*, *::before, *::after { box-sizing: border-box; }

body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, sans-serif; background:#1e1e1e; color:#eeeeec; font-size:14px; }

/* ── Top bar ──────────────────────────────────────────────────────────── */
#top {
  padding: 0 12px;
  height: 48px;
  position: relative;
  display: flex; align-items: center; justify-content: flex-start; gap: 8px;
  background: #171717;
  border-bottom: 1px solid #111;
  box-shadow: 0 1px 0 rgba(255,255,255,0.04);
  flex-wrap: nowrap;
  overflow-x: hidden;
}
.top-left, .top-right {
  display: flex; align-items: center; gap: 6px;
  min-width: 0; flex: 0 0 auto;
}
.top-center {
  display: flex; align-items: center; gap: 6px;
  flex: 0 0 auto;
}
input, select { padding: 5px 8px; }
button { padding: 5px 10px; cursor: pointer; }
label { display: flex; gap: 6px; align-items: center; }

#wrap { position: relative; width: 100vw; height: calc(100vh - 48px); }
canvas { display: block; width: 100%; height: 100%; background: #222; }

/* ── Log ──────────────────────────────────────────────────────────────── */
#log {
  position: absolute; left: 10px; bottom: 10px;
  width: min(560px, calc(100vw - 20px));
  max-height: 200px;
  background: rgba(20,20,20,0.92);
  border: 1px solid #383838;
  display: flex; flex-direction: column;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  z-index: 2;
}
#logHeader {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 8px;
  border-bottom: 1px solid #333;
  font-size: 11px;
  opacity: 0.9;
  user-select: none;
}
#logText { padding: 8px; overflow: auto; white-space: pre-wrap; max-height: 150px; }
#log.collapsed #logText { display: none; }
#log.collapsed { max-height: none; width: 230px; }
#logToggle {
  padding: 2px 8px; font-size: 11px;
  border-radius: 3px;
  border: 1px solid #484848;
  background: #2e2e2e;
  color: #ccc;
}

#hint {
  position: absolute; right: 10px; bottom: 10px;
  background: rgba(20,20,20,0.88);
  border: 1px solid #383838;
  padding: 8px; font-size: 12px;
  max-width: 420px; line-height: 1.35; z-index: 2;
}
.pill {
  display: inline-block; padding: 1px 5px;
  border-radius: 3px; border: 1px solid #484848;
  background: #2e2e2e;
}

/* ── Drawer ───────────────────────────────────────────────────────────── */
.drawer-toggle { padding: 5px 9px; font-size: 17px; }
.drawer {
  position: fixed;
  top: 48px; left: 0;
  width: 320px;
  height: calc(100% - 48px);
  background: #1e1e1e;
  color: #eeeeec;
  border-right: 1px solid #111;
  box-shadow: 2px 0 12px rgba(0,0,0,0.5);
  z-index: 999;
  display: flex; flex-direction: column;
  transform: translateX(0);
  transition: transform 0.18s ease;
}
.drawer.drawer-wide {
  width: min(640px, calc(100vw - 20px));
}
.drawer.hidden {
  transform: translateX(-100%);
  display: block;
}
.drawer-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px;
  background: #171717;
  border-bottom: 1px solid #111;
  font-weight: 700; font-size: 13px;
}
.drawer-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid #303030;
  background: #1a1a1a;
}
.drawer-tabs button {
  flex: 1;
  padding: 7px 6px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: rgba(238,238,236,0.55);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: color 80ms;
}
.drawer-tabs button:hover { color: rgba(238,238,236,0.85); }
.drawer-tabs button.active {
  color: #eeeeec;
  border-bottom-color: #3584e4;
}
.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
}
.drawer-panel { display: none; }
.drawer-panel.active { display: block; }

/* ── Asset panel shell ────────────────────────────────────────────────── */
.asset-panel-shell {
  display: flex; flex-direction: column; gap: 10px;
  min-height: calc(100vh - 96px);
  container-type: inline-size;
}
.asset-panel-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 10px; padding: 2px 0;
}
.asset-panel-title { font-size: 15px; font-weight: 700; }
.asset-panel-subtitle { margin-top: 2px; font-size: 12px; color: rgba(238,238,236,0.55); }
.asset-panel-header-actions {
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
}

/* Mode toggle tabs (Browse / Manage) */
.asset-mode-tabs {
  display: inline-flex; gap: 2px;
  background: #252525;
  border: 1px solid #383838;
  border-radius: 4px;
  padding: 2px;
}
.asset-mode-tabs button {
  border: none; border-radius: 3px;
  padding: 4px 10px;
  background: transparent;
  color: rgba(238,238,236,0.6);
  cursor: pointer; font-size: 12px; font-weight: 600;
}
.asset-mode-tabs button.active {
  background: #3a3a3a;
  color: #eeeeec;
}
.asset-view.hidden { display: none; }

/* ── Browse toolbar ───────────────────────────────────────────────────── */
.asset-browse-toolbar {
  display: flex; flex-wrap: wrap; gap: 7px; align-items: end;
  padding: 10px;
  border: 1px solid #333;
  border-radius: 5px;
  background: #252525;
}
.asset-search-input { flex: 1 1 200px; min-width: 160px; }
.asset-toolbar-field {
  display: flex; flex-direction: column; gap: 3px;
  font-size: 12px; min-width: 110px;
}
.asset-toolbar-field span { color: rgba(238,238,236,0.55); }
.asset-search-chips { display: flex; flex-wrap: wrap; gap: 5px; min-height: 0; }
.asset-search-hint { min-height: 0; font-size: 11px; color: rgba(238,238,236,0.55); }

/* ── Advanced filters ─────────────────────────────────────────────────── */
.asset-advanced-filters {
  display: flex; flex-wrap: wrap; gap: 7px; padding: 10px;
  border: 1px solid #333; border-radius: 5px;
  background: #222;
}

/* ── Browse layout (nav sidebar + grid) ───────────────────────────────── */
.asset-browse-layout {
  display: grid;
  grid-template-columns: minmax(220px, 260px) minmax(0, 1fr);
  gap: 10px; align-items: start;
}
.asset-nav-sidebar,
.asset-grid-wrap,
.asset-manage-card {
  border: 1px solid #333;
  border-radius: 5px;
  background: #252525;
}
.asset-nav-sidebar {
  padding: 10px;
  position: sticky;
  top: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  align-content: start;
}
.asset-sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}
.asset-sidebar-section:first-child {
  grid-column: 1 / -1;
}
.asset-sidebar-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: rgba(238,238,236,0.45);
}
.asset-recent-strip,
.asset-category-list,
.asset-subcategory-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.asset-recent-strip {
  max-height: 180px;
  overflow: auto;
}
.asset-category-list,
.asset-subcategory-list {
  min-height: 220px;
  max-height: calc(100vh - 380px);
  overflow: auto;
}
.asset-recent-chip,
.asset-nav-btn {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  color: #eeeeec;
  text-align: left;
  cursor: pointer;
}
.asset-recent-chip {
  padding: 8px 10px;
}
.asset-recent-chip:hover,
.asset-nav-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
}
.asset-recent-chip-name,
.asset-nav-btn-name {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
}
.asset-recent-chip-meta,
.asset-nav-btn-meta {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
  color: rgba(238,238,236,0.58);
}
.asset-nav-btn {
  padding: 9px 10px;
}
.asset-nav-btn.active {
  background: rgba(53,132,228,0.18);
  border-color: rgba(53,132,228,0.65);
}
.asset-sidebar-empty {
  font-size: 12px;
  color: rgba(238,238,236,0.5);
  padding: 4px 2px;
}
.asset-grid-wrap { min-height: 400px; padding: 10px; overflow: hidden; }
.asset-grid-status {
  min-height: 16px; margin-bottom: 8px;
  font-size: 12px; color: rgba(238,238,236,0.65);
}

/* ── Asset grid ───────────────────────────────────────────────────────── */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.asset-grid.asset-grid--maps { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.asset-grid.asset-grid--all  { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }

@container (max-width: 560px) {
  .asset-browse-layout { grid-template-columns: 1fr; }
  .asset-nav-sidebar {
    position: static;
    grid-template-columns: 1fr;
  }
  .asset-sidebar-section:first-child { grid-column: auto; }
  .asset-recent-strip,
  .asset-category-list,
  .asset-subcategory-list { max-height: 180px; }
  .asset-grid,
  .asset-grid.asset-grid--maps,
  .asset-grid.asset-grid--all { grid-template-columns: 1fr; }
}

/* ── Asset card ───────────────────────────────────────────────────────── */
.asset-card {
  border: 1px solid #383838;
  border-radius: 5px;
  background: #2a2a2a;
  color: #eeeeec;
  text-align: left;
  overflow: hidden;
  cursor: pointer;
}
.asset-card:hover { border-color: #505050; background: #303030; }
.asset-card-media {
  position: relative; overflow: hidden; background: #1a1a1a;
}
.asset-card-media--piece {
  background:
    linear-gradient(45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.04) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.04) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.04) 75%),
    #1a1a1a;
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.asset-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; }
.asset-card-media--piece img {
  object-fit: contain;
  padding: 12px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4));
}
.asset-card-media--map img { object-fit: cover; }
.asset-card-badges {
  position: absolute; top: 6px; left: 6px; right: 6px;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 6px;
}
.asset-card-pill-row { display: flex; gap: 4px; flex-wrap: wrap; }
.asset-card-pill {
  font-size: 10px; font-weight: 700; letter-spacing: 0.04em; color: #fff;
  border-radius: 3px; padding: 2px 6px;
  background: rgba(0,0,0,0.75); border: 1px solid rgba(255,255,255,0.14);
}
.asset-card-pill.kind-piece { background: rgba(38,162,105,0.85); }
.asset-card-pill.kind-map   { background: rgba(53,132,228,0.88); }
.asset-card-pill.kind-unknown { background: rgba(198,125,20,0.88); }
.asset-card-menu { position: relative; }
.asset-kind-trigger {
  border: 1px solid #555; background: rgba(0,0,0,0.72);
  color: #eee; border-radius: 3px; padding: 2px 7px;
}
.asset-kind-menu {
  display: none; position: absolute; top: 30px; right: 0; z-index: 6;
  background: #1f1f1f; border: 1px solid #404040; border-radius: 5px;
  padding: 3px; min-width: 130px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.5);
}
.asset-kind-menu button {
  display: block; width: 100%; margin: 1px 0; text-align: left;
  padding: 5px 8px; background: transparent; color: #eee;
  border: none; border-radius: 3px;
}
.asset-kind-menu button:hover { background: #333; }
.asset-card-body { padding: 8px 10px; }
.asset-card-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.asset-card-meta, .asset-card-submeta { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.asset-card-meta  { margin-top: 4px; font-size: 12px; color: rgba(238,238,236,0.72); }
.asset-card-submeta { margin-top: 2px; font-size: 11px; color: rgba(238,238,236,0.56); }
.asset-grid-empty, .asset-grid-loading-more {
  grid-column: 1 / -1; text-align: center; padding: 18px 10px;
  color: rgba(238,238,236,0.55);
}
.asset-grid-skeleton {
  border-radius: 5px; min-height: 200px;
  background: linear-gradient(90deg, #252525, #303030, #252525);
  background-size: 220% 100%;
  animation: assetShimmer 1.5s linear infinite;
}
@keyframes assetShimmer {
  0%   { background-position: 220% 0; }
  100% { background-position: -20% 0; }
}

/* ── Manage view ──────────────────────────────────────────────────────── */
.asset-manage-grid { display: grid; gap: 10px; }
.asset-manage-card { padding: 12px; }
.asset-manage-card-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 8px; flex-wrap: wrap;
}
.asset-manage-card-title { font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.asset-manage-fields { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.asset-manage-fields input[type="text"],
.asset-manage-fields input[type="file"],
.asset-manage-fields select,
.asset-search-input,
.asset-toolbar-field select,
.asset-manage-fields input:not([type]),
.asset-manage-fields input[type="search"] { min-width: 150px; }
.asset-manage-inline-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.asset-manage-note { font-size: 11px; color: rgba(238,238,236,0.55); }
.asset-session-shared-list { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.asset-session-manage-wrap { margin-top: 9px; }
.asset-session-manage-list { display: flex; flex-direction: column; gap: 5px; }
.asset-manage-check { display: flex; align-items: center; gap: 7px; font-size: 12px; }
.asset-debug-summary { margin-top: 7px; font-size: 11px; color: rgba(238,238,236,0.65); }

@media (max-width: 900px) {
  .drawer.drawer-wide { width: min(100vw, calc(100vw - 12px)); }
}

/* ── Context menu ─────────────────────────────────────────────────────── */
.ctx {
  position: fixed; z-index: 2000;
  min-width: 200px;
  background: #1f1f1f; color: #eeeeec;
  border: 1px solid #383838; border-radius: 5px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.55);
  padding: 4px;
  font-family: system-ui, sans-serif;
  user-select: none;
}
.ctx.hidden { display: none; }
.ctx-title { font-size: 11px; color: rgba(238,238,236,0.5); padding: 5px 8px; }
.ctx-item {
  padding: 7px 10px; border-radius: 3px; cursor: pointer;
  font-size: 13px; line-height: 1.2;
  display: flex; justify-content: space-between; align-items: center;
}
.ctx-item:hover { background: #333; }
.ctx-item.danger { color: #d47070; }
.ctx-item.danger:hover { background: #3a1e1e; }
.ctx-sep { height: 1px; margin: 4px 4px; background: #333; }
.ctx-sub { min-width: 220px; }

/* ── Tool strip ───────────────────────────────────────────────────────── */
.tool-strip {
  display: inline-flex; gap: 2px; align-items: center;
  padding: 2px 3px;
  border: 1px solid #383838; border-radius: 4px;
  background: #252525;
}
.tool-btn {
  padding: 4px 7px; font-size: 13px;
  border: 1px solid transparent; border-radius: 3px;
  background: transparent; color: rgba(238,238,236,0.65);
}
.tool-btn:hover { background: #333; color: #eeeeec; }
.tool-btn.active {
  background: #1a3a5c;
  border-color: #3584e4;
  color: #eeeeec;
}
.top-action-btn {
  padding: 4px 9px; border-radius: 3px;
  border: 1px solid transparent;
  background: transparent; color: rgba(238,238,236,0.65);
}
.top-action-btn:hover { background: #2e2e2e; color: #eeeeec; }
.top-action-btn.active {
  background: #1a3a5c; border-color: #3584e4; color: #eeeeec;
}
.tool-activate {
  animation: toolPulse 120ms ease;
}
@keyframes toolPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ── Tooltip ──────────────────────────────────────────────────────────── */
.ui-tooltip {
  position: fixed; z-index: 3500;
  padding: 5px 8px; border-radius: 4px;
  background: #111; border: 1px solid #383838;
  color: #eeeeec; font-size: 12px;
  pointer-events: none; white-space: nowrap;
}

/* ── Size strip ───────────────────────────────────────────────────────── */
.size-strip {
  display: inline-flex; gap: 3px; align-items: center;
  padding: 2px 3px;
  border: 1px solid #383838; border-radius: 4px;
  background: #252525; font-size: 12px;
}

/* ── Session pill ─────────────────────────────────────────────────────── */
.session-pill {
  display: inline-flex; gap: 7px; align-items: center;
  padding: 4px 9px; border-radius: 4px;
  border: 1px solid #383838; background: #1a1a1a;
  cursor: pointer; font-size: 12px;
}
.session-pill.ok  { border-color: rgba(38,162,105,0.45); }
.session-pill.bad { border-color: rgba(224,27,36,0.45); }
.session-resync {
  font-size: 11px; padding: 2px 6px;
  border-radius: 3px; border: 1px solid #484848;
  background: #2e2e2e; color: #ccc;
}

/* ── Modals ───────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5); z-index: 3000;
}
.modal {
  position: fixed; top: 60px; left: 12px;
  width: 320px;
  background: #242424; color: #eeeeec;
  border: 1px solid #3a3a3a; border-radius: 6px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.6);
  z-index: 3001;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 12px;
  border-bottom: 1px solid #333;
}
.modal-title { font-weight: 700; font-size: 14px; }
.modal-close {
  border: none; background: transparent;
  color: rgba(238,238,236,0.55); font-size: 16px; cursor: pointer;
}
.modal-close:hover { color: #eeeeec; }
.modal-body { padding: 12px; }
.field { margin-bottom: 10px; }
.field label { display: block; font-size: 12px; color: rgba(238,238,236,0.65); margin-bottom: 4px; }
.field input {
  width: 100%;
  padding: 7px 10px; border-radius: 4px;
  border: 1px solid #3d3d3d; background: #1a1a1a; color: #eeeeec;
}
.field input:focus {
  border-color: #3584e4;
  outline: none;
  box-shadow: 0 0 0 2px rgba(53,132,228,0.22);
}
.hint { font-size: 12px; color: rgba(238,238,236,0.45); margin-top: 4px; }
.modal-actions { display: flex; gap: 7px; margin-top: 12px; }

button.primary {
  padding: 7px 12px; border-radius: 4px;
  background: #3584e4; border: 1px solid #1a6fc4;
  color: #fff; font-weight: 600; cursor: pointer;
}
button.primary:hover { background: #3d8ef0; }

button.ghost {
  padding: 7px 12px; border-radius: 4px;
  border: 1px solid #484848; background: #383838;
  color: rgba(238,238,236,0.80); cursor: pointer; font-weight: 600;
}
button.ghost:hover { background: #414141; color: #eeeeec; }

.hidden { display: none !important; }