:root {
  --color-primary: #2563eb;
  --color-accent: #f59e0b;
  --color-surface: #f8fafc;
  --color-ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.09);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--color-ink);
  background: #eef2f7;
  font-family: Manrope, sans-serif;
  min-height: 100vh;
  animation: page-enter 650ms var(--ease-out) both;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}
.app-shell {
  display: grid;
  grid-template-columns: 315px minmax(0, 1fr);
  min-height: 100vh;
}
.sidebar {
  padding: 30px 24px;
  background: #fff;
  border-right: 1px solid var(--line);
}
.brand {
  display: flex;
  gap: 11px;
  align-items: center;
  margin-bottom: 49px;
}
.brand-mark {
  width: 35px;
  height: 35px;
  border-radius: 10px;
  background: var(--color-ink);
  position: relative;
  overflow: hidden;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.brand-mark::before {
  background: var(--color-primary);
  width: 27px;
  height: 27px;
  top: -8px;
  right: -6px;
}
.brand-mark::after {
  background: var(--color-accent);
  width: 18px;
  height: 18px;
  bottom: -4px;
  left: -3px;
}
.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.eyebrow {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
h1,
h2,
p {
  margin: 0;
}
.sidebar h1 {
  font-size: 28px;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin: 9px 0 12px;
}
.intro {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  margin-bottom: 30px;
}
.swatches {
  display: grid;
  gap: 17px;
}
.swatch-row {
  display: grid;
  grid-template-columns: 39px 1fr;
  align-items: center;
  gap: 12px;
}
.color-input {
  appearance: none;
  width: 39px;
  height: 39px;
  border: 0;
  border-radius: 11px;
  background: none;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}
.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-input::-webkit-color-swatch {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 11px;
}
.color-name {
  display: block;
  font-size: 13px;
  font-weight: 700;
}
.color-value {
  display: block;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 11px;
  margin-top: 3px;
  text-transform: uppercase;
}
.preset-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 36px 0 12px;
}
.preset-label span:last-child {
  color: var(--muted);
  font-size: 11px;
}
.presets {
  display: flex;
  gap: 8px;
}
.preset {
  width: 37px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  background: #fff;
}
.preset i {
  border-radius: 3px;
  display: block;
}
.preset:hover,
.preset:focus-visible {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.motion-controls {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.motion-controls .eyebrow {
  display: block;
  margin-bottom: 15px;
}
.motion-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  margin: 15px 0 7px;
}
.motion-select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--color-ink);
  background: #fff;
  padding: 10px;
  font-size: 12px;
}
.motion-range {
  width: 100%;
  accent-color: var(--color-primary);
}
.motion-hint {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
  margin-top: 9px;
}
.tool-section {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.section-heading > span:last-child {
  color: var(--muted);
  font-size: 10px;
}
.source-tabs {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  margin-bottom: 10px;
}
.source-tab {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  padding: 6px 8px;
  font-size: 10px;
  white-space: nowrap;
}
.source-tab.active,
.source-tab:hover {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}
.filter-input,
.font-select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--color-ink);
  padding: 9px 10px;
  font-size: 11px;
}
.palette-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
  margin-top: 10px;
  max-height: 190px;
  overflow-y: auto;
  padding: 2px;
}
.palette-card {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 5px;
  text-align: left;
  transition: border-color 180ms ease, transform 180ms var(--ease-out), box-shadow 180ms ease;
}
.palette-card:hover,
.palette-card:focus-visible {
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.palette-colors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  height: 23px;
}
.palette-colors i {
  display: block;
  border-radius: 3px;
}
.palette-name {
  display: block;
  color: var(--muted);
  font-size: 9px;
  margin-top: 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.side-foot {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 50px;
}
.side-foot strong {
  color: var(--color-ink);
}
.workspace {
  padding: 31px clamp(24px, 4vw, 68px) 48px;
  max-width: 1330px;
  width: 100%;
  margin: 0 auto;
  animation: workspace-enter 800ms 80ms var(--ease-out) both;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.topbar p {
  color: var(--muted);
  font-size: 12px;
}
.actions {
  display: flex;
  gap: 9px;
}
.btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--color-ink);
  padding: 10px 15px;
  font-size: 12px;
  font-weight: 800;
  transition: 0.18s ease;
}
.btn:hover {
  border-color: var(--color-ink);
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 25px;
}
.hero h2 {
  font-size: clamp(25px, 3vw, 38px);
  letter-spacing: -1.8px;
  line-height: 1;
}
.hero p {
  color: var(--muted);
  font-size: 13px;
  margin-top: 9px;
}
.status {
  color: #15803d;
  font-family: "DM Mono", monospace;
  font-size: 11px;
}
.preview {
  min-height: 500px;
  padding: clamp(20px, 4vw, 43px);
  background: var(--color-surface);
  border: 1px solid rgba(148, 163, 184, 0.42);
  border-radius: 15px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: border-color 220ms ease, box-shadow 220ms ease;
}
.preview.motion-fade .preview-main {
  animation: fade-in var(--motion-duration, 0.7s) ease both;
}
.preview.motion-slide .preview-main {
  animation: slide-up var(--motion-duration, 0.7s)
    cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.preview.motion-pop .preview-main {
  animation: pop-in var(--motion-duration, 0.7s) cubic-bezier(0.2, 0.8, 0.2, 1)
    both;
}
.preview.motion-float .demo-card {
  animation: float-card 3s ease-in-out infinite;
}
.preview.motion-none * {
  animation: none !important;
  transition: none !important;
}
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes float-card {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-7px);
  }
}
.preview::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.07;
  top: -170px;
  right: -50px;
  animation: orbit-glow 12s ease-in-out infinite alternate;
}
.preview-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}
.preview-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
}
.mini-logo {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 7px;
  display: inline-block;
}
.preview-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 11px;
}
.preview-main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.85fr);
  gap: 50px;
  align-items: center;
  max-width: 850px;
  margin: 92px auto 50px;
}
.preview-main h3 {
  max-width: 560px;
  font-size: clamp(30px, 5vw, 65px);
  letter-spacing: -3.8px;
  line-height: 0.98;
}
.preview-main h3 span {
  color: var(--color-primary);
}
.preview-main p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  max-width: 405px;
  margin: 20px 0 26px;
}
.preview-cta {
  display: flex;
  gap: 9px;
}
.preview-cta button {
  border: 0;
  border-radius: 7px;
  background: var(--color-primary);
  color: #fff;
  padding: 11px 16px;
  font-size: 11px;
  font-weight: 800;
  transition: transform 180ms var(--ease-out), box-shadow 180ms ease, background-color 180ms ease;
}
.preview-cta button:hover {
  transform: translateY(-3px);
  box-shadow: 0 9px 18px color-mix(in srgb, var(--color-primary) 28%, transparent);
}
.preview-cta button:last-child {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--line);
}
.demo-card {
  padding: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(148, 163, 184, 0.27);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  transition: transform 220ms var(--ease-out), box-shadow 220ms ease;
}
.demo-card:hover {
  transform: translateY(-4px) rotate(0.5deg);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.13);
}
.demo-card .bar {
  height: 7px;
  width: 42%;
  border-radius: 99px;
  background: var(--color-accent);
  margin-bottom: 22px;
}
.demo-card h4 {
  font-size: 16px;
  margin: 0 0 8px;
}
.demo-card p {
  font-size: 11px;
  margin: 0 0 19px;
}
.demo-line {
  display: flex;
  gap: 7px;
  align-items: center;
  color: var(--muted);
  font-size: 10px;
  margin-top: 11px;
}
.demo-dot {
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--color-primary);
}
.demo-dot.accent {
  background: var(--color-accent);
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}
.metric {
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 9px;
  transition: transform 180ms var(--ease-out), border-color 180ms ease, box-shadow 180ms ease;
}
.metric:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.07);
  transform: translateY(-3px);
}
.metric strong {
  display: block;
  font-family: "DM Mono", monospace;
  font-size: 19px;
  letter-spacing: -1px;
}
.metric span {
  color: var(--muted);
  font-size: 10px;
  display: block;
  margin-top: 4px;
}
.export-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.info-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 19px;
  animation: panel-enter 700ms 220ms var(--ease-out) both;
}
.info-panel h4 {
  font-size: 12px;
  margin: 0 0 15px;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.code-head h4 {
  margin: 0;
}
.copy-btn {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #fff;
  padding: 6px 9px;
  font-size: 10px;
  font-weight: 800;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms var(--ease-out);
}
.copy-btn:hover,
.copy-btn.is-copying {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.code {
  color: #172554;
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  border-radius: 7px;
  padding: 13px;
  min-height: 64px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow: auto;
  box-shadow: inset 3px 0 0 var(--color-primary);
  transition: background-color 200ms ease, border-color 200ms ease;
}
.code:hover {
  background: #e0e7ff;
  border-color: var(--color-primary);
}
.contrast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  font-size: 11px;
}
.contrast:first-of-type {
  border-top: 0;
}
.pass {
  color: #15803d;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 500;
}
.assistant-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 14px;
  margin-top: 14px;
}
.assistant-box {
  background: #10202d;
  color: #fff;
  border-radius: 11px;
  padding: 20px;
}
.assistant-box h3 {
  font-size: 16px;
  letter-spacing: -0.4px;
  margin: 0 0 7px;
}
.assistant-box p {
  color: #b8c7d4;
  font-size: 11px;
  line-height: 1.5;
  margin-bottom: 14px;
}
.assistant-row {
  display: flex;
  gap: 8px;
}
.assistant-input {
  width: 100%;
  border: 1px solid #385062;
  border-radius: 7px;
  background: #172d3d;
  color: #fff;
  padding: 10px;
  font-size: 11px;
}
.assistant-input::placeholder {
  color: #8fa4b4;
}
.assistant-response {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 20px;
}
.assistant-response h4 {
  font-size: 11px;
  margin: 0 0 9px;
}
.assistant-response p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}
.usage-note {
  color: var(--muted);
  font-size: 11px;
  margin-top: 12px;
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  margin-top: 34px;
  padding: 22px 2px 4px;
  color: var(--muted);
  font-size: 11px;
}
.site-footer > div {
  display: flex;
  align-items: center;
  gap: 9px;
}
.site-footer strong {
  color: var(--color-ink);
  font-size: 12px;
}
.site-footer a {
  color: var(--color-ink);
  font-weight: 800;
  text-decoration: none;
}
.site-footer a:hover {
  color: var(--color-primary);
}
.social-links {
  display: flex;
  align-items: center;
  gap: 7px;
}
.social-links a {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--muted);
}
.social-links a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.social-links svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}
@keyframes page-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes workspace-enter {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes panel-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes orbit-glow {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-24px, 16px, 0) scale(1.08); }
}
@media (max-width: 800px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 22px;
  }
  .brand {
    margin-bottom: 30px;
  }
  .swatches {
    grid-template-columns: 1fr 1fr;
  }
  .side-foot {
    display: none;
  }
  .workspace {
    padding: 24px 18px 35px;
  }
  .topbar {
    align-items: start;
    gap: 15px;
    flex-direction: column;
  }
  .hero {
    display: block;
  }
  .status {
    display: block;
    margin-top: 14px;
  }
  .preview-main {
    grid-template-columns: 1fr;
    margin: 70px auto 35px;
    gap: 35px;
  }
  .preview-links {
    display: none;
  }
  .export-panel,
  .assistant-panel {
    grid-template-columns: 1fr;
  }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (max-width: 420px) {
  .swatches {
    grid-template-columns: 1fr;
  }
  .actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .actions .btn {
    flex: 1;
  }
  .metrics {
    grid-template-columns: 1fr;
  }
  .assistant-row {
    flex-direction: column;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}