* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', 'Segoe UI', sans-serif;
            background: #0f172a;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
            top: -250px;
            right: -250px;
            border-radius: 50%;
        }

        body::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
            bottom: -200px;
            left: -200px;
            border-radius: 50%;
        }

        .container {
            background: rgba(30, 41, 59, 0.8);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(148, 163, 184, 0.1);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            width: 100%;
            max-width: 600px;
            padding: 40px;
            animation: slideIn 0.5s ease-out;
            position: relative;
            z-index: 1;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        h1 {
            color: #f1f5f9;
            text-align: center;
            margin-bottom: 10px;
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .subtitle {
            text-align: center;
            color: #94a3b8;
            margin-bottom: 35px;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #e2e8f0;
            font-weight: 500;
            font-size: 14px;
        }

        label .required {
            color: #f87171;
            margin-left: 2px;
        }

        input[type="text"],
        input[type="email"],
        input[type="tel"],
        input[type="date"],
        textarea {
            width: 100%;
            padding: 12px 16px;
            background: rgba(15, 23, 42, 0.6);
            border: 2px solid rgba(148, 163, 184, 0.2);
            border-radius: 12px;
            font-size: 14px;
            color: #f1f5f9;
            transition: all 0.3s ease;
            font-family: inherit;
        }

        input::placeholder,
        textarea::placeholder {
            color: #64748b;
        }

        input:focus,
        textarea:focus {
            outline: none;
            background: rgba(15, 23, 42, 0.8);
            border-color: #3b82f6;
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
        }

        input.error,
        textarea.error {
            border-color: #ef4444;
            background: rgba(239, 68, 68, 0.05);
        }

        input.success,
        textarea.success {
            border-color: #10b981;
            background: rgba(16, 185, 129, 0.05);
        }

        textarea {
            resize: vertical;
            min-height: 80px;
        }

        .error-message {
            color: #fca5a5;
            font-size: 12px;
            margin-top: 5px;
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .radio-group {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .radio-option {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        input[type="radio"] {
            width: 20px;
            height: 20px;
            cursor: pointer;
            accent-color: #3b82f6;
        }

        .radio-option label {
            margin: 0;
            cursor: pointer;
            font-weight: normal;
            color: #cbd5e1;
        }

        .btn {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .btn-submit {
            background: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .btn-submit::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .btn-submit:hover:not(:disabled)::before {
            left: 100%;
        }

        .btn-submit:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
        }

        .btn-submit:disabled {
            background: rgba(71, 85, 105, 0.5);
            cursor: not-allowed;
        }

        .btn-preview {
            background: rgba(59, 130, 246, 0.2);
            color: #60a5fa;
            border: 2px solid rgba(59, 130, 246, 0.3);
        }

        .btn-preview:hover:not(:disabled) {
            background: rgba(59, 130, 246, 0.3);
            border-color: rgba(59, 130, 246, 0.5);
        }

        .btn-preview:disabled {
            background: rgba(71, 85, 105, 0.2);
            color: rgba(148, 163, 184, 0.5);
            border-color: rgba(71, 85, 105, 0.3);
            cursor: not-allowed;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(8px);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .modal.show {
            display: flex;
        }

        .modal-content {
            background: rgba(30, 41, 59, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(148, 163, 184, 0.2);
            border-radius: 20px;
            padding: 35px;
            max-width: 500px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            animation: modalSlide 0.3s ease-out;
        }

        @keyframes modalSlide {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .modal-header {
            margin-bottom: 25px;
            border-bottom: 2px solid rgba(148, 163, 184, 0.2);
            padding-bottom: 15px;
        }

        .modal-header h2 {
            color: #f1f5f9;
            font-size: 24px;
            background: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .preview-item {
            margin-bottom: 18px;
            padding: 16px;
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(148, 163, 184, 0.1);
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .preview-item:hover {
            background: rgba(15, 23, 42, 0.8);
            border-color: rgba(59, 130, 246, 0.3);
        }

        .preview-label {
            font-weight: 600;
            color: #94a3b8;
            font-size: 12px;
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .preview-value {
            color: #e2e8f0;
            font-size: 15px;
        }

        .modal-actions {
            display: flex;
            gap: 10px;
            margin-top: 25px;
        }

        .btn-confirm {
            flex: 1;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: white;
        }

        .btn-confirm:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
        }

        .btn-cancel {
            flex: 1;
            background: rgba(71, 85, 105, 0.5);
            color: #cbd5e1;
            border: 2px solid rgba(148, 163, 184, 0.2);
        }

        .btn-cancel:hover {
            background: rgba(71, 85, 105, 0.7);
            border-color: rgba(148, 163, 184, 0.3);
        }

        .success-message {
            display: none;
            background: rgba(16, 185, 129, 0.1);
            border: 2px solid rgba(16, 185, 129, 0.3);
            color: #6ee7b7;
            padding: 16px;
            border-radius: 12px;
            margin-bottom: 25px;
            text-align: center;
            font-weight: 500;
        }

        .success-message.show {
            display: block;
        }

        @media (max-width: 768px) {
            .container {
                padding: 25px;
            }

            h1 {
                font-size: 24px;
            }

            .radio-group {
                flex-direction: column;
                gap: 12px;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 10px;
            }

            .container {
                padding: 20px;
            }

            h1 {
                font-size: 22px;
            }

            .modal-content {
                padding: 20px;
            }
        }