:root{--teal-900:#003d40;--teal-800:#00565a;--teal-700:#006d73;--teal-600:#00838a;--teal-500:#009ba3;--teal-300:#2ecdd6;--teal-200:#7de4ea;--teal-100:#b8f4f7;--teal-50:#e6fafb;--accent-red:#ef4444;--accent-green:#22c55e;--accent-amber:#f59e0b;--accent-blue:#3b82f6;--gray-900:#111827;--gray-800:#1f2937;--gray-700:#374151;--gray-600:#4b5563;--gray-500:#6b7280;--gray-400:#9ca3af;--gray-300:#d1d5db;--gray-200:#e5e7eb;--gray-100:#f3f4f6;--gray-50:#f9fafb;--white:#ffffff;--sidebar-w:260px;--header-h:60px;--radius:8px;--radius-lg:12px;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 12px rgba(0,0,0,.12);--shadow-lg:0 8px 24px rgba(0,0,0,.16);--tr:.2s ease}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--gray-100);color:var(--gray-800);line-height:1.5;min-height:100vh}
a{color:var(--teal-600);text-decoration:none}a:hover{color:var(--teal-800)}
.app-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:linear-gradient(180deg,var(--teal-900),var(--teal-800));position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;overflow-y:auto;transition:transform var(--tr)}
.sidebar-logo{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo .logo-text{font-size:1.25rem;font-weight:700;color:var(--white);letter-spacing:-.5px}
.sidebar-logo .logo-sub{font-size:.72rem;color:var(--teal-200);margin-top:2px;letter-spacing:.5px;text-transform:uppercase}
.sidebar-user{padding:14px 20px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:10px}
.sidebar-user .avatar{width:36px;height:36px;background:var(--teal-600);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:var(--white);flex-shrink:0}
.sidebar-user .user-info{flex:1;min-width:0}
.sidebar-user .user-name{font-size:.82rem;font-weight:600;color:var(--white);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user .user-role{font-size:.7rem;color:var(--teal-200);background:rgba(255,255,255,.1);padding:1px 7px;border-radius:10px;display:inline-block;margin-top:2px}
.sidebar-nav{flex:1;padding:10px 0}
.nav-section-label{font-size:.65rem;font-weight:600;color:var(--teal-300);letter-spacing:1px;text-transform:uppercase;padding:14px 20px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:rgba(255,255,255,.75);font-size:.85rem;cursor:pointer;border-left:3px solid transparent;transition:all var(--tr);text-decoration:none}
.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.1);color:var(--white);border-left-color:var(--teal-300)}
.nav-item.active{font-weight:500}
.nav-item .nav-icon{width:18px;height:18px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.nav-item svg{width:17px;height:17px}
.sidebar-footer{padding:14px 20px;border-top:1px solid rgba(255,255,255,.1)}
.sidebar-footer a{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.65);font-size:.82rem;transition:color var(--tr)}
.sidebar-footer a:hover{color:var(--white)}
.main-header{position:fixed;top:0;left:var(--sidebar-w);right:0;height:var(--header-h);background:var(--white);border-bottom:1px solid var(--gray-200);display:flex;align-items:center;padding:0 24px;z-index:90;box-shadow:var(--shadow-sm);gap:16px}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px;color:var(--gray-600)}
.page-title{font-size:1rem;font-weight:600;color:var(--gray-800);flex:1}
.header-actions{display:flex;align-items:center;gap:10px}
.main-content{margin-left:var(--sidebar-w);padding-top:var(--header-h);min-height:100vh;flex:1}
.page-body{padding:24px;max-width:1400px}
.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;gap:12px}
.card-title{font-size:.95rem;font-weight:600;color:var(--gray-800);flex:1}
.card-body{padding:20px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--white);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200);display:flex;align-items:center;gap:16px}
.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon.teal{background:var(--teal-50);color:var(--teal-600)}.stat-icon.amber{background:#fffbeb;color:#d97706}
.stat-icon.green{background:#f0fdf4;color:#16a34a}.stat-icon.red{background:#fef2f2;color:#dc2626}
.stat-icon.blue{background:#eff6ff;color:#2563eb}.stat-icon svg{width:24px;height:24px}
.stat-value{font-size:1.5rem;font-weight:700;color:var(--gray-900)}.stat-label{font-size:.78rem;color:var(--gray-500);margin-top:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:.85rem;font-weight:500;border:none;cursor:pointer;transition:all var(--tr);text-decoration:none;white-space:nowrap;font-family:inherit}
.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:15px;height:15px}
.btn-primary{background:var(--teal-600);color:var(--white)}.btn-primary:hover{background:var(--teal-700);color:var(--white)}
.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-200)}
.btn-success{background:var(--accent-green);color:var(--white)}.btn-success:hover{background:#16a34a;color:var(--white)}
.btn-danger{background:var(--accent-red);color:var(--white)}.btn-danger:hover{background:#dc2626;color:var(--white)}
.btn-warning{background:var(--accent-amber);color:var(--white)}.btn-warning:hover{background:#d97706;color:var(--white)}
.btn-info{background:var(--accent-blue);color:var(--white)}.btn-info:hover{background:#1d4ed8;color:var(--white)}
.btn-sm{padding:5px 11px;font-size:.78rem}.btn-lg{padding:11px 22px;font-size:.95rem}.btn-icon{padding:7px}
.btn-outline-teal{background:transparent;color:var(--teal-600);border:1.5px solid var(--teal-500)}.btn-outline-teal:hover{background:var(--teal-600);color:var(--white)}
.form-group{margin-bottom:16px}.form-row{display:grid;gap:16px;margin-bottom:16px}
.form-row.cols-2{grid-template-columns:repeat(2,1fr)}.form-row.cols-3{grid-template-columns:repeat(3,1fr)}
.form-row.cols-4{grid-template-columns:repeat(4,1fr)}.form-row.cols-6{grid-template-columns:repeat(6,1fr)}
label{display:block;font-size:.8rem;font-weight:500;color:var(--gray-600);margin-bottom:5px}
label .required{color:var(--accent-red);margin-left:2px}
input[type=text],input[type=number],input[type=email],input[type=tel],input[type=date],input[type=password],input[type=search],select,textarea{width:100%;padding:8px 11px;border:1.5px solid var(--gray-300);border-radius:var(--radius);font-size:.85rem;color:var(--gray-800);background:var(--white);transition:border-color var(--tr),box-shadow var(--tr);outline:none;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--teal-500);box-shadow:0 0 0 3px rgba(0,155,163,.12)}
input[readonly],input[disabled]{background:var(--gray-50);color:var(--gray-500);cursor:not-allowed}
select{cursor:pointer}textarea{resize:vertical;min-height:80px}
.form-hint{font-size:.75rem;color:var(--gray-500);margin-top:4px}
.toggle-wrapper{display:flex;align-items:center;gap:10px}
.toggle{position:relative;display:inline-block;width:42px;height:24px}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;cursor:pointer;inset:0;background:var(--gray-300);border-radius:24px;transition:.3s}
.toggle-slider::before{content:'';position:absolute;width:18px;height:18px;left:3px;bottom:3px;background:var(--white);border-radius:50%;transition:.3s;box-shadow:var(--shadow-sm)}
.toggle input:checked+.toggle-slider{background:var(--teal-500)}
.toggle input:checked+.toggle-slider::before{transform:translateX(18px)}
.toggle-label{font-size:.85rem;color:var(--gray-700);font-weight:500}
.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.83rem}
thead th{background:var(--gray-50);padding:10px 12px;text-align:left;font-size:.75rem;font-weight:600;color:var(--gray-500);letter-spacing:.5px;text-transform:uppercase;border-bottom:1.5px solid var(--gray-200);white-space:nowrap}
tbody td{padding:10px 12px;border-bottom:1px solid var(--gray-100);color:var(--gray-700);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--gray-50)}
.tfoot-total td{padding:10px 12px;border-top:2px solid var(--gray-200);font-weight:600;color:var(--gray-800);background:var(--gray-50)}
.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;font-size:.72rem;font-weight:600;letter-spacing:.3px}
.badge-success{background:#dcfce7;color:#166534}.badge-danger{background:#fee2e2;color:#991b1b}
.badge-warning{background:#fef3c7;color:#92400e}.badge-info{background:#dbeafe;color:#1e40af}
.badge-teal{background:var(--teal-50);color:var(--teal-800)}.badge-gray{background:var(--gray-100);color:var(--gray-600)}
.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:.85rem;display:flex;align-items:flex-start;gap:10px}
.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}
.alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity var(--tr)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-height:90vh;overflow-y:auto;transform:translateY(20px);transition:transform var(--tr)}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-sm{max-width:440px}.modal-md{max-width:640px}.modal-lg{max-width:900px}.modal-xl{max-width:1100px}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;gap:12px}
.modal-title{font-size:1rem;font-weight:600;flex:1}
.modal-close{background:none;border:none;cursor:pointer;color:var(--gray-400);padding:4px;border-radius:6px;transition:color var(--tr)}
.modal-close:hover{color:var(--gray-700)}.modal-body{padding:20px}
.modal-footer{padding:14px 20px;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:10px}
.toast-container{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--gray-900);color:var(--white);padding:12px 18px;border-radius:var(--radius);font-size:.85rem;min-width:280px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;animation:slideIn .25s ease}
.toast.success{background:#166534}.toast.error{background:#991b1b}.toast.warning{background:#92400e}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.page-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.page-toolbar-left{flex:1;display:flex;gap:10px;flex-wrap:wrap}.page-toolbar-right{display:flex;gap:10px;flex-wrap:wrap}
.search-input{position:relative;min-width:240px}
.search-input svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--gray-400)}
.search-input input{padding-left:34px}
.items-table-wrap{border:1.5px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;margin-bottom:16px}
.items-table{width:100%;border-collapse:collapse;font-size:.82rem}
.items-table th{background:var(--teal-900);color:var(--white);padding:9px 10px;text-align:left;font-weight:500;font-size:.75rem;white-space:nowrap}
.items-table td{padding:6px;border-bottom:1px solid var(--gray-100);vertical-align:middle}
.items-table tr:last-child td{border-bottom:none}
.items-table input,.items-table select{padding:5px 7px;font-size:.8rem;min-width:0}
.add-row-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--teal-50);color:var(--teal-700);border:1.5px dashed var(--teal-300);border-radius:var(--radius);font-size:.82rem;font-weight:500;cursor:pointer;width:100%;justify-content:center;margin-bottom:16px;transition:all var(--tr)}
.add-row-btn:hover{background:var(--teal-100);border-color:var(--teal-500)}.add-row-btn svg{width:16px;height:16px}
.totals-panel{background:var(--gray-50);border:1.5px solid var(--gray-200);border-radius:var(--radius);padding:16px 20px;min-width:280px;margin-left:auto}
.total-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;font-size:.85rem;color:var(--gray-600);border-bottom:1px solid var(--gray-200)}
.total-row:last-child{border-bottom:none;padding-top:10px;margin-top:6px;font-size:1rem;font-weight:700;color:var(--gray-900)}
.total-row span:last-child{font-weight:600;color:var(--gray-800)}
.margin-warn{color:var(--accent-red);font-weight:600}.margin-ok{color:var(--accent-green)}
.login-page{min-height:100vh;display:flex;background:linear-gradient(135deg,var(--teal-900),var(--teal-700) 50%,var(--teal-600))}
.login-panel{width:420px;flex-shrink:0;background:var(--white);display:flex;align-items:center;justify-content:center;padding:48px 40px}
.login-form-wrap{width:100%}
.login-logo{margin-bottom:32px}
.login-logo h1{font-size:1.7rem;font-weight:800;color:var(--teal-700)}
.login-logo p{font-size:.82rem;color:var(--gray-500);margin-top:4px}
.login-submit{width:100%;margin-top:8px;padding:11px;font-size:.95rem}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:3px}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
  .sidebar-overlay.open{display:block}.main-content{margin-left:0}.main-header{left:0}
  .hamburger{display:flex}.page-body{padding:16px}
  .form-row.cols-3,.form-row.cols-4,.form-row.cols-6{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}.login-panel{width:100%}.totals-panel{min-width:100%}
}
@media(max-width:480px){
  .form-row.cols-2,.form-row.cols-3,.form-row.cols-4{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
}