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

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

        .container {
            background: white;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            padding: 40px;
            max-width: 400px;
            width: 100%;
        }

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

        .logo h1 {
            font-size: 28px;
            color: #333;
            margin-bottom: 8px;
        }

        .logo p {
            color: #666;
            font-size: 14px;
        }

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

        label {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-weight: 500;
            font-size: 14px;
        }

        input[type="text"],
        select {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            font-size: 16px;
            font-family: inherit;
            transition: border-color 0.3s ease;
        }

        input[type="text"]:focus,
        select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }

        .submit-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(231, 76, 60, 0.4);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        .submit-btn.loading {
            opacity: 0.8;
            pointer-events: none;
        }

        .spinner {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 2px 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); }
        }

        .message {
            margin-top: 20px;
            padding: 12px;
            border-radius: 6px;
            text-align: center;
            font-size: 14px;
            display: none;
        }

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

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

        .info {
            background-color: #f0f4ff;
            border-left: 4px solid #667eea;
            padding: 12px;
            border-radius: 4px;
            font-size: 13px;
            color: #555;
            margin-top: 20px;
            line-height: 1.5;
        }