:root {
  color-scheme: light dark;
  --bg: #f7f4ee;
  --panel: #fffdf8;
  --panel-2: #eef5f2;
  --text: #17202a;
  --muted: #667085;
  --line: #d9ded8;
  --primary: #0b6b68;
  --primary-2: #143a5a;
  --accent: #f0b84b;
  --danger: #b64b5a;
  --shadow: 0 18px 50px rgba(25, 34, 42, .10);
}

[data-theme="dark"] {
  --bg: #10151f;
  --panel: #161d29;
  --panel-2: #1b2a2a;
  --text: #f4f7fb;
  --muted: #b1bbc9;
  --line: #2b3545;
  --primary: #66d2c9;
  --primary-2: #9ac7f7;
  --accent: #f6d06f;
  --danger: #ff8798;
  --shadow: 0 18px 55px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(11, 107, 104, .12), transparent 36%),
    linear-gradient(315deg, rgba(240, 184, 75, .18), transparent 34%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

::selection {
  background: color-mix(in srgb, var(--accent), transparent 40%);
}

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

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: .6rem .8rem;
  background: var(--panel);
  border: 1px solid var(--line);
}

.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid color-mix(in srgb, var(--line), transparent 20%);
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg), transparent 16%);
}

.nav-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: .85rem 1.25rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 7px;
  display: grid;
  place-items: center;
  color: #10151f;
  background: var(--accent);
  box-shadow: inset 0 -8px 20px rgba(0, 0, 0, .08);
}

.nav-menu {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: .92rem;
}

.nav-menu a, .footer-links a, .related-links a {
  padding: .35rem .5rem;
  border-radius: 6px;
}

.nav-menu a:hover, .footer-links a:hover, .related-links a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--primary), transparent 88%);
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: .6rem;
}

.select-label {
  display: flex;
  align-items: center;
  gap: .4rem;
  color: var(--muted);
  font-size: .88rem;
}

select, input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  padding: .72rem .78rem;
}

.select-label select {
  width: auto;
  padding: .45rem 1.8rem .45rem .55rem;
}

.theme-toggle, .nav-toggle {
  min-width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle { display: none; }

.hero, .tool-hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) 1.25rem 2rem;
}

.hero {
  min-height: 46vh;
  display: grid;
  align-items: end;
}

.hero-copy { max-width: 850px; }

.eyebrow {
  margin: 0 0 .85rem;
  color: var(--primary);
  font-weight: 750;
  text-transform: uppercase;
  font-size: .78rem;
}

h1, h2, h3, p { overflow-wrap: anywhere; }

h1 {
  margin: 0;
  max-width: 980px;
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  line-height: .98;
  letter-spacing: 0;
}

.tool-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.3rem);
}

.hero p:not(.eyebrow), .tool-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.tool-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.3rem;
  align-items: center;
  padding-bottom: 1rem;
}

.section-band {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3rem 1.25rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 1.25rem;
}

.section-heading h2, .split-section h2 {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.05;
}

.section-copy {
  color: var(--muted);
  font-size: 1.02rem;
}

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

.tools-grid {
  max-width: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.tool-card, .value-card, .article-card {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel), transparent 5%);
  box-shadow: var(--shadow);
}

.tool-card {
  min-height: 286px;
  display: flex;
  flex-direction: column;
}

.tool-card-top {
  display: flex;
  justify-content: space-between;
  gap: .8rem;
  align-items: start;
}

.tool-card-top span {
  max-width: 9rem;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 750;
  text-align: right;
  text-transform: uppercase;
}

.tool-card h3, .value-card h3, .article-card h3 {
  margin: 1rem 0 .55rem;
  font-size: 1.15rem;
  line-height: 1.18;
}

.tool-card p, .value-card p, .article-card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: .94rem;
}

.tool-card .button { margin-top: auto; }

.tool-icon {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--primary-2);
  background: var(--panel-2);
}

.tool-icon svg { width: 1.45rem; height: 1.45rem; }

.mini-icon {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--primary);
  background: var(--panel-2);
  font-weight: 800;
  font-size: .78rem;
}

.tool-icon.large {
  width: 4.8rem;
  height: 4.8rem;
  color: var(--primary);
}

.tool-icon.large svg { width: 2.7rem; height: 2.7rem; }

.button {
  min-height: 2.65rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  padding: .65rem .9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  cursor: pointer;
  font-weight: 700;
}

.button-primary {
  border-color: color-mix(in srgb, var(--primary), black 8%);
  background: var(--primary);
  color: color-mix(in srgb, var(--bg), #fff 85%);
}

.button.is-copied {
  border-color: var(--primary);
  transform: translateY(-1px);
}

[data-theme="dark"] .button-primary {
  color: #071312;
}

.tool-workspace, .content-section {
  max-width: 980px;
  margin: 1.25rem auto;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel), transparent 3%);
  box-shadow: var(--shadow);
}

.tool-workspace {
  position: relative;
  overflow: hidden;
}

.tool-workspace::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-2));
}

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

label {
  display: grid;
  gap: .42rem;
  color: var(--muted);
  font-weight: 650;
}

label.check {
  min-height: 3.2rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .8rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
  color: var(--text);
}

label.check input { width: auto; }

.result-panel {
  margin-top: 1rem;
  display: grid;
  gap: .7rem;
}

.compact-controls {
  grid-template-columns: minmax(220px, .35fr);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(120px, .38fr) 1fr auto;
  align-items: center;
  gap: .7rem;
  padding: .72rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
}

.field-row span:first-child {
  color: var(--muted);
  font-weight: 700;
}

.field-row code, .password-output code {
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.button-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.password-output {
  margin-top: 1rem;
  min-height: 4.4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
}

.password-output code {
  font-size: clamp(1rem, 2vw, 1.3rem);
}

.strength {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .8rem;
  align-items: center;
  color: var(--muted);
}

.metric-row {
  margin-top: .8rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel-2);
}

.metric-row span {
  color: var(--muted);
  font-weight: 700;
}

meter {
  width: 100%;
  height: .8rem;
}

.qr-output {
  margin-top: 1rem;
  display: grid;
  place-items: center;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-output canvas {
  width: min(256px, 82vw);
  height: min(256px, 82vw);
}

textarea {
  margin-top: 1rem;
  min-height: 18rem;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.table-wrap {
  margin-top: 1rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: .9rem;
}

.data-table th, .data-table td {
  padding: .7rem .8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.data-table th {
  color: var(--muted);
  background: var(--panel-2);
  font-size: .78rem;
  text-transform: uppercase;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.content-section h2 {
  margin: 0 0 .75rem;
  font-size: 1.45rem;
}

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

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  padding: 0;
  list-style: none;
}

.feature-list li, .trust-list span {
  padding: .85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}

.trust-list {
  display: grid;
  gap: .7rem;
  margin-top: 1rem;
}

details {
  border-top: 1px solid var(--line);
  padding: .85rem 0;
}

details:first-of-type { border-top: 0; }

summary {
  cursor: pointer;
  font-weight: 750;
}

.related-links, .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  color: var(--muted);
}

.site-footer {
  max-width: 1180px;
  margin: 4rem auto 0;
  padding: 2rem 1.25rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 520px;
  color: var(--muted);
}

@media (max-width: 1040px) {
  .tools-grid, .value-grid, .article-grid, .feature-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .nav-shell {
    grid-template-columns: auto auto;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    justify-self: end;
  }

  .nav-menu {
    display: none;
    grid-column: 1 / -1;
    justify-content: start;
  }

  .nav-menu.is-open { display: flex; }

  .nav-actions {
    grid-column: 1 / -1;
    justify-content: start;
  }

  .tool-hero {
    grid-template-columns: 1fr;
  }

  .tools-grid, .value-grid, .article-grid, .feature-list, .control-grid, .site-footer, .split-section {
    grid-template-columns: 1fr;
  }

  .section-band {
    padding: 2.25rem 1rem;
  }

  .hero, .tool-hero {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .tool-card-top span {
    text-align: left;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .field-row .button {
    justify-self: start;
  }

  .password-output, .strength {
    grid-template-columns: 1fr;
  }
}