:root {
  color-scheme: light;
  --ink: #18212f;
  --muted: #647084;
  --line: #d8dee8;
  --surface: #ffffff;
  --soft: #f4f7fa;
  --accent: #176b87;
  --accent-strong: #0f4c5c;
  --danger: #a73535;
  --shadow: 0 18px 60px rgba(28, 39, 54, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #eef2f6;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

button:hover {
  border-color: #9fb0c3;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 24px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1;
}

.topbar p {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.view-switcher {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.view-switch {
  border: 0;
  padding: 0.48rem 0.7rem;
  color: var(--muted);
  background: transparent;
}

.view-switch.is-active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 6px 18px rgba(28, 39, 54, 0.1);
}

.ghost-button {
  padding: 0.55rem 0.75rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.status {
  flex: 0 0 auto;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

.status.ready {
  color: #1f6b45;
  border-color: #9ad5b4;
}

.status.missing {
  color: var(--danger);
  border-color: #e6a9a9;
}

.status.warning {
  color: #8a5a10;
  border-color: #e4bf73;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(270px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.manager-view {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) minmax(280px, 360px);
  gap: 14px;
  align-items: start;
}

.manager-view[hidden] {
  display: none;
}

.manager-nav,
.manager-main,
.manager-detail-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.manager-nav {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
  padding: 14px;
}

.manager-brand {
  display: grid;
  gap: 2px;
}

.manager-brand span,
.manager-toolbar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manager-brand strong {
  font-size: 1.2rem;
}

.manager-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.manager-stats div {
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.manager-stats strong {
  font-size: 1.2rem;
}

.manager-stats span {
  color: var(--muted);
  font-size: 0.78rem;
}

.manager-tabs {
  display: grid;
  gap: 6px;
}

.manager-tab {
  width: 100%;
  text-align: left;
  color: var(--muted);
  background: transparent;
}

.manager-tab.is-active {
  border-color: #9ad5b4;
  color: #1f6b45;
  background: #effaf4;
}

.manager-main {
  min-height: 620px;
  padding: 14px;
}

.manager-toolbar {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(220px, 360px) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}

.manager-toolbar h2 {
  margin: 3px 0 0;
  font-size: 1.5rem;
}

.manager-search {
  gap: 5px;
}

.manager-search span {
  color: var(--muted);
  font-size: 0.78rem;
}

.manager-search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.72rem 0.8rem;
  color: var(--ink);
  background: var(--soft);
}

.manager-list {
  display: grid;
  gap: 8px;
  max-height: calc(100vh - 210px);
  overflow: auto;
}

.manager-row {
  display: grid;
  gap: 6px;
  width: 100%;
  padding: 10px;
  text-align: left;
  background: var(--surface);
}

.manager-row.is-selected {
  border-color: #8fc8dd;
  background: #f2f9fb;
}

.manager-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.manager-kind {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manager-status {
  padding: 0.24rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  background: var(--soft);
}

.manager-status.ready {
  color: #1f6b45;
  border-color: #9ad5b4;
  background: #effaf4;
}

.manager-status.warning {
  color: #8a5a10;
  border-color: #e4bf73;
  background: #fff8e8;
}

.manager-status.missing {
  color: var(--danger);
  border-color: #e6a9a9;
  background: #fff4f4;
}

.manager-status.active {
  color: var(--accent);
  border-color: #a8cfda;
  background: #eef8fb;
}

.manager-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manager-row small {
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manager-detail-panel {
  position: sticky;
  top: 18px;
  padding: 14px;
}

.manager-detail {
  display: grid;
  gap: 12px;
}

.manager-detail h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.25;
}

.manager-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.manager-action {
  padding: 0.5rem 0.65rem;
}

.manager-action.danger {
  color: var(--danger);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(90px, auto) minmax(0, 1fr);
  gap: 7px 10px;
  margin: 0;
}

.detail-grid dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.detail-grid dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.manager-preview-image {
  width: 100%;
  max-height: 260px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: contain;
  background: var(--soft);
}

.manager-asset-grid {
  display: grid;
  gap: 8px;
}

.manager-asset {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.manager-asset img {
  width: 54px;
  height: 54px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--soft);
}

.manager-asset span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.examples-panel,
.generator-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.examples-panel {
  position: sticky;
  top: 18px;
  padding: 16px;
}

.generator-panel {
  padding: 18px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1rem;
}

.section-heading span {
  color: var(--muted);
  font-size: 0.92rem;
}

.upload-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px dashed #aab6c4;
  border-radius: 8px;
  background: var(--soft);
}

.upload-box input {
  width: 100%;
}

.thumb-grid {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  max-height: calc(100vh - 250px);
  overflow: auto;
}

.thumb {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.thumb img {
  width: 72px;
  height: 72px;
  border-radius: 6px;
  object-fit: cover;
  background: var(--soft);
}

.thumb strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
}

.thumb button {
  margin-top: 8px;
  padding: 0.42rem 0.6rem;
  color: var(--danger);
}

.generator-form {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 650;
}

textarea,
select,
input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.8rem 0.85rem;
  color: var(--ink);
  background: var(--surface);
}

textarea {
  min-height: 148px;
  resize: vertical;
}

.asset-box {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px dashed #aab6c4;
  border-radius: 8px;
  background: var(--soft);
}

.asset-heading {
  margin-bottom: 0;
}

.asset-box input {
  width: 100%;
}

.asset-list {
  display: grid;
  gap: 8px;
}

.asset-file {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  padding: 0.58rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.asset-file span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 12px;
}

.primary {
  justify-self: start;
  border-color: var(--accent);
  color: white;
  background: var(--accent);
}

.primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.prompt-history {
  margin-bottom: 22px;
  padding-top: 4px;
}

.prompt-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}

.prompt-item {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 0.75rem;
  text-align: left;
}

.prompt-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.prompt-item small {
  color: var(--muted);
}

.prompt-item.is-running:disabled {
  cursor: progress;
  opacity: 1;
}

.prompt-loader {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 4px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.prompt-spinner {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border: 2px solid #c6d6df;
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: prompt-spin 800ms linear infinite;
}

@keyframes prompt-spin {
  to {
    transform: rotate(360deg);
  }
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.banner {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.banner-media {
  position: relative;
}

.banner-media img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: var(--soft);
}

.banner-actions {
  position: absolute;
  inset: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  opacity: 0;
  background: rgba(24, 33, 47, 0.56);
  transition: opacity 150ms ease;
}

.banner:hover .banner-actions,
.banner:focus-within .banner-actions {
  opacity: 1;
}

.banner-actions button {
  border-color: rgba(255, 255, 255, 0.82);
  color: white;
  background: rgba(24, 33, 47, 0.72);
}

.banner-actions button:hover {
  border-color: white;
  background: rgba(15, 76, 92, 0.9);
}

.banner-meta {
  display: grid;
  gap: 4px;
  padding: 10px;
}

.banner-meta strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.banner-meta button {
  justify-self: start;
  margin-top: 4px;
  padding: 0.42rem 0.6rem;
  color: var(--danger);
}

.empty {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: var(--soft);
}

.preview-dialog {
  width: min(1100px, calc(100vw - 32px));
  border: 0;
  border-radius: 8px;
  padding: 16px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.preview-dialog::backdrop {
  background: rgba(24, 33, 47, 0.62);
}

.preview-dialog img {
  display: block;
  width: 100%;
  max-height: 72vh;
  object-fit: contain;
  background: var(--soft);
}

.preview-dialog p {
  margin: 12px 0 0;
  color: var(--muted);
}

.close-preview {
  float: right;
  margin-bottom: 10px;
}

.login-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.login-box {
  display: grid;
  gap: 16px;
  width: min(420px, 100%);
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-box h1 {
  margin: 0;
  font-size: 1.8rem;
}

.login-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.8rem 0.85rem;
  color: var(--ink);
  background: var(--surface);
}

.login-error {
  margin: 0;
  color: var(--danger);
}

@media (max-width: 860px) {
  .shell {
    padding: 16px;
  }

  .topbar,
  .workspace {
    display: grid;
  }

  .topbar-actions {
    align-items: stretch;
  }

  .view-switcher {
    width: 100%;
  }

  .view-switch {
    flex: 1;
  }

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

  .manager-nav,
  .manager-detail-panel {
    position: static;
  }

  .manager-toolbar {
    grid-template-columns: 1fr;
  }

  .examples-panel {
    position: static;
  }

  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .controls {
    grid-template-columns: 1fr;
  }

  .status,
  .primary {
    width: 100%;
  }
}