.ortak-app-shell {
    display: flex;
    min-height: 100vh;
}

.ortak-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: var(--ortak-sidebar-width);
    height: 100vh;
    background: var(--ortak-primary-deep);
    color: #fff;
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease, transform 0.2s ease;
    overflow: hidden;
}

.ortak-sidebar.is-collapsed {
    width: var(--ortak-sidebar-collapsed);
}

.ortak-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: var(--ortak-topbar-height);
}

.ortak-sidebar-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--ortak-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.ortak-sidebar-brand-text {
    font-weight: 700;
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
}

.ortak-sidebar.is-collapsed .ortak-sidebar-brand-text,
.ortak-sidebar.is-collapsed .ortak-nav-label,
.ortak-sidebar.is-collapsed .ortak-nav-section-title {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.ortak-sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
}

.ortak-nav-section-title {
    padding: 0.75rem 1.25rem 0.35rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.45);
    white-space: nowrap;
}

.ortak-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1.25rem;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none !important;
    border-left: 3px solid transparent;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.ortak-nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.ortak-nav-item.is-active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-left-color: var(--ortak-accent);
}

.ortak-nav-icon {
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.9;
}

.ortak-sidebar-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ortak-main-wrap {
    flex: 1;
    margin-left: var(--ortak-sidebar-width);
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.2s ease;
}

body.sidebar-collapsed .ortak-main-wrap {
    margin-left: var(--ortak-sidebar-collapsed);
}

.ortak-topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--ortak-topbar-height);
    padding: 0 1.25rem;
    background: var(--ortak-card);
    border-bottom: 1px solid var(--ortak-border);
}

.ortak-topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ortak-topbar-title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 600;
}

.ortak-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ortak-topbar-user {
    font-size: 0.8125rem;
    color: var(--ortak-muted);
}

.ortak-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--ortak-border);
    border-radius: var(--ortak-radius-sm);
    background: var(--ortak-card);
    color: var(--ortak-text);
    cursor: pointer;
}

.ortak-btn-icon:hover {
    background: var(--ortak-surface);
}

.ortak-btn-logout {
    font-size: 0.8125rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--ortak-border);
    border-radius: var(--ortak-radius-sm);
    background: transparent;
    color: var(--ortak-text);
    cursor: pointer;
}

.ortak-btn-logout:hover {
    background: var(--ortak-surface);
}

.ortak-alarm-strip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.8125rem;
    background: rgba(34, 197, 94, 0.12);
    border-bottom: 1px solid rgba(34, 197, 94, 0.25);
    color: var(--ortak-status-ok);
}

.ortak-alarm-strip.is-warning {
    background: rgba(245, 158, 11, 0.12);
    border-bottom-color: rgba(245, 158, 11, 0.25);
    color: var(--ortak-alarm-warning);
}

.ortak-main-content {
    flex: 1;
    background: var(--ortak-surface);
}

.ortak-public-nav {
    background: var(--ortak-primary-deep) !important;
    box-shadow: var(--ortak-shadow);
}

.ortak-public-nav .navbar-brand {
    font-weight: 700;
    color: #fff !important;
}

.ortak-public-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 0.875rem;
    font-weight: 500;
}

.ortak-public-nav .nav-link:hover {
    color: #fff !important;
}

.ortak-public-body {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
    min-height: calc(100vh - 120px);
}

.ortak-public-footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--ortak-border);
    color: var(--ortak-muted);
    font-size: 0.8125rem;
}

.ortak-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1035;
}

@media (max-width: 991.98px) {
    .ortak-sidebar {
        transform: translateX(-100%);
        width: min(var(--ortak-sidebar-width), 88vw) !important;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
    }

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

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

    .ortak-sidebar-backdrop.is-visible {
        display: block;
    }

    .ortak-sidebar-footer {
        display: none;
    }

    body.ortak-sidebar-open {
        overflow: hidden;
    }
}

.ortak-theme-toggle .ortak-theme-icon-dark {
    display: none;
}

[data-theme="dark"] .ortak-theme-toggle .ortak-theme-icon-light {
    display: none;
}

[data-theme="dark"] .ortak-theme-toggle .ortak-theme-icon-dark {
    display: inline;
}

.ortak-public-nav .ortak-theme-toggle {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.ortak-public-nav .ortak-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .ortak-alarm-strip {
    background: rgba(153, 204, 0, 0.15);
    border-bottom-color: rgba(153, 204, 0, 0.3);
}

[data-theme="dark"] .ortak-alarm-strip.is-warning {
    background: rgba(251, 140, 0, 0.15);
    border-bottom-color: rgba(251, 140, 0, 0.3);
}