0,0,0,0.08); transform: translateY(-1px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; font-weight: 600; border: none; }
.btn.primary:hover { box-shadow: 0 4px 16px rgba(79, 70, 229, 0.2); }
.btn.danger { background: #fef2f2; color: var(--danger); border-color: #fecaca; }
.btn.danger:hover { background: #fee2e2; border-color: var(--danger); }
.icon-btn { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 8px 12px; cursor: pointer; transition: all 0.2s ease; }
.icon-btn:hover { background: var(--panel-2); border-color: var(--accent); }

.badge { margin-left: 10px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--panel-2); font-size: 13px; font-weight: 500; }
.badge.connected { color: white; background: linear-gradient(135deg, var(--ok), #10b981); border: 0; box-shadow: var(--shadow); }

.app-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.95); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; font-weight: 900; box-shadow: var(--shadow); }
.brand-title { font-weight: 700; letter-spacing: -0.01em; color: var(--text); }
.brand-sub { color: var(--muted); font-size: 13px; font-weight: 500; }

.actions { display: flex; align-items: center; gap: 12px; }
.role-switch { display: flex; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; background: var(--panel); box-shadow: var(--shadow); }
.role-switch label { font-size: 14px; font-weight: 500; color: var(--text); }
.role-switch select { background: transparent; color: var(--text); border: 0; outline: none; font-weight: 500; }

.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 74px); }
.sidebar { border-right: 1px solid var(--border); padding: 24px 16px; position: sticky; top: 74px; height: calc(100vh - 74px); overflow-y: auto; background: var(--panel); }
.nav-section { color: var(--muted); font-size: 11px; margin: 20px 12px 8px; text-transform: uppercase; letter-spacing: 1.2px; font-weight: 600; }
.nav-link { display: block; padding: 12px 16px; border-radius: 12px; margin: 2px 0; border: 1px solid transparent; font-weight: 500; transition: all 0.2s ease; }
.nav-link:hover { background: var(--panel-2); border-color: var(--border); transform: translateX(2px); }
.nav-link.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; box-shadow: var(--shadow); }
.main { padding: 32px; }

.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 24px 0 32px; }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); transition: all 0.2s ease; }
.kpi:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); transform: translateY(-1px); }
.kpi-label { color: var(--muted); font-size: 13px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.kpi-value { font-weight: 700; font-size: 28px; margin-top: 8px; color: var(--text); }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); margin: 20px 0; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); background: var(--panel-2); border-radius: 16px 16px 0 0; }
.panel > .table, .panel > .log { padding: 16px 20px; }

.table { width: 100%; overflow: auto; }
.table table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; padding: 12px 16px; border-bottom: 2px solid var(--border); color: var(--text); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 0.5px; background: var(--panel-2); }
.table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--text); }
.table tr:hover { background: var(--panel-2); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); display: grid; gap: 12px; transition: all 0.2s ease; }
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); }
.card .title { font-weight: 700; font-size: 18px; color: var(--text); }
.card .meta { color: var(--muted); font-size: 14px; font-weight: 500; }
.card .row { display: flex; gap: 12px; flex-wrap: wrap; }

.editor { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.editor-col { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.editor-col label { display: block; font-size: 13px; color: var(--muted); margin-top: 16px; margin-bottom: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.editor-col input, .editor-col select { width: 100%; background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 12px; font-size: 14px; transition: all 0.2s ease; }
.editor-col input:focus, .editor-col select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }

.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.seatmap { display: grid; grid-template-columns: repeat(15, 1fr); gap: 6px; padding: 16px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 16px; min-height: 240px; }
.seat { height: 28px; border-radius: 8px; border: 1px solid var(--border); display: grid; place-items: center; font-size: 11px; color: var(--muted); cursor: pointer; transition: all 0.2s ease; font-weight: 600; }
.seat.free { background: #f0f9ff; border-color: #bae6fd; color: #0369a1; }
.seat.free:hover { background: #e0f2fe; }
.seat.reserved { background: #fef3c7; border-color: #fcd34d; color: #92400e; }
.seat.sold { background: #fce7f3; border-color: #f9a8d4; color: #be185d; }
.seat.blocked { background: #fef2f2; border-color: #fecaca; color: #dc2626; }

.modal { position: fixed; inset: 0; display: grid; place-items: center; background: rgba(0,0,0,0.3); backdrop-filter: blur(4px); }
.modal.hidden { display: none; }
.modal-content { width: min(840px, 96vw); background: var(--panel); border: 1px solid var(--border); border-radius: 20px; box-shadow: 0 8px 40px rgba(0,0,0,0.12); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); background: var(--panel-2); border-radius: 20px 20px 0 0; }

.log { background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px; padding: 16px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; max-height: 300px; overflow: auto; white-space: pre-wrap; font-size: 13px; line-height: 1.5; }

/* Sales Pages Styling */
.sales-page { padding: 0; margin: 0; }
.sales-header { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; padding: 60px 32px; text-align: center; }
.sales-brand { max-width: 600px; margin: 0 auto; }
.sales-logo { width: 80px; height: 80px; background: rgba(255,255,255,0.2); border-radius: 20px; display: grid; place-items: center; font-size: 32px; font-weight: 900; margin: 0 auto 24px; }
.sales-header h1 { font-size: 48px; font-weight: 800; margin: 0 0 16px; }
.sales-header p { font-size: 20px; opacity: 0.9; margin: 0; font-weight: 500; }

.events-showcase { padding: 60px 32px; max-width: 1200px; margin: 0 auto; }
.event-showcase-card { background: var(--panel); border: 1px solid var(--border); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); margin-bottom: 32px; transition: all 0.3s ease; }
.event-showcase-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); transform: translateY(-4px); }
.event-showcase-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; }
.event-showcase-info h2 { font-size: 32px; font-weight: 700; margin: 0 0 8px; color: var(--text); }
.event-showcase-info .venue { font-size: 18px; color: var(--muted); margin: 0 0 4px; font-weight: 500; }
.event-showcase-info .date { font-size: 16px; color: var(--accent); font-weight: 600; }
.event-showcase-action .btn { font-size: 18px; padding: 16px 32px; }

.sales-footer { background: var(--panel-2); text-align: center; padding: 40px; color: var(--muted); }

/* Event Details Page */
.event-details-page { padding: 0; }
.event-hero { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; padding: 60px 32px; }
.event-hero-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.event-hero-info h1 { font-size: 48px; font-weight: 800; margin: 0 0 16px; }
.event-hero-info .venue { font-size: 24px; margin: 0 0 8px; opacity: 0.9; font-weight: 500; }
.event-hero-info .date { font-size: 20px; margin: 0 0 16px; opacity: 0.8; }
.event-hero-info .description { font-size: 18px; line-height: 1.6; opacity: 0.9; }
.event-hero-badge { background: rgba(255,255,255,0.2); padding: 12px 20px; border-radius: 999px; font-weight: 600; }

.purchase-section { display: grid; grid-template-columns: 1fr 400px; gap: 40px; padding: 60px 32px; max-width: 1200px; margin: 0 auto; }
.ticket-selection { display: grid; gap: 20px; }
.ticket-type { background: var(--panel); border: 2px solid var(--border); border-radius: 16px; padding: 24px; transition: all 0.2s ease; }
.ticket-type:hover { border-color: var(--accent); }
.ticket-type.selected { border-color: var(--accent); background: rgba(79, 70, 229, 0.05); }
.ticket-type-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.ticket-type-name { font-size: 20px; font-weight: 700; color: var(--text); }
.ticket-type-price { font-size: 24px; font-weight: 800; color: var(--accent); }
.ticket-type-description { color: var(--muted); margin-bottom: 16px; line-height: 1.5; }
.ticket-quantity { display: flex; align-items: center; gap: 16px; }
.quantity-control { display: flex; align-items: center; gap: 8px; }
.quantity-btn { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; cursor: pointer; font-weight: 600; transition: all 0.2s ease; }
.quantity-btn:hover { background: var(--accent); color: white; }
.quantity-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.quantity-display { font-size: 18px; font-weight: 700; min-width: 40px; text-align: center; }

.purchase-summary { position: sticky; top: 100px; }
.summary-card { background: var(--panel); border: 1px solid var(--border); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.summary-card h3 { font-size: 24px; font-weight: 700; margin: 0 0 24px; color: var(--text); }
.summary-item { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); }
.summary-item:last-child { border-bottom: none; font-weight: 700; font-size: 18px; padding-top: 16px; }
.summary-label { color: var(--muted); }
.summary-value { font-weight: 600; color: var(--text); }
.btn.large { padding: 16px 24px; font-size: 18px; font-weight: 700; width: 100%; margin-top: 24px; }

.event-info { padding: 0 32px 60px; max-width: 1200px; margin: 0 auto; }

/* Checkout Page */
.checkout-page { padding: 0; }
.checkout-header { background: var(--panel-2); padding: 40px 32px; border-bottom: 1px solid var(--border); }
.checkout-header h1 { font-size: 36px; font-weight: 700; margin: 0 0 24px; text-align: center; }
.checkout-progress { display: flex; justify-content: center; gap: 40px; max-width: 600px; margin: 0 auto; }
.progress-step { padding: 12px 24px; border-radius: 999px; font-weight: 600; color: var(--muted); background: var(--panel); border: 2px solid var(--border); }
.progress-step.active { background: var(--accent); color: white; border-color: var(--accent); }

.checkout-content { display: grid; grid-template-columns: 1fr 400px; gap: 40px; padding: 60px 32px; max-width: 1200px; margin: 0 auto; }
.checkout-main { display: grid; gap: 32px; }
.checkout-form { padding: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.form-group { display: grid; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input { padding: 16px; border: 2px solid var(--border); border-radius: 12px; font-size: 16px; transition: all 0.2s ease; background: var(--panel-2); }
.form-group input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }

.payment-methods { padding: 24px; }
.payment-method { display: flex; align-items: center; gap: 16px; padding: 16px; border: 2px solid var(--border); border-radius: 12px; cursor: pointer; transition: all 0.2s ease; }
.payment-method.active { border-color: var(--accent); background: rgba(79, 70, 229, 0.05); }
.method-icon { font-size: 24px; }
.payment-form { padding: 24px; }

.checkout-sidebar { position: sticky; top: 100px; }
.order-summary-final { background: var(--panel); border: 1px solid var(--border); border-radius: 20px; padding: 32px; box-shadow: var(--shadow); }
.order-summary-final h3 { font-size: 24px; font-weight: 700; margin: 0 0 24px; }

.checkout-actions { display: flex; justify-content: space-between; align-items: center; padding: 32px; max-width: 1200px; margin: 0 auto; border-top: 1px solid var(--border); background: var(--panel-2); }

/* Promo Code Section */
.promo-section { margin: 24px 0; padding: 20px; background: var(--panel-2); border-radius: 12px; }
.promo-input-group { display: flex; gap: 12px; }
.promo-input { flex: 1; padding: 12px; border: 1px solid var(--border); border-radius: 8px; }
.promo-applied { color: var(--ok); font-weight: 600; margin-top: 8px; }
.promo-error { color: var(--danger); font-weight: 600; margin-top: 8px; }

/* Seat Selection (for reserved seating events) */
.seat-selection-section { margin: 32px 0; }
.seat-selection-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.seat-legend { display: flex; gap: 24px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; }
.legend-color { width: 16px; height: 16px; border-radius: 4px; }
.legend-available { background: #f0f9ff; border: 1px solid #bae6fd; }
.legend-selected { background: rgba(79, 70, 229, 0.2); border: 1px solid var(--accent); }
.legend-unavailable { background: #fef2f2; border: 1px solid #fecaca; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--border); }
  .editor { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  
  .purchase-section { grid-template-columns: 1fr; }
  .checkout-content { grid-template-columns: 1fr; }
  .event-hero-content { grid-template-columns: 1fr; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .checkout-progress { flex-direction: column; gap: 16px; }
  .checkout-actions { flex-direction: column; gap: 16px; }
}