.app-shell {
    margin-left: calc(var(--src-sidebar-width) + var(--src-floating-gap) * 2);
    padding: var(--src-floating-gap);
    min-height: 100vh;
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: var(--src-floating-gap);
    min-height: calc(100vh - var(--src-floating-gap) * 2);
}













body.app-viewport {
    height: 100dvh;
    overflow: hidden;
}
body.app-viewport .app-shell {
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
}
body.app-viewport .app-content {
    height: 100%;
    min-height: 0;
}
body.app-viewport .topbar {
    flex-shrink: 0;
}
body.app-viewport .content-area {
    min-height: 0;
}
@media (max-width: 900px) {


    body.app-viewport,
    body.app-viewport .app-shell,
    body.app-viewport .app-content {
        height: auto;
        overflow: visible;
    }
}






.content-area {
    flex: 1;
    padding: var(--src-space-8);
    width: 100%;


    background: var(--src-surface-glass-warm);




    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--src-radius-structural);
    border: 1px solid var(--src-border-warm);
    box-shadow:
        0 8px 24px rgba(2, 36, 60, 0.12),
        0 2px 4px rgba(2, 36, 60, 0.15),
        inset 0 2px 0 rgba(255, 255, 255, 1);
    position: relative;
    transition: margin-right var(--src-transition-panel);
}

.content-area.panel-open {
    margin-right: calc(var(--src-panel-width) + var(--src-floating-gap));
}






.content-area--fluid {

}




.prose {
    max-width: 72ch;
}






.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--src-space-4);
    padding-bottom: var(--src-space-4);
    border-bottom: 1px solid var(--src-divider);
    margin-bottom: var(--src-space-3);
}

.page-header-left {
    flex: 1;
    min-width: 0;
}

.page-title {
    font-family: var(--src-font-body);
    font-size: 22px;
    font-weight: var(--src-weight-medium);
    color: var(--src-text-primary);
    line-height: var(--src-leading-tight);
    letter-spacing: -0.01em;
    margin-bottom: var(--src-space-1);
}

.page-subtitle {
    font-size: var(--src-text-sm);
    color: var(--src-text-tertiary);
}






.page-header-actions {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 4px;
    background: var(--src-gray-50);
    border: 1px solid var(--src-border-subtle);
    border-radius: var(--src-radius-secondary);
    flex-shrink: 0;
}

.page-header-actions .btn {
    background: var(--src-surface-solid);
    color: var(--src-text-heading);
    border: 1px solid var(--src-border-subtle);
    border-radius: calc(var(--src-radius-secondary) - 2px);
    box-shadow: var(--src-shadow-1);
    padding: 8px 14px;
    min-height: 0;
    gap: 6px;
    font-size: var(--src-text-sm);
    font-weight: var(--src-weight-semibold);
}

.page-header-actions .btn:hover {
    background: var(--src-surface-solid);
    color: var(--src-text-heading);
    border-color: var(--src-border-medium);
}









.page-tabs {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 4px;
    background: var(--src-gray-50);
    border: 1px solid var(--src-border-subtle);
    border-radius: var(--src-radius-secondary);
    flex-shrink: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--src-gray-300) transparent;
}

.page-tabs::-webkit-scrollbar {
    height: 4px;
}

.page-tabs::-webkit-scrollbar-track {
    background: transparent;
}

.page-tabs::-webkit-scrollbar-thumb {
    background-color: var(--src-gray-300);
    border-radius: var(--src-radius-pill);
}

.page-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: var(--src-text-sm);
    font-weight: var(--src-weight-medium);
    color: var(--src-text-secondary);
    text-decoration: none;
    border-radius: calc(var(--src-radius-secondary) - 2px);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--src-transition-state);
    border: 1px solid transparent;
    line-height: var(--src-leading-tight);
}

.page-tab:hover {
    color: var(--src-text-primary);
    background: var(--src-surface-solid);
}

.page-tab--active {
    color: var(--src-text-heading);
    background: var(--src-surface-solid);
    font-weight: var(--src-weight-semibold);
    border-color: var(--src-border-subtle);
    box-shadow: var(--src-shadow-1);
}

.page-tab--active:hover {
    background: var(--src-surface-solid);
}

.page-tab i {
    font-size: 13px;
    flex-shrink: 0;
}

.page-tab--soon {
    color: var(--src-text-tertiary);
}

.page-tab--soon:hover {
    color: var(--src-text-secondary);
}

.page-tab-badge {
    font-size: 0.5rem;
    font-weight: var(--src-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 1px 5px;
    border-radius: var(--src-radius-pill);
    background: var(--src-gray-100);
    color: var(--src-text-tertiary);
    line-height: 1.4;
    flex-shrink: 0;
}





.page-tab-count {
    font-size: var(--src-text-xs);
    font-weight: var(--src-weight-semibold);
    padding: 1px 7px;
    border-radius: var(--src-radius-pill);
    background: var(--src-gray-100);
    color: var(--src-text-secondary);
    font-variant-numeric: tabular-nums;
    line-height: 1.5;
    flex-shrink: 0;
}

.page-tab--active .page-tab-count {
    background: var(--src-sandstone-tint);
    color: var(--src-sandstone-text);
}

.page-tab:focus-visible {
    outline: 2px solid var(--src-primary);
    outline-offset: 2px;
}



@media (max-width: 960px) {
    .page-header {
        flex-wrap: wrap;
    }

    .page-header-left {
        order: 1;
        width: 100%;
    }

    .page-tabs {
        order: 2;
        width: 100%;
        flex-shrink: 1;
    }

    .page-header-actions {
        order: 3;
    }
}






.toolbar {
    display: flex;
    align-items: center;
    gap: var(--src-space-3);
    margin-bottom: var(--src-space-4);
    flex-wrap: wrap;
}

.toolbar .form-input,
.toolbar .form-select {
    width: auto;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--src-space-3);
    flex: 1;
    min-width: 0;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--src-space-3);
    flex-shrink: 0;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--src-border);
}

.filter-chips {
    display: flex;
    align-items: center;
    gap: var(--src-space-2);
    flex-wrap: wrap;
}






.section {
    margin-bottom: var(--src-space-8);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--src-space-4);
    margin-bottom: var(--src-space-4);
}

.section-title {
    font-size: var(--src-text-lg);
    font-weight: var(--src-weight-semibold);
}





.section-title--sub {
    font-size: var(--src-text-base);
    color: var(--src-text-heading);
    margin: 0 0 var(--src-space-4);
    display: flex;
    align-items: center;
    gap: var(--src-space-2);
}

.section-title--sub > .bi {
    color: var(--src-text-tertiary);
    font-size: 15px;
    flex-shrink: 0;
}


.section-count {
    display: inline-flex;
    align-items: center;
    padding: 1px 8px;
    background: var(--src-primary-tint);
    color: var(--src-text-secondary);
    border-radius: var(--src-radius-pill);
    font-size: var(--src-text-xs);
    font-weight: var(--src-weight-bold);
    letter-spacing: 0.02em;
    margin-left: var(--src-space-2);
}






.grid {
    display: grid;
    gap: var(--src-grid-gutter);
}

.grid-12 { grid-template-columns: repeat(12, 1fr); }
.grid-6  { grid-template-columns: repeat(6, 1fr); }
.grid-4  { grid-template-columns: repeat(4, 1fr); }
.grid-3  { grid-template-columns: repeat(3, 1fr); }
.grid-2  { grid-template-columns: repeat(2, 1fr); }
.grid-1  { grid-template-columns: 1fr; }

.col-span-1  { grid-column: span 1; }
.col-span-2  { grid-column: span 2; }
.col-span-3  { grid-column: span 3; }
.col-span-4  { grid-column: span 4; }
.col-span-5  { grid-column: span 5; }
.col-span-6  { grid-column: span 6; }
.col-span-7  { grid-column: span 7; }
.col-span-8  { grid-column: span 8; }
.col-span-9  { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

@media (max-width: 1024px) {
    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-6,
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .content-area {
        padding: var(--src-space-4);
    }
}






.flex-row { display: flex; flex-direction: row; }
.flex-col { display: flex; flex-direction: column; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-start { display: flex; align-items: center; justify-content: flex-start; }
.flex-end { display: flex; align-items: center; justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; min-width: 0; }






.split-view {
    display: flex;
    gap: var(--src-space-5);
}

.split-main {
    flex: 1;
    min-width: 0;
}

.split-aside {
    width: 320px;
    flex-shrink: 0;
}






@media print {
    .topbar,
    .sidebar,
    .page-tabs,
    .toolbar,
    .page-header-actions,
    .pagination {
        display: none !important;
    }

    .app-content {
        margin-left: 0 !important;
    }

    .app-shell {
        padding-top: 0;
    }
}