:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);color-scheme:light dark;--color-bg: var(--gray-50);--color-surface: #ffffff;--color-surface-raised: var(--gray-100);--color-border: var(--gray-200);--color-border-input: var(--gray-300);--color-input-bg: #ffffff;--color-text: var(--gray-900);--color-text-secondary: var(--gray-500);--color-text-muted: var(--gray-400);--color-sidebar-bg: var(--gray-900);--color-sidebar-border: var(--gray-700);--color-sidebar-hover-bg: var(--gray-800);--color-sidebar-text: var(--gray-400);--color-overlay: rgba(0, 0, 0, .45);--color-modal-overlay: rgba(0, 0, 0, .5)}@media (prefers-color-scheme: dark){:root{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-raised: #21262d;--color-border: #30363d;--color-border-input: #3d444e;--color-input-bg: #0d1117;--color-text: #e6edf3;--color-text-secondary: #8b949e;--color-text-muted: #656d76;--color-sidebar-bg: #010409;--color-sidebar-border: #21262d;--color-sidebar-hover-bg: #1c2128;--color-sidebar-text: #7d8590;--color-overlay: rgba(0, 0, 0, .65);--color-modal-overlay: rgba(0, 0, 0, .72);--primary: #4493f8;--primary-dark: #388bfd;--primary-light: #1f3a5f;--success: #3fb950;--danger: #f85149;--warning: #d29922}.alert-warning{background:#2a1e00;border-color:#6b4c00;color:#d29922}.alert-success{background:#0d1f0d;border-color:#1a4d1a;color:#3fb950}.alert-error{background:#1f0d0d;border-color:#6b1c1c;color:#f85149}.status-processing{background:#2a1e00;color:#d29922}.status-done{background:#0d1f0d;color:#3fb950}.status-error{background:#1f0d0d;color:#f85149}input:focus,textarea:focus,select:focus{box-shadow:0 0 0 3px #4493f833}}body{background:var(--color-bg);color:var(--color-text)}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;background:var(--color-sidebar-bg);color:#fff;display:flex;flex-direction:column;padding:24px 0;flex-shrink:0;overflow:hidden;transition:width .25s ease,padding .25s ease}.sidebar.sidebar-closed{width:0;padding-top:0;padding-bottom:0}.app:not(.sidebar-collapsed) .hamburger-btn{display:none}.app:not(.sidebar-collapsed) .logo-toggle-btn{display:block}.hamburger-btn{position:fixed;top:12px;left:12px;z-index:300;background:none;border:none;cursor:pointer;padding:6px 9px;border-radius:6px;font-size:20px;line-height:1;color:var(--color-text);transition:background .15s,color .15s}.hamburger-btn:hover{background:var(--color-surface-raised)}.sidebar-collapsed .page{padding-top:56px}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-overlay);z-index:150}@media (max-width: 767px){.sidebar{position:fixed;top:0;left:0;height:100vh;width:220px!important;padding:24px 0!important;transform:translate(-100%);transition:transform .25s ease;z-index:200}.sidebar:not(.sidebar-closed){transform:translate(0)}.app:not(.sidebar-collapsed) .sidebar-overlay{display:block}}.logo-toggle-btn{display:none;margin-left:auto;background:none;border:none;cursor:pointer;padding:6px 9px;border-radius:6px;font-size:20px;line-height:1;color:#fff;transition:background .15s;flex-shrink:0}.logo-toggle-btn:hover{background:#ffffff26}.logo{display:flex;align-items:center;gap:10px;padding:0 20px 28px;border-bottom:1px solid var(--color-sidebar-border);margin-bottom:16px}.logo-icon{width:30px;height:30px}.logo-text{font-size:18px;font-weight:700;letter-spacing:-.3px}.nav-item{display:flex;align-items:center;gap:10px;padding:12px 20px;color:var(--color-sidebar-text);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s;border-left:3px solid transparent}.nav-item:hover{color:#fff;background:var(--color-sidebar-hover-bg)}.nav-item.active{color:#fff;background:var(--color-sidebar-hover-bg);border-left-color:var(--primary)}.main-content{flex:1;overflow-y:auto;background:var(--color-bg)}.page{max-width:100%;margin:0;padding:36px 32px}.page-title{font-size:24px;font-weight:700;color:var(--color-text);margin-bottom:4px}.page-subtitle{font-size:14px;color:var(--color-text-secondary);margin-bottom:28px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}.card-title{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:16px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid.one-col{grid-template-columns:1fr}.field{display:flex;flex-direction:column;gap:6px}.field.full-width{grid-column:1 / -1}label{font-size:13px;font-weight:500;color:var(--color-text-secondary)}input,textarea,select{padding:9px 12px;border:1px solid var(--color-border-input);border-radius:var(--radius);font-size:14px;color:var(--color-text);background:var(--color-input-bg);transition:border-color .15s,box-shadow .15s;outline:none;width:100%}option{background:var(--color-input-bg);color:var(--color-text)}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}input[type=password]{letter-spacing:2px}.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border-input)}.btn-secondary:hover{background:var(--color-surface-raised);border-color:var(--color-border)}.btn-danger{background:var(--color-surface);color:var(--danger);border:1px solid var(--color-border)}.btn-danger:hover{background:var(--color-surface-raised)}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.dropzone{border:2px dashed var(--color-border-input);border-radius:var(--radius);padding:40px;text-align:center;cursor:pointer;transition:all .15s;background:var(--color-surface-raised)}.dropzone:hover,.dropzone.active{border-color:var(--primary);background:var(--primary-light)}.dropzone-icon{font-size:36px;margin-bottom:12px}.dropzone-text{font-size:15px;font-weight:500;color:var(--color-text)}.dropzone-hint{font-size:13px;color:var(--color-text-muted);margin-top:4px}.file-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}.file-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px}.file-item .file-name{flex:1;color:var(--color-text);font-weight:500}.file-item .file-status{font-size:12px;padding:2px 8px;border-radius:12px;font-weight:500}.status-pending{background:var(--color-surface-raised);color:var(--color-text-muted)}.status-processing{background:#fef9c3;color:#854d0e}.status-done{background:#dcfce7;color:#166534}.status-error{background:#fee2e2;color:#991b1b}.review-table{width:100%;border-collapse:collapse;font-size:14px}.review-table th{text-align:left;padding:10px 12px;background:var(--color-surface-raised);border-bottom:2px solid var(--color-border);font-size:12px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.review-table td{padding:8px 12px;border-bottom:1px solid var(--color-border);vertical-align:middle}.review-table tr:last-child td{border-bottom:none}.review-table input{padding:6px 8px;font-size:13px}.totals-box{background:var(--color-sidebar-bg);color:#fff;border-radius:var(--radius);padding:20px 24px;margin-top:8px}.totals-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px;color:var(--color-sidebar-text)}.totals-row.grand{font-size:18px;font-weight:700;color:#fff;border-top:1px solid var(--color-sidebar-border);margin-top:8px;padding-top:12px}.client-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.client-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.client-card-name{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:8px}.client-card-detail{font-size:13px;color:var(--color-text-secondary);line-height:1.6}.client-card-actions{display:flex;gap:8px;margin-top:14px}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.alert-warning{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}.divider{border:none;border-top:1px solid var(--color-border);margin:20px 0}.empty-state{text-align:center;padding:60px 20px;color:var(--color-text-muted)}.empty-state-icon{font-size:48px;margin-bottom:12px}.empty-state-text{font-size:15px;font-weight:500;color:var(--color-text-secondary)}.empty-state-hint{font-size:13px;margin-top:6px}.actions-row{display:flex;justify-content:space-between;align-items:center;margin-top:20px}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-modal-overlay);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-surface);border-radius:12px;padding:28px;width:100%;max-width:480px;box-shadow:0 20px 40px #00000026}.modal-title{font-size:18px;font-weight:700;color:var(--color-text);margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}