:root {
  color-scheme: dark;
  --bg: #0E1014;
  --card: #161920;
  --card-border: #232731;
  --field-bg: #0F1216;
  --field-border: #2C313C;
  --header-border: #1F232B;
  --text: #ECEEF2;
  --label: #C9CED6;
  --muted: #9AA1AD;
  --accent: #8FA8FF;
  --accent-soft: #1E2433;
  --accent-text: #D3DDFF;
  --accent-disabled: #5E6E9E;
  --on-accent: #0E1014;
  --link: #A9BCFF;
  --placeholder: #6B7280;
  --focus-ring: rgba(143, 168, 255, .28);
  --pill-border: #262A33;
  --btn-bg: #1B1F27;
  --code-bg: #0B0D10;
  --success-bg: #12241B;
  --success-border: #23573D;
  --success: #5FD39A;
  --success-text: #B9F0D2;
  --success-title: #E3FBEE;
  --error-bg: #2A1416;
  --error-border: #6B2A2E;
  --error: #FF7A70;
  --error-text: #FFC9C4;
  --error-title: #FFE4E1;
  --error-pre: #F2B8B2;
  --field-error: #FFB4AC;
  --copy-bg: #3A1B1E;
  --empty-error-border: #4A2326;
  --on-badge: #0E1014;
  --frame-loading: #1E222B;
  --frame-done: #232834;
  --tag-bg: rgba(14, 16, 20, .8);
  --dots-bg: #07090D;
  --dot-dim: #2A2F3A;
  --dot-lit: #7FA0FF;
  --glow: rgba(88, 128, 255, .34);
  --pill-bg: rgba(14, 16, 20, .78);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #F5F6F8;
  --card: #FFFFFF;
  --card-border: #E2E5EA;
  --field-bg: #FFFFFF;
  --field-border: #D5D9E0;
  --header-border: #E2E5EA;
  --text: #14171C;
  --label: #3A404B;
  --muted: #5D6470;
  --accent: #3355E0;
  --accent-soft: #EAF0FF;
  --accent-text: #2442B8;
  --accent-disabled: #9AA8E8;
  --on-accent: #FFFFFF;
  --link: #2442B8;
  --placeholder: #6B7280;
  --focus-ring: rgba(51, 85, 224, .22);
  --pill-border: #E2E5EA;
  --btn-bg: #F1F3F6;
  --code-bg: #F1F3F6;
  --success-bg: #E8F6EE;
  --success-border: #A8D9BC;
  --success: #1E8A52;
  --success-text: #145C36;
  --success-title: #0E4A2A;
  --error-bg: #FDECEA;
  --error-border: #F0B4AD;
  --error: #D13B30;
  --error-text: #9B1C14;
  --error-title: #7A140E;
  --error-pre: #9B1C14;
  --field-error: #B42318;
  --copy-bg: #FFFFFF;
  --empty-error-border: #F0B4AD;
  --on-badge: #FFFFFF;
  --frame-loading: #E9ECF1;
  --frame-done: #EEF0F4;
  --tag-bg: rgba(255, 255, 255, .88);
  --dots-bg: #E4E8F0;
  --dot-dim: #B3BAC9;
  --dot-lit: #2845C4;
  --glow: rgba(51, 85, 224, .26);
  --pill-bg: rgba(255, 255, 255, .9);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
[hidden] { display: none !important; }

.app {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }
input, textarea, button { font: inherit; }
input::placeholder, textarea::placeholder { color: var(--placeholder); }
a { color: var(--link); }
a:hover { color: var(--accent-text); }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Focus */
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}
button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:not(:disabled):hover { filter: brightness(1.08); }

/* Header */
.topbar { border-bottom: 1px solid var(--header-border); }
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 36px; height: 36px; border-radius: 10px; background: var(--accent); color: var(--on-accent);
  display: flex; align-items: center; justify-content: center;
}
.brand-name { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.brand-sub { font-size: 12px; color: var(--muted); }
.pill {
  display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted);
  background: var(--card); border: 1px solid var(--pill-border); padding: 6px 12px; border-radius: 999px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.topbar-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.theme-toggle {
  width: 44px; height: 44px; flex: none; border: 1px solid var(--field-border); border-radius: 10px;
  background: var(--btn-bg); color: var(--label); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.theme-toggle .icon-sun { display: none; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }
html[data-theme="light"] .theme-toggle .icon-sun { display: block; }

/* Layout */
.layout {
  max-width: 1280px; margin: 0 auto; padding: 28px;
  display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start;
}
.col-left {
  flex: 1 1 380px; max-width: 460px; min-width: 0;
  display: flex; flex-direction: column; gap: 20px;
}
.col-right {
  flex: 999 1 560px; min-width: 0;
  display: flex; flex-direction: column; gap: 16px;
}

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: 16px;
  padding: 22px; display: flex; flex-direction: column; gap: 16px;
}
.card-title { display: flex; align-items: center; gap: 10px; }
.card-title h2 { margin: 0; font-size: 15px; font-weight: 700; }
.num {
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 11px;
  color: var(--accent); background: var(--accent-soft); padding: 3px 7px; border-radius: 6px;
}

/* Fields */
.field { display: flex; flex-direction: column; gap: 6px; }
label, legend { font-size: 13px; font-weight: 600; color: var(--label); }
input[type="url"], input[type="text"], input[type="password"], textarea {
  width: 100%; border: 1px solid var(--field-border); border-radius: 10px;
  background: var(--field-bg); color: var(--text);
}
input[type="url"], input[type="text"], input[type="password"] {
  height: 46px; padding: 0 14px; font-size: 13px;
}
textarea { padding: 12px 14px; resize: vertical; line-height: 1.55; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }
.field-error { font-size: 12px; font-weight: 600; color: var(--field-error); }
.field [aria-invalid="true"] { border-color: var(--error); }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; }
.check input { width: 16px; height: 16px; margin: 0; accent-color: var(--accent); }
.field-note { font-size: 12px; color: var(--muted); }


.icon-btn {
  width: 46px; height: 46px; flex: none; border: 1px solid var(--field-border); border-radius: 10px;
  background: var(--btn-bg); color: var(--label); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

/* Size & count */
.fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 8px; }
.size-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.size-tile {
  min-height: 84px; padding: 10px 4px; border-radius: 10px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  border: 1px solid var(--field-border); background: var(--field-bg); color: var(--muted);
}
.size-tile[aria-pressed="true"] { border: 1.5px solid var(--accent); background: var(--accent-soft); color: var(--accent-text); }
.size-tile .shape { display: block; border-radius: 3px; border: 2px solid currentColor; margin-bottom: 4px; }
.size-tile .shape.dashed { border-style: dashed; }
.shape-square { width: 16px; height: 16px; }
.shape-wide { width: 20px; height: 13px; }
.shape-tall { width: 13px; height: 20px; }
.size-label { font-size: 12px; font-weight: 600; }
.size-short { font-size: 10px; opacity: .75; }

.count-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.count-title { font-size: 13px; font-weight: 600; color: var(--label); }
.count-sub { font-size: 12px; color: var(--muted); }
.segmented {
  display: flex; gap: 6px; background: var(--field-bg); border: 1px solid var(--field-border);
  border-radius: 12px; padding: 4px;
}
.seg {
  width: 40px; height: 40px; border: 0; border-radius: 8px; cursor: pointer; font-weight: 700;
  background: transparent; color: var(--muted);
}
.seg[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }

.primary {
  height: 52px; border: 0; border-radius: 12px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-weight: 800; font-size: 15px; color: var(--on-accent); background: var(--accent);
}
.primary:disabled { background: var(--accent-disabled); cursor: not-allowed; }
.kbd { font-size: 11px; opacity: .7; margin-left: 4px; }
.spin { animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Details */
.details { padding: 14px 22px; gap: 0; display: block; }
.details summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--label); }
.details pre, .banner pre {
  margin: 12px 0 4px; padding: 14px; background: var(--code-bg); border: 1px solid var(--header-border);
  color: var(--label); border-radius: 10px; font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; line-height: 1.6; overflow-x: auto; white-space: pre;
}

/* Banners */
.banner { border-radius: 12px; }
.banner.success {
  display: flex; gap: 12px; align-items: center; padding: 12px 14px 12px 16px;
  background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success-text);
}
.banner.error { background: var(--error-bg); border: 1px solid var(--error-border); color: var(--error-text); overflow: hidden; }
.error-head { display: flex; gap: 12px; align-items: center; padding: 12px 14px 12px 16px; }
.banner .badge {
  width: 30px; height: 30px; flex: none; border-radius: 50%; color: var(--on-badge); font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.banner.success .badge { background: var(--success); }
.banner.error .badge { background: var(--error); }
.banner-text { flex: 1; min-width: 0; }
.banner-title { font-weight: 700; overflow-wrap: anywhere; }
.banner.success .banner-title { color: var(--success-title); }
.banner.error .banner-title { color: var(--error-title); }
.banner-note { font-size: 13px; }
.banner.error pre {
  margin: 0; border: 0; border-top: 1px solid var(--error-border); border-radius: 0;
  padding: 14px 16px; color: var(--error-pre); max-height: 420px;
}
.dismiss {
  width: 44px; height: 44px; flex: none; border: 0; border-radius: 8px; background: transparent;
  color: inherit; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.copy-btn {
  height: 40px; padding: 0 14px; flex: none; border: 1px solid var(--error-border); border-radius: 8px;
  background: var(--copy-bg); color: var(--error-title); cursor: pointer; font-size: 13px; font-weight: 600;
}

/* Result */
.result-card { gap: 18px; min-height: 560px; }
.result-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.ghost-btn {
  height: 40px; padding: 0 14px; display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--field-border); border-radius: 10px; color: var(--text);
  font-size: 13px; font-weight: 600; background: var(--btn-bg); cursor: pointer;
}
.inline-error {
  padding: 10px 14px; border-radius: 10px; font-size: 13px;
  background: var(--error-bg); border: 1px solid var(--error-border); color: var(--error-text);
}
.empty {
  flex: 1; border: 1.5px dashed var(--field-border); border-radius: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  color: var(--muted); text-align: center; padding: 48px 24px;
}
.empty-icon {
  width: 56px; height: 56px; border-radius: 16px; background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.empty-title { font-weight: 700; font-size: 16px; color: var(--text); }
.empty-sub { font-size: 13px; max-width: 320px; }
.empty-error { border-color: var(--empty-error-border); color: var(--error-pre); font-size: 13px; flex-direction: row; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.grid.single { grid-template-columns: minmax(0, 1fr); max-width: 620px; width: 100%; margin: 0 auto; }
.frame {
  width: 100%; border-radius: 14px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.frame.loading {
  background: var(--dots-bg); border: 1px solid var(--field-border); color: var(--muted);
  isolation: isolate;
}
/* Animated dot grid: dim dots everywhere, a lit copy revealed by a sweeping band. */
.dots, .dots-lit, .glow { position: absolute; inset: 0; pointer-events: none; }
.dots, .dots-lit {
  background-image: radial-gradient(circle at center, currentColor 1.3px, transparent 1.8px);
  background-size: 12px 12px;
}
.dots { color: var(--dot-dim); }
.dots-fade {
  position: absolute; inset: 0; pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 92%);
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 92%);
}
.dots-lit {
  color: var(--dot-lit);
  -webkit-mask-image: linear-gradient(100deg, transparent 38%, #000 50%, transparent 62%);
  mask-image: linear-gradient(100deg, transparent 38%, #000 50%, transparent 62%);
  -webkit-mask-size: 300% 100%; mask-size: 300% 100%;
  -webkit-mask-position: 100% 0; mask-position: 100% 0;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  animation: sweep-mask 2.8s ease-in-out infinite;
}
.glow {
  background: linear-gradient(100deg, transparent 38%, var(--glow) 50%, transparent 62%);
  background-size: 300% 100%; background-repeat: no-repeat; background-position: 100% 0;
  animation: sweep-glow 2.8s ease-in-out infinite;
}
@keyframes sweep-mask { to { -webkit-mask-position: 0 0; mask-position: 0 0; } }
@keyframes sweep-glow { to { background-position: 0 0; } }
.pct-badge {
  position: absolute; right: 12px; bottom: 12px; z-index: 1; min-width: 52px; text-align: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; font-weight: 600;
  background: var(--pill-bg); color: var(--text); border: 1px solid var(--field-border);
  padding: 4px 10px; border-radius: 999px;
}
.frame.done { background: var(--frame-done); border: 1px solid var(--field-border); color: var(--muted); font-size: 13px; }
.img-btn {
  padding: 0; cursor: pointer; font: inherit; display: block; background: var(--frame-done);
  border: 1px solid var(--field-border); color: var(--muted);
}
.img-btn:hover { border-color: var(--accent); }
.img-btn .edit-hint {
  position: absolute; right: 12px; bottom: 12px; font-size: 12px; font-weight: 700;
  background: var(--pill-bg); color: var(--text); padding: 4px 10px; border-radius: 999px;
  opacity: 0; transition: opacity .15s;
}
.img-btn:hover .edit-hint, .img-btn:focus-visible .edit-hint { opacity: 1; }
.frame img { width: 100%; height: 100%; object-fit: contain; display: block; }
.source-tag {
  position: absolute; top: 12px; left: 12px; font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; background: var(--tag-bg); color: var(--label); padding: 3px 8px; border-radius: 6px;
}
figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
figcaption { display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
figcaption code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.dl-btn {
  height: 40px; padding: 0 16px; display: inline-flex; align-items: center; gap: 8px; border: 0;
  border-radius: 10px; background: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: 700; cursor: pointer;
}
.dl-btn:disabled { background: var(--accent-disabled); cursor: wait; }

/* Feed */
.feed { display: flex; flex-direction: column; gap: 28px; }
.turn { display: flex; flex-direction: column; gap: 12px; }
.turn + .turn { border-top: 1px solid var(--card-border); padding-top: 24px; }
.turn-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.turn-kind {
  font-size: 11px; font-weight: 700; color: var(--accent-text); background: var(--accent-soft);
  padding: 3px 8px; border-radius: 6px;
}
.turn-time { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--muted); }
.turn-head .ghost-btn { margin-left: auto; }
.turn-source { display: flex; gap: 12px; align-items: flex-start; }
.turn-thumb {
  width: 56px; height: 56px; flex: none; object-fit: cover; border-radius: 8px;
  border: 1px solid var(--field-border); background: var(--frame-done);
}
.turn-prompt {
  margin: 0; flex: 1; min-width: 0; overflow-wrap: anywhere; white-space: pre-wrap; color: var(--label);
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.turn-error { background: var(--error-bg); border: 1px solid var(--error-border); border-radius: 12px; color: var(--error-text); overflow: hidden; }
.turn-error .error-head { padding: 12px 14px 12px 16px; }
.turn-error .error-hint { font-size: 13px; }
.turn-error pre {
  margin: 0; padding: 14px 16px; border-top: 1px solid var(--error-border); color: var(--error-pre);
  background: var(--code-bg); font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px; line-height: 1.6; max-height: 420px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere;
}

/* Edit dialog */
.edit-dialog {
  width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 32px); padding: 0;
  border: 1px solid var(--card-border); border-radius: 16px; background: var(--card); color: var(--text);
  font-family: 'Manrope', system-ui, sans-serif; font-size: 15px;
}
.edit-dialog::backdrop { background: rgba(0, 0, 0, .6); }
.edit-body { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.edit-body h2 { margin: 0; font-size: 16px; font-weight: 700; }
.edit-preview {
  width: 100%; max-height: 40vh; object-fit: contain; border-radius: 12px;
  border: 1px solid var(--field-border); background: var(--frame-done);
}
.edit-actions { display: flex; justify-content: flex-end; gap: 10px; }
.edit-actions .dl-btn { height: 40px; }

@media (max-width: 900px) {
  .layout { padding: 16px; gap: 20px; }
  .topbar-inner { padding: 14px 16px; }
  .col-left { max-width: none; flex-basis: 100%; }
  .col-right { flex-basis: 100%; }
  .result-card { min-height: 0; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
  .card { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .spin { animation: none; }
  .dots-lit, .glow { animation: none; }
  .dots-lit { -webkit-mask-position: 50% 0; mask-position: 50% 0; }
  .glow { background-position: 50% 0; }
  .img-btn .edit-hint { transition: none; }
}

/* Reference image attachments */
.attach-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.attach-btn {
  min-height: 40px; padding: 0 14px; display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  border: 1px dashed var(--field-border); border-radius: 10px; background: var(--btn-bg);
  color: var(--text); font-size: 13px; font-weight: 600;
}
.attach-btn:hover { border-color: var(--accent); }
.attach-row:focus-within .attach-btn { outline: 2px solid var(--accent); outline-offset: 2px; }
.attach-row .field-note { flex: 1 1 200px; min-width: 0; }
.attach-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.attach-list:empty { display: none; }
.attach-item { position: relative; width: 64px; height: 64px; }
.attach-item img {
  width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 10px;
  border: 1px solid var(--field-border); background: var(--frame-done);
}
.attach-remove {
  position: absolute; top: -8px; right: -8px; width: 24px; height: 24px; padding: 0; border-radius: 50%;
  border: 1px solid var(--field-border); background: var(--card); color: var(--text); cursor: pointer;
  font-size: 15px; line-height: 1; display: flex; align-items: center; justify-content: center;
}
.card.drag-over, .edit-dialog.drag-over { outline: 2px dashed var(--accent); outline-offset: -6px; }
.turn-thumbs { display: flex; flex-wrap: wrap; gap: 8px; flex: none; max-width: 240px; }