/* ============================================================
   sidebar.css — Sidebar Component Styles
   RTL · Collapsible · Mobile-ready
   ============================================================ */

/* ── Sidebar Shell ──────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: #0f172a;
    display: flex;
    flex-direction: column;
    z-index: 1040;
    overflow: hidden;
    transition: width var(--transition), transform var(--transition);
    box-shadow: -2px 0 20px rgba(0,0,0,.15);
}

/* ── Brand / Logo ───────────────────────────────────────────── */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
    min-height: var(--topbar-height);
    flex-shrink: 0;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-brand-icon {
    width: 38px; height: 38px;
    background: var(--primary);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(26,86,219,.4);
}

.brand-title {
    display: block;
    font-size: .9rem;
    font-weight: 700;
    color: #f1f5f9;
    line-height: 1.2;
}

.brand-subtitle {
    display: block;
    font-size: .7rem;
    color: #64748b;
    font-weight: 400;
}

/* ── Navigation ─────────────────────────────────────────────── */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: .6rem 0;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.1) transparent;
}

.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 2px; }

/* ── Section Labels ─────────────────────────────────────────── */
.sidebar-section-label {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #475569;
    padding: .8rem 1.2rem .3rem;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition);
}

/* ── Nav Links ──────────────────────────────────────────────── */
.sidebar-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .55rem 1.2rem;
    color: #94a3b8;
    font-size: .84rem;
    font-weight: 500;
    border-radius: 0;
    transition: background var(--transition), color var(--transition), padding var(--transition);
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: right;
    position: relative;
}

.sidebar-link:hover {
    background: rgba(255,255,255,.06);
    color: #f1f5f9;
    text-decoration: none;
}

.sidebar-link.active {
    background: rgba(26,86,219,.25);
    color: #93c5fd;
    border-right: 3px solid var(--primary);
}

.sidebar-link.active .sidebar-icon { color: #93c5fd; }

/* ── Sidebar Icons ──────────────────────────────────────────── */
.sidebar-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    color: #64748b;
    transition: color var(--transition);
}

.sidebar-link:hover .sidebar-icon { color: #cbd5e1; }

/* ── Link Text & Badge ──────────────────────────────────────── */
.sidebar-link-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--transition), width var(--transition);
}

.sidebar-badge {
    font-size: .65rem;
    padding: .15rem .45rem;
    transition: opacity var(--transition);
}

/* ── Chevron (collapse indicator) ──────────────────────────── */
.sidebar-chevron {
    font-size: .7rem;
    color: #475569;
    transition: transform var(--transition);
    flex-shrink: 0;
}

.sidebar-link-collapse[aria-expanded="true"] .sidebar-chevron {
    transform: rotate(-90deg);
}

/* ── Submenu ────────────────────────────────────────────────── */
.sidebar-submenu {
    background: rgba(0,0,0,.15);
    overflow: hidden;
}

.sidebar-sublink {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .45rem 1.2rem .45rem 1.5rem;
    color: #64748b;
    font-size: .8rem;
    font-weight: 400;
    transition: color var(--transition), background var(--transition);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-sublink:hover {
    color: #94a3b8;
    background: rgba(255,255,255,.04);
    text-decoration: none;
}

/* ── Footer ─────────────────────────────────────────────────── */
.sidebar-footer {
    padding: .8rem 1.2rem;
    border-top: 1px solid rgba(255,255,255,.07);
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: .7rem;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-user-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    color: #94a3b8;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sidebar-user-name {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: #e2e8f0;
    line-height: 1.2;
}

.sidebar-user-role {
    display: block;
    font-size: .7rem;
    color: #64748b;
}

/* ── Collapsed State ────────────────────────────────────────── */
body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-w);
}

body.sidebar-collapsed .sidebar-section-label,
body.sidebar-collapsed .sidebar-link-text,
body.sidebar-collapsed .sidebar-badge,
body.sidebar-collapsed .sidebar-chevron,
body.sidebar-collapsed .brand-title,
body.sidebar-collapsed .brand-subtitle,
body.sidebar-collapsed .sidebar-user-info {
    opacity: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

body.sidebar-collapsed .sidebar-link {
    padding: .55rem;
    justify-content: center;
    gap: 0;
}

body.sidebar-collapsed .sidebar-brand {
    justify-content: center;
    padding: 1.1rem .7rem;
}

body.sidebar-collapsed .sidebar-footer {
    padding: .8rem .7rem;
}

body.sidebar-collapsed .sidebar-user {
    justify-content: center;
}

body.sidebar-collapsed .sidebar-submenu {
    display: none !important;
}

/* ── Tooltip on collapsed sidebar ──────────────────────────── */
body.sidebar-collapsed .sidebar-link {
    position: relative;
}

body.sidebar-collapsed .sidebar-link:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    right: calc(var(--sidebar-collapsed-w) + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: #1e293b;
    color: #f1f5f9;
    padding: .3rem .7rem;
    border-radius: var(--radius-sm);
    font-size: .78rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 9999;
    box-shadow: var(--shadow-md);
}

/* ── Mobile Overlay ─────────────────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 1039;
    backdrop-filter: blur(2px);
}

/* ── Mobile: Sidebar off-screen by default ──────────────────── */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(100%);
        width: var(--sidebar-width) !important;
    }

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

    body.sidebar-mobile-open .sidebar-overlay {
        display: block;
    }

    body.sidebar-collapsed .sidebar {
        width: var(--sidebar-width) !important;
    }
}