body {
    margin: 0;
    padding: 0;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.header {
    background-color: rgba(180, 230, 255, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 5px 0;

    display: flex;
    justify-content: center;
    align-items: center;

    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(100, 200, 255, 0.5);
    position: relative;
    z-index: 100;
}

.main-title-img {
    height: 90px;
    width: auto;
    display: block;

    filter: drop-shadow(0 5px 5px rgba(0,0,0,0.4));
    transition: transform 0.3s ease;
    cursor: pointer;
}

.main-title-img:hover {
    transform: scale(1.15);
}

.container {
    margin: 180px auto;
    max-width: 900px;
    background-color: rgba(180, 230, 255, 0.6);

    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);

    border: 1px solid rgba(100, 200, 255, 0.5);
    border-radius: 15px;

    padding: 40px;

    box-shadow: 0 10px 30px rgba(0,0,0,0.2);

    display: flex;
    flex-direction: column;
    align-items: center;
    width: fit-content;
}

button {
    background-color: #007c91;

    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    margin: 10px 0;

    border-bottom: 3px solid #005662;

    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

button:hover {
    background-color: #00acc1;
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0,0,0,0.3);
}

.auth-title {
    margin-bottom: 20px;
    color: #004d40;
}

.login-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.login-form input,
.login-form button {
    width: 280px;
    padding: 12px;
    border-radius: 8px;
    box-sizing: border-box;
}

.login-form input {
    margin-top: 5px;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 124, 145, 0.3);
    background-color: rgba(255, 255, 255, 0.9);
}

.login-form label {
    width: 280px;
    text-align: left;
    font-weight: bold;
    color: #004d40;
}

.login-form button {
    background-color: #007c91;
    color: white;
    border: none;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    border-bottom: 3px solid #005662;
    transition: all 0.2s;
}

.login-form button:hover {
    background-color: #00acc1;
    transform: translateY(-2px);
}

.auth-footer {
    margin-top: 15px;
    font-size: 0.9em;
}

.auth-footer a {
    color: #004d40;
    font-weight: bold;
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.login-logo {
    height: 80px;
    width: auto;
    display: block;
    margin-bottom: 15px;
    filter: drop-shadow(0 4px 4px rgba(0,0,0,0.3));
}