:root {
    --primary: #0a66ff;
    --primary-dark: #004bcc;
    --bg: #eef3ff;
    --white: #fff;
}

body {
    background: var(--bg);
    font-family: 'Inter', sans-serif;
}

.twofa-container {
    width: 95%;
    max-width: 900px;
    margin: 30px auto;
    background: var(--white);
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
}

.twofa-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 25px;
    color: var(--primary);
}

.twofa-box {
    margin-bottom: 25px;
}

.twofa-label {
    font-weight: 700;
    margin-bottom: 8px;
    display: block;
    font-size: 15px;
}

.twofa-input {
    width: 100%;
    height: 65px;
    padding: 12px;
    font-size: 15px;
    border-radius: 12px;
    border: 1px solid #d2e1ff;
    resize: vertical;
    outline: none;
    transition: 0.25s;
}

.twofa-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 102, 255, 0.22);
}

.twofa-btn {
    margin-top: 12px;
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    transition: 0.25s;
}

.twofa-btn:hover {
    background: var(--primary-dark);
}