:root {
  --bg: #071018;
  --bg-2: #0c1723;
  --panel: rgba(15, 23, 35, 0.82);
  --panel-strong: rgba(11, 18, 28, 0.96);
  --text: #f4f1ea;
  --muted: rgba(244, 241, 234, 0.72);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --cyan: #58d8ff;
  --amber: #f3c66a;
  --coral: #ff8f6b;
  --mint: #64d2b8;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --radius-xl: 34px;
  --radius-l: 24px;
  --radius-m: 18px;
  --header-h: 82px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.image-generation-page {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 14%, rgba(88, 216, 255, 0.18), transparent 24%),
    radial-gradient(circle at 88% 16%, rgba(255, 143, 107, 0.16), transparent 22%),
    radial-gradient(circle at 76% 82%, rgba(100, 210, 184, 0.14), transparent 20%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

body.image-generation-page::before,
body.image-generation-page::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body.image-generation-page::before {
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 140px 140px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.95), transparent 90%);
}

body.image-generation-page::after {
  background:
    radial-gradient(circle at 18% 18%, rgba(88, 216, 255, 0.18), transparent 18%),
    radial-gradient(circle at 82% 24%, rgba(243, 198, 106, 0.12), transparent 16%),
    radial-gradient(circle at 54% 78%, rgba(255, 143, 107, 0.12), transparent 18%);
  filter: blur(32px);
  opacity: 0.8;
  animation: drift 18s ease-in-out infinite alternate;
}

img {
  display: block;
  max-width: 100%;
}

button,
textarea,
input {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.ig-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.ig-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
  padding: 18px clamp(18px, 3vw, 32px);
  background: rgba(6, 11, 18, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
}

.ig-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.ig-logo {
  width: 126px;
  height: 44px;
  display: block;
  flex: 0 0 126px;
  padding: 8px 10px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.04)),
    linear-gradient(135deg, rgba(0, 107, 232, 0.18), rgba(90, 52, 255, 0.28));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 18px 44px rgba(44, 28, 122, 0.28);
}

.ig-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
}

.ig-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ig-brand-copy strong {
  font-size: 1.02rem;
  letter-spacing: 0.02em;
}

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

.ig-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ig-nav a {
  padding: 10px 16px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.84);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ig-nav a:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

.ig-main {
  position: relative;
  width: min(1560px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.ig-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(280px, 0.72fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 22px;
}

.ig-hero-copy,
.ig-hero-card,
.ig-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.ig-hero-copy {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 18% 18%, rgba(88, 216, 255, 0.14), transparent 24%),
    radial-gradient(circle at 82% 26%, rgba(243, 198, 106, 0.12), transparent 22%),
    linear-gradient(135deg, rgba(18, 28, 42, 0.88), rgba(9, 15, 25, 0.82));
}

.ig-hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -12% -36% auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(88, 216, 255, 0.26), transparent 65%);
  filter: blur(18px);
}

.ig-kicker,
.ig-panel-title p,
.ig-group-head span,
.ig-field span,
.ig-slider span,
.ig-hero-card-top .ig-chip-tag,
.ig-mini-summary span,
.ig-card-meta,
.ig-detail-head p,
.ig-history-item span {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.ig-hero-copy h1 {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  max-width: 12ch;
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC", serif;
  font-size: clamp(3rem, 6vw, 5.8rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.ig-hero-text {
  position: relative;
  z-index: 1;
  max-width: 56ch;
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1.02rem;
}

.ig-hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.ig-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ig-button:hover {
  transform: translateY(-1px);
}

.ig-button-primary {
  background: linear-gradient(135deg, #4fd0ff 0%, #7e78ff 48%, #ff8f6b 100%);
  box-shadow: 0 16px 32px rgba(79, 208, 255, 0.18);
}

.ig-button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.ig-button-small {
  min-height: 40px;
  padding: 0 14px;
  font-size: 0.92rem;
}

.ig-presets {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.ig-chip,
.ig-chip-tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.86);
}

.ig-chip {
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ig-chip:hover {
  transform: translateY(-1px);
}

.ig-chip.is-active {
  border-color: rgba(88, 216, 255, 0.5);
  background: rgba(88, 216, 255, 0.1);
}

.ig-hero-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding: 26px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(243, 198, 106, 0.13), transparent 24%),
    radial-gradient(circle at bottom left, rgba(88, 216, 255, 0.12), transparent 24%),
    rgba(10, 16, 24, 0.82);
}

.ig-hero-card-top strong {
  display: block;
  margin-top: 8px;
  font-size: 1.4rem;
}

.ig-feature-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.ig-feature-list li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-workbench {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr) minmax(280px, 340px);
  gap: 20px;
  align-items: start;
}

.ig-panel {
  border-radius: var(--radius-xl);
}

.ig-controls,
.ig-gallery-stage,
.ig-inspector {
  padding: 24px;
}

.ig-controls {
  position: sticky;
  top: calc(var(--header-h) + 18px);
}

.ig-inspector {
  position: sticky;
  top: calc(var(--header-h) + 18px);
}

.ig-panel-title h2,
.ig-detail-head h3 {
  margin: 8px 0 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Songti SC", serif;
  font-size: 1.8rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.ig-panel-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.ig-panel-stat {
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.ig-field {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.ig-field textarea {
  width: 100%;
  min-height: 210px;
  padding: 16px 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  resize: vertical;
  line-height: 1.8;
}

.ig-group {
  margin-top: 22px;
}

.ig-group-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.ig-group-head span {
  font-size: 0.96rem;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--text);
}

.ig-group-head small {
  color: var(--muted);
}

.ig-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ig-toolbar {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.ig-mini-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.ig-mini-summary > div {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-mini-summary strong {
  display: block;
  margin-top: 10px;
  font-size: 1rem;
}

.ig-gallery-stage {
  min-height: 100%;
}

.ig-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.ig-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: 12px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    rgba(9, 14, 22, 0.9);
  cursor: pointer;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.ig-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.22);
}

.ig-card.is-selected {
  border-color: rgba(88, 216, 255, 0.54);
  box-shadow: 0 0 0 1px rgba(88, 216, 255, 0.18), var(--shadow);
}

.ig-card-visual {
  position: relative;
  flex: 1;
  min-height: 250px;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.ig-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ig-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(9, 14, 22, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.ig-card-copy {
  display: grid;
  gap: 8px;
  padding: 14px 2px 4px;
}

.ig-card-copy strong {
  font-size: 1rem;
}

.ig-card-copy span {
  color: var(--muted);
  line-height: 1.6;
}

.ig-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.ig-card-actions .ig-button {
  min-height: 36px;
  padding: 0 12px;
  font-size: 0.86rem;
}

.ig-detail {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-detail-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
}

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

.ig-detail-frame {
  position: relative;
  overflow: hidden;
  min-height: 380px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
}

.ig-detail-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ig-detail-caption {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.ig-compare-stage {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(88, 216, 255, 0.09), transparent 28%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-compare-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.03);
  --split: 50%;
}

.ig-compare-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ig-compare-left {
  filter: saturate(1.05) contrast(1.04);
}

.ig-compare-right {
  clip-path: inset(0 0 0 var(--split));
  filter: saturate(1.1) contrast(1.08);
}

.ig-compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 2px;
  margin-left: -1px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.22);
}

.ig-slider {
  display: grid;
  gap: 10px;
}

.ig-slider input[type="range"] {
  width: 100%;
  accent-color: var(--cyan);
}

.ig-compare-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ig-compare-meta > div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ig-compare-meta strong {
  display: block;
  margin-top: 8px;
  line-height: 1.5;
}

.ig-history {
  margin-top: 22px;
}

.ig-history-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.ig-history-item {
  padding: 14px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.ig-history-item strong {
  display: block;
  margin-top: 8px;
  font-size: 0.98rem;
}

.ig-history-item p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.58;
}

@keyframes drift {
  from {
    transform: translate3d(-1%, -1%, 0) scale(1);
  }
  to {
    transform: translate3d(1%, 1%, 0) scale(1.05);
  }
}

@media (max-width: 1220px) {
  .ig-hero,
  .ig-workbench {
    grid-template-columns: 1fr;
  }

  .ig-controls,
  .ig-inspector {
    position: static;
  }
}

@media (max-width: 900px) {
  .ig-main {
    width: min(100% - 20px, 1560px);
    padding-top: 18px;
  }

  .ig-header {
    flex-direction: column;
    align-items: start;
    gap: 14px;
    padding-block: 16px;
  }

  .ig-nav {
    flex-wrap: wrap;
  }

  .ig-gallery {
    grid-template-columns: 1fr;
  }

  .ig-panel-title-row,
  .ig-detail-head,
  .ig-group-head {
    align-items: start;
    flex-direction: column;
  }

  .ig-detail-actions,
  .ig-toolbar {
    flex-wrap: wrap;
  }

  .ig-mini-summary,
  .ig-compare-meta {
    grid-template-columns: 1fr;
  }

  .ig-detail-frame,
  .ig-card {
    min-height: 300px;
  }
}