.page-packs {
    grid-template-columns: minmax(16rem, 1fr) minmax(24rem, 3fr) minmax(16rem, 1fr);
}

.packs-sidebar {
    overflow-y: auto;
    padding: 1.5rem 0.75rem 1.5rem 1.5rem;
}

.packs-sidebar__inner {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    max-width: 18rem;
}

.pack-button {
    border: 0;
    border-radius: 0.5rem;
    padding: 1rem;
    min-height: 3rem;
    background: var(--pack-color);
    color: #fff;
    font-family: "Lexend Deca", sans-serif;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: transform 100ms ease, filter 100ms ease, box-shadow 100ms ease;
}

.pack-button:hover {
    filter: brightness(1.06);
    transform: translateX(2px);
}

.pack-button.active {
    box-shadow: 0 0 0 3px var(--color-on-background), 0 3px 10px rgba(0, 0, 0, 0.18);
}

.packs-content {
    overflow-y: auto;
    padding: 2rem 0.75rem 3rem 0;
    min-width: 0;
}

.pack-header {
    border-radius: 0.75rem;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    color: #fff;
    background: linear-gradient(135deg, var(--pack-color), color-mix(in srgb, var(--pack-color), black 22%));
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.14);
}

.pack-header h1 {
    margin: 0.25rem 0;
}

.pack-header p {
    margin: 0;
    opacity: 0.9;
}

.pack-header .type-label-md {
    font-weight: 700;
    letter-spacing: 0.08em;
}

.pack-badge {
    height: 3rem;
    width: 3rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Lexend Deca", sans-serif;
    font-weight: 700;
}

.pack-levels {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pack-level {
    width: 100%;
    border: 1px solid rgba(127, 127, 127, 0.25);
    border-radius: 0.5rem;
    padding: 0.9rem 1rem;
    background: var(--color-background);
    color: var(--color-on-background);
    font: inherit;
    display: grid;
    grid-template-columns: 3rem 1fr 1.5rem;
    gap: 0.75rem;
    align-items: center;
    text-align: left;
    cursor: pointer;
    transition: background-color 100ms ease, transform 100ms ease;
}

.pack-level:hover {
    background: var(--color-background-hover);
    transform: translateX(2px);
}

.pack-level__rank {
    font-family: "Lexend Deca", sans-serif;
    font-weight: 700;
}

.pack-level__name {
    font-family: "Lexend Deca", sans-serif;
    font-weight: 700;
}

.pack-level__arrow {
    font-size: 1.5rem;
    text-align: right;
    opacity: 0.5;
}

.pack-level.error {
    cursor: default;
    opacity: 0.7;
}

.pack-level.error:hover {
    transform: none;
}

.packs-empty code {
    font-family: monospace;
    font-weight: 700;
}

.packs-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

@media screen and (max-width: 900px) {
    .page-packs {
        grid-template-columns: 13rem minmax(0, 1fr);
    }

    .page-packs > :last-child {
        display: none;
    }
}