:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #f5f7fb);
  --surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #172033);
  --hint: var(--tg-theme-hint-color, #687289);
  --link: var(--tg-theme-link-color, #1777ff);
  --button: var(--tg-theme-button-color, #1777ff);
  --button-text: var(--tg-theme-button-text-color, #ffffff);
  --danger: var(--tg-theme-destructive-text-color, #c93636);
  --line: color-mix(in srgb, var(--hint) 22%, transparent);
  --field: color-mix(in srgb, var(--surface) 86%, var(--bg));
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

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

input,
textarea {
  user-select: text;
  -webkit-user-select: text;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 54px 8px 8px;
}

.top-actions {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 8px);
  left: 10px;
  z-index: 20;
  display: flex;
  gap: 8px;
  align-items: center;
}

.queue-indicator,
.history-button {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.queue-indicator {
  position: relative;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.queue-indicator[hidden] {
  display: none;
}

.queue-indicator::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid color-mix(in srgb, var(--button) 22%, transparent);
  border-top-color: var(--button);
  border-radius: 50%;
  animation: queue-spin 0.9s linear infinite;
}

.queue-indicator span {
  position: relative;
  z-index: 1;
}

.history-button {
  font-size: 20px;
  line-height: 1;
}

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

.history-overlay {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(0, 0, 0, 0.26);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.history-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.history-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 31;
  width: min(86vw, 360px);
  height: 100dvh;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 12px 12px;
  background: var(--bg);
  color: var(--text);
  transform: translateX(-100%);
  transition: transform 0.18s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-drawer.open {
  transform: translateX(0);
}

.history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.history-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-actions button {
  min-height: 34px;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0 10px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  padding-bottom: 8px;
}

.history-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 8px;
  text-align: left;
  cursor: pointer;
}

.history-item img {
  width: 52px;
  height: 52px;
  border-radius: 7px;
  object-fit: cover;
}

.history-item-text {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.history-item-text strong,
.history-item-text small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-empty {
  color: var(--hint);
  background: var(--surface);
  border-radius: 8px;
  padding: 12px;
}

.image-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: rgba(0, 0, 0, 0.62);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.16s ease;
}

.image-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.image-modal {
  position: fixed;
  inset: calc(env(safe-area-inset-top, 0px) + 12px) 12px 12px;
  z-index: 41;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.image-modal.open {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.image-modal-head {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.image-modal-head button,
.image-modal-head a {
  min-height: 36px;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 0 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.image-modal-head button.copied {
  background: color-mix(in srgb, var(--button) 88%, var(--surface));
  color: var(--button-text);
  transform: scale(0.97);
}

.image-modal img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  border-radius: 8px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.image-modal.copied img {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--button) 72%, transparent);
  transform: scale(0.995);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 12px;
}

.panel,
.result {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.prompt-panel,
.settings-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field,
.slider-field,
.size-box {
  display: grid;
  gap: 7px;
}

.field span,
.slider-field span,
.size-head span {
  color: var(--hint);
  font-size: 13px;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 12px;
  outline: none;
}

select {
  min-height: 44px;
}

textarea {
  resize: vertical;
  min-height: 156px;
}

input:focus,
select:focus,
textarea:focus {
  box-shadow: inset 0 0 0 1.5px var(--button);
}

input[type="range"] {
  padding: 0;
  background: transparent;
  accent-color: var(--button);
}

.grid {
  display: grid;
  gap: 10px;
}

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

.size-box {
  background: transparent;
}

.size-mode {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.size-mode button {
  min-height: 34px;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  color: var(--hint);
  font-weight: 700;
  cursor: pointer;
}

.size-mode button.active {
  background: var(--button);
  color: var(--button-text);
}

.size-head,
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.size-head strong {
  font-size: 17px;
}

.upload {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--surface);
  padding: 12px;
  cursor: pointer;
}

.upload input {
  display: none;
}

.upload span {
  font-weight: 700;
}

.upload small {
  white-space: nowrap;
}

.preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 8px;
}

.thumb {
  display: grid;
  gap: 4px;
}

.thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

.thumb small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.primary,
.link-button {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}

.primary {
  min-height: 46px;
  background: var(--button);
  color: var(--button-text);
  font-weight: 750;
}

.primary:disabled {
  cursor: progress;
  opacity: 0.68;
}

.link-button {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  background: var(--surface);
  color: var(--link);
  font-weight: 700;
}

h2,
p {
  margin: 0;
}

h2 {
  font-size: 17px;
}

.quota,
.status,
small {
  color: var(--hint);
}

.status {
  min-height: 22px;
}

.status.error {
  color: var(--danger);
}

.result {
  margin-top: 14px;
}

.result img {
  display: block;
  width: 100%;
  max-height: 78vh;
  object-fit: contain;
  margin-top: 10px;
  border-radius: 8px;
  background: var(--surface);
}

@media (max-width: 820px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .shell {
    padding: 48px 12px 6px;
  }

  .top-actions {
    top: calc(env(safe-area-inset-top, 0px) + 6px);
    left: 12px;
  }

  .queue-indicator,
  .history-button {
    width: 34px;
    height: 34px;
  }

  .layout,
  .prompt-panel,
  .settings-panel,
  .grid,
  .field,
  .slider-field,
  .size-box {
    gap: 9px;
  }

  .grid.two {
    grid-template-columns: 1fr;
  }

  input,
  select,
  textarea {
    border-radius: 7px;
    padding: 9px 10px;
  }

  select {
    min-height: 38px;
  }

  textarea {
    min-height: 140px;
    max-height: 34dvh;
  }

  .field span,
  .slider-field span,
  .size-head span {
    font-size: 12px;
  }

  .size-head strong {
    font-size: 15px;
  }

  .upload {
    min-height: 48px;
    padding: 11px 10px;
  }

  .upload small,
  .size-box small,
  .quota,
  .status {
    font-size: 12px;
    line-height: 1.25;
  }

  .preview {
    grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
    gap: 6px;
  }

  .thumb small {
    display: none;
  }

  .primary {
    min-height: 48px;
  }

  .status {
    min-height: 16px;
  }
}