/* ============================================================
   Text Editor · Calculator · Settings · Browser · App Center
   Image Viewer · System Monitor · Demo apps
   ============================================================ */

/* ---------------- Text Editor ---------------- */
.editor-app { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.editor-scroll {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
  overflow: hidden;
  background: var(--c-view-bg);
}
.editor-scroll.nowrap { overflow-x: auto; }
.editor-gutter {
  flex: 0 0 auto;
  padding: 12px 8px 12px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-fg-disabled);
  text-align: right;
  user-select: none;
  overflow: hidden;
  border-right: 1px solid var(--c-border);
  background: var(--c-sidebar-bg);
  min-width: 44px;
}
.editor-area {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 14px;
  border: 0;
  outline: none;
  resize: none;
  background: var(--c-view-bg);
  color: var(--c-fg);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-y: auto;
}
.editor-scroll.nowrap .editor-area { white-space: pre; overflow-x: auto; }
.editor-area::selection { background: color-mix(in srgb, var(--accent) 34%, transparent); }
.editor-status {
  flex: 0 0 auto;
  display: flex;
  gap: 14px;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  border-top: 1px solid var(--c-border);
  background: var(--c-headerbar-bg);
  font-size: var(--fs-sm);
  color: var(--c-fg-muted);
}
.editor-status-right { margin-left: auto; }

/* ---------------- Calculator ---------------- */
.calc-app {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  background: var(--c-window-bg);
}
.calc-display {
  flex: 0 0 auto;
  padding: 18px 18px 12px;
  text-align: right;
  border-bottom: 1px solid var(--c-border);
}
.calc-expr {
  min-height: 20px;
  font-size: var(--fs-md);
  color: var(--c-fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  direction: ltr;
}
.calc-result {
  font-size: 34px;
  font-weight: 400;
  line-height: 1.2;
  margin-top: 4px;
  word-break: break-all;
  transition: color var(--dur-fast) ease;
}
.calc-result.error { color: var(--c-danger); font-size: 20px; }
.calc-result.shake { animation: ud-shake 400ms ease both; }
.calc-pad {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 10px;
  min-height: 0;
}
.calc-key {
  border-radius: 8px;
  background: color-mix(in srgb, var(--c-fg) 8%, transparent);
  color: var(--c-fg);
  font-size: 17px;
  font-weight: 500;
  min-height: 40px;
  display: grid;
  place-items: center;
  transition: background var(--dur-fast) ease, scale var(--dur-fast) var(--ease-snap);
}
.calc-key:hover { background: color-mix(in srgb, var(--c-fg) 15%, transparent); }
.calc-key:active { scale: .95; }
.calc-key.op { font-size: 20px; color: var(--accent); }
.calc-key.sci { font-size: 14px; color: var(--c-fg-secondary); }
.calc-key.fn { font-size: 14px; color: var(--c-fg-secondary); }
.calc-key.equals { background: var(--accent); color: var(--accent-fg); font-size: 20px; font-weight: 700; }
.calc-key.equals:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.calc-status {
  flex: 0 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 0 14px 10px;
  font-size: var(--fs-xs);
  color: var(--c-fg-muted);
}

/* ---------------- Settings ---------------- */
.settings-app { display: flex; flex: 1 1 auto; min-height: 0; overflow: hidden; position: relative; }
.settings-sidebar {
  flex: 0 0 218px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 6px;
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
}
.settings-search { padding: 2px 4px 8px; }
.settings-search .entry { width: 100%; }
.settings-nav { display: flex; flex-direction: column; gap: 1px; }
.settings-nav-group {
  padding: 10px 10px 3px;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--c-fg-muted);
}
.settings-content { flex: 1 1 auto; min-width: 0; overflow: hidden; display: flex; flex-direction: column; }
.settings-head { flex: 0 0 auto; padding: 6px 8px; }
.settings-back {
  display: none;
  align-items: center;
  gap: 4px;
  height: 32px;
  padding: 0 8px 0 2px;
  border-radius: 6px;
  font-weight: 700;
  color: var(--c-fg);
}
.settings-back:hover { background: var(--c-hover); }
.settings-body { flex: 1 1 auto; overflow-y: auto; padding: 8px 22px 40px; }
.settings-group {
  margin-bottom: 26px;
  max-width: 720px;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-tile);
  padding: 4px 14px 6px;
  overflow: hidden;
}
.settings-group-title { font-size: var(--fs-lg); font-weight: 500; padding: 12px 2px 4px; }
.settings-group-desc { font-size: var(--fs-sm); color: var(--c-fg-muted); padding: 0 2px 8px; }
.settings-row {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  padding: 8px 2px;
  border-bottom: 1px solid var(--c-border);
}
.settings-row:last-child { border-bottom: 0; }
.settings-row-main { flex: 1 1 auto; min-width: 0; }
.settings-row-label { font-size: var(--fs-md); }
.settings-row-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); margin-top: 1px; }
.settings-row-control { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; }
.settings-slider { display: flex; align-items: center; gap: 10px; width: 210px; }
.settings-slider-val { font-size: var(--fs-sm); color: var(--c-fg-muted); min-width: 42px; text-align: right; font-variant-numeric: tabular-nums; }
.settings-kv { padding-left: 0; }
.entry.narrow { width: 120px; }

.accent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(78px, 1fr)); gap: 6px; padding: 6px 0; width: 100%; }
.accent-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px 4px;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: background var(--dur-fast) ease;
}
.accent-swatch:hover { background: var(--c-hover); }
.accent-swatch.active { border-color: var(--sw); background: color-mix(in srgb, var(--sw) 12%, transparent); }
.accent-dot {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--sw);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .12);
}
.accent-name { font-size: var(--fs-xs); color: var(--c-fg-secondary); text-align: center; }

.wp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; padding: 6px 0; width: 100%; }
.wp-cell {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  border: 2px solid transparent;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .22);
  transition: transform 140ms var(--ease-shell), border-color var(--dur-fast) ease;
}
.wp-cell:hover { transform: scale(1.02); }
.wp-cell.active { border-color: var(--accent); }

.settings-net {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 6px 2px;
  border-bottom: 1px solid var(--c-border);
}
.settings-net:last-child { border-bottom: 0; }
.settings-net > span:first-child { flex: 0 0 auto; width: 20px; display: grid; place-items: center; }
.settings-net > span:first-child svg { width: 18px; height: 18px; }
.settings-net-main { flex: 1 1 auto; min-width: 0; }
.settings-net-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.settings-net-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }
.settings-net-badge {
  flex: 0 0 auto;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: var(--radius-pill);
  padding: 2px 9px;
}

.display-preview { display: flex; justify-content: center; padding: 10px 0 16px; }
.display-frame {
  width: min(320px, 100%);
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  border: 2px solid var(--accent);
  background: var(--c-view-bg);
  display: grid;
  place-items: center;
  gap: 4px;
  align-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
}
.display-title { font-weight: 700; }
.display-res { font-size: var(--fs-sm); color: var(--c-fg-muted); }

.batt-hero { display: flex; align-items: center; gap: 16px; padding: 8px 2px 12px; }
.batt-icon { color: var(--accent); }
.batt-icon svg { width: 40px; height: 40px; }
.batt-pct { font-size: 30px; font-weight: 400; }
.batt-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }

.datetime-hero { padding: 8px 2px 14px; }
.datetime-time { font-size: 38px; font-weight: 300; }
.datetime-date { font-size: var(--fs-md); color: var(--c-fg-muted); }

.user-hero { display: flex; gap: 18px; padding: 12px 2px 8px; flex-wrap: wrap; }
.user-avatar { width: 78px; height: 78px; border-radius: 50%; overflow: hidden; flex: 0 0 auto; box-shadow: 0 2px 10px rgba(0, 0, 0, .2); }
.user-avatar svg { width: 100%; height: 100%; }
.user-fields { flex: 1 1 220px; display: flex; flex-direction: column; gap: 8px; }
.setting-field { display: flex; flex-direction: column; gap: 3px; font-size: var(--fs-sm); color: var(--c-fg-muted); }
.avatar-grid { display: flex; gap: 6px; flex-wrap: wrap; }
.avatar-cell {
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid transparent;
  padding: 0;
}
.avatar-cell svg { width: 100%; height: 100%; }
.avatar-cell.active { border-color: var(--accent); }

.about-hero { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 0 8px; }
.about-logo svg { width: 84px; height: 84px; }
.about-name { font-size: 22px; font-weight: 500; }
.about-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }

/* ---------------- Browser ---------------- */
.browser-app { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.browser-tabs {
  display: flex;
  align-items: stretch;
  gap: 3px;
  padding: 4px 4px 0;
  background: var(--c-sidebar-bg);
  border-bottom: 1px solid var(--c-border);
  overflow-x: auto;
  scrollbar-width: none;
  flex: 0 0 auto;
}
.browser-tabs::-webkit-scrollbar { display: none; }
.browser-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  max-width: 200px;
  min-width: 92px;
  height: 32px;
  padding: 0 6px 0 10px;
  border-radius: 8px 8px 0 0;
  background: color-mix(in srgb, var(--c-fg) 6%, transparent);
  color: var(--c-fg-secondary);
  font-size: var(--fs-sm);
  cursor: pointer;
  flex: 0 0 auto;
  position: relative;
}
.browser-tab:hover { background: color-mix(in srgb, var(--c-fg) 11%, transparent); }
.browser-tab.active {
  background: var(--c-card-bg);
  color: var(--c-fg);
  box-shadow: 0 -2px 0 var(--accent) inset;
}
.bt-icon { display: flex; flex: 0 0 auto; }
.bt-icon svg { width: 16px; height: 16px; }
.bt-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1 1 auto; text-align: left; }
.bt-close {
  width: 20px; height: 20px;
  border-radius: 4px;
  display: grid; place-items: center;
  opacity: .55;
  flex: 0 0 auto;
}
.bt-close:hover { background: var(--c-active); opacity: 1; }
.bt-close svg { width: 9px; height: 9px; }
.bt-spinner { display: none; width: 12px; height: 12px; flex: 0 0 auto; }
.bt-spinner.on {
  display: block;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-top-color: var(--accent);
  animation: ud-spin 700ms linear infinite;
}
.browser-toolbar {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 8px;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-card-bg);
  flex: 0 0 auto;
}
.browser-urlbar {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--c-fg) 7%, transparent);
  border: 1px solid transparent;
  min-width: 0;
  transition: border-color var(--dur-fast) ease, background var(--dur-fast) ease;
}
.browser-urlbar:focus-within {
  background: var(--c-view-bg);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.browser-url-icon { display: flex; color: var(--c-fg-muted); flex: 0 0 auto; }
.browser-url-icon svg { width: 13px; height: 13px; }
.browser-url {
  flex: 1 1 auto;
  min-width: 0;
  background: none;
  border: 0;
  outline: none;
  font-size: var(--fs-md);
  color: var(--c-fg);
  font-family: var(--font-ui);
}
.browser-url::placeholder { color: var(--c-fg-disabled); }
.browser-stack { position: relative; flex: 1 1 auto; min-height: 0; }
.browser-view { position: absolute; inset: 0; }
.browser-web {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  background: var(--c-view-bg);
  outline: none;
}

/* page chrome inside the browser */
.page { max-width: 820px; margin: 0 auto; padding: 22px 26px 60px; }
.page h1 { font-size: 24px; font-weight: 500; margin-bottom: 14px; line-height: 1.25; }
.page h2 { font-size: 18px; font-weight: 500; margin: 20px 0 8px; }
.page h3 { font-size: 15px; font-weight: 500; margin: 16px 0 6px; }
.page p { margin: 0 0 12px; line-height: 1.6; }
.page ul { margin: 0 0 14px; padding-left: 22px; }
.page li { margin-bottom: 6px; line-height: 1.55; }
.page code { font-family: var(--font-mono); font-size: 12px; background: var(--c-hover); padding: 1px 5px; border-radius: 4px; }
.page-hero { width: 100%; height: auto; border-radius: 10px; margin-bottom: 18px; }
.page-table { width: 100%; border-collapse: collapse; margin-bottom: 16px; font-size: var(--fs-md); }
.page-table th { text-align: left; padding: 6px 12px 6px 0; white-space: nowrap; color: var(--c-fg-secondary); font-weight: 700; }
.page-table td { padding: 6px 0; border-top: 1px solid var(--c-border); line-height: 1.5; }
.page-foot { margin-top: 26px; padding-top: 12px; border-top: 1px solid var(--c-border); font-size: var(--fs-sm); color: var(--c-fg-muted); }

.start-page { display: flex; flex-direction: column; align-items: center; padding: 40px 20px 50px; gap: 18px; }
.start-logo svg { width: 96px; height: 96px; }
.start-search { display: flex; align-items: center; gap: 8px; width: min(560px, 100%); }
.start-search-input {
  flex: 1 1 auto;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border-strong);
  background: var(--c-view-bg);
  color: var(--c-fg);
  font-size: var(--fs-lg);
}
.start-search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
.start-search-go {
  width: 42px; height: 42px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent);
  color: var(--accent-fg);
}
.start-search-go:hover { filter: brightness(1.08); }
.start-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 12px; width: min(680px, 100%); }
.start-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  border-radius: 10px;
  transition: background var(--dur-fast) ease;
}
.start-tile:hover { background: var(--c-hover); }
.start-tile-art {
  width: 52px; height: 52px;
  border-radius: 10px;
  display: grid; place-items: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .18);
}
.start-tile-label { font-size: var(--fs-sm); font-weight: 500; text-align: center; }
.start-tile-sub { font-size: var(--fs-xs); color: var(--c-fg-muted); text-align: center; word-break: break-all; }
.start-note { font-size: var(--fs-sm); color: var(--c-fg-muted); text-align: center; max-width: 44ch; }

.error-page { text-align: left; }
.error-art svg { width: 64px; height: 64px; opacity: .5; margin-bottom: 10px; }
.error-url { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--c-fg-muted); word-break: break-all; }
.error-actions { display: flex; gap: 10px; margin-top: 18px; }

.search-head { font-size: 22px; font-weight: 500; margin-bottom: 4px; }
.search-note { font-size: var(--fs-sm); color: var(--c-fg-muted); margin-bottom: 18px; }
.search-hit {
  display: block;
  padding: 10px 0;
  border-top: 1px solid var(--c-border);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.search-hit:hover .sh-title { color: var(--accent); }
.sh-url { display: block; font-size: var(--fs-xs); color: var(--c-success); }
.sh-title { display: block; font-size: 17px; margin: 2px 0 3px; }
.sh-body { display: block; font-size: var(--fs-sm); color: var(--c-fg-secondary); line-height: 1.5; }

/* ---------------- App Center ---------------- */
.software-app { display: flex; flex: 1 1 auto; min-height: 0; position: relative; overflow: hidden; }
.sw-sidebar {
  flex: 0 0 210px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px 6px;
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
}
.sw-side-head {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  padding: 0 8px;
  margin-bottom: 4px;
  border-radius: 6px;
  font-weight: 700;
  width: 100%;
  text-align: left;
}
.sw-side-head:hover { background: var(--c-hover); }
.sw-side-head svg { width: 16px; height: 16px; opacity: .6; }
.sw-side-title {
  padding: 12px 10px 4px;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--c-fg-muted);
}
.sw-content { flex: 1 1 auto; min-width: 0; overflow-y: auto; padding: 0 0 40px; }
.sw-search { display: flex; align-items: center; position: relative; width: 240px; }
.sw-search-icon { position: absolute; left: 10px; display: flex; color: var(--c-fg-muted); }
.sw-search-icon svg { width: 14px; height: 14px; }
.sw-search .entry { padding-left: 30px; }

.sw-hero { padding: 0 0 6px; }
.sw-hero-inner {
  margin: 0;
  padding: 26px 24px;
  border-radius: 0 0 14px 14px;
  background:
    radial-gradient(120% 140% at 12% 10%, color-mix(in srgb, var(--accent) 42%, transparent), transparent 62%),
    linear-gradient(120deg, #2C001E, #5E2750 58%, #E95420 140%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.sw-hero-kicker { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 1px; opacity: .8; }
.sw-hero-title { font-size: 26px; font-weight: 500; line-height: 1.2; }
.sw-hero-sub { max-width: 60ch; opacity: .9; line-height: 1.5; }
.sw-hero-inner .pill-btn { margin-top: 8px; }

.sw-section { padding: 18px 20px 4px; }
.sw-section-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.sw-section-title { font-size: 17px; font-weight: 500; padding: 4px 0 10px; }
.sw-more { font-size: var(--fs-sm); color: var(--accent); font-weight: 500; }
.sw-more:hover { text-decoration: underline; }
.sw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.sw-grid.big { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.sw-card {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-tile);
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  cursor: pointer;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform 120ms var(--ease-shell);
}
.sw-card:hover { border-color: var(--c-border-strong); box-shadow: 0 3px 12px rgba(0, 0, 0, .08); }
.sw-card-art svg { width: 48px; height: 48px; }
.sw-card-main { min-width: 0; }
.sw-card-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sw-card-summary { font-size: var(--fs-sm); color: var(--c-fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sw-card-meta { display: flex; align-items: center; gap: 10px; margin-top: 4px; font-size: var(--fs-xs); color: var(--c-fg-muted); }
.sw-card-action { display: flex; align-items: center; gap: 4px; }
.sw-progress-wrap { width: 128px; }
.sw-progress-label { font-size: var(--fs-xs); color: var(--c-fg-muted); margin-top: 4px; }

.stars { display: inline-flex; gap: 1px; }
.star { width: 9px; height: 9px; background: var(--c-border-strong); clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%); }
.star.on { background: #E5A50A; }
.star.half { background: linear-gradient(90deg, #E5A50A 50%, var(--c-border-strong) 50%); }

.sw-detail-top { padding: 14px 20px 0; }
.sw-detail-hero { display: flex; gap: 20px; padding: 18px 20px 10px; flex-wrap: wrap; }
.sw-detail-art svg { width: 84px; height: 84px; }
.sw-detail-head { flex: 1 1 280px; min-width: 0; }
.sw-detail-name { font-size: 22px; font-weight: 500; }
.sw-detail-summary { color: var(--c-fg-secondary); margin: 2px 0 8px; }
.sw-detail-meta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; font-size: var(--fs-sm); color: var(--c-fg-muted); }
.sw-detail-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.sw-detail-desc { padding: 6px 20px 10px; max-width: 72ch; line-height: 1.6; color: var(--c-fg-secondary); }

.sw-update-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  border-radius: var(--radius-tile);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  flex-wrap: wrap;
}
.sw-update-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-tile);
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  margin-bottom: 6px;
}
.sw-update-icon svg { width: 36px; height: 36px; }
.sw-update-name { font-weight: 500; }
.sw-update-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }
.sw-update-action { min-width: 128px; display: flex; justify-content: flex-end; }

/* ---------------- Image Viewer ---------------- */
.viewer-app { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; background: #1E1E1E; }
.viewer-stage {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 12px;
  background:
    radial-gradient(120% 120% at 50% 0%, #2C2C2C, #171717 70%);
}
.viewer-canvas { display: grid; place-items: center; max-width: 100%; max-height: 100%; }
.viewer-img {
  transition: transform 220ms var(--ease-window);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .55);
  border-radius: 3px;
  overflow: hidden;
  line-height: 0;
}
.viewer-img svg { display: block; }
.viewer-empty { flex: 1 1 auto; min-height: 0; background: var(--c-window-bg); }
.viewer-status {
  flex: 0 0 auto;
  display: flex;
  gap: 16px;
  align-items: center;
  height: 26px;
  padding: 0 12px;
  background: #232323;
  color: rgba(246, 245, 244, .72);
  font-size: var(--fs-sm);
  border-top: 1px solid #000;
}
.viewer-status-right { margin-left: auto; }

/* ---------------- System Monitor ---------------- */
.monitor-app { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.monitor-tabs {
  display: flex;
  gap: 2px;
  padding: 5px 8px 0;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-headerbar-bg);
  flex: 0 0 auto;
}
.monitor-tab {
  height: 32px;
  padding: 0 14px;
  border-radius: 8px 8px 0 0;
  font-size: var(--fs-md);
  color: var(--c-fg-secondary);
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease;
}
.monitor-tab:hover { background: var(--c-hover); color: var(--c-fg); }
.monitor-tab.active { background: var(--c-view-bg); color: var(--c-fg); font-weight: 500; box-shadow: inset 0 -2px 0 var(--accent); }
.monitor-body { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 12px; }
.monitor-resources { display: flex; flex-direction: column; gap: 12px; }
.monitor-numbers { margin-bottom: 4px; }
.res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.res-cell {
  padding: 10px 14px;
  border-radius: var(--radius-tile);
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
}
.res-k { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .5px; color: var(--c-fg-muted); font-weight: 700; }
.res-v { font-size: 20px; margin: 2px 0 1px; }
.res-s { font-size: var(--fs-xs); color: var(--c-fg-muted); }

.graph {
  border-radius: var(--radius-tile);
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  padding: 8px 12px 6px;
}
.graph-head { display: flex; justify-content: space-between; align-items: baseline; }
.graph-label { font-size: var(--fs-sm); font-weight: 500; }
.graph-value { font-size: var(--fs-sm); font-variant-numeric: tabular-nums; color: var(--c-fg-muted); }
.graph-svg { width: 100%; height: 70px; margin-top: 2px; display: block; }
.graph-foot { display: flex; justify-content: space-between; font-size: 10px; color: var(--c-fg-disabled); }

.proc-head, .proc-row {
  display: grid;
  grid-template-columns: 1.6fr 90px 74px 84px 74px;
  gap: 10px;
  align-items: center;
  padding: 0 10px;
  height: 32px;
  font-size: var(--fs-sm);
}
.proc-head {
  font-weight: 700;
  color: var(--c-fg-muted);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: -12px;
  background: var(--c-window-bg);
  z-index: 2;
}
.proc-head .sortable { cursor: pointer; display: flex; align-items: center; gap: 4px; }
.proc-head .sortable:hover { color: var(--c-fg); }
.proc-row { border-radius: 5px; cursor: default; }
.proc-row:hover { background: var(--c-hover); }
.proc-row.selected { background: var(--c-selected); }
.proc-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proc-user { color: var(--c-fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proc-num { text-align: right; font-variant-numeric: tabular-nums; color: var(--c-fg-secondary); }
.monitor-actions { padding: 12px 4px; }

.fs-head, .fs-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 80px 90px 100px 1.2fr;
  gap: 10px;
  align-items: center;
  padding: 0 10px;
  height: 36px;
  font-size: var(--fs-sm);
}
.fs-head { font-weight: 700; color: var(--c-fg-muted); border-bottom: 1px solid var(--c-border); }
.fs-row { border-radius: 5px; }
.fs-row:hover { background: var(--c-hover); }
.fs-head .num, .fs-row .num { text-align: right; font-variant-numeric: tabular-nums; }
.fs-bar { display: flex; align-items: center; gap: 8px; justify-content: flex-end; }
.fs-bar i { display: block; height: 6px; border-radius: 3px; background: var(--accent); flex: 1 1 auto; max-width: 110px; }
.fs-bar b { font-weight: 500; min-width: 34px; }

/* ---------------- Help / Media / Photos / Demo ---------------- */
.help-app { display: flex; flex: 1 1 auto; min-height: 0; overflow: hidden; position: relative; }
.help-sidebar {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 8px 6px;
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
}
.help-search { padding: 2px 4px 8px; position: relative; display: flex; align-items: center; }
.help-search .entry { padding-left: 30px; width: 100%; }
.help-content { flex: 1 1 auto; min-width: 0; overflow-y: auto; }
.help-body { max-width: 74ch; padding: 20px 26px 60px; line-height: 1.65; }
.help-body h1 { font-size: 22px; font-weight: 500; margin-bottom: 12px; }
.help-body h2 { font-size: 17px; font-weight: 500; margin: 18px 0 6px; }
.help-body ul { margin: 0 0 14px; padding-left: 22px; }
.help-body li { margin-bottom: 5px; }

.media-app { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.media-body { flex: 1 1 auto; overflow-y: auto; padding: 10px; }
.media-list { display: flex; flex-direction: column; gap: 2px; }
.media-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 10px;
  border-radius: 6px;
  min-height: 48px;
}
.media-row:hover { background: var(--c-hover); }
.media-art { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 6px; background: var(--c-hover); color: var(--accent); flex: 0 0 auto; }
.media-art svg { width: 20px; height: 20px; }
.media-main { flex: 1 1 auto; min-width: 0; }
.media-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.media-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }

.photos-app { flex: 1 1 auto; overflow-y: auto; padding: 14px; background: var(--c-window-bg); }
.photos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.photos-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border-radius: var(--radius-tile);
  border: 1px solid transparent;
  transition: background var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.photos-cell:hover { background: var(--c-hover); border-color: var(--c-border); }
.photos-thumb {
  aspect-ratio: 3 / 2;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-view-bg);
  display: grid;
  place-items: center;
  box-shadow: 0 1px 5px rgba(0, 0, 0, .18);
}
.photos-thumb svg { width: 100%; height: 100%; object-fit: cover; }
.photos-thumb.stub { color: var(--c-fg-disabled); }
.photos-label { font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: center; }

.demo-window { display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; }
.demo-hero {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-headerbar-bg);
  flex: 0 0 auto;
}
.demo-hero-art svg { width: 48px; height: 48px; }
.demo-hero-name { font-size: 17px; font-weight: 500; }
.demo-hero-sub { font-size: var(--fs-sm); color: var(--c-fg-muted); }
.demo-app { flex: 1 1 auto; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; }
.demo-note { padding: 12px 18px 24px; font-size: var(--fs-sm); color: var(--c-fg-muted); }
.demo-split { display: flex; flex: 1 1 auto; min-height: 0; overflow: hidden; }
.demo-col { display: flex; flex-direction: column; min-width: 0; }
.demo-tree, .demo-folders, .demo-chans {
  flex: 0 0 190px;
  padding: 8px 6px;
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
}
.demo-tree-row, .demo-folder, .demo-chan {
  padding: 5px 10px;
  border-radius: 6px;
  font-size: var(--fs-sm);
  cursor: default;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.demo-tree-row:hover, .demo-folder:hover, .demo-chan:hover { background: var(--c-hover); }
.demo-tree-row.dir { font-weight: 700; }
.demo-folder.unread { font-weight: 700; }
.demo-chan.active, .demo-folder.unread { color: var(--c-selected-fg); }
.demo-code {
  flex: 1 1 auto;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  white-space: pre;
  overflow: auto;
}
.demo-code .ln { display: inline-block; width: 26px; color: var(--c-fg-disabled); user-select: none; }
.demo-code .c { color: var(--c-fg); }
.demo-msgs { flex: 1 1 auto; overflow-y: auto; }
.demo-msg { padding: 8px 12px; border-bottom: 1px solid var(--c-border); cursor: default; }
.demo-msg:hover { background: var(--c-hover); }
.demo-msg.active { background: var(--c-selected); }
.demo-msg-from { font-weight: 700; font-size: var(--fs-sm); }
.demo-msg-subj { font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-msg-time { font-size: var(--fs-xs); color: var(--c-fg-muted); }
.demo-reader { flex: 1 1 auto; padding: 18px 22px; overflow-y: auto; line-height: 1.6; min-width: 0; }
.demo-thread { flex: 1 1 auto; padding: 12px 16px; overflow-y: auto; }
.demo-chat-msg { padding: 5px 0; font-size: var(--fs-sm); line-height: 1.5; }
.demo-player { display: flex; gap: 18px; padding: 18px; align-items: center; border-bottom: 1px solid var(--c-border); flex-wrap: wrap; }
.demo-player-art svg { width: 92px; height: 92px; }
.demo-player-meta { flex: 1 1 260px; min-width: 0; }
.demo-player-title { font-size: 18px; font-weight: 500; }
.demo-player-sub { color: var(--c-fg-muted); font-size: var(--fs-sm); margin-bottom: 10px; }
.demo-player-bar { height: 6px; border-radius: 3px; background: var(--c-hover); overflow: hidden; margin-bottom: 10px; }
.demo-player-bar i { display: block; height: 100%; width: 32%; background: var(--accent); }
.demo-player-controls { display: flex; gap: 4px; align-items: center; }
.demo-list { padding: 6px 10px 20px; }
.demo-list-row { display: flex; gap: 12px; align-items: center; padding: 6px 10px; border-radius: 6px; font-size: var(--fs-sm); }
.demo-list-row:hover { background: var(--c-hover); }
.demo-list-row.active { background: var(--c-selected); font-weight: 500; }
.demo-list-num { width: 22px; color: var(--c-fg-muted); text-align: right; }
.demo-list-name { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-list-time { color: var(--c-fg-muted); font-variant-numeric: tabular-nums; }
.demo-library { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; padding: 16px; }
.demo-game { border-radius: 10px; overflow: hidden; background: var(--c-card-bg); border: 1px solid var(--c-border); }
.demo-game-art {
  aspect-ratio: 3 / 2;
  background: linear-gradient(135deg, #1B2838, #2A475E);
  color: #C7D5E0;
  display: grid;
  place-items: center;
  font-size: 30px;
  font-weight: 700;
}
.demo-game-name { padding: 8px 10px 2px; font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-game-sub { padding: 0 10px 10px; font-size: var(--fs-xs); color: var(--accent); }
.demo-doc { padding: 26px 34px; line-height: 1.7; max-width: 70ch; }
.demo-doc h2 { font-size: 20px; margin-bottom: 14px; }
.demo-canvas-wrap { flex: 1 1 auto; display: flex; min-height: 0; }
.demo-canvas-tools {
  flex: 0 0 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  background: var(--c-sidebar-bg);
  border-right: 1px solid var(--c-border);
}
.demo-canvas {
  flex: 1 1 auto;
  margin: 14px;
  border-radius: 6px;
  background-color: #fff;
  background-image:
    linear-gradient(45deg, #EDEDED 25%, transparent 25%, transparent 75%, #EDEDED 75%),
    linear-gradient(45deg, #EDEDED 25%, transparent 25%, transparent 75%, #EDEDED 75%);
  background-size: 18px 18px;
  background-position: 0 0, 9px 9px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .18);
}