:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: rgba(17, 24, 39, 0.84);
  --panel-strong: #111827;
  --line: rgba(148, 163, 184, 0.18);
  --text: #e5eef9;
  --muted: #93a4b8;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --shadow: 0 28px 60px rgba(2, 6, 23, 0.35);
  --card-min: 144px;
  --card-radius: 20px;
  --grid-gap: 14px;
  --selection-sidebar-width: 256px;
  --selection-sidebar-gap: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 30%),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.18), transparent 24%),
    linear-gradient(180deg, #08101c 0%, #0d1117 48%, #080c14 100%);
  color: var(--text);
}

.app-shell {
  width: min(1600px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
  position: relative;
  padding-right: calc(var(--selection-sidebar-width) + var(--selection-sidebar-gap));
}

.live-reload-status {
  position: fixed;
  top: 14px;
  right: calc(var(--selection-sidebar-width) + 30px);
  z-index: 50;
  border: 1px solid rgba(148, 163, 184, 0.2);
  background: rgba(15, 23, 42, 0.86);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.live-reload-status[data-state="ready"] {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.24);
}

.live-reload-status[data-state="reloading"] {
  color: #fde68a;
  border-color: rgba(253, 230, 138, 0.28);
}

.live-reload-status[data-state="error"] {
  color: #fca5a5;
  border-color: rgba(252, 165, 165, 0.28);
}

.controls,
.catalog {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.controls,
.catalog {
  margin-top: 18px;
  padding: 18px;
}

.browser-layout {
  display: block;
  margin-top: 18px;
}

.panel-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font: inherit;
  color: var(--text);
  font-weight: 600;
  padding: 0 0 14px;
}

.panel-summary::-webkit-details-marker {
  display: none;
}

.panel-summary::after {
  content: "+";
  color: var(--muted);
  font-size: 1.1rem;
}

details[open] > .panel-summary::after {
  content: "−";
}

.panel-summary-note {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.84rem;
}

.panel-body {
  display: grid;
  gap: 16px;
}

.focus-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.focus-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.selection-panel {
  position: fixed;
  right: 18px;
  top: 18px;
  width: var(--selection-sidebar-width);
  max-height: calc(100vh - 36px);
  overflow: auto;
  margin-top: 0;
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.72));
  backdrop-filter: blur(14px);
  border-radius: 24px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
  z-index: 20;
}

.selection-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.catalog {
  margin-top: 0;
}

.selection-title {
  display: grid;
  gap: 6px;
}

.selection-title h2 {
  margin: 0;
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
}

.selection-summary {
  margin: 0;
  color: var(--muted);
}

.selection-tray {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 10px;
}

.selection-chip {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.56);
  aspect-ratio: 1;
}

.selection-chip-main,
.selection-chip-remove {
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.selection-chip-main {
  display: block;
  width: 100%;
  height: 100%;
  padding: 8px;
}

.selection-chip-thumb {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.36);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.selection-chip-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.selection-chip-remove {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: var(--muted);
  display: grid;
  place-items: center;
}

.selection-chip-remove:hover,
.selection-chip-main:hover {
  background: rgba(56, 189, 248, 0.1);
}

.selection-empty,
.recent-empty {
  margin: 0;
  color: var(--muted);
}

.recent-copies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recent-copy {
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(15, 23, 42, 0.48);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 10px;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.recent-copy:hover {
  background: rgba(56, 189, 248, 0.12);
}

.controls {
  display: grid;
  gap: 16px;
}

.search {
  display: grid;
  gap: 8px;
}

.search span {
  color: var(--muted);
  font-size: 0.9rem;
}

.search input {
  width: 100%;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(3, 7, 18, 0.72);
  color: var(--text);
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 1rem;
  outline: none;
}

.search input:focus {
  border-color: rgba(125, 211, 252, 0.65);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}

.pack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(3, 7, 18, 0.36);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.filter-summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.view-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.view-row-standalone {
  margin: 0 0 16px;
}

.page-stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: end;
}

.pack-pill,
.ghost-button {
  border: 1px solid rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.pack-pill.is-active {
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.22), rgba(56, 189, 248, 0.12));
  border-color: rgba(125, 211, 252, 0.58);
}

.catalog-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
  color: var(--muted);
}

.page-info {
  margin: 4px 0 0;
  font-size: 0.85rem;
}

.page-actions {
  display: flex;
  gap: 10px;
}

.ghost-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min), 1fr));
  gap: var(--grid-gap);
}

.icon-card {
  display: grid;
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--card-radius);
  background: rgba(15, 23, 42, 0.55);
  overflow: visible;
  content-visibility: auto;
  contain-intrinsic-size: 180px 220px;
}

.icon-card.is-flat-black {
  background: rgba(241, 245, 249, 0.92);
  border-color: rgba(148, 163, 184, 0.32);
}

.icon-link {
  appearance: none;
  border: 0;
  width: 100%;
  text-align: left;
  display: grid;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  padding: 8px;
  background: transparent;
  cursor: copy;
  font: inherit;
  user-select: none;
  position: relative;
  z-index: 0;
}

.select-toggle {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.8);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.select-toggle:hover {
  border-color: rgba(125, 211, 252, 0.48);
  background: rgba(15, 23, 42, 0.94);
}

.select-toggle.is-selected {
  border-color: rgba(125, 211, 252, 0.72);
  background: rgba(56, 189, 248, 0.2);
}

.icon-preview {
  position: relative;
  display: block;
  min-height: 0;
  overflow: visible;
  padding: 6px;
}

.icon-card.is-flat-black .icon-preview {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(226, 232, 240, 0.94));
  border-radius: 12px;
}

.icon-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: rgba(2, 6, 23, 0.35);
  border-radius: 0;
  clip-path: inset(var(--trim-top, 0%) var(--trim-right, 0%) var(--trim-bottom, 0%) var(--trim-left, 0%));
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
  transform-origin: center;
  will-change: transform;
}

.icon-card.is-flat-black .icon-image {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.92));
}

.selection-chip-thumb img.is-flat-black {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.92));
}

.selection-chip-thumb img {
  clip-path: inset(var(--trim-top, 0%) var(--trim-right, 0%) var(--trim-bottom, 0%) var(--trim-left, 0%));
}

.icon-card:hover .icon-image,
.icon-card:focus-within .icon-image {
  transform: scale(1.22);
  box-shadow: 0 22px 52px rgba(2, 6, 23, 0.3);
  filter: saturate(1.02) brightness(1.03);
}

.icon-card:hover,
.icon-card:focus-within {
  z-index: 3;
}

.file-name {
  position: absolute;
  bottom: 0;
  left: 8px;
  right: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 5px 7px;
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.82);
  border: 1px solid rgba(125, 211, 252, 0.28);
  color: var(--text);
  font-size: 0.68rem;
  line-height: 1;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.icon-card:hover .file-name,
.icon-card:focus-within .file-name {
  opacity: 1;
  transform: translateY(0);
}

.icon-link.is-active,
.icon-link.is-selected {
  background: rgba(15, 23, 42, 0.72);
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.22);
}

.icon-link.is-copied .icon-image {
  box-shadow: 0 20px 48px rgba(56, 189, 248, 0.22);
  filter: saturate(1.05) brightness(1.08);
}

.icon-link.is-copied::after {
  content: attr(data-copy-state);
  justify-self: end;
  margin-top: -4px;
  margin-right: 2px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.18);
  border: 1px solid rgba(125, 211, 252, 0.5);
  color: var(--text);
  font-size: 0.72rem;
  line-height: 1;
}

.icon-meta {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 36px;
  display: grid;
  gap: 2px;
  padding: 6px 8px;
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.72);
  border: 1px solid rgba(125, 211, 252, 0.14);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.icon-meta strong {
  font-size: 0.86rem;
  line-height: 1.15;
}

.icon-meta span {
  color: var(--muted);
  font-size: 0.72rem;
}

.icon-card:hover .icon-meta,
.icon-card:focus-within .icon-meta {
  opacity: 1;
  transform: translateY(0);
}

.icon-link:focus-visible {
  outline: 2px solid rgba(125, 211, 252, 0.9);
  outline-offset: -2px;
}

.focus-link[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
}

.empty-state {
  min-height: 220px;
  border: 1px dashed rgba(148, 163, 184, 0.22);
  border-radius: 20px;
  background: rgba(3, 7, 18, 0.34);
  display: grid;
  place-content: center;
  justify-items: center;
  text-align: center;
  gap: 10px;
  padding: 28px 16px;
}

.empty-state h3 {
  margin: 0;
  font-size: 1.2rem;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

@media (max-width: 900px) {
  .app-shell {
    width: min(100vw - 18px, 1440px);
    padding-right: 0;
    padding-top: 12px;
  }

  .catalog-head {
    align-items: start;
    flex-direction: column;
  }

  .view-row {
    grid-template-columns: 1fr;
  }

  .view-row-standalone {
    margin-bottom: 14px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: start;
  }

  .selection-head {
    flex-direction: column;
    align-items: start;
  }

  .page-stepper {
    justify-content: start;
  }

  .selection-panel {
    position: static;
    width: auto;
    max-height: none;
    overflow: visible;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 18px, 1440px);
  }

  .controls,
  .catalog {
    border-radius: 18px;
    padding: 16px;
  }

  :root {
    --card-min: 124px;
    --card-radius: 16px;
    --grid-gap: 8px;
  }
}