:root {
            --primary: #3498db;
            --secondary: #2ecc71;
            --accent: #e74c3c;
            --light: #f9f9f9;
            --dark: #2c3e50;
            --gray: #95a5a6;
        }
        
        .verification-container {
            background-color: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            width: 100%;
            max-width: 500px;
            margin: 30px auto;
            overflow: hidden;
        }
        
        .verification-header {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            padding: 25px;
            font-weight: 700;
            text-align: center;
        }
        
        .verification-header h2 {
            font-size: 24px;
            color: #ddd;
            font-size: 25px;
            margin-bottom: 5px;
        }
        
        .verification-content {
            padding: 25px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        
        input {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        input:focus {
            border-color: var(--primary);
            outline: none;
        }
        
        .error {
            color: var(--accent);
            font-size: 14px;
            margin-top: 5px;
            display: none;
        }
        
        .btn_1 {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            transition: background-color 0.3s;
        }
        
        .btn_1:hover {
            background-color: #2980b9;
        }
        
        .btn-verify {
            background-color: var(--secondary);
            color: #ddd;
        }
        
        .btn-verify:hover {
            background-color: #27ae60;
        }
        
        .verification-steps {
            display: flex;
            justify-content: space-between;
            margin-bottom: 25px;
        }
        
        .step {
            text-align: center;
            flex: 1;
            position: relative;
        }
        
        .step:not(:last-child):after {
            content: '';
            position: absolute;
            top: 15px;
            right: -50%;
            width: 100%;
            height: 2px;
            background-color: #ddd;
            z-index: 1;
        }
        
        .step-number {
            width: 30px;
            height: 30px;
            background-color: #ddd;
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto 10px;
            position: relative;
            z-index: 2;
        }
        
        .step.active .step-number {
            background-color: var(--primary);
        }
        
        .step.completed .step-number {
            background-color: var(--secondary);
        }
        
        .step-text {
            font-size: 12px;
            color: var(--gray);
        }
        
        .step.active .step-text {
            color: var(--dark);
            font-weight: 600;
        }
        
        .verification-message {
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            display: none;
        }
        
        .message-success {
            background-color: #d4edda;
            color: #155724;
            border: 1px solid #c3e6cb;
        }
        
        .message-error {
            background-color: #f8d7da;
            color: #721c24;
            border: 1px solid #f5c6cb;
        }
        
        .countdown {
            text-align: center;
            font-size: 14px;
            color: var(--gray);
            margin-top: 10px;
        }
        
        .resend-link {
            text-align: center;
            margin-top: 15px;
        }
        
        .resend-link a {
            color: var(--primary);
            text-decoration: none;
            cursor: pointer;
        }
        
        .resend-link a:hover {
            text-decoration: underline;
        }
        
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255,255,255,.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .fade-in {
            animation: fadeIn 0.5s ease;
        }