/* SlopeLog 2.0 — Sidebar Layout */

/* ── App shell ─────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    margin-left: var(--sl-sidebar-width);
    transition: margin-left 0.25s ease;
}

.main-area > main { flex: 1; }

/* ── Sidebar ───────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sl-sidebar-width);
    background-color: var(--sl-sidebar-bg);
    border-right: 1px solid var(--sl-sidebar-border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width 0.25s ease, transform 0.25s ease;
    overflow: hidden;
    box-shadow: var(--sl-shadow-sm);
}

/* Collapsed state (desktop) */
.sidebar.collapsed {
    width: var(--sl-sidebar-collapsed);
}
.sidebar.collapsed ~ .main-area {
    margin-left: var(--sl-sidebar-collapsed);
}
.sidebar.collapsed .sl-nav-label,
.sidebar.collapsed .sl-brand-text,
.sidebar.collapsed .sl-section-label,
.sidebar.collapsed .sl-nav-chevron {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
}

/* Brand / logo area */
.sl-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--sl-sidebar-border);
    text-decoration: none;
    color: var(--sl-text-primary);
    flex-shrink: 0;
}
.sl-sidebar-brand:hover { color: var(--sl-slope); }

.sl-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--sl-slope);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
    color: white;
}

.sl-brand-text {
    transition: opacity 0.2s ease, width 0.2s ease;
    overflow: hidden;
    white-space: nowrap;
}
.sl-brand-name { font-weight: 700; font-size: 1.05rem; line-height: 1.2; }
.sl-brand-tagline { font-size: 0.72rem; color: var(--sl-text-muted); }

/* Toggle button */
.sl-sidebar-toggle {
    position: absolute;
    top: 1.25rem;
    right: -14px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--sl-sidebar-bg);
    border: 1px solid var(--sl-sidebar-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    color: var(--sl-text-muted);
    font-size: 0.75rem;
    transition: all 0.2s ease;
    box-shadow: var(--sl-shadow-sm);
}
.sl-sidebar-toggle:hover {
    background: var(--sl-slope);
    color: white;
    border-color: var(--sl-slope);
}

/* Navigation */
.sl-nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 0.75rem 0; }
.sl-nav::-webkit-scrollbar { width: 4px; }
.sl-nav::-webkit-scrollbar-thumb { background: var(--sl-border); border-radius: 2px; }

.sl-section-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sl-text-faint);
    padding: 0.75rem 1rem 0.25rem;
    transition: opacity 0.2s ease, width 0.2s ease;
    overflow: hidden;
    white-space: nowrap;
}

.sl-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1rem;
    color: var(--sl-sidebar-text);
    text-decoration: none;
    border-radius: 0.5rem;
    margin: 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
    position: relative;
}
.sl-nav-item i {
    font-size: 1.05rem;
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}
.sl-nav-item:hover {
    background-color: var(--sl-sidebar-item-hover);
    color: var(--sl-text-primary);
    text-decoration: none;
}
.sl-nav-item.active {
    background-color: var(--sl-sidebar-item-active);
    color: var(--sl-sidebar-text-active);
    font-weight: 600;
}

.sl-nav-label { transition: opacity 0.2s ease, width 0.2s ease; overflow: hidden; }

/* Sub-items */
.sl-nav-sub { padding-left: 0.5rem; }
.sl-nav-sub .sl-nav-item {
    font-size: 0.82rem;
    font-weight: 400;
    padding: 0.4rem 1rem;
}
.sl-nav-sub .sl-nav-item i { font-size: 0.85rem; }

/* Collapsible section */
.sl-nav-chevron {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--sl-text-faint);
    transition: transform 0.2s ease, opacity 0.2s ease, width 0.2s ease;
}
.sl-nav-parent[aria-expanded="true"] .sl-nav-chevron { transform: rotate(90deg); }

/* User section at bottom */
.sl-sidebar-user {
    flex-shrink: 0;
    border-top: 1px solid var(--sl-sidebar-border);
    padding: 0.75rem 0.5rem;
}
.sl-user-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 0.5rem;
    color: var(--sl-sidebar-text);
    text-decoration: none;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease;
    white-space: nowrap;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
}
.sl-user-item:hover {
    background-color: var(--sl-sidebar-item-hover);
    color: var(--sl-text-primary);
    text-decoration: none;
}
.sl-user-item i {
    font-size: 1rem;
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}

.sl-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--sl-slope-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--sl-slope);
    font-weight: 700;
    flex-shrink: 0;
}

/* Tooltip for collapsed sidebar */
.sidebar.collapsed .sl-nav-item::after {
    content: attr(data-label);
    position: absolute;
    left: calc(var(--sl-sidebar-collapsed) - 4px);
    background: var(--sl-bg-card);
    color: var(--sl-text-primary);
    padding: 0.3rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.8rem;
    white-space: nowrap;
    box-shadow: var(--sl-shadow-md);
    border: 1px solid var(--sl-border);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 100;
}
.sidebar.collapsed .sl-nav-item:hover::after { opacity: 1; }

/* Mobile overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1039;
}
.sidebar-overlay.show { display: block; }

/* ── Mobile: drawer from left ──────────────────────── */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sl-sidebar-width) !important;
    }
    .sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: var(--sl-shadow-lg);
    }

    .main-area { margin-left: 0 !important; }

    /* Mobile top bar */
    .mobile-topbar {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 0.75rem 1rem;
        background: var(--sl-bg-card);
        border-bottom: 1px solid var(--sl-border);
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: var(--sl-shadow-sm);
    }
    .mobile-topbar-brand { font-weight: 700; font-size: 1rem; color: var(--sl-text-primary); text-decoration: none; }
    .mobile-topbar-brand:hover { color: var(--sl-slope); }
}

@media (min-width: 992px) {
    .mobile-topbar { display: none !important; }
}

/* ── Public pages (not authenticated) — top navbar ── */
.top-navbar-wrapper + .main-area-public { margin-left: 0 !important; }