:root {
  color-scheme: light;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Segoe UI", sans-serif;
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: #ffffff;
  --surface-muted: #f0f1f5;
  --line-soft: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.12);
  --ink-0: #111111;
  --ink-1: #3b3b3f;
  --ink-2: #6c7078;
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.12);
  --success: #34c759;
  --danger: #ff3b30;
  --shadow-lg: 0 24px 80px rgba(16, 24, 40, 0.08);
  --shadow-sm: 0 12px 36px rgba(16, 24, 40, 0.05);
  background:
    radial-gradient(
      circle at top left,
      rgba(0, 113, 227, 0.11),
      transparent 26%
    ),
    radial-gradient(
      circle at top right,
      rgba(255, 45, 85, 0.1),
      transparent 24%
    ),
    linear-gradient(180deg, #fafafc 0%, #f4f5f8 100%);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-0);
  background: transparent;
}

button,
textarea,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 220px;
  border: 1px solid var(--line-soft);
  border-radius: 26px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-0);
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

textarea:focus {
  border-color: rgba(0, 113, 227, 0.26);
  background: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 4px rgba(0, 113, 227, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

textarea::placeholder {
  color: #9096a0;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  padding: 0 8px;
  border-radius: 8px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 -1px 0 rgba(15, 23, 42, 0.05);
}

.app-shell {
  width: min(1440px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 44px;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
}

.panel {
  border-radius: 32px;
  border: 1px solid var(--line-soft);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
}

.sidebar {
  padding: 28px 22px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.brand-lockup {
  display: flex;
  gap: 14px;
  align-items: center;
  padding-bottom: 6px;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a84ff 0%, #5ac8fa 45%, #ff375f 100%);
  box-shadow: 0 8px 18px rgba(10, 132, 255, 0.22);
}

.eyebrow,
.section-kicker,
.sidebar-label {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.sidebar h1,
.hero h2,
.composer h3,
.processing-panel h3,
.result-panel h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.sidebar h1 {
  font-size: 1.18rem;
}

.sidebar-section {
  padding: 18px;
  border-radius: 24px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow-sm);
}

.sidebar-section strong {
  display: block;
  margin-top: 6px;
  font-size: 1rem;
}

.sidebar-copy {
  margin: 10px 0 0;
  color: var(--ink-2);
  line-height: 1.55;
}

.sidebar-list {
  margin: 10px 0 0;
  padding-left: 1.1rem;
  color: var(--ink-1);
  line-height: 1.65;
}

.workspace {
  display: grid;
  gap: 24px;
}

.hero,
.composer,
.processing-panel,
.result-panel {
  padding: 28px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
  gap: 24px;
  align-items: center;
  overflow: hidden;
}

.hero h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.96;
  max-width: 12ch;
}

.hero-copy {
  margin: 14px 0 0;
  color: var(--ink-1);
  max-width: 58ch;
  line-height: 1.65;
}

.hero-orbital {
  position: relative;
  min-height: 220px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-blue {
  inset: 18px auto auto 12px;
  width: 160px;
  height: 160px;
  background: radial-gradient(
    circle,
    rgba(90, 200, 250, 0.9),
    rgba(0, 113, 227, 0.08) 72%
  );
}

.orb-pink {
  inset: auto 18px 8px auto;
  width: 190px;
  height: 190px;
  background: radial-gradient(
    circle,
    rgba(255, 55, 95, 0.5),
    rgba(255, 255, 255, 0) 72%
  );
}

.orb-silver {
  inset: 66px auto auto 76px;
  width: 164px;
  height: 164px;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(255, 255, 255, 0.98),
    rgba(214, 217, 223, 0.66) 58%,
    rgba(255, 255, 255, 0.14) 100%
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.section-heading h3 {
  margin-top: 4px;
  font-size: 1.48rem;
}

.prompt-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--ink-1);
  font-weight: 600;
}

.composer-meta,
.composer-footer,
.example-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.composer-meta {
  margin-top: 14px;
  color: var(--ink-2);
}

.muted {
  color: var(--ink-2);
}

.example-strip {
  margin-top: 18px;
  align-items: flex-start;
}

.example-label {
  margin-top: 10px;
  color: var(--ink-2);
  font-size: 0.94rem;
  white-space: nowrap;
}

.example-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.example-chip,
.secondary-button,
.primary-button {
  border-radius: 999px;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  transition:
    transform 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease,
    opacity 160ms ease;
}

.example-chip,
.secondary-button {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-1);
}

.example-chip {
  padding: 0.8rem 1rem;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
}

.primary-button {
  padding: 0.85rem 1.35rem;
  background: linear-gradient(180deg, #1482f0 0%, #0071e3 100%);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 14px 26px rgba(0, 113, 227, 0.24);
  font-weight: 700;
}

.secondary-button {
  padding: 0.8rem 1.15rem;
  box-shadow: var(--shadow-sm);
}

.example-chip:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.secondary-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.composer-footer {
  margin-top: 22px;
}

.meta-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-pills span,
.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.12);
  color: #0f4c9a;
  font-size: 0.94rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(420px, 1.1fr);
  gap: 24px;
}

.processing-lead {
  margin: 0 0 20px;
  color: var(--ink-1);
  line-height: 1.6;
}

.progress-track {
  height: 10px;
  border-radius: 999px;
  background: #e7ebf1;
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5ac8fa 0%, #0071e3 100%);
  transition: width 180ms ease;
}

.processing-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.processing-step {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.processing-step strong {
  display: block;
  font-size: 0.98rem;
}

.processing-step p {
  margin: 6px 0 0;
  color: var(--ink-2);
  line-height: 1.55;
}

.step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin-top: 4px;
  border: 1px solid #d0d5dc;
  background: #ffffff;
}

.processing-step-done .step-dot {
  background: var(--success);
  border-color: transparent;
}

.processing-step-active .step-dot {
  background: var(--accent);
  border-color: transparent;
  box-shadow: 0 0 0 6px rgba(0, 113, 227, 0.12);
}

.request-meta {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.6;
}

.error-banner {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255, 59, 48, 0.16);
  background: rgba(255, 59, 48, 0.08);
  color: #b42318;
}

.result-stage {
  margin-top: 18px;
  padding: 18px;
  border-radius: 28px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-sm);
}

.loading-state,
.empty-state {
  min-height: 520px;
  display: grid;
  place-items: center;
  text-align: center;
}

.result-skeleton {
  width: min(100%, 480px);
}

.skeleton-art,
.skeleton-line {
  background: linear-gradient(
    90deg,
    rgba(238, 241, 246, 1) 20%,
    rgba(247, 248, 250, 1) 50%,
    rgba(238, 241, 246, 1) 80%
  );
  background-size: 220% 100%;
  animation: shimmer 1.6s linear infinite;
}

.skeleton-art {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 28px;
}

.skeleton-line {
  height: 14px;
  margin-top: 16px;
  border-radius: 999px;
}

.skeleton-line-wide {
  width: 78%;
}

.skeleton-line:not(.skeleton-line-wide) {
  width: 56%;
}

.empty-illustration {
  width: 180px;
  height: 180px;
  border-radius: 36px;
  background:
    radial-gradient(
      circle at 30% 30%,
      rgba(90, 200, 250, 0.95),
      rgba(0, 113, 227, 0.08) 72%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.82),
      rgba(239, 241, 246, 0.82)
    );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.empty-state h4 {
  margin: 18px 0 10px;
  font-size: 1.16rem;
}

.empty-state p {
  margin: 0;
  color: var(--ink-2);
  max-width: 36ch;
  line-height: 1.6;
}

.image-frame {
  overflow: hidden;
  border-radius: 24px;
  background: linear-gradient(180deg, #eef2f7 0%, #f7f9fc 100%);
}

.image-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.result-copy {
  margin-top: 16px;
}

.result-caption {
  color: var(--ink-2);
  font-size: 0.9rem;
}

.result-copy p {
  margin: 8px 0 0;
  color: var(--ink-1);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -20% 0;
  }
}

@media (max-width: 1120px) {
  .app-shell,
  .dashboard-grid,
  .hero {
    grid-template-columns: 1fr;
  }

  .hero h2 {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 100%);
    padding-top: 14px;
    gap: 18px;
  }

  .sidebar,
  .hero,
  .composer,
  .processing-panel,
  .result-panel {
    padding: 22px;
    border-radius: 28px;
  }

  .section-heading,
  .composer-meta,
  .composer-footer,
  .example-strip {
    flex-direction: column;
    align-items: flex-start;
  }

  .example-list {
    width: 100%;
  }

  .example-chip {
    width: 100%;
    text-align: left;
  }
}