/* Viewer layout (§17, Phase 4C design pass) — self-hosted, no CDN.
   Camera tiles stay visually dominant: understated chrome, maximal video area,
   dark neutral tile backgrounds from the theme tokens. */

.viewer {
    padding: 0.9rem 1rem 1.25rem;
    min-height: calc(100vh - 3.5rem);
    box-sizing: border-box;
}

.viewer__header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin: 0 0 0.75rem;
}

.viewer__header h1 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 650;
}

.viewer__header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.viewer__empty {
    margin: 2rem auto 0;
    max-width: 30rem;
    padding: 1.1rem 1.3rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-secondary);
    line-height: 1.55;
}

.viewer__empty strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.viewer__empty span { display: block; }

.viewer__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

/* View selector — shown when a user has several accessible views. */
.viewpick {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.viewpick__card {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.viewpick__card:hover,
.viewpick__card:focus-visible {
    border-color: var(--accent);
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.viewpick__name {
    font-size: 1.05rem;
    font-weight: 600;
}

.viewpick__meta {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@media (max-width: 720px) {
    .viewer__grid {
        grid-template-columns: 1fr !important;
    }

    /* Tiles carry inline grid-column/grid-row placement for the desktop 2x2
       layout (Viewer.razor). Reset it here so a single implicit column is
       used instead of the desktop 2-track placement collapsing tiles. */
    .viewer__grid > .tile {
        grid-column: auto !important;
        grid-row: auto !important;
    }
}

.tile {
    margin: 0;
    background: var(--bg-video-tile);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.tile__video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-video-tile);
}

.tile__caption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.tile__caption code {
    color: var(--accent);
    font-size: 0.75rem;
}

.tile__meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.tile__fullscreen {
    background: none;
    border: 0;
    color: var(--text-faint);
    cursor: pointer;
    font: inherit;
    font-size: 0.85rem;
    padding: 0 0.2rem;
    line-height: 1;
}

.tile__fullscreen:hover { color: var(--text-primary); }

/* Per-tile state badge — unobtrusive, in the caption bar, never covering the
   camera image (§17 surveillance reliability). Status is text + color, never
   color alone (accessibility). */
.tile__status {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    white-space: nowrap;
}

.tile__status--connecting {
    color: var(--text-secondary);
    background: var(--bg-inset);
}

.tile__status--live {
    color: var(--success);
    background: var(--success-bg);
}

.tile__status--reconnecting {
    color: var(--warning);
    background: var(--warning-bg);
}

.tile__status--offline {
    color: var(--danger);
    background: var(--danger-bg);
}