.reg-wrapper {
        background: linear-gradient(180deg, #FDFBF7 0%, #F3EAE0 100%);
        min-height: calc(100vh - 120px);
        padding: 40px 16px 60px;
    }
    .reg-container {
        max-width: 820px;
        margin: 0 auto;
    }
    .reg-header {
        text-align: center;
        margin-bottom: 28px;
    }
    .reg-header h2 {
        font-size: 26px;
        font-weight: 700;
        color: #1e293b;
    }
    .reg-header p {
        font-size: 13.5px;
        color: #64748b;
        margin-top: 4px;
    }
    .step-indicator {
        display: flex;
        justify-content: space-between;
        position: relative;
        max-width: 620px;
        margin: 0 auto 30px auto;
        padding: 0 10px;
    }
    .step-indicator::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 10px;
        right: 10px;
        height: 2px;
        background: #e2e8f0;
        transform: translateY(-50%);
        z-index: 1;
    }
    .step-item {
        position: relative;
        z-index: 2;
        background: #ffffff;
        border: 2px solid #cbd5e1;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 13px;
        color: #64748b;
        transition: all 0.25s ease;
    }
    .step-item.active {
        border-color: #d9534f;
        background-color: #d9534f;
        color: #ffffff;
        box-shadow: 0 0 0 3px rgba(217, 83, 79, 0.2);
    }
    .step-label {
        position: absolute;
        top: 42px;
        font-size: 11px;
        font-weight: 600;
        white-space: nowrap;
        color: #64748b;
    }
    .step-item.active .step-label {
        color: #d9534f;
        font-weight: 700;
    }
    .reg-card {
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        padding: clamp(20px, 4vw, 32px) clamp(16px, 5vw, 36px);
        box-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.04);
    }
    .form-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
        gap: 18px 22px;
    }
    .full-width {
        grid-column: 1 / -1;
    }
    .form-group {
        display: flex;
        flex-direction: column;
        gap: 6px;
        position: relative;
    }
    .form-group label {
        font-size: 12.5px;
        font-weight: 600;
        color: #334155;
    }
    .form-group label .req {
        color: #d9534f;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 9px 12px;
        font-size: 13px;
        border: 1px solid #cbd5e1;
        border-radius: 6px;
        outline: none;
        background-color: #f8fafc;
        transition: border 0.15s ease;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        border-color: #d9534f;
        background-color: #ffffff;
    }
    .form-group input[readonly] {
        background-color: #e2e8f0;
        cursor: not-allowed;
    }
    .radio-group {
        display: flex;
        align-items: center;
        gap: 24px;
        padding: 8px 0;
    }
    .radio-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 500;
        color: #334155;
        cursor: pointer;
    }
    .radio-label input[type="radio"],
    .checkbox-label input[type="checkbox"] {
        accent-color: #d9534f;
        cursor: pointer;
    }
    .checkbox-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 12.5px;
        font-weight: 600;
        color: #0f172a;
        cursor: pointer;
        user-select: none;
    }
    .reused-doc-banner {
        display: none;
        background-color: #f0fdf4;
        border: 1px solid #bbf7d0;
        color: #166534;
        padding: 10px 14px;
        border-radius: 6px;
        font-size: 12px;
        font-weight: 500;
    }
    .file-input-wrapper {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .file-input-wrapper input[type="file"] {
        flex: 1;
    }
    .preview-btn {
        background: #f1f5f9;
        border: 1px solid #cbd5e1;
        border-radius: 6px;
        padding: 8px 12px;
        cursor: pointer;
        color: #475569;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: all 0.15s ease;
        text-decoration: none;
    }
    .preview-btn:hover {
        background: #e2e8f0;
        color: #0f172a;
    }
    .in-field-prefix-wrapper {
        position: relative;
        display: flex;
        align-items: center;
    }
    .in-field-prefix {
        position: absolute;
        left: 12px;
        font-size: 13px;
        font-weight: 500;
        color: #94a3b8;
        pointer-events: none;
        user-select: none;
    }
    .in-field-prefix-wrapper input {
        width: 100%;
        padding-left: 42px !important;
    }
    .password-input-wrapper {
        position: relative;
        display: flex;
        align-items: center;
    }
    .password-input-wrapper input {
        width: 100%;
        padding-right: 40px !important;
    }
    .password-toggle-btn {
        position: absolute;
        right: 12px;
        background: none;
        border: none;
        cursor: pointer;
        color: #94a3b8;
        display: flex;
        align-items: center;
        padding: 0;
    }
    .password-toggle-btn:hover {
        color: #475569;
    }
    .file-hint {
        font-size: 11px;
        color: #64748b;
    }
    .btn-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 28px;
        padding-top: 18px;
        border-top: 1px solid #f1f5f9;
        gap: 12px;
    }
    .btn-next, .btn-submit, .btn-cancel-inline, .btn-back {
        padding: 9px 20px;
        font-size: 13px;
        font-weight: 600;
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.15s ease;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    .btn-cancel-inline {
        background: #ffffff;
        border: 1px solid #e2e8f0;
        color: #64748b;
    }
    .btn-cancel-inline:hover {
        background: #fee2e2;
        border-color: #fca5a5;
        color: #991b1b;
    }
    .btn-back {
        background: #ffffff;
        border: 1px solid #cbd5e1;
        color: #475569;
    }
    .btn-back:hover {
        background: #f8fafc;
        border-color: #94a3b8;
        color: #0f172a;
    }
    .btn-next, .btn-submit {
        background: #d9534f;
        border: 1px solid #d9534f;
        color: #ffffff;
        margin-left: auto;
    }
    .btn-next:hover, .btn-submit:hover {
        background: #b03430;
    }
    .alert-box {
        padding: 12px 16px;
        border-radius: 6px;
        margin-bottom: 20px;
        font-size: 13px;
    }
    .alert-error {
        background-color: #fee2e2;
        border: 1px solid #fca5a5;
        color: #991b1b;
    }
    .alert-success {
        background-color: #d1fae5;
        border: 1px solid #6ee7b7;
        color: #065f46;
    }
    .bpl-details-section {
        display: none;
        grid-column: 1 / -1;
        background: #fff5f5;
        border: 1px dashed #fca5a5;
        border-radius: 8px;
        padding: 16px;
        margin-top: 6px;
    }