/* ==========================================================================
   Layout: Top Navigation
   Horizontal nav bar at top, full-width content below
   ========================================================================== */

/* Reset grid from sidebar layout */
.lmsc-dash--topnav {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Hide sidebar elements */
.lmsc-dash--topnav .lmsc-dash__sidebar {
    display: none;
}

/* Main content */
.lmsc-dash--topnav .lmsc-dash__main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 28px 36px;
    width: 100%;
}

/* ── Top navigation bar ── */
.lmsc-dash--topnav .lmsc-dash__topnav {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 6px 8px;
    background: var(--lmsc-surface);
    border: 1px solid var(--lmsc-border);
    border-radius: 16px;
    margin-bottom: 28px;
    overflow-x: auto;
    scrollbar-width: none;
    position: relative;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

/* Right-edge fade hint - indicates overflow / scrollability */
.lmsc-dash--topnav .lmsc-dash__topnav-wrap {
    position: relative;
}
.lmsc-dash--topnav .lmsc-dash__topnav-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 100%;
    background: linear-gradient(to right, transparent, var(--lmsc-surface, #fff));
    border-radius: 0 16px 16px 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.lmsc-dash--topnav .lmsc-dash__topnav-wrap.lmsc-scroll-overflow::after {
    opacity: 1;
}

.lmsc-dash--topnav .lmsc-dash__topnav::-webkit-scrollbar {
    display: none;
}

/* Tab items in top nav */
.lmsc-dash--topnav .lmsc-dash__topnav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 11px;
    font-size: 13px;
    font-weight: 500;
    color: var(--lmsc-text-muted);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    border: none;
    font-family: inherit;
    position: relative;
}

.lmsc-dash--topnav .lmsc-dash__topnav-item:hover {
    color: var(--lmsc-text);
    background: rgba(var(--lmsc-primary-rgb), 0.06);
}

.lmsc-dash--topnav .lmsc-dash__topnav-item--active {
    color: #fff;
    background: var(--lmsc-primary);
    box-shadow: 0 2px 8px rgba(var(--lmsc-primary-rgb), 0.35);
}

/* Icon in top nav */
.lmsc-dash--topnav .lmsc-dash__topnav-item .lmsc-dash__nav-icon {
    width: 18px;
    height: 18px;
}

/* Badge count in top nav */
.lmsc-dash--topnav .lmsc-dash__tab-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}

.lmsc-dash--topnav .lmsc-dash__topnav-item--active .lmsc-dash__tab-badge {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.lmsc-dash--topnav .lmsc-dash__topnav-item:not(.lmsc-dash__topnav-item--active) .lmsc-dash__tab-badge {
    background: rgba(var(--lmsc-primary-rgb), 0.12);
    color: var(--lmsc-primary);
}

/* ── Topnav-specific content overrides ── */

.lmsc-dash--topnav .lmsc-dash__courses-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.lmsc-dash--topnav .lmsc-dash__stats-row {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}



/* ── Responsive ── */
@media (max-width: 1024px) {
    .lmsc-dash--topnav .lmsc-dash__main {
        padding: 20px 24px;
    }
}

@media (max-width: 768px) {
    /* One navigation model per breakpoint (2.3.9.3, audit F-06): the fixed
       bottom tab bar owns mobile navigation, so the top tab strip (which
       clipped badly at this width) is hidden entirely. */
    .lmsc-dash--topnav .lmsc-dash__topnav-wrapper {
        display: none !important;
    }

    .lmsc-dash--topnav .lmsc-dash__main {
        padding: 16px;
    }

    .lmsc-dash--topnav .lmsc-dash__topnav {
        margin-bottom: 16px;
        border-radius: 12px;
    }

    .lmsc-dash--topnav .lmsc-dash__topnav-item {
        padding: 8px 12px;
        font-size: 12px;
    }

    .lmsc-dash--topnav .lmsc-dash__topnav-item .lmsc-dash__nav-icon {
        display: none;
    }
}

@media (max-width: 480px) {
    .lmsc-dash--topnav .lmsc-dash__topnav-item span:not(.lmsc-dash__tab-badge) {
        display: none;
    }

    .lmsc-dash--topnav .lmsc-dash__topnav-item .lmsc-dash__nav-icon {
        display: flex;
    }

    .lmsc-dash--topnav .lmsc-dash__topnav-item {
        padding: 10px 14px;
    }
}