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0;border:none;margin-bottom:16px;padding:8px;font-size:16px;font-weight:500}.back-btn:hover{text-decoration:underline}.detail-content{flex-direction:column;gap:16px;display:flex}.detail-image{object-fit:contain;background:#f3f4f6;border-radius:8px;width:100%;max-height:400px;display:block}.detail-info{flex-direction:column;gap:12px;display:flex}.detail-info h2{color:#111827;font-size:24px;font-weight:700}.detail-info p{color:#374151;font-size:14px;line-height:1.5}.detail-info strong{color:#111827;font-weight:600}.timestamp{color:#9ca3af;border-top:1px solid #e5e7eb;margin-top:8px;padding-top:8px;font-size:13px}.edit-btn{color:#fff;cursor:pointer;background:#4f46e5;border:none;border-radius:6px;width:100%;margin-top:12px;padding:12px 16px;font-size:14px;font-weight:600;transition:background .2s}.edit-btn:hover{background:#4338ca}.delete-btn{color:#fff;cursor:pointer;background:#ef4444;border:none;border-radius:6px;width:100%;margin-top:8px;padding:12px 16px;font-size:14px;font-weight:600;transition:background .2s}.delete-btn:hover:not(:disabled){background:#dc2626}.delete-btn:disabled{cursor:not-allowed;background:#d1d5db}.delete-confirm{background:#fee2e2;border:1px solid #fecaca;border-radius:8px;margin-top:12px;padding:16px}.delete-confirm p{color:#991b1b;margin-bottom:12px;font-size:14px;font-weight:500}.delete-confirm-actions{gap:8px;display:flex}.delete-confirm-btn{color:#fff;cursor:pointer;background:#ef4444;border:none;border-radius:6px;flex:1;padding:10px;font-size:14px;font-weight:600}.delete-confirm-btn:hover:not(:disabled){background:#dc2626}.cancel-btn{color:#374151;cursor:pointer;background:#e5e7eb;border:none;border-radius:6px;flex:1;padding:10px;font-size:14px;font-weight:600}.cancel-btn:hover{background:#d1d5db}.delete-error{color:#991b1b;margin-top:8px;font-size:13px}.edit-form{padding:4px 0}.edit-form h2{margin-bottom:16px;font-size:20px;font-weight:700}.edit-form .form-group{margin-bottom:14px}.edit-form label{color:#374151;margin-bottom:4px;font-size:13px;font-weight:600;display:block}.edit-form input,.edit-form textarea{border:1px solid #d1d5db;border-radius:6px;width:100%;padding:10px 12px;font-family:inherit;font-size:14px}.edit-form input:focus,.edit-form textarea:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 3px #3b82f61a}.edit-actions{gap:8px;margin-top:16px;display:flex}.save-edit-btn{color:#fff;cursor:pointer;background:#10b981;border:none;border-radius:6px;flex:1;padding:12px;font-size:14px;font-weight:600}.save-edit-btn:hover:not(:disabled){background:#059669}.save-edit-btn:disabled{cursor:not-allowed;background:#d1d5db}.edit-actions .cancel-btn{flex:1}@media (width<=640px){.invoice-cards{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.invoice-detail{padding:16px}.detail-info h2{font-size:20px}}.admin-page{max-width:600px;margin:0 auto;padding-bottom:24px}.admin-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.admin-header h2{color:#111827;font-size:22px;font-weight:700}.add-worker-btn{color:#fff;cursor:pointer;background:#3b82f6;border:none;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .2s}.add-worker-btn:hover{background:#1e40af}.admin-success{color:#065f46;background:#d1fae5;border:1px solid #6ee7b7;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:14px;font-weight:500}.add-worker-form{background:#fff;border-radius:12px;margin-bottom:20px;padding:20px;box-shadow:0 1px 3px #0000001a}.add-worker-form h3{color:#111827;margin-bottom:16px;font-size:16px;font-weight:600}.add-worker-form .form-group{margin-bottom:14px}.add-worker-form label{color:#374151;margin-bottom:5px;font-size:13px;font-weight:600;display:block}.add-worker-form input{border:1px solid #d1d5db;border-radius:6px;width:100%;padding:10px 12px;font-family:inherit;font-size:15px;transition:border-color .2s}.add-worker-form input:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 3px #3b82f61a}.form-error{color:#ef4444;background:#fee2e2;border:1px solid #fecaca;border-radius:6px;margin-bottom:12px;padding:8px 12px;font-size:13px}.form-actions{gap:10px;display:flex}.save-btn{color:#fff;cursor:pointer;background:#10b981;border:none;border-radius:8px;flex:1;padding:11px;font-size:14px;font-weight:600;transition:background .2s}.save-btn:hover:not(:disabled){background:#059669}.save-btn:disabled{cursor:not-allowed;background:#d1d5db}.cancel-form-btn{color:#374151;cursor:pointer;background:#f3f4f6;border:none;border-radius:8px;flex:1;padding:11px;font-size:14px;font-weight:600;transition:background .2s}.cancel-form-btn:hover:not(:disabled){background:#e5e7eb}.workers-list{flex-direction:column;gap:10px;display:flex}.no-workers{text-align:center;color:#6b7280;padding:32px;font-size:15px}.worker-row{background:#fff;border-radius:10px;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;box-shadow:0 1px 3px #00000014}.worker-info{flex-direction:column;gap:2px;display:flex}.worker-name{color:#111827;font-size:16px;font-weight:600}.worker-id{color:#9ca3af;font-size:12px}.remove-btn{color:#ef4444;cursor:pointer;background:#fee2e2;border:none;border-radius:6px;flex-shrink:0;padding:7px 14px;font-size:13px;font-weight:600;transition:background .2s}.remove-btn:hover:not(:disabled){background:#fecaca}.remove-btn:disabled{opacity:.5;cursor:not-allowed}.admin-note{color:#0369a1;background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;margin-top:24px;padding:14px 16px;font-size:13px;line-height:1.6}.admin-note p+p{margin-top:4px}:root{--primary:#3b82f6;--primary-dark:#1e40af;--secondary:#10b981;--danger:#ef4444;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-600:#4b5563;--gray-700:#374151;--gray-900:#111827;--white:#fff}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;background:var(--gray-50);color:var(--gray-900);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{flex-direction:column;min-height:100vh;display:flex}.loading{justify-content:center;align-items:center;min-height:100vh;font-size:18px;display:flex}.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--white);border-bottom:1px solid var(--gray-200);justify-content:space-between;align-items:center;padding:16px;display:flex;box-shadow:0 1px 3px #0000001a}.app-header h1{color:var(--gray-900);font-size:24px;font-weight:700}.logout-btn{background:var(--gray-200);cursor:pointer;color:var(--gray-700);border:none;border-radius:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:background .2s}.logout-btn:hover{background:var(--gray-300)}.tab-nav{background:var(--white);border-bottom:2px solid var(--gray-200);display:flex}.tab-btn{color:var(--gray-600);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;margin-bottom:-2px;padding:12px 16px;font-size:14px;font-weight:500;transition:all .2s}.tab-btn:hover{color:var(--primary)}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}.app-content{flex:1;padding:16px;overflow-y:auto}.auth-container{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;padding:16px;display:flex}.auth-box{background:var(--white);border-radius:12px;width:100%;max-width:400px;padding:32px;box-shadow:0 10px 25px #0000001a}.auth-box h1{text-align:center;color:var(--gray-900);margin-bottom:24px;font-size:28px}.auth-box form{flex-direction:column;gap:16px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--gray-700);font-size:14px;font-weight:500}.form-group input,.form-group textarea{border:1px solid var(--gray-300);border-radius:6px;padding:10px 12px;font-family:inherit;font-size:14px;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #3b82f61a}button[type=submit]{background:var(--primary);color:var(--white);cursor:pointer;border:none;border-radius:6px;margin-top:8px;padding:10px 16px;font-size:14px;font-weight:600;transition:background .2s}button[type=submit]:hover:not(:disabled){background:var(--primary-dark)}button[type=submit]:disabled{background:var(--gray-300);cursor:not-allowed}.toggle-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;margin-top:8px;padding:8px;font-size:14px}.toggle-btn:hover{text-decoration:underline}.error-message{color:var(--danger);background:#fee;border:1px solid #fcc;border-radius:4px;padding:8px 12px;font-size:13px}@media (width<=640px){.app-header{padding:12px}.app-header h1{font-size:20px}.app-content{padding:12px}.auth-box{padding:24px}.auth-box h1{font-size:24px}}