html,
body,
#app {
    margin: 0;
    min-height: 100%;
}

#app,
.dir-shell {
    background: radial-gradient(circle at top, var(--console-color-hero-glow), transparent 45%), var(--console-bg);
}

.dir-shell {
    --tile-product: var(--tile-swatch-17);
    --tile-product-edge: var(--tile-swatch-18);
    display: grid;
    grid-template-columns: var(--console-nav-width) 1fr;
    min-height: 100vh;
}

.dir-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    height: 100vh;
    padding: var(--space-4) var(--space-3);
    background: var(--console-color-glass);
    backdrop-filter: blur(25px);
    border-right: 1px solid var(--console-color-glass-border);
    box-shadow: var(--console-shadow);
}

.dir-env-build {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
}

.dir-environment {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--console-color-accent);
}

.dir-build {
    font-family: var(--console-font-mono);
    font-size: var(--font-size-xs);
    color: var(--console-color-text-label);
    min-height: 1em;
}

.dir-brand {
    margin-bottom: var(--space-3);
    font-family: var(--console-font-display);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--console-color-accent);
    text-decoration: none;
}

.dir-nav-section {
    margin-top: var(--space-3);
    margin-bottom: var(--space-1);
    padding-left: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--console-color-text-label);
}

.dir-nav-link {
    display: flex;
    align-items: center;
    min-height: var(--hit-target);
    padding: var(--space-2);
    border-radius: var(--console-radius);
    color: var(--console-color-text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.dir-nav-link:hover {
    background: color-mix(in srgb, var(--console-color-text-primary) 6%, transparent);
    color: var(--console-color-text-primary);
}

.dir-nav-link.active {
    background: color-mix(in srgb, var(--console-color-brand) 15%, transparent);
    color: var(--console-color-accent);
    font-weight: 600;
}

.dir-nav-link:focus-visible {
    outline: 2px solid var(--console-color-brand);
    outline-offset: 2px;
}

.dir-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
}

.dir-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    min-height: var(--hit-target);
    padding: var(--space-3) var(--space-4) 0;
}

.dir-auth {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--console-color-text-secondary);
    font-size: var(--font-size-sm);
}

.auth-link-button {
    border: 0;
    background: transparent;
    padding: 0;
    font: inherit;
    cursor: pointer;
    color: var(--console-color-link);
    text-decoration: underline;
}

.dir-content {
    box-sizing: border-box;
    flex: 1;
    min-width: 0;
    width: 100%;
    max-width: var(--console-content-max-width);
    margin: 0 auto;
    padding: var(--space-4) var(--space-4) var(--space-7);
}

.dir-table {
    width: 100%;
    border-collapse: collapse;
}

.dir-table th,
.dir-table td {
    padding: var(--space-2) var(--space-3);
    text-align: left;
}

.dir-table th {
    color: var(--console-color-text-label);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dir-tile-stack {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    width: max-content;
    max-width: 100%;
}

.dir-tiles {
    display: grid;
    grid-template-columns: repeat(5, 176px);
    gap: var(--space-3);
}

.dir-tiles > .principal-tile {
    box-sizing: border-box;
    width: 176px;
    min-width: 0;
}

.mail-desk {
    display: grid;
    grid-template-columns: 180px minmax(220px, 1fr) minmax(280px, 1.4fr);
    gap: var(--space-3);
    min-height: 60vh;
}

.mail-toolbar,
.mail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    margin-bottom: var(--space-3);
}

.mail-folder,
.mail-row {
    display: block;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    color: var(--console-color-text-primary);
    padding: var(--space-2);
    cursor: pointer;
}

.mail-folder.active,
.mail-row:hover {
    background: color-mix(in srgb, var(--console-color-brand) 15%, transparent);
}

.mail-list,
.mail-read,
.mail-folders {
    min-width: 0;
}

.mail-read pre,
.doc-window pre {
    white-space: pre-wrap;
    color: var(--console-color-text-secondary);
}

.doc-window {
    padding: var(--space-4);
    color: var(--console-color-text-primary);
    background: var(--console-bg);
}

#blazor-error-ui {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-3) var(--space-4);
    background: var(--console-color-surface);
    color: var(--console-color-text-primary);
    border-top: 1px solid var(--status-unhealthy);
}