body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    padding-top: 60px; /* Add padding to prevent content from being hidden under the navbar */
}

.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.nav-links {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007bff;
}





/*KOI*/
:root {
    --color-deep-water: #23384C;
    --color-koi-orange: #FF8B3A;
    --color-lily-pad-green: #4CAF50;
    --color-scale-white: #F5F5F5;
    --color-stone-gray: #707070;
}



.header {
    background-color: var(--color-deep-water);
    color: var(--color-scale-white);
    padding: 1rem;
}

.main-title {
    color: var(--color-koi-orange);
}

.button {
    background-color: var(--color-deep-water);
    color: var(--color-scale-white);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;

}

.button:hover {
    background-color: var(--color-deep-water);
}


.btn-default {
    background-color: #f0f0f0;
    color: #333;
}



.button.active {
    background-color: var(--color-koi-orange);
    color: white;
}


.footer {
    background-color: var(--color-stone-gray);
    color: var(--color-scale-white);
    padding: 1rem;
    text-align: center;
}

.card {
    background-color: var(--color-scale-white);
    border: 1px solid var(--color-stone-gray);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.card-title {
    color: var(--color-deep-water);
    margin-top: 0;
}

a {
    color: var(--color-deep-water);
    text-decoration: none;
}

a:hover {
    color: var(--color-koi-orange);
}

.highlight {
    background-color: var(--color-koi-orange);
    color: var(--color-scale-white);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/*login*/

.login-container{
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.form-container {
    background: var(--color-scale-white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 300px;
}

.form-container h1 {
    text-align: center;
    color: var(--color-stone-gray);
}

.form-container form {
    display: flex;
    flex-direction: column;
}




.input-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.input-group label {
    flex: 0 0 90px;
    text-align: left;
}

.input-group input {
    flex: 1;
    padding: 5px;
    max-width: 300px;
}

input[type="text"],
input[type="password"] {
    padding: 10px;
    border: 1px solid var(--color-stone-gray);
    border-radius: 4px;
}


input[type="submit"] {
    background-color: var(--color-lily-pad-green);
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

input[type="submit"]:hover {
    background-color: var(--color-stone-gray);
}



/*  404 container  */

.container404 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    padding: 70px 20px;
}
.container404 h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
}
.container404 p {
    font-size: 1.2em;
    margin-bottom: 1em;
}
.container404 a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}
.container404 a:hover {
    text-decoration: underline;
}

/*container and sidebar*/
.container {
    display: flex;
    min-height: 100vh;
    flex-direction: row;
}
.sidebar {
    width: 250px;
    background-color: var(--color-lily-pad-green);
    color: var(--color-scale-white);
    padding: 1rem;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}
.content {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}
.sidebar h2 {
    margin-top: 0;
}
.sidebar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}
.sidebar ul li {
    margin-bottom: 10px;
}
.sidebar ul li a {
    text-decoration: none;
    color: var(--color-scale-white);
    display: block;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
}
.sidebar ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }
}