:root {
  color-scheme: dark;
  --page-bg: #121212;
  --panel-bg: #1a1a1a;
  --panel-bg-deep: #0f0f0f;
  --border: #333;
  --text: #e0e0e0;
  --muted: #9aa0a6;
  --green: #00ff00;
  --green-dim: #0ea86b;
  --cyan: #00ffcc;
  --radius: 8px;
  --font-mono: Menlo, "Courier New", Courier, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--text);
  font-family: var(--font-mono);
}

body {
  overflow-x: hidden;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.wrap {
  width: min(1080px, calc(100% - 24px));
  margin: 0 auto;
  padding: 22px 0 32px;
}

.hero {
  margin-bottom: 18px;
}

.tool-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0b0d0c;
  box-shadow: inset 0 0 5px #000;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand:hover,
.brand:focus-visible {
  color: var(--green);
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid #2f3a2fa0;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 900;
  box-shadow: inset 0 0 10px #00ff9910;
}

h1 {
  max-width: 880px;
  margin-bottom: 10px;
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: 1.08;
}

.hero p {
  max-width: 860px;
  color: #d8ddd8;
  font-size: 1rem;
  line-height: 1.55;
}

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

.featured-tools {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr));
}

.tool-card,
.content-card,
.faq-grid article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: inset 0 0 5px #000;
}

.tool-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 14px;
  overflow: hidden;
}

.tool-image {
  margin-bottom: 12px;
  aspect-ratio: 26 / 15;
  object-fit: cover;
}

.tool-card.is-muted {
  opacity: 0.82;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow-text-mark {
  color: var(--cyan);
}

.eyebrow-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  color: var(--cyan);
}

.eyebrow-icon rect,
.eyebrow-icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

h2 {
  margin-bottom: 9px;
  color: var(--green-dim);
  font-size: 1.1rem;
  line-height: 1.25;
}

.tool-card p,
.content-card p,
.faq-grid p {
  color: #d8ddd8;
  font-size: 0.94rem;
  line-height: 1.55;
}

.tool-card p:last-of-type {
  margin-bottom: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: auto;
  padding: 10px 14px;
  border: 1px solid #2b2b2b;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #26332a, #151a17);
  color: #b8ffb8;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(0, 255, 153, 0.06), inset 0 0 8px rgba(0, 0, 0, 0.5);
}

.help-icon-button {
  display: inline-grid;
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  margin-right: 4px;
  place-items: center;
  border: 1px solid #2f4d48;
  border-radius: 50%;
  background: #101817;
  color: var(--cyan);
  cursor: pointer;
  box-shadow: inset 0 0 8px rgba(0, 255, 204, 0.08);
}

.help-icon-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.help-icon-button:hover,
.help-icon-button:focus-visible {
  border-color: var(--cyan);
  color: #e8fff8;
  outline: none;
}

.tool-help-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: grayscale(0.55) brightness(0.68) blur(2px);
}

.tool-help-modal {
  position: relative;
  width: min(760px, 100%);
  max-height: min(82vh, 760px);
  overflow: auto;
  padding: 0;
  border: 1px solid #2d5b51;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #18211f 0, #111615 72px, #0f1211 100%);
  color: var(--text);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.68), inset 0 1px 0 rgba(216, 255, 242, 0.06);
}

.tool-help-modal:focus {
  outline: 2px solid #00ffcc88;
  outline-offset: 3px;
}

.tool-help-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(0, 255, 204, 0.22);
  border-radius: 50%;
  background: rgba(12, 17, 16, 0.78);
  color: #cfeee8;
  font: 800 0.9rem / 1 var(--font-mono);
  cursor: pointer;
}

.tool-help-close:hover,
.tool-help-close:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

.tool-help-body {
  display: grid;
  gap: 0;
  padding: 24px;
  padding-right: 54px;
}

.tool-help-body h2 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: -2px 0 18px;
  padding: 0 0 14px;
  border-bottom: 1px solid rgba(0, 255, 204, 0.16);
  color: #e8fff8;
  font-size: 1.2rem;
  line-height: 1.25;
}

.tool-help-body h2::before {
  content: "i";
  display: inline-grid;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  margin-right: 0;
  place-items: center;
  border: 1px solid rgba(0, 255, 204, 0.32);
  border-radius: 6px;
  background: rgba(0, 255, 204, 0.06);
  color: var(--cyan);
  font-size: 0.9rem;
  font-weight: 900;
  line-height: 1;
}

.tool-help-body section {
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tool-help-body section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.tool-help-body h3 {
  margin: 0 0 8px;
  color: var(--cyan);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: uppercase;
}

.tool-help-body p,
.tool-help-body li {
  color: #d8ddd8;
  font-size: 0.92rem;
  line-height: 1.5;
}

.tool-help-body ul,
.tool-help-body ol {
  display: grid;
  gap: 7px;
  padding-left: 22px;
}

.tool-help-body code {
  color: #d8fff2;
}

body.tool-help-open {
  overflow: hidden;
}

@media (max-width: 560px) {
  .tool-help-overlay {
    padding: 10px;
  }

  .tool-help-modal {
    max-height: 88vh;
  }

  .tool-help-body {
    padding: 18px;
    padding-right: 46px;
  }
}

.secondary-button {
  background: linear-gradient(135deg, #17252b, #101517);
  color: #d8fff2;
}

.button:hover,
.button:focus-visible,
.link-list a:hover,
.link-list a:focus-visible {
  border-color: #00ffcc88;
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.14), inset 0 0 8px rgba(0, 0, 0, 0.5);
}

.content-card {
  margin: 12px 0;
  padding: 18px;
}

.info-card {
  display: grid;
  gap: 12px;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-deep));
  box-shadow: inset 0 0 5px #000;
}

.info-card-header {
  display: grid;
  gap: 5px;
}

.info-card-header h2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  font-size: 1.05rem;
}

.info-card-header p {
  color: #d8ddd8;
  font-size: 0.9rem;
  line-height: 1.45;
}

.compatibility-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid #283028;
  border-radius: var(--radius);
  background: #101514;
}

.compatibility-card h3 {
  margin-bottom: 6px;
  color: var(--green);
  font-size: 0.92rem;
  line-height: 1.25;
}

.compatibility-card p {
  max-width: 780px;
  color: #d8ddd8;
  font-size: 0.88rem;
  line-height: 1.5;
}

.protocol-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.protocol-list li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background: #111;
  color: #b8ffb8;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  list-style: none;
}

.external-links-card {
  display: grid;
  gap: 10px;
  margin: 12px 0;
  padding: 14px;
  border: 1px solid #2f3a2f;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #171b18, #101211);
  box-shadow: inset 0 0 5px #000;
}

.external-links-header {
  display: grid;
  gap: 5px;
}

.external-links-card h2 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  font-size: 1rem;
}

.section-title-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  color: var(--cyan);
}

.section-title-icon rect,
.section-title-icon circle,
.section-title-icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.external-links-card p {
  max-width: 760px;
  color: #d8ddd8;
  font-size: 0.86rem;
  line-height: 1.45;
}

.external-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.external-link-grid a {
  display: grid;
  gap: 5px;
  min-width: 0;
  min-height: 58px;
  padding: 10px 11px;
  border: 1px solid #283028;
  border-radius: var(--radius);
  background: #101514;
  color: #d8fff2;
  font-size: 0.82rem;
  line-height: 1.3;
  text-decoration: none;
}

.external-link-grid a:hover,
.external-link-grid a:focus-visible {
  border-color: #00ffcc88;
  color: #b8ffb8;
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.12), inset 0 0 8px rgba(0, 0, 0, 0.45);
}

.external-link-kicker {
  color: var(--green);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.authority-card {
  display: grid;
  gap: 14px;
}

.authority-card p {
  text-align: justify;
}

.authority-card p a {
  color: #b8ffb8;
  font-weight: 700;
  text-decoration-color: #00ffcc88;
  text-underline-offset: 3px;
}

.authority-card p a:hover,
.authority-card p a:focus-visible {
  color: var(--cyan);
}

.authority-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  gap: 16px;
  align-items: start;
}

.authority-image-link {
  display: block;
  border-radius: var(--radius);
}

.authority-image-link:hover .authority-image,
.authority-image-link:focus-visible .authority-image {
  border-color: #00ffcc88;
  box-shadow: 0 0 8px rgba(0, 255, 204, 0.14);
}

.authority-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0b0d0c;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.capability-grid article {
  min-width: 0;
  padding: 12px;
  border: 1px solid #2b2b2b;
  border-radius: var(--radius);
  background: #111;
}

.capability-grid h3 {
  margin-bottom: 7px;
  color: var(--green);
  font-size: 0.92rem;
  line-height: 1.25;
}

.link-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.link-list a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid #2b2b2b;
  border-radius: var(--radius);
  background: #111;
  color: #b8ffb8;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.faq-grid article {
  padding: 14px;
}

.faq-grid code {
  color: #d8fff2;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 12px, 1080px);
    padding-top: 12px;
  }

  .tool-grid,
  .featured-tools,
  .authority-layout,
  .capability-grid,
  .faq-grid,
  .link-list,
  .external-links-card,
  .external-link-grid {
    grid-template-columns: 1fr;
  }

  .compatibility-card {
    grid-template-columns: 1fr;
  }

  .protocol-list {
    justify-content: flex-start;
  }

  .tool-card {
    min-height: 0;
  }

  .button {
    margin-top: 16px;
  }
}