:root{color-scheme:light;--bg: #f4f6fb;--surface: #ffffff;--surface-muted: #f8fafc;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--primary: #4f46e5;--primary-hover: #4338ca;--danger: #dc2626;--danger-hover: #b91c1c;--success: #059669;--shadow: 0 10px 30px rgba(15, 23, 42, .08);--radius: 14px;font-family:DM Sans,system-ui,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}#root{min-height:100vh}.app-shell{max-width:1200px;margin:0 auto;padding:32px 24px 64px}.app-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:28px}.app-header h1{margin:0 0 6px;font-size:2rem;letter-spacing:-.03em}.app-header p{margin:0;color:var(--text-muted)}.header-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:.85rem;font-weight:600}.badge.ok{background:#dcfce7;color:#166534}.badge.warn{background:#fef3c7;color:#92400e}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.panel-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid var(--border)}.panel-header h2{margin:0;font-size:1.1rem}.panel-body{padding:24px}.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center}input[type=text],input[type=search],textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}input:focus,textarea:focus{outline:2px solid rgba(79,70,229,.25);border-color:var(--primary)}.btn{border:none;border-radius:10px;padding:10px 16px;font-weight:600;transition:background .15s ease,transform .15s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface-muted);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#eef2ff}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-danger:hover{background:#fecaca}.btn:disabled{opacity:.55;cursor:not-allowed}.alert{padding:14px 16px;border-radius:12px;margin-bottom:20px}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.shelf-grid{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:start}@media(max-width:960px){.shelf-grid{grid-template-columns:1fr}}.shelf-list{list-style:none;margin:0;padding:0}.shelf-item{width:100%;text-align:left;background:transparent;border:none;border-bottom:1px solid var(--border);padding:16px 20px;display:block}.shelf-item:hover{background:var(--surface-muted)}.shelf-item.active{background:#eef2ff;border-left:3px solid var(--primary)}.shelf-item-title{font-weight:600;margin-bottom:4px}.shelf-item-meta{color:var(--text-muted);font-size:.875rem}.empty-state{padding:48px 24px;text-align:center;color:var(--text-muted)}.detail-section{display:grid;gap:20px}.detail-actions{display:flex;flex-wrap:wrap;gap:10px}.stat-row{display:flex;gap:12px;flex-wrap:wrap}.stat-card{flex:1;min-width:140px;padding:16px;border-radius:12px;background:var(--surface-muted);border:1px solid var(--border)}.stat-card strong{display:block;font-size:1.4rem;margin-bottom:4px}.stat-card span{color:var(--text-muted);font-size:.875rem}.product-table{width:100%;border-collapse:collapse}.product-table th,.product-table td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:left}.product-table th{color:var(--text-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{width:min(560px,100%);background:var(--surface);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.modal-header,.modal-footer{padding:20px 24px}.modal-header{border-bottom:1px solid var(--border)}.modal-body{padding:24px;display:grid;gap:16px}.modal-footer{border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.field label{display:block;font-weight:600;margin-bottom:8px}.field small{display:block;margin-top:6px;color:var(--text-muted)}.product-picker{max-height:220px;overflow:auto;border:1px solid var(--border);border-radius:12px;padding:8px;background:var(--surface-muted)}.product-option{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px}.product-option:hover{background:#fff}.loading{padding:32px;text-align:center;color:var(--text-muted)}select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}select:focus{outline:2px solid rgba(79,70,229,.25);border-color:var(--primary)}.btn-sm{padding:6px 12px;font-size:.85rem;border-radius:8px}.chip-row{display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:#eef2ff;color:var(--primary-hover);font-size:.8rem;font-weight:600}.row-actions{display:flex;gap:8px}.modal-wide{width:min(720px,100%)}.add-pattern-form{border-top:1px solid var(--border);padding-top:20px}.add-pattern-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:8px}.add-pattern-row select{flex:1;min-width:200px}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,#e0e7ff 0%,transparent 60%),var(--bg)}.login-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);padding:32px;display:grid;gap:18px}.login-head h1{margin:0 0 6px;font-size:1.6rem;letter-spacing:-.02em}.login-head p{margin:0;color:var(--text-muted)}.user-menu{display:flex;align-items:center;gap:10px}