static/css/style.css

/* body background image */

body {
    background: url("../img/background.webp") no-repeat center center fixed;
    background-size: cover;
}

/* glass sidebar styles */

.glass-sidebar {
    min-width: 200px;         
    max-width: 200px; 
    min-height: 100vh;

    /* Glass blur effect */
    background: rgba(72, 95, 74, 0.45);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);

    /* Rounded edges */
    border-radius: 20px;
    margin: 15px;

    /* Edge shadow*/
    box-shadow:
        inset 0 0 25px rgba(255, 255, 255, 0.04),
        0 12px 32px rgba(0, 0, 0, 0.25);
}

/* sidebar items */

.list-group {
    background: transparent ;
    border: none ;
}

.list-group-item {
    background: transparent ;
    border: none ;
    color: #010202;
    padding: 12px 22px;
    font-size: 0.95rem;
    transition: all 0.25s ease;
    border-radius: 10px;
    font-weight: 500;
}

.sidebar-link i {
    color: #53062a;
}

/* Hover */
.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.15) ;
    color: white ;
    font-weight: 600;
}

.sidebar-link:hover i {
    color: white;
    font-weight: 600;
}

/* Active Highlight Pill */
.sidebar-link.active {
    background: linear-gradient(135deg, #445750, #324e44) ;
    color: white ;
    font-weight: 600;
    border-radius: 12px;
}

.sidebar-link.active i {
    color: white ;
    font-weight: 600;
}

/* Sidebar collapsed state */
.glass-sidebar.collapsed {
    margin-left: -220px;  /* hides it */
    opacity: 0;
    transition: all 0.35s ease;
}

/* Animate opening */
.glass-sidebar {
    transition: all 0.35s ease;
}

/* navbar styles */

.navbar {
    background: #113529 ;
}

.navbar .btn {
    border-color: white;
    color: white;
}

.navbar .btn:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.navbar-title-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.25rem;
    font-weight: 600;   
}

/* cards */

.card-metric {
    border: none;
    border-radius: 16px;
    background: linear-gradient(
        135deg,
        #a5b474 0%,
        #7cc29a 100%
    );
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.06);
    padding: 1.5rem;
}

/* buttons */
.btn-primary {
    background-color: #595951;
    border-color: #302f2c;
}

.btn-primary:hover {
    background-color: #ffffff;
    color: #000000;
}

.btn-secondary {
    background-color: #595951;
    border-color: #302f2c;
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: #000000;
}

/* table */

.table-striped tbody tr:nth-of-type(odd) {
    background-color: #ecfdf5;
}