:root{--color-bg: #f7f8fa;--color-surface: #ffffff;--color-surface-muted: #f1f3f5;--color-border: #dfe3e8;--color-border-strong: #c8ced6;--color-text: #111827;--color-text-muted: #6b7280;--color-text-subtle: #9ca3af;--color-brand: #2563eb;--color-brand-hover: #1d4ed8;--color-brand-soft: #eff6ff;--color-success: #16a34a;--color-success-soft: #ecfdf3;--color-warning: #d97706;--color-warning-soft: #fff7ed;--color-danger: #dc2626;--color-danger-soft: #fef2f2;--color-neutral: #64748b;--color-neutral-soft: #f1f5f9;color:var(--color-text);background:var(--color-bg);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--color-border);display:flex;flex-direction:column;gap:24px;padding:20px}.brand{align-items:center;display:flex;gap:12px}.brand-logo{background:#f7f8fa;border:1px solid var(--color-border);border-radius:9px;height:38px;object-fit:contain;padding:5px;width:38px}.brand strong,.brand span{display:block}.brand span{color:var(--color-text-muted);font-size:12px;margin-top:2px}.nav{display:grid;gap:6px}.nav-item{background:transparent;border:0;border-radius:6px;color:var(--color-text-muted);display:block;padding:9px 10px;text-align:left;text-decoration:none}.nav-item.active,.nav-item:hover{background:var(--color-surface-muted);color:var(--color-text)}.api-chip{border:1px solid var(--color-border);border-radius:6px;color:var(--color-text-muted);font-size:12px;margin-top:auto;overflow:hidden;padding:8px 10px;text-overflow:ellipsis;white-space:nowrap}.main{padding:24px}.topbar{align-items:center;display:flex;justify-content:space-between;margin-bottom:20px;gap:16px}.topbar-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.eyebrow{color:var(--color-text-muted);font-size:12px;font-weight:650;letter-spacing:0;margin:0 0 4px;text-transform:uppercase}h1,h2{letter-spacing:0;margin:0}h1{font-size:28px;line-height:1.2}h2{font-size:16px;line-height:1.2}.stack{display:grid;gap:16px}.grid{display:grid;gap:12px}.stats{grid-template-columns:repeat(6,minmax(130px,1fr))}.stat{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:16px}.stat span{color:var(--color-text-muted);display:block;font-size:12px;margin-bottom:8px}.stat strong{display:block;font-size:24px;font-variant-numeric:tabular-nums;line-height:1}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:16px}.split{display:grid;gap:16px;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr)}.concert-layout{display:grid;gap:16px;grid-template-columns:minmax(420px,.9fr) minmax(420px,1.1fr)}.section-title{align-items:center;display:flex;justify-content:space-between;margin-bottom:12px}.section-title.nested{margin-top:18px}.toolbar{display:flex;justify-content:flex-start}.buyer-banner{align-items:center;background:#101114;border:1px solid #242832;border-radius:10px;color:#fff;display:flex;gap:16px;justify-content:space-between;padding:18px 20px}.buyer-banner span{color:#9aa3b2;display:block;font-size:12px;font-weight:750;margin-bottom:4px;text-transform:uppercase}.buyer-banner strong{display:block;font-size:17px;letter-spacing:0}.buyer-banner a{background:#fff;border-radius:999px;color:#101114;flex-shrink:0;font-size:13px;font-weight:750;padding:10px 14px;text-decoration:none}.input{background:#fff;border:1px solid var(--color-border);border-radius:6px;color:var(--color-text);height:36px;min-width:0;padding:0 10px}.input:focus{border-color:var(--color-brand);box-shadow:0 0 0 3px var(--color-brand-soft);outline:none}.button{align-items:center;border:1px solid transparent;border-radius:6px;display:inline-flex;font-size:14px;font-weight:650;height:36px;justify-content:center;padding:0 14px;text-decoration:none}.button.primary{background:var(--color-brand);color:#fff}.button.primary:hover{background:var(--color-brand-hover)}.button.secondary{background:#fff;border-color:var(--color-border);color:var(--color-text)}.button.small{background:var(--color-brand);color:#fff;font-size:12px;height:30px;padding:0 10px}.button.secondary-small{background:#fff;border-color:var(--color-border);color:var(--color-text)}.button:disabled{background:var(--color-surface-muted);color:var(--color-text-subtle);cursor:not-allowed}.link-button{background:transparent;border:0;color:var(--color-brand);font-size:13px;font-weight:650;padding:0}.table-wrap{overflow-x:auto}table{border-collapse:collapse;font-size:13px;width:100%}th{border-bottom:1px solid var(--color-border);color:var(--color-text-muted);font-size:12px;font-weight:650;padding:9px 8px;text-align:left;white-space:nowrap}td{border-bottom:1px solid var(--color-border);padding:11px 8px;vertical-align:middle}tbody tr:hover,.selected-row{background:var(--color-surface-muted)}td strong,td span{display:block}td span{color:var(--color-text-muted);font-size:12px;margin-top:3px}.num{font-variant-numeric:tabular-nums;text-align:right}.actions{text-align:right;white-space:nowrap}.badge{border-radius:999px;display:inline-flex;font-size:11px;font-weight:750;padding:4px 8px}.badge.pending{background:var(--color-warning-soft);color:#92400e}.badge.completed{background:var(--color-success-soft);color:#166534}.badge.expired{background:var(--color-neutral-soft);color:#475569}.detail-header{align-items:flex-start;display:flex;gap:16px;justify-content:space-between;margin-bottom:16px}.detail-header p{color:var(--color-text-muted);font-size:13px;margin:5px 0 0}.detail-header strong{background:var(--color-brand-soft);border-radius:6px;color:var(--color-brand);font-variant-numeric:tabular-nums;padding:8px 10px;white-space:nowrap}.inventory-grid{display:grid;gap:10px;grid-template-columns:repeat(4,minmax(110px,1fr));margin-bottom:16px}.admin-note{background:#101114;border:1px solid #242832;border-radius:8px;color:#fff;display:grid;gap:4px;margin-bottom:16px;padding:13px 14px}.admin-note strong{font-size:13px}.admin-note span{color:#a4adbb;font-size:12px;line-height:1.5}.reserve-panel{align-items:end;background:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:8px;display:grid;gap:10px;grid-template-columns:1fr 110px auto;padding:12px}.reserve-panel label{color:var(--color-text-muted);display:grid;font-size:12px;font-weight:650;gap:6px}.hold{align-items:center;background:var(--color-warning-soft);border:1px solid #fed7aa;border-radius:8px;display:grid;gap:12px;grid-template-columns:1fr auto auto auto;margin-top:12px;padding:12px}.hold span{color:#92400e;display:block;font-size:12px;margin-bottom:3px}.hold strong{font-size:13px}.countdown{color:#92400e;font-variant-numeric:tabular-nums;font-weight:750}.countdown.expired{color:var(--color-neutral)}.payment-chip{color:var(--color-brand);display:block;font-size:11px;font-weight:750;margin-top:5px}.row-actions{display:inline-flex;gap:6px;justify-content:flex-end}.mini-list{display:grid;gap:6px}.mini-row{align-items:center;background:transparent;border:1px solid var(--color-border);border-radius:6px;display:flex;justify-content:space-between;padding:10px;text-align:left}.mini-row strong{font-variant-numeric:tabular-nums}.notice{border-radius:8px;font-size:13px;margin-bottom:16px;padding:11px 12px}.notice.success{background:var(--color-success-soft);color:#166534}.notice.danger{background:var(--color-danger-soft);color:#991b1b}.empty,.muted{color:var(--color-text-muted);font-size:13px}.skeleton{height:86px;overflow:hidden;position:relative}.skeleton:after{animation:shimmer 1.1s infinite;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent);content:"";top:0;right:0;bottom:0;left:0;position:absolute;transform:translate(-100%)}@keyframes shimmer{to{transform:translate(100%)}}@media(max-width:1100px){.stats,.inventory-grid{grid-template-columns:repeat(3,minmax(130px,1fr))}.split,.concert-layout{grid-template-columns:1fr}}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{border-bottom:1px solid var(--color-border);border-right:0}.nav{grid-template-columns:repeat(3,1fr)}.topbar{align-items:flex-start;flex-direction:column}.stats,.inventory-grid,.reserve-panel,.hold{grid-template-columns:1fr}.main{padding:16px}}