:root {
            --primary: #3b82f6;
            --success: #10b981;
            --gray-light: #f3f4f6;
            --gray-text: #6b7280;
            --dark-text: #111827;
            --border: #e5e7eb;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Inter', sans-serif;
        }

        body {
            background-color: #0ab8df38;
            padding: 20px;
            color: var(--dark-text);
            line-height: 1.6;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
        }

        .header-title {
            text-align: center;
            margin-bottom: 30px;
        }

        .header-title h1 {
            font-size: 28px;
            margin-bottom: 5px;
        }

        .header-title p {
            color: var(--gray-text);
            font-size: 16px;
        }

        .card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            padding: 40px;
            margin-bottom: 50px;
        }

        /* --- STEPPER --- */
        .stepper {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .stepper::before {
            content: '';
            position: absolute;
            top: 18px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--border);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            background: white;
            padding: 0 10px;
            width: 100px;
        }

        .step-circle {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 8px;
            border: 2px solid var(--border);
            background-color: white;
            color: var(--gray-text);
            transition: 0.3s;
        }

        .step-label {
            font-size: 12px;
            color: var(--gray-text);
            font-weight: 500;
        }

        .step-item.active .step-circle {
            background-color: var(--primary);
            border-color: var(--primary);
            color: white;
        }

        .step-item.completed .step-circle {
            background-color: var(--success);
            border-color: var(--success);
            color: white;
        }

        /* --- FORM ELEMENTS --- */
        .form-step {
            display: none;
            animation: fadeIn 0.4s ease;
        }

        .form-step.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        h2 {
            font-size: 22px;
            margin-bottom: 8px;
        }

        .step-desc {
            color: var(--gray-text);
            font-size: 14px;
            margin-bottom: 30px;
        }

        .grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .full {
            grid-column: span 2;
        }

        .form-group {
            margin-bottom: 18px;
        }

        label {
            display: block;
            font-weight: 500;
            font-size: 14px;
            margin-bottom: 8px;
            color: #374151;
        }

        input,
        select,
        textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: 0.2s;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
        }

        /* --- RADIO CARD (Langkah 1) --- */
        .radio-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 25px;
        }

        .radio-card {
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            cursor: pointer;
            display: flex;
            align-items: center;
            transition: 0.2s;
            position: relative;
        }

        .radio-card input {
            position: absolute;
            opacity: 0;
        }

        .radio-card:has(input:checked) {
            border-color: var(--primary);
            background-color: #eff6ff;
        }

        .dot {
            width: 16px;
            height: 16px;
            border: 2px solid #d1d5db;
            border-radius: 50%;
            margin-right: 12px;
            position: relative;
        }

        .radio-card input:checked+.dot {
            border-color: var(--primary);
            background-color: var(--primary);
            box-shadow: inset 0 0 0 3px white;
        }

        /* --- UPLOAD BOX (Langkah 4) --- */
        .upload-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .upload-box {
            border: 2px dashed var(--border);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: 0.2s;
        }

        .upload-box:hover {
            border-color: var(--primary);
            background: #f9fafb;
        }

        .upload-box p {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .upload-box span {
            font-size: 12px;
            color: var(--gray-text);
        }

        /* --- BUTTONS --- */
        .actions {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid var(--border);
        }

        .btn {
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            border: none;
            transition: 0.2s;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-prev {
            background: var(--gray-light);
            color: var(--gray-text);
        }

        .btn-prev:hover {
            background: #e5e7eb;
        }

        .btn-next {
            background: var(--primary);
            color: white;
        }

        .btn-next:hover {
            background: #2563eb;
        }

        .btn-submit {
            background: var(--success);
            color: white;
        }

        .btn-submit:hover {
            background: #059669;
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {

            .grid,
            .radio-grid {
                grid-template-columns: 1fr;
            }

            .full {
                grid-column: span 1;
            }

            .card {
                padding: 20px;
            }

            .stepper {
                display: none;
            }

            /* Sembunyikan stepper di HP agar tidak sesak */
        }

        /* --- LOADING OVERLAY --- */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.9);
            display: none;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            z-index: 9999;
        }
        .spinner {
            width: 50px; height: 50px; border: 5px solid var(--gray-light); border-top: 5px solid var(--primary); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 15px;
        }
        @keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }