:root{--bg: #f4f6fb;--bg-elev: #ffffff;--border: #e3e8ef;--text: #0f172a;--text-muted: #64748b;--primary: #4f46e5;--primary-hover: #4338ca;--primary-soft: #eef2ff;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--info: #0ea5e9;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);--shadow-md: 0 4px 12px rgba(15, 23, 42, .08);--shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);--font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Inter", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.45}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{font-family:inherit;font-size:inherit;outline:none}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text)}.app-shell{min-height:100dvh;display:flex;flex-direction:column}.container{width:100%;max-width:760px;margin:0 auto;padding:16px}.container-wide{max-width:1280px;padding:24px}.topbar{position:sticky;top:0;z-index:20;background:var(--bg-elev);border-bottom:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;gap:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.topbar h1{font-size:17px;flex:1}.topbar .role-chip{background:var(--primary-soft);color:var(--primary);padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}.tabbar{position:sticky;bottom:0;z-index:10;background:var(--bg-elev);border-top:1px solid var(--border);display:flex;padding:8px env(safe-area-inset-right) calc(8px + env(safe-area-inset-bottom)) env(safe-area-inset-left)}.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:11px;font-weight:600}.tabbar button .icon{font-size:20px;line-height:1}.tabbar button.active{color:var(--primary)}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:12px}.card-title{font-size:16px;font-weight:600;margin-bottom:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border-radius:var(--radius-sm);font-weight:600;background:var(--primary);color:#fff;transition:background .15s ease,opacity .15s ease,transform .05s ease;min-height:40px}.btn:hover:not(:disabled){background:var(--primary-hover)}.btn:active:not(:disabled){transform:scale(.98)}.btn.secondary{background:var(--primary-soft);color:var(--primary)}.btn.secondary:hover:not(:disabled){background:#e0e7ff}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.ghost:hover:not(:disabled){background:var(--bg)}.btn.danger{background:var(--danger);color:#fff}.btn.danger:hover:not(:disabled){background:#dc2626}.btn.sm{padding:6px 10px;font-size:13px;min-height:32px}.btn.full{width:100%}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field label{font-size:13px;color:var(--text-muted);font-weight:500}.field .hint{font-size:12px;color:var(--text-muted)}.input,.select,.textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--text);transition:border-color .15s ease,box-shadow .15s ease}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}.textarea{min-height:72px;resize:vertical}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px}.badge.CREATED,.badge.PENDING{background:#f1f5f9;color:#475569}.badge.IN_PROGRESS,.badge.ORDERED{background:#dbeafe;color:#1d4ed8}.badge.INVOICE_ISSUED{background:#fef3c7;color:#b45309}.badge.PAID{background:#fae8ff;color:#9333ea}.badge.PARTIALLY_RECEIVED{background:#ccfbf1;color:#0f766e}.badge.RECEIVED,.badge.COMPLETED{background:#dcfce7;color:#15803d}.request-card{display:block;padding:14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elev);box-shadow:var(--shadow-sm);margin-bottom:10px;transition:transform .1s ease,box-shadow .15s ease}.request-card:hover{box-shadow:var(--shadow-md);text-decoration:none}.request-card .row{display:flex;justify-content:space-between;align-items:center;gap:8px}.request-card .title{font-weight:600;font-size:15px;color:var(--text)}.request-card .meta{color:var(--text-muted);font-size:12px;margin-top:4px}.item-row{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-md);background:#fff}.item-row .item-header{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}.item-row .item-name{font-weight:600}.item-row .item-meta{color:var(--text-muted);font-size:13px}.toast{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);background:#0f172a;color:#fff;padding:10px 16px;border-radius:var(--radius-md);font-size:14px;box-shadow:var(--shadow-lg);z-index:1000;max-width:90%;text-align:center}.toast.error{background:var(--danger)}.toast.success{background:var(--success)}.empty-state{text-align:center;color:var(--text-muted);padding:40px 20px}.empty-state .icon{font-size:42px;margin-bottom:8px;opacity:.6}.filters{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin:0 -4px 12px;padding-left:4px;padding-right:4px;scrollbar-width:none}.filters::-webkit-scrollbar{display:none}.chip{white-space:nowrap;padding:6px 12px;border-radius:999px;background:var(--bg-elev);color:var(--text-muted);border:1px solid var(--border);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s ease}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.admin-shell{min-height:100dvh;display:flex;background:var(--bg)}.admin-sidebar{width:240px;background:var(--bg-elev);border-right:1px solid var(--border);padding:16px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100dvh}.admin-sidebar .brand{padding:6px 10px 16px;font-weight:700;font-size:18px;color:var(--text);border-bottom:1px solid var(--border);margin-bottom:8px}.admin-sidebar a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500}.admin-sidebar a:hover{background:var(--bg);text-decoration:none;color:var(--text)}.admin-sidebar a.active{background:var(--primary-soft);color:var(--primary)}.admin-main{flex:1;padding:24px;overflow-x:auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}.page-header h1{font-size:22px}.table{width:100%;border-collapse:separate;border-spacing:0;background:var(--bg-elev);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border)}.table th,.table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);font-size:14px}.table th{background:var(--bg);font-weight:600;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.table tbody tr:hover{background:#fafbfd}.table tbody tr:last-child td{border-bottom:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:var(--bg-elev);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;max-width:480px;width:100%;max-height:90vh;overflow-y:auto}.modal h2{margin-bottom:16px;font-size:18px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-sm)}.stat-card .label{color:var(--text-muted);font-size:13px;margin-bottom:6px}.stat-card .value{font-size:26px;font-weight:700;color:var(--text)}.stat-card.accent{background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;color:#fff}.stat-card.accent .label,.stat-card.accent .value{color:#fff}.loader{display:flex;justify-content:center;align-items:center;padding:40px;color:var(--text-muted)}.spinner{width:24px;height:24px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#4f46e5,#7c3aed);padding:24px}.login-card{background:#fff;border-radius:var(--radius-lg);padding:32px;width:100%;max-width:380px;box-shadow:var(--shadow-lg)}.login-card h1{font-size:22px;margin-bottom:4px}.login-card p{color:var(--text-muted);margin:0 0 24px;font-size:14px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.hstack{display:flex;align-items:center;gap:8px}.vstack{display:flex;flex-direction:column;gap:8px}.spacer{flex:1}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.grow{flex:1}.wrap{flex-wrap:wrap}