/* ==========================================================
   SIDEBAR BACKDROP
========================================================== */

#sidebarBackdrop{
    position:fixed;
    inset:0;
    z-index:999;

    background:rgba(0,0,0,.65);

    opacity:0;
    visibility:hidden;
    pointer-events:none;

    transition:
        opacity .45s ease,
        visibility .45s ease;
}

#sidebarBackdrop.show{

    opacity:1;
    visibility:visible;
    pointer-events:auto;
}

/* ==========================================================
   SIDEBAR
========================================================== */

#sidebar{

    position:fixed;
    top:0;
    left:0;
    z-index:1000;

    width:min(400px,94vw);
    height:100vh;

    display:flex;
    flex-direction:column;

    padding:28px 20px;

    background:var(--surface-1);

    color:var(--text-primary);

    border-right:1px solid var(--border);

    box-shadow:18px 0 40px rgba(0,0,0,.45);

    overflow-y:auto;

    transform:translateX(-105%);

    transition:transform .5s ease;
}

#sidebar,
#sidebar *{
    box-sizing:border-box;
}

#sidebar.open{

    transform:translateX(0);
}

/* ==========================================================
   MENU BUTTON
========================================================== */

#sidebarTab{

    position:fixed;

    top:18px;
    left:18px;

    /* anchor for .sidebar-tab-badge, which is positioned
       absolutely at this button's corner */

    z-index:1200;

    width:50px;
    height:50px;

    display:grid;
    place-items:center;

    border:1px solid var(--border);

    border-radius:50%;

    background:var(--surface-4);

    color:var(--text-primary);

    font-size:1.4rem;

    box-shadow:var(--shadow-md);

    transition:
        transform .2s ease,
        background .2s ease,
        left .5s ease;
}

#sidebarTab:hover{

    background:var(--gold);

    transform:translateY(-2px);
}

body.sidebar-open #sidebarTab{

    left:min(416px,calc(94vw + 16px));
}

.sidebar-tab-badge{

    position:absolute;

    top:-4px;
    right:-4px;

    min-width:20px;
    height:20px;
    padding:0 5px;

    display:grid;
    place-items:center;

    border:2px solid var(--surface-1);
    border-radius:999px;

    background:var(--danger);
    color:#fff;

    font-size:.68rem;
    font-weight:900;
    line-height:1;
}

.sidebar-tab-badge[hidden]{
    display:none;
}

/* ==========================================================
   HEADER
========================================================== */

.sidebar-header{

    padding-bottom:24px;

    border-bottom:1px solid var(--border);
}

.sidebar-logo{

    margin:0;

    display:flex;

    align-items:center;

    gap:0.5rem;

    color:var(--text-primary);

    font-size:1.7rem;
}

.sidebar-logo-mark{

    width:36px;

    height:36px;

    object-fit:cover;

    object-position:top center;

    border-radius:8px;

    flex-shrink:0;
}

.sidebar-subtitle{

    margin-top:6px;

    color:var(--text-muted);

    font-size:.92rem;
}

/* ==========================================================
   SEARCH
========================================================== */

.sidebar-search{

    width:100%;

    margin:0;

    padding:13px 16px;

    background:var(--surface-3);

    color:var(--text-primary);

    border:1px solid var(--border);

    border-radius:var(--radius-md);

    outline:none;

    transition:.25s;
}

.sidebar-search::placeholder{

    color:var(--text-muted);
}

.sidebar-search:focus{

    border-color:var(--gold);

    box-shadow:0 0 0 4px rgba(78,143,255,.18);
}

/* ==========================================================
   NAVIGATION
========================================================== */

.sidebar-nav{

    display:flex;

    flex-direction:column;

    gap:8px;
}

.sidebar-link{

    display:flex;

    align-items:center;

    gap:14px;

    width:100%;

    padding:13px 15px;

    border:1px solid var(--border);

    border-radius:14px;

    background:transparent;

    color:var(--text-secondary);

    font:inherit;
    font-weight:600;
    text-align:left;
    text-decoration:none;
    cursor:pointer;

    transition:
        background .2s,
        color .2s,
        transform .2s;
}

.nav-icon{
    flex-shrink:0;
}

.sidebar-link:hover{

    border-color:var(--gold-light);

    background:var(--surface-4);

    color:var(--text-primary);

    transform:translateX(4px);
}

.sidebar-link.active{

    border-color:var(--gold-light);

    background:var(--gold);

    color:var(--text-primary);

    box-shadow:
        0 0 18px rgba(78,143,255,.35);
}

/* ==========================================================
   PROGRESS
========================================================== */

.sidebar-progress{

    display:none;

    margin-top:auto;

    padding:26px 4px;
}

.sidebar-progress h3{

    margin-bottom:10px;

    color:var(--text-primary);

    font-size:.95rem;
}

.progress-track{

    width:100%;

    height:9px;

    border-radius:999px;

    overflow:hidden;

    background:var(--surface-4);
}

.progress-fill{

    height:100%;

    background:var(--gold);

    border-radius:inherit;

    box-shadow:
        0 0 12px rgba(78,143,255,.5);
}

/* ==========================================================
   SETTINGS
========================================================== */

.sidebar-settings{
    padding:20px 0;
}

.sidebar-search-wrap{
    position:relative;
    margin:24px 0;
}

.sidebar-search-suggestions{
    position:absolute;
    top:calc(100% + 8px);
    right:0;
    left:0;
    z-index:20;
    display:grid;
    gap:5px;
    max-height:310px;
    padding:8px;
    overflow-y:auto;
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    background:var(--surface-2);
    box-shadow:var(--shadow-lg);
}

.sidebar-search-suggestions[hidden]{
    display:none;
}

.sidebar-search-suggestion{
    display:grid;
    gap:2px;
    padding:9px 10px;
    border:1px solid transparent;
    border-radius:10px;
    color:var(--text-primary);
    text-decoration:none;
}

.sidebar-search-suggestion:hover,
.sidebar-search-suggestion:focus{
    border-color:var(--gold-light);
    background:var(--surface-4);
    outline:none;
}

.sidebar-search-suggestion small{
    color:var(--text-muted);
}

.sidebar-notification-badge{
    min-width:22px;
    margin-left:auto;
    padding:3px 6px;
    border-radius:999px;
    background:var(--danger);
    color:#fff;
    font-size:.7rem;
    font-weight:900;
    line-height:1;
    text-align:center;
}

.sidebar-notification-badge[hidden]{
    display:none;
}

.sidebar-settings + .sidebar-progress{
    margin-top:0;
}

.sidebar-admin{
    margin-top:-12px;
    padding-top:0;
}

.sidebar-admin + .sidebar-progress{
    margin-top:0;
}

.sidebar-admin .sidebar-settings-button{
    text-decoration:none;
}

.sidebar-settings-button{
    display:flex;
    align-items:center;
    gap:14px;

    width:100%;
    padding:13px 15px;

    border:1px solid var(--border);
    border-radius:14px;

    background:transparent;
    color:var(--text-secondary);

    font:inherit;
    font-weight:600;
    text-align:left;
    cursor:pointer;

    transition:
        background .2s,
        border-color .2s,
        color .2s,
        transform .2s;
}

.sidebar-settings-button:hover,
.sidebar-settings-button[aria-expanded="true"]{
    border-color:var(--border);
    background:var(--surface-4);
    color:var(--text-primary);
    transform:translateX(4px);
}

.sidebar-theme-panel{
    margin-top:10px;
    padding:14px;

    border:1px solid var(--border);
    border-radius:var(--radius-md);

    background:var(--surface-2);
}

.sidebar-theme-panel[hidden]{
    display:none;
}

.sidebar-theme-heading{
    margin:0 0 10px;
    color:var(--text-muted);
    font-size:.8rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.06em;
}

.sidebar-theme-options{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:8px;

    max-height:320px;
    padding:2px;
    overflow-y:auto;
}

.sidebar-theme-button{
    display:flex;
    align-items:center;
    gap:8px;

    padding:9px 10px;

    border:1px solid var(--border);
    border-radius:10px;

    background:var(--surface-3);
    color:var(--text-secondary);

    font:inherit;
    font-size:.82rem;
    font-weight:700;
    cursor:pointer;
}

.sidebar-theme-button:hover{
    background:var(--surface-4);
    color:var(--text-primary);
}

.sidebar-theme-button[aria-pressed="true"]{
    border-color:var(--gold);
    color:var(--text-primary);
    box-shadow:0 0 0 2px var(--gold);
}

.sidebar-theme-swatch{
    width:16px;
    height:16px;
    flex-shrink:0;

    border:2px solid rgba(255,255,255,.65);
    border-radius:50%;
}

/* ==========================================================
   PROFILE
========================================================== */

.sidebar-profile{

    display:flex;

    align-items:center;

    gap:12px;

    padding-top:22px;

    border-top:1px solid var(--border);
}

.profile-avatar{

    width:46px;
    height:46px;

    display:grid;
    place-items:center;

    border-radius:50%;

    background:var(--gold);

    color:var(--text-primary);

    font-weight:800;
}

.profile-name{

    margin:0;

    color:var(--text-primary);

    font-weight:700;
}

.profile-status{

    margin-top:3px;

    color:var(--text-muted);

    font-size:.82rem;
}

/* ==========================================================
   BODY STATE
========================================================== */

body.sidebar-open{

    overflow:hidden;
}

/* ==========================================================
   SCROLLBAR
========================================================== */

#sidebar::-webkit-scrollbar{

    width:8px;
}

#sidebar::-webkit-scrollbar-track{

    background:var(--surface-1);
}

#sidebar::-webkit-scrollbar-thumb{

    background:var(--border);

    border-radius:999px;
}

#sidebar::-webkit-scrollbar-thumb:hover{

    background:var(--gold);
}

/* ==========================================================
   MOBILE
========================================================== */

@media(max-width:480px){

    #sidebar{

        width:88vw;

        padding:22px 16px;
    }

    #sidebarTab{

        top:12px;
        left:12px;

        width:46px;
        height:46px;
    }

    body.sidebar-open #sidebarTab{

        left:calc(94vw - 54px);
    }

}