*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',sans-serif;background:#f0f2f5;color:#2c3e50;font-size:14px}
:root{--primary:#2ecc71;--primary-dark:#27ae60;--sidebar:#1e2235;--danger:#e74c3c;--warning:#f39c12;--info:#3498db;--border:#e8ecf0;--muted:#7f8c8d}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e2235,#27ae60)}
.login-card{background:#fff;border-radius:16px;padding:40px 32px;width:100%;max-width:380px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:28px}.login-logo .logo-icon{font-size:48px;margin-bottom:8px}
.login-logo h1{font-size:22px;font-weight:700;color:var(--sidebar)}.login-logo p{color:var(--muted);font-size:13px;margin-top:4px}
.error-msg{background:#fdf2f2;border:1px solid #fcc;color:var(--danger);padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:13px;text-align:center}
.app-container{display:flex;flex-direction:column;min-height:100vh}
.app-header{background:var(--sidebar);color:#fff;padding:0 16px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}
.logo{display:flex;align-items:center;gap:10px}.logo-icon{font-size:24px}.logo h1{font-size:16px;font-weight:600;color:#fff}
.user-info{display:flex;align-items:center;gap:10px;font-size:13px}
.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#fff}
.app-content{flex:1;padding:16px;padding-bottom:80px;max-width:960px;margin:0 auto;width:100%}
.app-nav{position:fixed;bottom:0;left:0;right:0;background:var(--sidebar);display:flex;justify-content:space-around;padding:6px 0 8px;z-index:100}
.nav-item{color:#aaa;text-decoration:none;font-size:10px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 8px;border-radius:8px;border:none;background:none;cursor:pointer;transition:.2s}
.nav-item span{font-size:18px}.nav-item.active,.nav-item:hover{color:var(--primary)}
.card{background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.06);margin-bottom:16px;overflow:hidden}
.card-header{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:14px;font-weight:600;color:var(--sidebar)}.card-body{padding:16px}
.page-title{font-size:18px;font-weight:700;color:var(--sidebar);margin-bottom:16px}
.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.kpi-card{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.06);text-align:center;border-top:3px solid #ddd}
.kpi-card.green{border-top-color:var(--primary)}.kpi-card.orange{border-top-color:var(--warning)}
.kpi-card.red{border-top-color:var(--danger)}.kpi-card.blue{border-top-color:var(--info)}
.kpi-value{font-size:22px;font-weight:700;color:var(--sidebar)}.kpi-label{font-size:11px;color:var(--muted);margin-top:4px}
.item-list{padding:0}
.list-item{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;gap:12px}
.list-item:last-child{border-bottom:none}
.list-item-info{flex:1}.list-item-info h3{font-size:14px;font-weight:600;color:var(--sidebar);margin-bottom:3px}
.list-item-info p{font-size:12px;color:var(--muted);margin-bottom:2px}
.actions{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--sidebar);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-family:'Inter',sans-serif;font-size:13px;outline:none;transition:.2s}
.form-group input:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,204,113,.1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:8px;border:none;font-family:'Inter',sans-serif;font-size:13px;font-weight:500;cursor:pointer;text-decoration:none;transition:.2s;gap:6px}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:#27ae60;color:#fff}.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}.btn-secondary{background:#95a5a6;color:#fff}
.btn-info{background:var(--info);color:#fff}
.btn-block{width:100%;margin-top:8px}.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.badge-success{background:#d5f5e3;color:#27ae60}.badge-warning{background:#fef9e7;color:#f39c12}
.badge-danger{background:#fdf2f2;color:var(--danger)}.badge-info{background:#eaf4fc;color:var(--info)}
.badge-gray{background:#f2f3f4;color:var(--muted)}
.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:13px}
.alert-danger{background:#fdf2f2;border:1px solid #f5c6cb;color:var(--danger)}
.alert-warning{background:#fff9e6;border:1px solid #ffeeba;color:#856404}
.alert-success{background:#d5f5e3;border:1px solid #c3e6cb;color:#27ae60}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{background:#f8f9fa;padding:10px 12px;text-align:left;font-weight:600;color:var(--muted);border-bottom:2px solid var(--border)}
.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
.stock-bar{height:8px;background:#e8ecf0;border-radius:4px;overflow:hidden;margin-top:4px}
.stock-bar-fill{height:100%;border-radius:4px;transition:.3s}
.stock-ok{background:var(--primary)}.stock-warn{background:var(--warning)}.stock-crit{background:var(--danger)}
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:flex-end;justify-content:center}
.modal-overlay.open{display:flex}
.modal-box{background:#fff;border-radius:16px 16px 0 0;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;padding:20px 16px 32px;animation:slideUp .25s ease}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.modal-title{font-size:16px;font-weight:700;color:var(--sidebar)}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:#999;line-height:1}
.section-title{font-size:15px;font-weight:700;color:var(--sidebar);margin:20px 0 10px;display:flex;align-items:center;gap:8px}
.empty-state{text-align:center;padding:32px;color:var(--muted)}
.empty-state .ei{font-size:36px;margin-bottom:8px}