/* Sidebar Container */
.sidebar {
    width: 236px;
    background: linear-gradient(180deg, #0f2432 0%, #0d202d 100%);
    color: #eaf3fa;
    padding: 8px 0 10px;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    height: calc(100vh - 60px);
    overflow-y: auto;
    border-right: 1px solid #1d3a4a;
    transition: width 0.2s ease;
    z-index: 900;
}

.sidebar-toggle-btn {
    width: 44px;
    height: 44px;
    margin: 0 0 8px 8px;
    border: 1px solid #2b4a5c;
    border-radius: 10px;
    background: #173243;
    color: #f1f8fd;
    font-size: 18px;
    cursor: pointer;
}

.sidebar-section-title {
    padding: 16px 18px 8px;
    font-size: 0.86rem;
    font-weight: 700;
    color: #f5fbff;
    text-transform: capitalize;
    letter-spacing: 0.2px;
}

.sidebar nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar nav ul li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    color: #edf6fc;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.98rem;
    border-radius: 8px;
    margin: 2px 8px;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.sidebar nav ul li a .icon {
    width: 22px;
    text-align: center;
    color: #d9e9f3;
    font-size: 1rem;
    opacity: 0.95;
}

.sidebar nav ul li a .label {
    white-space: nowrap;
}

.sidebar nav ul li a:hover {
    background: #1f3a4a;
    color: #ffffff;
}

.sidebar nav ul li.active a {
    background: #244355;
    color: #ffffff;
}

.sidebar nav ul li.sidebar-subitem a {
    margin-left: 18px;
    padding: 8px 12px;
    font-size: 0.9rem;
    border-radius: 7px;
    color: #cfe1ed;
    background: transparent;
}

.sidebar nav ul li.sidebar-subitem a .icon {
    width: 18px;
    font-size: 0.86rem;
    color: #b9d0df;
}

.sidebar nav ul li.sidebar-subitem.active a {
    background: #1f3a4a;
    color: #ffffff;
}

.sidebar nav ul li.sidebar-subitem a:hover {
    background: #1a3341;
}

.sidebar hr {
    border: 0;
    border-top: 1px solid #264558;
    margin: 14px 14px;
}

/* Collapsed mode */
body.sidebar-collapsed .sidebar {
    width: 64px;
}

body.sidebar-collapsed .sidebar .sidebar-section-title,
body.sidebar-collapsed .sidebar .label {
    display: none;
}

body.sidebar-collapsed .sidebar nav ul li.sidebar-subitem {
    display: none;
}

body.sidebar-collapsed .sidebar nav ul li a {
    justify-content: center;
    padding: 11px 8px;
    margin: 2px 8px;
}

body.sidebar-collapsed .sidebar nav ul li a .icon {
    width: auto;
    margin: 0;
    font-size: 1.05rem;
}

body.sidebar-collapsed .sidebar hr {
    margin: 12px 10px;
}

/* Offset main app layout for fixed sidebar */
.container {
    padding-left: 236px;
    box-sizing: border-box;
}

body.sidebar-collapsed .container {
    padding-left: 64px;
}