:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-strong: #f0f4f8;
  --ink: #172033;
  --muted: #65728a;
  --line: #dbe3ee;
  --accent: #1e63ff;
  --accent-dark: #1549bd;
  --green: #0e8f68;
  --amber: #b7791f;
  --red: #c2413a;
  --shadow: 0 16px 40px rgba(23, 32, 51, 0.08);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(30, 99, 255, 0.08), transparent 360px),
    var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

button,
.button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: #ffffff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  gap: 0.45rem;
  justify-content: center;
  min-height: 42px;
  padding: 0.62rem 0.95rem;
  text-decoration: none;
}

button:hover,
.button:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

button.secondary,
.button.secondary {
  background: #ffffff;
  border-color: var(--line);
  color: var(--ink);
}

button.secondary:hover,
.button.secondary:hover {
  background: var(--surface-strong);
}

button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--accent);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(30, 99, 255, 0.24);
  outline-offset: 2px;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.header-inner,
.wrap {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 1.25rem;
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-size: 1.08rem;
  font-weight: 850;
  gap: 0.6rem;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, #1e63ff, #13a383);
  border-radius: 7px;
  color: #ffffff;
  display: inline-flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.brand-mark svg,
.tool-icon svg,
.button-icon {
  display: block;
  height: 18px;
  width: 18px;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: 0.9rem;
  margin-left: auto;
}

.main-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.main-nav a[aria-current="page"],
.main-nav a:hover {
  color: var(--ink);
  text-decoration: none;
}

.hero {
  padding: 3rem 0 1.8rem;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
}

.eyebrow {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  margin: 0 0 0.65rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.35rem, 5vw, 4.75rem);
  margin: 0 0 1rem;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  margin: 0 0 0.8rem;
}

h3 {
  font-size: 1.12rem;
  margin: 0 0 0.35rem;
}

.lead {
  color: var(--muted);
  font-size: 1.12rem;
  margin: 0;
  max-width: 68ch;
}

.hero-panel {
  background: #111827;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: #dbeafe;
  min-height: 330px;
  overflow: hidden;
  position: relative;
}

.hero-panel::before {
  background:
    radial-gradient(circle at 18% 20%, rgba(19, 163, 131, 0.34), transparent 25%),
    radial-gradient(circle at 82% 12%, rgba(30, 99, 255, 0.36), transparent 24%);
  content: "";
  inset: 0;
  position: absolute;
}

.hero-panel-inner {
  display: grid;
  gap: 0.65rem;
  padding: 1.25rem;
  position: relative;
}

.terminal-row,
.metric-row {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  display: flex;
  justify-content: space-between;
  min-height: 48px;
  padding: 0.75rem 0.85rem;
}

.terminal-row code {
  color: #f8fafc;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.metric-row strong {
  color: #ffffff;
}

.dot {
  border-radius: 999px;
  display: inline-block;
  height: 10px;
  margin-right: 0.35rem;
  width: 10px;
}

.dot.green {
  background: #13a383;
}

.dot.blue {
  background: #60a5fa;
}

.dot.amber {
  background: #f59e0b;
}

.section {
  padding: 2.25rem 0;
}

.section-head {
  align-items: end;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-head p {
  color: var(--muted);
  margin: 0;
  max-width: 58ch;
}

.search-bar {
  display: flex;
  max-width: 520px;
  position: relative;
}

.search-bar input {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  min-height: 46px;
  padding: 0.65rem 0.9rem;
  width: 100%;
}

.tool-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.category-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.category-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
}

.category-block ul {
  display: grid;
  gap: 0.35rem;
  margin: 0.75rem 0 0;
  padding: 0;
}

.category-block li {
  list-style: none;
}

.category-block a {
  color: var(--ink);
  font-weight: 650;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 210px;
  padding: 1.05rem;
}

.tool-card:hover {
  border-color: rgba(30, 99, 255, 0.4);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.tool-card p {
  color: var(--muted);
  margin: 0;
}

.tool-card-footer {
  align-items: center;
  color: var(--accent);
  display: flex;
  font-weight: 800;
  gap: 0.45rem;
  margin-top: auto;
}

.tool-icon {
  align-items: center;
  background: var(--surface-strong);
  border-radius: 7px;
  color: var(--accent);
  display: inline-flex;
  height: 40px;
  justify-content: center;
  width: 40px;
}

.tool-layout {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1fr) 310px;
  padding: 2rem 0 2.5rem;
}

.tool-main,
.side-panel,
.content-block,
.tool-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tool-main {
  padding: 1.25rem;
}

.tool-intro {
  margin-bottom: 1.1rem;
}

.tool-intro .lead {
  font-size: 1.02rem;
}

.tool-box {
  padding: 1rem;
}

.tool-box + .content-block,
.content-block + .content-block {
  margin-top: 1rem;
}

.content-block {
  padding: 1.1rem;
}

.content-block p,
.content-block li {
  color: var(--muted);
}

.content-columns {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-list {
  margin: 0.65rem 0 0;
  padding-left: 1.2rem;
}

.content-block p:last-child,
.content-block ul:last-child,
.content-block ol:last-child {
  margin-bottom: 0;
}

.field-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label,
.check-field,
.range-value {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 760;
}

.field input,
.field textarea,
.field select {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  min-height: 44px;
  padding: 0.68rem 0.75rem;
  width: 100%;
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.field textarea.tall {
  min-height: 260px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.95rem 0;
}

.status {
  color: var(--muted);
  font-size: 0.9rem;
  min-height: 1.4em;
}

.status.ok {
  color: var(--green);
}

.status.warn {
  color: var(--amber);
}

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

.output,
.preview {
  background: #0f172a;
  border: 1px solid #1f2937;
  border-radius: 7px;
  color: #e5eefc;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  min-height: 140px;
  overflow: auto;
  padding: 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview {
  background: #ffffff;
  color: var(--ink);
  font-family: inherit;
  white-space: normal;
}

.preview code,
.preview pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.preview pre {
  background: #0f172a;
  border-radius: 7px;
  color: #e5eefc;
  overflow: auto;
  padding: 0.8rem;
}

.highlighted-text mark {
  background: #fef3c7;
  border-radius: 4px;
  color: #7c2d12;
  padding: 0.08rem 0.14rem;
}

.result-table {
  border: 1px solid var(--line);
  border-collapse: collapse;
  margin: 0.8rem 0;
  width: 100%;
}

.result-table th,
.result-table td {
  border: 1px solid var(--line);
  padding: 0.7rem;
  text-align: left;
  vertical-align: top;
}

.result-table th {
  background: var(--surface-strong);
  width: 34%;
}

.side-panel {
  align-self: start;
  padding: 1rem;
  position: sticky;
  top: 86px;
}

.side-panel h2 {
  font-size: 1.02rem;
}

.related-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
}

.related-list li {
  list-style: none;
}

.related-list a {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  min-height: 42px;
  padding: 0.55rem 0.65rem;
}

.related-list a:hover {
  background: var(--surface-strong);
  text-decoration: none;
}

.ad-placeholder {
  background: repeating-linear-gradient(45deg, #f7f9fc, #f7f9fc 10px, #eef3f9 10px, #eef3f9 20px);
  border: 1px dashed #c6d2e3;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: 1rem;
  min-height: 210px;
  padding: 1rem;
}

.check-field {
  align-items: center;
  display: inline-flex;
  gap: 0.45rem;
}

.check-field input {
  height: 18px;
  width: 18px;
}

.swatch {
  border: 1px solid var(--line);
  border-radius: 7px;
  min-height: 130px;
}

.stats-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.8rem;
}

.stat b {
  display: block;
  font-size: 1.6rem;
  line-height: 1.1;
}

.stat span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
}

.image-preview {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.image-frame {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 7px;
  display: grid;
  min-height: 220px;
  place-items: center;
  padding: 0.6rem;
}

.image-frame img {
  display: block;
  max-height: 260px;
  max-width: 100%;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 1.5rem;
  padding: 2rem 0;
}

.footer-inner {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--muted);
}

.small {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 920px) {
  .hero-grid,
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }

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

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

@media (max-width: 680px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
    padding-bottom: 0.85rem;
    padding-top: 0.85rem;
  }

  .main-nav {
    flex-wrap: wrap;
    margin-left: 0;
  }

  .hero {
    padding-top: 2rem;
  }

  h1 {
    font-size: 2.25rem;
  }

  .section-head,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .tool-grid,
  .category-grid,
  .field-grid,
  .content-columns,
  .stats-grid,
  .image-preview {
    grid-template-columns: 1fr;
  }

  .tool-main,
  .tool-box,
  .content-block,
  .side-panel {
    padding: 0.85rem;
  }
}