body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f5f4f2;
}

#login_wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#login_wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#Tz_Login {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

#title {
    margin: 0 0 30px;
    padding: 0;
    color: #1099ff;
    text-align: center;
    font-size: 28px;
}

.txt {
    position: relative;
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.txt:focus {
    border-color: #1099ff;
    outline: none;
}

.but {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: none;
    border-radius: 4px;
    background: #1099ff;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.but:hover {
    background: #0077cc;
}

.error {
    color: #ff3333;
    text-align: center;
    margin-bottom: 15px;
}

.success {
    color: #00cc00;
    text-align: center;
    margin-bottom: 15px;
}

.verification-group {
    display: flex;
    gap: 10px;
    margin: 8px 0;
}

.verification-group input {
    flex: 1;
}

.verification-group button {
    padding: 0 15px;
    background: #27b6ed;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.verification-group button:hover {
    background: #1a8bba;
}

.captcha-group {
    text-align: center;
    margin: 15px 0;
}

.captcha-group img {
    margin-bottom: 8px;
    border-radius: 4px;
    cursor: pointer;
}