/* ===== ADMIN VARIABLES ===== */
:root {
    --primary-admin: #2c3e50; /* A dark, professional blue-gray */
    --secondary-admin: #34495e; /* A slightly lighter blue-gray */
    --accent-admin: #2980b9; /* A strong blue for highlights */
    --background-admin: #ecf0f1; /* A very light gray background */
    --text-admin: #34495e;
    --white: #ffffff;
    --border-radius: 8px;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ===== ADMIN GLOBAL ===== */
body {
    background-color: var(--background-admin);
    color: var(--text-admin);
    display: flex;
}

#sidebar {
    width: 250px;
    background-color: var(--primary-admin);
    color: var(--white);
    height: 100vh;
    position: fixed;
    padding-top: 20px;
}

#sidebar .logo {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--secondary-admin);
    margin-bottom: 20px;
}

#sidebar .logo a {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

#sidebar .nav-link {
    color: #bdc3c7;
    display: block;
    padding: 12px 20px;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

#sidebar .nav-link:hover, #sidebar .nav-link.active {
    background-color: var(--accent-admin);
    color: var(--white);
}
#sidebar .nav-link.logout {
    position: absolute;
    bottom: 20px;
    width: 100%;
}


#main-content {
    margin-left: 250px;
    padding: 30px;
    width: calc(100% - 250px);
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.card-header {
    background-color: var(--secondary-admin);
    color: var(--white);
    font-weight: bold;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

.btn-primary {
    background-color: var(--accent-admin);
    border-color: var(--accent-admin);
}
.btn-primary:hover {
    opacity: 0.9;
}


/* ===== SIDEBAR TOGGLE & COLLAPSED STATE ===== */
#sidebar-toggle {
    display: none; /* Hidden by default, shown in media query */
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1001;
    background: var(--primary-admin);
    color: var(--white);
    border: 1px solid var(--secondary-admin);
    font-size: 24px;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 5px;
}

@media (max-width: 768px) {
    #sidebar-toggle {
        display: block;
    }

    body:not(.sidebar-collapsed) #sidebar {
        transform: translateX(0);
    }

    body.sidebar-collapsed #sidebar {
        transform: translateX(-100%);
    }

    #sidebar {
        position: fixed;
        z-index: 1000;
        transition: transform 0.3s ease;
    }

    #main-content {
        margin-left: 0;
        width: 100%;
    }
}

.nav-heading {
    font-size: 0.8rem;
    font-weight: bold;
}

#sidebar .nav-flex-column {
    height: 100%;
    display: flex;
    flex-direction: column;
}