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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .form-container {
            background: white;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 500px;
            padding: 40px;
        }

        .form-header {
            text-align: center;
            margin-bottom: 35px;
        }

        .form-header h1 {
            font-size: 28px;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .form-header p {
            color: #7f8c8d;
            font-size: 15px;
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 8px;
        }

        .form-label .required {
            color: #e74c3c;
        }

        .form-input,
        .form-textarea,
        .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e1e8ed;
            border-radius: 8px;
            font-size: 15px;
            font-family: inherit;
            color: #2c3e50;
            transition: all 0.3s ease;
            background: white;
        }

        .form-input:focus,
        .form-textarea:focus,
        .form-select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
        }

        .form-input.error,
        .form-textarea.error,
        .form-select.error {
            border-color: #e74c3c;
        }

        .form-input.success,
        .form-textarea.success,
        .form-select.success {
            border-color: #2ecc71;
        }

        .form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        .error-message {
            display: none;
            color: #e74c3c;
            font-size: 13px;
            margin-top: 6px;
        }

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

        .success-message {
            display: none;
            color: #2ecc71;
            font-size: 13px;
            margin-top: 6px;
        }

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

        .input-icon {
            position: relative;
        }

        .input-icon .icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 18px;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .input-icon .icon.show {
            opacity: 1;
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .form-checkbox {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .checkbox-label {
            font-size: 14px;
            color: #2c3e50;
            cursor: pointer;
        }

        .checkbox-label a {
            color: #667eea;
            text-decoration: none;
        }

        .checkbox-label a:hover {
            text-decoration: underline;
        }

        .form-button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 10px;
        }

        .form-button:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }

        .form-button:active:not(:disabled) {
            transform: translateY(0);
        }

        .form-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .form-button.loading {
            position: relative;
            color: transparent;
        }

        .form-button.loading::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            margin-left: -10px;
            margin-top: -10px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-top-color: white;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .alert {
            padding: 16px;
            border-radius: 8px;
            margin-bottom: 24px;
            display: none;
        }

        .alert.show {
            display: block;
        }

        .alert-success {
            background: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }

        .alert-error {
            background: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }

        .alert-title {
            font-weight: 600;
            margin-bottom: 4px;
        }

        .char-count {
            text-align: right;
            font-size: 12px;
            color: #95a5a6;
            margin-top: 4px;
        }

        .char-count.warning {
            color: #f39c12;
        }

        .char-count.danger {
            color: #e74c3c;
        }

        @media (max-width: 600px) {
            .form-container {
                padding: 30px 20px;
            }

            .form-header h1 {
                font-size: 24px;
            }
        }