/* ════════════════════════════════════════════════════════════════════
   workspace-assets.css — Assets tab grid + fullscreen viewer (BKL-rw-6).
   Tokens come from app.css (:root). The viewer is dark on purpose (A4).
   ════════════════════════════════════════════════════════════════════ */

/* ─── Grid (A5) ─────────────────────────────────────────────────────── */
.ws-center-inner > .wsa { max-width: none; }
.wsa-bar { display: flex; align-items: center; gap: 10px; margin: 4px 0 14px; flex-wrap: wrap; }
.wsa-chips { display: inline-flex; gap: 2px; padding: 3px; background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--radius); }
.wsa-chip { border: 0; background: transparent; padding: 4px 10px; border-radius: 4px; font: inherit; font-size: 12.5px; color: var(--text-secondary); cursor: pointer; }
.wsa-chip:hover { color: var(--text); }
.wsa-chip.active { background: var(--white); color: var(--purple); font-weight: 600; box-shadow: var(--shadow-xs); }
.wsa-chip-n { font-variant-numeric: tabular-nums; }
.wsa-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.wsa-tile { position: relative; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.wsa-tile:hover, .wsa-tile:focus-within { border-color: var(--purple-light); box-shadow: var(--shadow); }
.wsa-open { display: flex; flex-direction: column; align-items: stretch; text-align: left; border: 0; padding: 0; background: transparent; font: inherit; color: inherit; cursor: pointer; min-width: 0; }
.wsa-open:focus-visible { outline: 2px solid var(--purple); outline-offset: -2px; }
.wsa-tile.locked .wsa-open { cursor: not-allowed; }
.wsa-thumb { position: relative; height: 140px; background: var(--bg-sunken); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; overflow: hidden; border-bottom: 1px solid var(--border); }
.wsa-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.wsa-thumb-locked { background: repeating-linear-gradient(135deg, var(--bg-sunken) 0 8px, #E8E9F0 8px 16px); }
.wsa-lock { font-size: 22px; }
.wsa-lock-text { font-size: 12px; color: var(--text-secondary); font-weight: 600; }
.wsa-glyph { font-size: 30px; line-height: 1; color: var(--text-secondary); font-weight: 700; }
.wsa-ext-host { font-size: 11.5px; color: var(--text-secondary); font-family: var(--font-mono); max-width: 90%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* Live wireframe thumbnail: a 1280×800 render scaled into the tile. */
.wsa-thumb-frame { display: block; }
.wsa-frame { position: absolute; top: 0; left: 0; width: 1280px; height: 800px; border: 0; transform: scale(0.18); transform-origin: 0 0; pointer-events: none; background: #fff; }
.wsa-key .wsa-thumb { height: 92px; border-radius: 5px; border-bottom: 0; }
.wsa-cap { padding: 9px 11px 10px; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.wsa-name { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wsa-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; min-width: 0; }
.wsa-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.04em; padding: 1px 6px; border: 1px solid var(--border-strong); border-radius: 4px; color: var(--text-secondary); }
.wsa-sub { font-size: 11.5px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wsa-ac { max-width: 100%; }
.wsa-badge { font-size: 10.5px; font-weight: 600; padding: 1px 7px; border-radius: 999px; }
.wsa-badge-ok { background: var(--success-bg); color: var(--success); }
.wsa-badge-stale { background: var(--warning-bg); color: #92400E; }
.wsa-badge-conf { background: var(--bg-sunken); color: var(--text-secondary); border: 1px solid var(--border); }
.wsa-pin { position: absolute; top: 8px; right: 8px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 999px; background: var(--purple); color: #fff; font-size: 11px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; pointer-events: none; }
.wsa-tile-actions { display: flex; align-items: center; gap: 10px; padding: 0 11px 10px; }
.wsa-ext-link { font-size: 12px; }
.wsa-key { position: relative; }
.wsa-key-tile { position: relative; cursor: pointer; font: inherit; color: inherit; }
.wsa-key-tile.locked { cursor: default; }
.wsa-key-more { grid-column: 1 / -1; justify-self: start; }

/* ─── Lightbox (A4) — a layer above the workspace ──────────────────── */
.wsl { position: fixed; inset: 0; z-index: 75; display: grid; grid-template-rows: auto 1fr auto; background: #12141C; color: #E5E7EB; }
.wsl .spacer { flex: 1; }
.wsl-top { display: flex; align-items: center; gap: 10px; padding: 8px 14px; border-bottom: 1px solid #262A36; min-height: 48px; flex-wrap: wrap; }
.wsl-glyph { font-size: 16px; }
.wsl-title { margin: 0; font-size: 14px; font-weight: 600; color: #fff; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wsl-title:focus { outline: none; }
.wsl-pos { font-size: 12.5px; color: #A1A6B3; font-variant-numeric: tabular-nums; }
.wsl-zoom { display: inline-flex; align-items: center; gap: 4px; }
.wsl-zoom.disabled { opacity: 0.45; }
.wsl-zoom-label { min-width: 46px; text-align: center; font-size: 12.5px; color: #C9CDD6; font-variant-numeric: tabular-nums; }
.wsl-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 30px; padding: 0 10px; border: 1px solid #343A48; border-radius: var(--radius); background: #1D2030; color: #E5E7EB; font: inherit; font-size: 12.5px; font-weight: 600; cursor: pointer; text-decoration: none; }
.wsl-btn:hover:not(:disabled) { background: #272B3C; color: #fff; }
.wsl-btn:disabled { cursor: default; }
.wsl-btn:focus-visible, .wsl-film:focus-visible, .wsl-nav:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.wsl-close { font-size: 18px; }
.wsl-main { display: grid; grid-template-columns: 1fr 320px; min-height: 0; }
.wsl-stage { position: relative; min-width: 0; min-height: 0; }
.wsl-canvas { position: absolute; inset: 0; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.wsl-canvas-img { display: block; cursor: grab; touch-action: none; user-select: none; }
.wsl-canvas-img.panning { cursor: grabbing; }
.wsl-img { position: absolute; top: 0; left: 0; transform-origin: 0 0; max-width: none; max-height: none; box-shadow: 0 8px 30px rgba(0,0,0,0.45); background: #fff; }
.wsl-canvas-frame, .wsl-canvas-doc { padding: 18px 64px; }
.wsl-frame { width: 100%; height: 100%; border: 0; border-radius: var(--radius); background: #fff; }
.wsl-doc { width: 100%; max-width: 860px; height: 100%; overflow: auto; background: #fff; color: var(--text); border-radius: var(--radius); padding: 20px 28px; }
.wsl-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 38px; height: 38px; border-radius: 50%; border: 1px solid #343A48; background: rgba(29,32,48,0.85); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; z-index: 2; }
.wsl-nav:disabled { opacity: 0.3; cursor: default; }
.wsl-prev { left: 14px; }
.wsl-next { right: 14px; }
.wsl-card { max-width: 460px; margin: 0 24px; padding: 26px 28px; background: #1B1E2B; border: 1px solid #2C3140; border-radius: var(--radius-xl); text-align: center; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.wsl-card-glyph { font-size: 34px; }
.wsl-card-title { font-size: 15px; font-weight: 600; color: #fff; }
.wsl-card-sub { font-size: 13px; color: #B7BCC8; }
.wsl-card-url { font-family: var(--font-mono); font-size: 11.5px; color: #9AA0AE; word-break: break-all; }
.wsl-card-actions { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; justify-content: center; }
.wsl-side { border-left: 1px solid #262A36; background: #fff; color: var(--text); overflow-y: auto; padding: 14px 16px; }
.wsl-side-label { margin: 6px 0 8px; font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-secondary); }
.wsl-side-row { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 4px; word-break: break-word; }
.wsl-muted { font-style: italic; }
.wsl-thread { border: 1px solid var(--border); border-left: 3px solid var(--purple); border-radius: var(--radius); padding: 8px 10px; margin-bottom: 8px; }
.wsl-thread.resolved { opacity: 0.6; border-left-color: var(--border-strong); }
.wsl-thread-label { font-size: 12px; font-weight: 600; color: var(--purple); }
.wsl-thread-meta { font-size: 11.5px; color: var(--text-secondary); margin: 2px 0 4px; }
.wsl-thread-body { font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.wsl-strip { display: flex; gap: 8px; padding: 10px 14px; border-top: 1px solid #262A36; overflow-x: auto; }
.wsl-film { position: relative; flex: 0 0 104px; height: 70px; border: 2px solid transparent; border-radius: var(--radius); background: #1D2030; color: #C9CDD6; cursor: pointer; padding: 0; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.wsl-film img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.wsl-film.current { border-color: var(--cyan); }
.wsl-film-glyph { font-size: 20px; }
.wsl-film-name { position: absolute; left: 0; right: 0; bottom: 0; padding: 2px 5px; font-size: 10.5px; background: rgba(18,20,28,0.78); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.wsl-film .wsa-pin { top: 3px; right: 3px; }

@media (max-width: 900px) {
  .wsl-main { grid-template-columns: 1fr; }
  .wsl-side { display: none; }
  .wsa-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .wsa-tile, .wsl-btn { transition: none; }
}

/* ─── Review fixes (PR #21) ─────────────────────────────────────────── */
.wsa-prtext { font-size: 12px; color: var(--text-secondary); }
.wsa-prtext-val { font-family: var(--font-mono); color: var(--text); }
/* Wireframe in the viewer: a shield keeps focus (and so the keys) in the viewer. */
.wsl-frame-wrap { position: relative; width: 100%; height: 100%; }
.wsl-frame-shield { position: absolute; inset: 0; border: 0; background: transparent; cursor: pointer; display: flex; align-items: flex-end; justify-content: center; padding: 0 0 16px; border-radius: var(--radius); }
.wsl-frame-shield:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; }
.wsl-frame-hint { background: rgba(18,20,28,0.82); color: #fff; font-size: 12.5px; font-weight: 600; padding: 6px 12px; border-radius: 999px; opacity: 0.9; }
.wsl-frame-shield:hover .wsl-frame-hint { opacity: 1; }
.wsl-frame-bar { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); display: flex; align-items: center; gap: 8px; background: rgba(18,20,28,0.9); color: #E5E7EB; font-size: 12.5px; padding: 6px 8px 6px 12px; border-radius: 999px; }
/* External markdown images held back until "Load preview" (BR-RW-46). */
.ext-img { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 6px 10px; border: 1px dashed var(--border-strong); border-radius: var(--radius); background: var(--bg-sunken); font-size: 12.5px; color: var(--text-secondary); }
.ext-img-label { word-break: break-word; }

/* ─── Pins and regions on images (BKL-rw-7, workspace-pins.js) ──────── */
/* BR-RW-14a: posted purple solid · pending violet dashed · outdated amber
   dashed · gone grey solid — each also carries a text tag. */
.wsp-overlay { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.wsp-pin { position: absolute; box-sizing: border-box; pointer-events: none; }
.wsp-region { border: 2px solid #C084FC; background: rgba(192,132,252,0.14); border-radius: 4px; box-shadow: 0 0 0 1px rgba(0,0,0,0.35); }
.wsp-region.wsp-pending { border: 2px dashed #A78BFA; background: rgba(124,58,237,0.16); }
.wsp-region.wsp-outdated { border: 2px dashed #F59E0B; background: rgba(245,158,11,0.12); }
.wsp-region.wsp-gone { border: 2px solid #9CA3AF; background: rgba(156,163,175,0.12); }
.wsp-region.wsp-resolved { opacity: 0.55; }
.wsp-region.wsp-drawing { border-style: dashed; }
.wsp-pin-btn { position: absolute; top: -11px; left: -11px; display: inline-flex; align-items: center; gap: 4px; padding: 0; border: 0; background: transparent; cursor: pointer; pointer-events: auto; font: inherit; }
.wsp-point .wsp-pin-btn { top: 50%; left: 50%; transform: translate(-50%, -50%); }
.wsp-point .wsp-tag { position: absolute; left: 100%; margin-left: 4px; }
.wsp-n { display: inline-flex; align-items: center; justify-content: center; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; background: #6E2C8B; color: #fff; font-size: 11.5px; font-weight: 700; box-shadow: 0 0 0 2px #fff; font-variant-numeric: tabular-nums; box-sizing: border-box; }
.wsp-n.wsp-pending { background: #7C3AED; outline: 2px dashed #7C3AED; outline-offset: 2px; }
.wsp-n.wsp-halo { box-shadow: 0 0 0 2px #fff, 0 0 0 6px rgba(124,58,237,0.35); }
.wsp-n.wsp-outdated { background: #B45309; outline: 2px dashed #D97706; outline-offset: 2px; }
.wsp-n.wsp-gone { background: #6B7280; }
.wsp-resolved .wsp-n, .wsp-n.wsp-muted { background: #8B8F9C; }
.wsp-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 1px 5px; border-radius: 4px; background: rgba(18,20,28,0.85); color: #fff; white-space: nowrap; }
.wsp-pin-btn:focus-visible { outline: none; }
.wsp-pin-btn:focus-visible .wsp-n { box-shadow: 0 0 0 2px #fff, 0 0 0 5px var(--cyan); }
/* 2 s highlight ring when linked from a thread / N (BR-RW-32). */
.wsp-pin.hl { z-index: 2; }
.wsp-pin.hl .wsp-n { box-shadow: 0 0 0 2px #fff, 0 0 0 6px var(--cyan); animation: wsp-ring 0.6s ease-out 2; }
.wsp-region.hl { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,184,207,0.55); }
@keyframes wsp-ring { from { box-shadow: 0 0 0 2px #fff, 0 0 0 14px rgba(0,184,207,0); } to { box-shadow: 0 0 0 2px #fff, 0 0 0 6px var(--cyan); } }
/* Keyboard crosshair. */
.wsp-cross { position: absolute; box-sizing: border-box; border: 2px dashed var(--cyan); background: rgba(0,184,207,0.12); pointer-events: none; }
.wsp-cross::before, .wsp-cross::after { content: ''; position: absolute; background: var(--cyan); opacity: 0.8; }
.wsp-cross::before { left: 50%; top: -14px; bottom: -14px; width: 1px; }
.wsp-cross::after { top: 50%; left: -14px; right: -14px; height: 1px; }
/* Comment mode. */
.wsl.wsp-commenting .wsl-canvas-img { cursor: crosshair; }
.wsl.wsp-commenting .wsl-canvas-img.wsp-pan { cursor: grab; }
.wsp-toggle kbd { font: inherit; font-size: 10.5px; padding: 0 4px; margin-left: 4px; border: 1px solid #4B5163; border-radius: 3px; color: #C9CDD6; }
.wsp-toggle[aria-pressed="true"] { background: #7C3AED; border-color: #A78BFA; color: #fff; }
.wsp-banner { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 3; max-width: calc(100% - 120px); background: rgba(124,58,237,0.95); color: #fff; font-size: 12.5px; font-weight: 600; padding: 6px 14px; border-radius: 999px; text-align: center; pointer-events: none; }
/* Popover composer (a layer above the viewer). */
.wsp-pop { position: absolute; z-index: 4; width: 290px; background: #fff; color: var(--text); border: 1px solid #A78BFA; border-radius: var(--radius-lg); box-shadow: 0 12px 32px rgba(0,0,0,0.4); padding: 10px; display: flex; flex-direction: column; gap: 8px; }
.wsp-chip { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--purple); background: rgba(110,44,139,0.08); border-radius: var(--radius); padding: 4px 8px 4px 4px; }
.wsp-chip .wsp-n { min-width: 20px; height: 20px; font-size: 11px; box-shadow: none; outline-offset: 1px; }
.wsp-chip-label { overflow: hidden; text-overflow: ellipsis; word-break: break-word; }
.wsp-input { width: 100%; resize: vertical; min-height: 64px; font-size: 13px; }
.wsp-pop-foot { display: flex; align-items: center; gap: 6px; justify-content: flex-end; }
.wsp-hint { margin-right: auto; font-size: 11.5px; color: var(--text-secondary); }
/* Side panel threads ("On this image"). */
.wsp-thread.wsp-has-pin { cursor: pointer; }
.wsp-thread:focus-visible { outline: 2px solid var(--purple); outline-offset: 1px; }
.wsp-thread-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.wsp-thread-head .wsp-n { min-width: 20px; height: 20px; font-size: 11px; box-shadow: none; outline-offset: 1px; }
.wsp-thread.hl { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(0,184,207,0.35); }
.wsp-thread-draft { border-style: dashed; border-left: 3px dashed #7C3AED; }
.wsp-badge { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; padding: 1px 6px; border-radius: 999px; }
.wsp-badge-pending { background: #EDE9FE; color: #5B21B6; }
.wsp-badge-outdated { background: #FFFBEB; color: #92400E; border: 1px dashed #D97706; }
.wsp-badge-gone, .wsp-badge-resolved { background: var(--bg-sunken); color: var(--text-secondary); }
/* Workspace rail: asset group headings (BR-RW-14; pins are rw-8's .ws-pin). */
.ws-comments .ws-group-head { margin: 12px 0 6px; font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-secondary); border-bottom: 1px solid var(--border); padding-bottom: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ws-comments .ws-group-head:first-child { margin-top: 0; }
@media (prefers-reduced-motion: reduce) {
  .wsp-pin.hl .wsp-n { animation: none; }
}