:root{--bg: #f5f6f8;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--primary: #1565c0;--primary-dark: #0d47a1;--border: #e5e7eb;--sidebar: #0f2744;--error: #b91c1c;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}.desktop-only{display:none}.mobile-only{display:block}.app-shell{min-height:100vh}.content-col{min-height:100vh;display:flex;flex-direction:column}.main{flex:1;padding:16px;padding-bottom:calc(72px + var(--safe-bottom))}.sidebar{width:220px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;padding:24px 16px}.brand{font-weight:700;font-size:18px;margin-bottom:24px}.sidebar nav{display:flex;flex-direction:column;gap:8px;flex:1}.sidebar nav a{color:#cbd5e1;padding:10px 12px;border-radius:8px;text-decoration:none}.sidebar nav a.active,.sidebar nav a:hover{background:#ffffff1a;color:#fff}.sidebar-footer{border-top:1px solid rgba(255,255,255,.12);padding-top:16px;font-size:14px}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;padding:0}.sidebar .link-btn{color:#cbd5e1}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand-inline{font-weight:700;color:var(--primary)}.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:flex;background:var(--card);border-top:1px solid var(--border);padding-bottom:var(--safe-bottom);z-index:20}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;font-size:11px;color:var(--muted);text-decoration:none}.bottom-nav-item.active{color:var(--primary);font-weight:600}.nav-icon{font-size:16px;line-height:1}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:400px;background:var(--card);border-radius:12px;padding:28px;box-shadow:0 8px 24px #0000000f}.login-card h1{margin:0 0 8px;font-size:22px}.login-card form{display:flex;flex-direction:column;gap:14px;margin-top:20px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:14px}.login-card input{padding:10px 12px;border:1px solid var(--border);border-radius:8px}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:12px 16px;cursor:pointer;font-weight:600}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-sm{padding:8px 12px;font-size:14px;margin-top:8px}.btn-secondary{background:#fff;color:var(--primary);border:1px solid var(--primary);border-radius:8px;padding:8px 12px;cursor:pointer;font-weight:600;font-size:14px}.action-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.page h2{margin:0 0 16px}.muted{color:var(--muted);font-size:14px}.error{color:var(--error);font-size:14px}.hint{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.5}.hint code{font-size:12px;background:#f3f4f6;padding:2px 4px;border-radius:4px}.card-list{display:grid;gap:12px}.card{background:var(--card);border-radius:10px;padding:14px;border:1px solid var(--border)}.card-title{font-weight:600;margin-bottom:4px}.page-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.page-header h2{margin:0}.header-actions{display:flex;flex-wrap:wrap;gap:8px}.page-narrow{max-width:640px}.back-link{display:inline-block;margin-bottom:12px;color:var(--primary);text-decoration:none}.card-link{display:block;text-decoration:none;color:inherit}.card-link-inline{text-decoration:none;color:inherit}.footer-link{display:block;color:#cbd5e1;font-size:13px;margin:8px 0;text-decoration:none}.form-stack{display:flex;flex-direction:column;gap:12px}.form-stack label{display:flex;flex-direction:column;gap:6px;font-size:14px}.form-stack input,.form-stack select,.form-stack textarea{padding:10px 12px;border:1px solid var(--border);border-radius:8px}.field-row{display:flex;gap:12px;flex-wrap:wrap}.flex-1{flex:1;min-width:120px}.checkbox-row{flex-direction:row!important;align-items:flex-start;gap:8px!important}.tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.tab{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 16px;cursor:pointer;color:var(--muted)}.tab.active{background:#dbeafe;border-color:var(--primary);color:var(--primary);font-weight:600}.banner-warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:14px}.banner-warn a{color:var(--primary);font-weight:600}.login-card a{color:var(--primary)}.amount{font-size:18px;font-weight:700;color:var(--primary);margin:8px 0}.tag{display:inline-block;font-size:12px;background:#dbeafe;color:var(--primary);padding:2px 8px;border-radius:999px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}.stat-card{background:var(--card);border-radius:10px;padding:16px;border:1px solid var(--border)}.stat-label{font-size:13px;color:var(--muted)}.stat-value{font-size:20px;font-weight:700;margin-top:6px}.product-thumb{width:100%;height:140px;object-fit:cover;border-radius:8px;margin-bottom:10px;background:#f3f4f6}.product-preview{width:100%;max-height:240px;object-fit:contain;border-radius:8px;background:#f3f4f6;border:1px solid var(--border)}.import-panel{margin-bottom:16px}.import-panel code{font-size:13px;background:#f3f4f6;padding:1px 4px;border-radius:4px}.import-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.hidden-file{display:none}.import-summary{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:12px;font-size:14px}.ok-text{color:#15803d}.warn-text{color:#b45309}.import-table-wrap{overflow:auto;border:1px solid var(--border);border-radius:10px;background:var(--card);margin-bottom:16px}.import-table{width:100%;border-collapse:collapse;font-size:14px;min-width:720px}.import-table th,.import-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.import-table th{background:#f9fafb;font-weight:600;white-space:nowrap}.import-table tr.row-invalid td{background:#fef2f2}.import-footer{margin-bottom:24px}.error-block{white-space:pre-wrap;background:#fef2f2;color:var(--error);padding:12px;border-radius:8px;font-size:13px;margin-bottom:12px}@media(min-width:768px){.desktop-only{display:flex}.mobile-only,.native-app .desktop-only{display:none!important}.native-app .mobile-only{display:block!important}.native-app .bottom-nav{display:flex!important}.app-shell{display:flex}.content-col{flex:1}.main{padding:24px 32px;max-width:1200px}.card-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media(max-width:480px){.stat-grid{grid-template-columns:1fr}}