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

body {
    background-color: #f9f7ef;
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}


.login-box {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(25, 39, 26, 0.121);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    min-width: 400px;
    margin: 0 auto;
}

.login-box h1 {
    font-family: sans-serif;
    letter-spacing: 1px;
    color: darkgreen;
    text-align: center;
    margin-bottom: 15px;
    font-size: 28px;
}

.gul {
    color: rgb(228, 228, 38);
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group input:focus {
    border-color: darkgreen;
    box-shadow: 0 0 0 3px rgba(102, 137, 90, 0.181);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background-color: darkgreen;
    color: yellow;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 137, 90, 0.181);
}

.btn-login:active {
    transform: translateY(0);
}

.error-message {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 15px;
    padding: 10px;
    background: #fadbd8;
    border-radius: 5px;
    display: none;
    text-align: center;
}

.error-message.show {
    display: block;
}

.success-message {
    color: #27ae60;
    font-size: 13px;
    margin-top: 15px;
    padding: 10px;
    background: #d5f4e6;
    border-radius: 5px;
    display: none;
    text-align: center;
}

.success-message.show {
    display: block;
}

.login-footer {
    margin-top: 25px;
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.login-footer p {
    font-size: 13px;
    color: #666;
    margin: 10px 0;
}

.login-footer a {
    color: darkgreen;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: #764ba2;
}

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }

    .login-box h1 {
        font-size: 24px;
    }
}