.mt-box {
    max-width: 800px;
    margin: 30px auto;
    padding: 25px 30px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    border: 1px solid #e4e4e4;
    font-family: inherit;
}

.mt-box h2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 24px;
    font-weight: 700;
    color: #222;
}

.mt-form label {
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 14px;
}

.mt-form input[type="text"],
.mt-form input[type="email"],
.mt-form input[type="file"],
.mt-form textarea {
    width: 100%;
    padding: 9px 11px;
    border-radius: 6px;
    border: 1px solid #d0d4dc;
    font-size: 14px;
    box-sizing: border-box;
}

.mt-form input[type="text"]:focus,
.mt-form input[type="email"]:focus,
.mt-form textarea:focus {
    border-color: #3a5997;
    outline: none;
    box-shadow: 0 0 0 1px rgba(58,89,151,0.15);
}

.mt-counter {
    margin-top: 6px;
    font-size: 13px;
    color: #555;
    background: #f4f7fb;
    padding: 8px 10px;
    border-radius: 6px;
    display: inline-block;
}

.mt-btn {
    margin-top: 18px;
    padding: 10px 22px;
    border-radius: 999px;
    border: none;
    background: #3a5997;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    font-size: 15px;
}

.mt-btn:hover {
    background: #2f4a82;
}

.mt-error,
.mt-success {
    margin-bottom: 15px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
}

.mt-error {
    background: #ffe5e5;
    color: #b90000;
    border: 1px solid #ffb3b3;
}

.mt-success {
    background: #e2f7e9;
    color: #146c36;
    border: 1px solid #b4e4c4;
}