/* ============================================================
   ITC Dashboard — Layout Styles
   Sidebar + Topbar + Content grid for the dashboard shell
   ============================================================ */

/* --- Dashboard Shell --- */
.dashboard {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-sidebar);
    color: var(--color-text-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: width var(--transition-normal);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-logo {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    min-height: var(--topbar-height);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo img {
    height: 28px;
    width: auto;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-md) 0;
}

.sidebar-section {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.4);
    margin-top: var(--space-md);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.625rem var(--space-lg);
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    background: var(--color-hover-sidebar);
    color: #FFFFFF;
    text-decoration: none;
}

.sidebar-link.active {
    background: var(--color-active-sidebar);
    color: #FFFFFF;
    border-left-color: var(--color-h2-accent);
}

.sidebar-link .icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.75;
}

.sidebar-link.active .icon,
.sidebar-link:hover .icon {
    opacity: 1;
}

.sidebar-footer {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
}


/* --- Main Content Area --- */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}


/* --- Top Bar --- */
.topbar {
    height: var(--topbar-height);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.topbar-hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-near-black-60);
}

.breadcrumb a {
    color: var(--color-cta);
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--color-near-black-40);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Notification bell */
.topbar-notifications {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    color: var(--color-near-black-60);
    font-size: 1.125rem;
}

.topbar-notifications .badge-count {
    position: absolute;
    top: -2px;
    right: -4px;
    background: var(--color-danger);
    color: #FFFFFF;
    font-size: 0.625rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* User menu */
.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}
.topbar-user:hover {
    background: var(--color-sand-40);
}

.topbar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
}

.topbar-username {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-heading);
}

/* User dropdown */
.user-dropdown {
    position: absolute;
    top: calc(var(--topbar-height) - 4px);
    right: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 180px;
    padding: var(--space-xs) 0;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    color: var(--color-text);
    text-decoration: none;
}
.user-dropdown a:hover {
    background: var(--color-sand-20);
    color: var(--color-primary);
    text-decoration: none;
}

.user-dropdown .divider {
    height: 1px;
    background: var(--color-border-light);
    margin: var(--space-xs) 0;
}


/* --- Content Area --- */
.content {
    flex: 1;
    padding: var(--space-xl);
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.content-header h1 {
    margin-bottom: 0;
}

/* Grid for stat cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

/* Two-column layout */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}


/* --- Auth Layout (Login page) --- */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-page);
}

.auth-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: var(--space-2xl);
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo img {
    height: 40px;
    margin: 0 auto;
}

.auth-title {
    text-align: center;
    margin-bottom: var(--space-xl);
    color: var(--color-heading);
}


/* --- Mobile / Responsive --- */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main {
        margin-left: 0;
    }

    .topbar-hamburger {
        display: block;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .content {
        padding: var(--space-md);
    }

    .topbar {
        padding: 0 var(--space-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .topbar-username {
        display: none;
    }
}


/* --- Sidebar overlay on mobile --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(29,29,27,0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}