/* =========================================================
   sidebar.css — sidebar navigation and brand
   Loaded on every page.
   ========================================================= */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 220px;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--paper-alt);
    display: flex;
    flex-direction: column;
    transition: width 0.22s cubic-bezier(0.4,0,0.2,1);
    will-change: width;
    z-index: 100;
}

.sidebar-collapsed .sidebar {
    width: 72px;
}

/* ---- Header ---- */

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 14px 10px 10px 14px;
    margin-bottom: 4px;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-collapsed .sidebar-header {
    padding: 4px 8px;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 10px;
}

.brand-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background 0.12s ease, padding 0.22s cubic-bezier(0.4,0,0.2,1), border-radius 0.22s ease;

    &:hover {
        background: color-mix(in srgb, var(--ink) 7%, var(--paper-alt));
    }
}

.sidebar-collapsed .brand-icon-btn {
    padding: 9px;
    border-radius: 10px;
    width: 100%;
}

.sidebar-brand-text-link {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    color: var(--ink) !important;
    text-decoration: none !important;
    transition: opacity 0.18s ease, max-width 0.22s cubic-bezier(0.4,0,0.2,1);
    max-width: 160px;

    &:hover { text-decoration: none !important; }
}

.sidebar-collapsed .sidebar-brand-text-link {
    opacity: 0;
    max-width: 0;
    pointer-events: none;
}

.sidebar-brand-text {
    overflow: hidden;
}

/* ---- Nav sections ---- */

.sidebar-nav {
    flex: 1 1 0;
    padding: 0 8px;
}

.sidebar-section {
    margin-bottom: 4px;
}

.sidebar-section + .sidebar-section {
    margin-top: 2px;
}

.sidebar-collapsed .sidebar-section + .sidebar-section {
    border-top: 1px solid var(--rule);
    padding-top: 6px;
    margin-top: 6px;
}

.sidebar-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    padding: 10px 12px 4px;
    white-space: nowrap;
    overflow: hidden;
    max-height: 32px;
    transition: opacity 0.15s ease, max-height 0.22s cubic-bezier(0.4,0,0.2,1), padding 0.22s ease;
}

.sidebar-collapsed .sidebar-label {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 9px 12px;
    margin: 1px 0;
    color: var(--ink-soft);
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 10px;
    background: transparent;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.12s ease, color 0.12s ease, padding 0.22s cubic-bezier(0.4,0,0.2,1), gap 0.22s cubic-bezier(0.4,0,0.2,1);

    &:hover {
        color: var(--ink);
        background: color-mix(in srgb, var(--ink) 7%, var(--paper-alt));
        text-decoration: none;
    }

    &.active {
        color: var(--ink);
        background: color-mix(in srgb, var(--amber) 18%, var(--paper-alt));
        font-weight: 600;
    }
}

.sidebar-collapsed .sidebar-nav a {
    padding: 9px;
    justify-content: center;
    gap: 0;
}

.sidebar-nav-label {
    overflow: hidden;
    transition: opacity 0.12s ease, max-width 0.22s cubic-bezier(0.4,0,0.2,1);
    max-width: 160px;
}

.sidebar-collapsed .sidebar-nav-label {
    opacity: 0;
    max-width: 0;
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ---- Auth section ---- */

.sidebar-auth {
    margin-top: auto;
    padding: 12px 0 0;
    border-top: 1px solid var(--rule);
    overflow: hidden;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px 12px;
    transition: padding 0.22s cubic-bezier(0.4,0,0.2,1), justify-content 0s;
}

.sidebar-collapsed .sidebar-user {
    padding: 8px;
    justify-content: center;
}

.sidebar-user-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
    overflow: hidden;
    transition: opacity 0.15s ease, max-width 0.22s cubic-bezier(0.4,0,0.2,1);
    max-width: 140px;
}

.sidebar-collapsed .sidebar-user-info {
    opacity: 0;
    max-width: 0;
}

.sidebar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-username {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;

    &:hover { text-decoration: underline; text-underline-offset: 3px; }
}

.sidebar-logout-link {
    font-size: 11px;
    color: var(--ink-muted);
    text-decoration: none;
    white-space: nowrap;

    &:hover {
        color: var(--ink-soft);
        text-decoration: underline;
        text-underline-offset: 2px;
    }
}

.sidebar-login-link {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 2px 8px 12px;
    padding: 9px 12px;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 10px;
    color: var(--rust);
    background: color-mix(in srgb, var(--rust) 10%, var(--paper-alt));
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    transition: background 0.12s ease, padding 0.22s cubic-bezier(0.4,0,0.2,1), gap 0.22s cubic-bezier(0.4,0,0.2,1);

    &:hover {
        background: color-mix(in srgb, var(--rust) 16%, var(--paper-alt));
        text-decoration: none;
    }
}

.sidebar-collapsed .sidebar-login-link {
    padding: 9px;
    justify-content: center;
    gap: 0;
    margin: 2px 8px 12px;
}

/* ---- Sidebar art ---- */

.sidebar-art {
    border-top: 1px solid var(--rule);
    overflow: hidden;
    position: relative;
    max-height: 300px;
    transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.2s ease, border-color 0.22s ease;
}

.sidebar-collapsed .sidebar-art {
    max-height: 0;
    opacity: 0;
    border-top-color: transparent;
}

.sidebar-art-img {
    display: block;
    width: 100%;
    height: auto;
    opacity: 0.88;
    transition: opacity 0.2s ease;
}

.sidebar-art-img:hover { opacity: 1; }

@media (max-width: 900px) {
    .sidebar { display: none; }
}

/* ---- Platter ---- */

.sidebar-platter {
    position: absolute;
    width: 73px;
    top: 16px;
    left: 73px;
    cursor: pointer;
    transition: filter 0.15s ease;

    &:hover { filter: brightness(1.15); }
}

.sidebar-platter.spinning { animation: rotate 3s linear infinite; }

/* ---- Brand ---- */

.brand-icon {
    width: 34px;
    height: 34px;
    color: var(--rust);
    flex-shrink: 0;
    animation: rotate 24s linear infinite;
    transition: width 0.22s cubic-bezier(0.4,0,0.2,1), height 0.22s cubic-bezier(0.4,0,0.2,1);
    display: block;
}

.sidebar-collapsed .brand-icon {
    width: 20px;
    height: 20px;
}

.brand-text {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 20px;
    font-weight: 550;
    line-height: 1.1;
    letter-spacing: -0.01em;
    white-space: nowrap;

    em {
        font-style: oblique;
        color: var(--rust);
        font-weight: 400;
    }
}

.brand-discogs-logo {
    display: block;
    color: var(--rust);
    line-height: 0;

    svg { height: 25px; width: auto; display: block; }
}