.sidebar {
    position: sticky;
    top: var(--space-6);
    align-self: start;
    display: grid;
    gap: var(--space-6);
    padding: var(--space-5);
    overflow: hidden;
}

.sidebar::before,
.topbar::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.78), transparent 34%),
        linear-gradient(135deg, rgba(232, 237, 235, 0.22), transparent 60%);
}

.brand-lockup {
    display: grid;
    gap: var(--space-2);
}

.brand-mark {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 1rem;
    background: linear-gradient(135deg, rgba(35, 68, 56, 0.98), rgba(91, 128, 112, 0.78));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.brand-mark--nest {
    position: relative;
}

.brand-mark--nest::before,
.brand-mark--nest::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
}

.brand-mark--nest::before {
    width: 1.35rem;
    height: 0.28rem;
    left: 0.72rem;
    top: 1.18rem;
    transform: rotate(32deg);
}

.brand-mark--nest::after {
    width: 1.1rem;
    height: 0.28rem;
    left: 0.82rem;
    top: 1.05rem;
    transform: rotate(-36deg);
}

.sidebar-brand {
    gap: var(--space-4);
}

.sidebar-brand__row {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin-bottom: 0.35rem;
}

.sidebar-brand__badge,
.sidebar-section-label {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sidebar-brand__badge {
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    color: #305346;
    background: rgba(137, 168, 156, 0.16);
    border: 1px solid rgba(137, 168, 156, 0.28);
}

.sidebar-section-label {
    color: var(--color-text-soft);
    margin-bottom: var(--space-2);
}

.nav-list {
    display: grid;
    gap: var(--space-2);
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    color: var(--color-text-soft);
    border: 1px solid transparent;
    transition:
        background-color var(--duration-base) var(--ease-standard),
        color var(--duration-base) var(--ease-standard),
        transform var(--duration-fast) var(--ease-standard),
        border-color var(--duration-base) var(--ease-standard);
}

.nav-link__main {
    display: flex;
    gap: var(--space-3);
    align-items: center;
    min-width: 0;
}

.nav-link__icon {
    width: 2.4rem;
    height: 2.4rem;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 0.85rem;
    background: rgba(245, 248, 247, 0.88);
    border: 1px solid rgba(200, 211, 207, 0.8);
}

.nav-link__icon svg {
    width: 1.15rem;
    height: 1.15rem;
    fill: currentColor;
}

.nav-link__copy {
    display: grid;
    gap: 0.1rem;
}

.nav-link__copy strong {
    font-size: 0.98rem;
    color: var(--color-text);
}

.nav-link__copy span {
    font-size: var(--text-sm);
    color: var(--color-text-soft);
}

.nav-link__chevron {
    font-size: 1.25rem;
    line-height: 1;
    color: rgba(76, 97, 90, 0.65);
}

.nav-link:hover,
.nav-link.is-active {
    background: rgba(246, 250, 248, 0.96);
    color: var(--color-text);
    border-color: rgba(178, 196, 188, 0.7);
    transform: translateX(2px);
}

.nav-link.is-active {
    box-shadow: 0 12px 28px rgba(54, 78, 71, 0.1);
}

.sidebar-shortcuts {
    display: grid;
    gap: var(--space-2);
}

.sidebar-shortcut {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    align-items: center;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(56, 74, 69, 0.1);
    background: rgba(250, 252, 251, 0.92);
    text-decoration: none;
    color: var(--color-text);
    transition:
        background-color var(--duration-base) var(--ease-standard),
        transform var(--duration-fast) var(--ease-standard);
}

.sidebar-shortcut span {
    color: var(--color-text-soft);
    font-size: var(--text-sm);
}

.sidebar-shortcut:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.98);
}

.topbar {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 247, 246, 0.96));
}

.topbar__title {
    margin-top: 0.75rem;
    font-size: var(--text-2xl);
}

.sidebar-user {
    margin-top: auto;
}

.sidebar-user__card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-3);
    align-items: center;
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(56, 74, 69, 0.1);
    background: rgba(250, 252, 251, 0.94);
}

.sidebar-user__avatar {
    width: 2.8rem;
    height: 2.8rem;
    display: grid;
    place-items: center;
    border-radius: 0.95rem;
    background: linear-gradient(135deg, rgba(35, 68, 56, 0.98), rgba(91, 128, 112, 0.78));
    color: #fff;
    font-weight: 700;
}

.sidebar-logout {
    width: 100%;
    justify-content: center;
}