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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #26b050, #1f7f3f);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 15px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 40px rgba(38,176,80,0.15);
    text-align: center;
    animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #26b050;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #666;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.otp-inputs {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

    .otp-inputs input {
        width: 50px;
        height: 55px;
        font-size: 1.5rem;
        text-align: center;
        border: 2px solid #e9ecef;
        border-radius: 10px;
        outline: none;
        transition: border-color 0.3s;
    }

        .otp-inputs input:focus {
        border-color: #1f7f3f;
            box-shadow: 0 0 5px rgba(38,176,80,0.3);
        }

.verify-button {
    background: linear-gradient(135deg, #26b050, #1f7f3f);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    width: 100%;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

    .verify-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 20px rgba(38,176,80,0.3);
    }

.error-message, .success-message {
    display: none;
    margin-bottom: 1rem;
    padding: 0.8rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
}

.success-message {
    background: #d4edda;
    color: #155724;
}

.resend {
    margin-top: 1.2rem;
    font-size: 0.9rem;
    color: #555;
}

    .resend a {
        color: #1f7f3f;
        font-weight: bold;
        text-decoration: none;
    }

        .resend a:hover {
            text-decoration: underline;
        }