:root{--pc-bg: #f4f7fb;--pc-card: #ffffff;--pc-text: #172033;--pc-muted: #6b7280;--pc-primary: #246bfe;--pc-primary-soft: #eaf1ff;--pc-border: #e5e7eb;--pc-danger: #e5484d;--pc-warning: #f59e0b;--pc-success: #16a34a;--pc-dark: #111827}*{box-sizing:border-box}body{margin:0;font-family:Inter,PingFang SC,Microsoft YaHei,Arial,sans-serif;background:var(--pc-bg);color:var(--pc-text)}button,input,select{font:inherit}.pc-shell{min-height:100vh;display:flex}.pc-sidebar{width:246px;background:#111827;color:#fff;padding:18px 14px;position:sticky;top:0;height:100vh}.pc-brand{display:flex;align-items:center;gap:12px;padding:6px 8px 22px}.pc-brand strong{display:block;font-size:17px}.pc-brand span{display:block;font-size:12px;color:#aeb8c8;margin-top:4px}.pc-logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;background:linear-gradient(135deg,#246bfe,#7c3aed)}.pc-menu{display:grid;gap:6px}.pc-menu-item{width:100%;border:0;background:transparent;color:#d1d5db;display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;cursor:pointer;text-align:left}.pc-menu-item em{font-style:normal}.pc-menu-item:hover,.pc-menu-item.active{background:#ffffff1a;color:#fff}.pc-main{flex:1;min-width:0}.pc-header{height:86px;background:#fff;border-bottom:1px solid var(--pc-border);padding:18px 24px;display:flex;align-items:center;justify-content:space-between}.pc-header h1{margin:0;font-size:23px}.pc-header p{margin:6px 0 0;color:var(--pc-muted);font-size:13px}.pc-header-actions{display:flex;align-items:center;gap:10px}.pc-env{padding:7px 10px;border-radius:999px;background:var(--pc-primary-soft);color:var(--pc-primary);font-size:12px}.pc-content{padding:24px}.pc-grid{display:grid;gap:16px}.pc-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.pc-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.pc-grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.pc-stat-card,.pc-panel,.pc-filter,.pc-checkout-card{background:var(--pc-card);border:1px solid var(--pc-border);border-radius:16px;box-shadow:0 10px 30px #0f172a0a}.pc-stat-card{padding:16px;display:flex;gap:14px;align-items:center}.pc-stat-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:22px;background:var(--pc-primary-soft)}.pc-stat-body span{color:var(--pc-muted);font-size:13px;display:block}.pc-stat-body strong{display:block;font-size:24px;margin-top:4px}.pc-stat-body small{display:block;margin-top:4px}.pc-stat-body small.up{color:var(--pc-success)}.pc-stat-body small.down{color:var(--pc-danger)}.pc-panel{padding:18px;margin-top:16px}.pc-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}.pc-panel h2{margin:0;font-size:17px}.pc-panel p{margin:6px 0 0;color:var(--pc-muted);font-size:13px}.pc-filter{padding:14px;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}.pc-input{border:1px solid var(--pc-border);border-radius:10px;padding:9px 11px;background:#fff;min-width:160px}.pc-btn{border:0;border-radius:10px;padding:9px 13px;cursor:pointer}.pc-btn.primary{background:var(--pc-primary);color:#fff}.pc-btn.ghost{background:#f3f4f6;color:#374151}.pc-btn.danger{background:#fff1f2;color:var(--pc-danger)}.pc-table-wrap{overflow:auto;border:1px solid var(--pc-border);border-radius:14px}.pc-table{width:100%;border-collapse:collapse;background:#fff;min-width:860px}.pc-table th,.pc-table td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--pc-border);font-size:13px;white-space:nowrap}.pc-table th{background:#f9fafb;color:#4b5563;font-weight:600}.pc-actions{display:flex;gap:8px}.pc-link{border:0;background:transparent;color:var(--pc-primary);cursor:pointer;padding:0}.pc-status{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;font-size:12px;background:#f3f4f6;color:#4b5563}.pc-status.success{background:#dcfce7;color:#166534}.pc-status.warning{background:#fef3c7;color:#92400e}.pc-status.danger{background:#fee2e2;color:#991b1b}.pc-status.info{background:#dbeafe;color:#1d4ed8}.pc-trend{height:240px;display:flex;align-items:end;gap:12px;padding:14px;background:linear-gradient(180deg,#f8fbff,#fff);border:1px dashed #dbe3ef;border-radius:14px}.pc-trend-bar{flex:1;min-height:24px;border-radius:12px 12px 4px 4px;background:linear-gradient(180deg,#246bfe,#7aa4ff);position:relative}.pc-trend-bar span{position:absolute;top:-20px;left:50%;transform:translate(-50%);font-size:12px;color:var(--pc-muted)}.pc-card-list{display:grid;gap:12px}.pc-info-card{padding:14px;border:1px solid var(--pc-border);border-radius:14px;background:#fff}.pc-info-card strong{display:block;margin-bottom:6px}.pc-info-card p{margin:0}.pc-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#0f172a;color:#d1fae5;padding:14px;border-radius:12px;overflow:auto}.cashier-page{min-height:100vh;padding:24px;background:linear-gradient(180deg,#eaf1ff,#f8fafc)}.cashier-wrap{max-width:520px;margin:0 auto}.pc-login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#eaf1ff,#f8fafc);padding:24px}.pc-login-card{width:100%;max-width:380px;background:var(--pc-card);border:1px solid var(--pc-border);border-radius:16px;box-shadow:0 10px 30px #0f172a14;padding:28px}.pc-login-card .pc-form{flex-direction:column;align-items:stretch}.pc-login-card .pc-input{width:100%}.cashier-brand{text-align:center;padding:14px 0 18px}.cashier-brand .pc-logo{margin:0 auto 10px;color:#fff}.cashier-brand .pc-logo-img{width:38px;height:38px;border-radius:12px;margin:0 auto 10px;object-fit:cover;display:block}.cashier-brand h1{margin:0;font-size:20px}.cashier-brand p{color:var(--pc-muted);margin:6px 0 0}.pc-checkout-card{padding:18px;margin-bottom:14px}.amount{font-size:36px;font-weight:800;color:var(--pc-primary)}.countdown{display:inline-flex;padding:7px 10px;border-radius:999px;background:#fff7ed;color:#c2410c}.pay-methods{display:grid;gap:10px}.pay-method{border:1px solid var(--pc-border);border-radius:14px;padding:14px;background:#fff;display:flex;align-items:center;gap:12px;cursor:pointer}.pay-method.active{border-color:var(--pc-primary);background:var(--pc-primary-soft)}.pay-method.disabled{opacity:.55;cursor:not-allowed}.pay-method-icon{font-size:18px}.copy-row{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px dashed var(--pc-border)}.copy-row b{text-align:right}.qr-box{width:210px;height:210px;border-radius:18px;margin:16px auto;background:repeating-linear-gradient(45deg,#111827 0 8px,#fff 8px 16px);display:grid;place-items:center;color:#fff;font-weight:800}.qr-canvas{display:block;margin:16px auto;border-radius:18px;border:1px solid var(--pc-border);padding:10px;background:#fff}.cashier-order-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.cashier-order-no{display:inline-flex;align-items:center;gap:8px;font-weight:600}.cashier-status-row{display:flex;align-items:center;gap:10px;margin-top:10px}.cashier-warning{font-size:12px;color:var(--pc-muted);text-align:center;line-height:1.6;padding:0 8px}.cashier-success{text-align:center;padding:40px 18px}.cashier-success-icon{width:64px;height:64px;line-height:64px;border-radius:50%;background:#dcfce7;color:var(--pc-success);font-size:32px;margin:0 auto 16px}.cashier-success h2{margin:0 0 6px}@media(max-width:980px){.pc-sidebar{width:84px}.pc-brand div:not(.pc-logo),.pc-menu-item em{display:none}.pc-grid.cols-4,.pc-grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.pc-shell{display:block}.pc-sidebar{position:static;width:100%;height:auto}.pc-menu{grid-template-columns:repeat(3,minmax(0,1fr))}.pc-menu-item em{display:inline}.pc-header{height:auto;align-items:flex-start;flex-direction:column}.pc-grid.cols-4,.pc-grid.cols-3,.pc-grid.cols-2{grid-template-columns:1fr}.pc-content{padding:14px}}.pc-api-box{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pc-api-input{min-width:250px;border:1px solid var(--pc-border);border-radius:10px;padding:8px 10px;background:#fff}.pc-api-status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--pc-muted)}.pc-dot{width:8px;height:8px;border-radius:50%;background:#9ca3af;display:inline-block}.pc-dot.ok{background:var(--pc-success)}.pc-dot.error{background:var(--pc-danger)}.pc-dot.loading{background:var(--pc-warning);animation:pcPulse 1s infinite}@keyframes pcPulse{0%,to{opacity:.35}50%{opacity:1}}.pc-form{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px;border:1px dashed var(--pc-border);border-radius:14px;background:#fbfdff;margin-bottom:14px}.pc-form-title{width:100%;font-weight:700;color:#374151}.pc-error{padding:10px 12px;border-radius:12px;color:#991b1b;background:#fee2e2;margin-bottom:12px}.pc-success-tip{padding:10px 12px;border-radius:12px;color:#166534;background:#dcfce7;margin-bottom:12px}.pc-muted{color:var(--pc-muted)}.pc-kv{display:grid;gap:10px}.pc-kv-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed var(--pc-border)}.pc-kv-row span{color:var(--pc-muted)}.pc-kv-row b{text-align:right}.pc-json{max-height:260px;overflow:auto}.pc-loading{padding:18px;text-align:center;color:var(--pc-muted)}.pc-small{font-size:12px;color:var(--pc-muted)}.pc-actions-block{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.pc-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.pc-tab{border:1px solid var(--pc-border);background:#fff;color:#374151;border-radius:999px;padding:8px 12px;cursor:pointer}.pc-tab.active{border-color:var(--pc-primary);color:var(--pc-primary);background:var(--pc-primary-soft)}