.sidebar {
    width: var(--sidebar-width);
    flex: none;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 20px 14px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 6px 10px 12px;
}

.sidebar-brand .brand-mark {
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(155deg, var(--accent-green), #1c8c58);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 18px -4px rgba(53, 208, 127, 0.55);
}

.sidebar-brand .brand-mark svg { width: 19px; height: 19px; color: #06251a; }

.sidebar-brand .brand-name {
    font-weight: 700;
    font-size: 14.5px;
    line-height: 1.2;
}

.sidebar-brand .brand-sub {
    font-size: 11px;
    color: var(--text-faint);
}

.sidebar-active-server {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 4px 18px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.sidebar-active-server:hover {
    background: var(--card-hover-bg);
    color: inherit;
    border-color: var(--accent-green-25);
}

.sidebar-active-server-icon {
    width: 22px;
    height: 22px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.sidebar-active-server-icon svg { width: 16px; height: 16px; }

.sidebar-active-server-name {
    font-size: 12.5px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 6px;
    /* .sidebar is a fixed-height (100vh) flex column with no overflow handling of its own - once
       enough game types + Administration links are added, the nav silently overflowed past the
       viewport bottom with no way to reach the last items (confirmed: "Infrastructure vocale" was
       cut off). flex:1 + min-height:0 lets this specific child shrink and scroll instead, while
       sidebar-brand/sidebar-active-server above and sidebar-footer below stay fixed in place. */
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.sidebar-section-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--text-faint);
    padding: 16px 12px 6px;
}

.sidebar-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 600;
    transition: background var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out),
                padding-left var(--duration-fast) var(--ease-out);
}

.sidebar-link svg {
    width: 18px;
    height: 18px;
    flex: none;
    opacity: 0.85;
    transition: opacity var(--duration-fast) var(--ease-out), filter var(--duration-fast) var(--ease-out);
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.035);
    color: var(--text);
    padding-left: 16px;
}

.sidebar-link:hover svg { opacity: 1; }

.sidebar-link.active {
    background: linear-gradient(90deg, var(--accent-green-10), transparent);
    color: var(--text);
}

.sidebar-link.active svg {
    opacity: 1;
    color: var(--accent-green);
    filter: drop-shadow(0 0 6px rgba(53, 208, 127, 0.6));
}

.sidebar-link.active::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: var(--radius-pill);
    background: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

.sidebar-footer {
    margin-top: auto;
    padding: 14px 12px 4px;
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-faint);
}

@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        z-index: 1040;
        transition: transform var(--duration-base) var(--ease-out);
        box-shadow: 24px 0 48px -24px rgba(0, 0, 0, 0.6);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-scrim {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1030;
    }

    .sidebar-scrim.show {
        display: block;
    }
}