*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; }
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-body);
  background: var(--surface-subtle);
}
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--weight-bold); letter-spacing: var(--tracking-tight); color: var(--text-strong); margin: 0; }
p { margin: 0; }
code, pre, .mono { font-family: var(--font-mono); }
[hidden] { display: none !important; }
.wrap { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-4); }

.icon {
  display: inline-block;
  flex: none;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.icon-download { --icon: url("../assets/icons/download.svg"); }
.icon-copy { --icon: url("../assets/icons/copy.svg"); }
.icon-check { --icon: url("../assets/icons/check.svg"); }
.icon-alert { --icon: url("../assets/icons/circle-alert.svg"); }
.icon-chevron { --icon: url("../assets/icons/chevron-down.svg"); }
.icon-terminal { --icon: url("../assets/icons/terminal.svg"); }
.icon-link { --icon: url("../assets/icons/link.svg"); }

.site-header { background: var(--surface-dark); border-bottom: 1px solid var(--border-on-dark); }
.site-header-inner { display: flex; align-items: center; gap: var(--space-4); min-height: 64px; }
.brand-lockup { display: flex; align-items: center; gap: var(--space-3); }
.brand-link { display: block; border-radius: var(--radius-sm); }
.brand-link:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.site-logo { display: block; height: 28px; width: auto; }
.brand-by { color: var(--neutral-300); font-size: var(--text-sm); }
.develocity-logo { display: block; height: 18px; width: auto; }

.hero { background: var(--surface-dark); color: var(--text-inverse); padding: var(--space-8) 0 calc(var(--space-8) + var(--space-7)); }
.eyebrow { font-size: var(--text-xs); font-weight: var(--weight-bold); letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--gradle-teal); margin-bottom: var(--space-3); }
.hero h1 { color: var(--text-inverse); font-size: var(--text-3xl); line-height: var(--leading-tight); font-weight: var(--weight-black); max-width: 20ch; }
.registered { font-size: 0.4em; vertical-align: super; font-weight: var(--weight-bold); margin-left: 0.05em; }
.lead { margin-top: var(--space-4); max-width: 60ch; font-size: var(--text-md); line-height: var(--leading-relaxed); color: rgba(255, 255, 255, 0.8); }
.lead code, .lead .mono { font-size: 0.9em; color: var(--light-blue); }

.main { margin-top: calc(-1 * var(--space-7)); padding-bottom: var(--space-8); }

.card { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-sm); }
.form-loading { color: var(--text-muted); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5) var(--space-6); }
.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; margin: 0; padding: 0; border: 0; }
.field-wide { grid-column: 1 / -1; }
.field > legend, .field > label {
  padding: 0;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
}
fieldset.field > legend { margin-bottom: var(--space-2); }
.hint { font-size: var(--text-xs); color: var(--text-muted); line-height: var(--leading-normal); }
.hint:empty { display: none; }

.choices { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.choice {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-card);
  font-size: var(--text-sm);
  color: var(--text-strong);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.choice:hover { border-color: var(--border-default); }
.choice:has(input:disabled) { opacity: 0.5; cursor: not-allowed; }
.choice:has(input:disabled):hover { border-color: var(--border-subtle); }
.choice:has(input:disabled) input { cursor: not-allowed; }
.choice:has(input:checked) { border-color: var(--gradle-blue); background: color-mix(in srgb, var(--gradle-blue) 8%, var(--surface-card)); }
.choice:has(input:focus-visible) { box-shadow: var(--shadow-focus); }
.choice-note { font-size: var(--text-xs); color: var(--text-muted); }
.channel-version { font-family: var(--font-mono); }

input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  width: 18px;
  height: 18px;
  margin: 0;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: var(--neutral-0);
  transition: border var(--dur-fast) var(--ease-out);
  cursor: pointer;
}
input[type="radio"]:checked { border: 5px solid var(--gradle-blue); }
input[type="radio"]:focus-visible { outline: none; }

input[type="text"] {
  width: 100%;
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--text-strong);
  padding: 10px 12px;
  background: var(--neutral-0);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
input[type="text"] { font-family: var(--font-mono); }
input[type="text"]:focus { border-color: var(--border-focus); box-shadow: var(--shadow-focus); }
input[aria-invalid="true"], input[aria-invalid="true"]:focus { border-color: var(--danger); }
.error { display: flex; align-items: flex-start; gap: 6px; font-size: var(--text-xs); color: var(--red-700); line-height: var(--leading-normal); }
.error .icon { margin-top: 0.2em; }

.field-switches { gap: var(--space-4); justify-content: center; }
.switch-row { display: flex; align-items: flex-start; gap: var(--space-3); }
.switch-text { display: flex; flex-direction: column; gap: 2px; }
.switch-text label { font-size: var(--text-sm); color: var(--text-strong); cursor: pointer; }
input.switch {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 40px;
  height: 22px;
  margin: 0;
  border: 0;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle closest-side, var(--neutral-0) 92%, transparent 100%) 2px 50% / 18px 18px no-repeat, var(--neutral-300);
  transition: background-position var(--dur-base) var(--ease-out);
  cursor: pointer;
}
input.switch:checked { background: radial-gradient(circle closest-side, var(--neutral-0) 92%, transparent 100%) 20px 50% / 18px 18px no-repeat, var(--gradle-gradient); }
input.switch:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); padding-top: var(--space-5); border-top: 1px solid var(--border-subtle); }
.form-status { font-size: var(--text-sm); color: var(--text-muted); }
.form-status:empty { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font: var(--weight-semibold) var(--text-sm) / 1 var(--font-sans);
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), filter var(--dur-fast) var(--ease-out);
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-lg { min-height: 52px; padding: 13px 26px; font-size: var(--text-md); gap: 10px; }
.btn-primary { background: var(--gradle-gradient); color: var(--text-on-brand); }
.btn-primary:hover { filter: brightness(1.05); }
.btn:disabled, .btn[aria-busy="true"] { opacity: 0.6; cursor: progress; }

.snippets { margin-top: var(--space-8); }
.snippets h2 { font-size: var(--text-2xl); line-height: var(--leading-snug); }
.section-lead { margin: var(--space-2) 0 var(--space-5); color: var(--text-muted); font-size: var(--text-md); }

.snippet { margin-bottom: var(--space-5); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-on-dark); box-shadow: var(--shadow-sm); background: var(--gradle-dark); }
.code-bar { display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 14px; background: var(--gradle-dark-2); border-bottom: 1px solid var(--border-on-dark); font-family: var(--font-mono); font-size: var(--text-xs); color: rgba(255, 255, 255, 0.6); }
.code-dots { display: flex; gap: 6px; }
.code-dots i { width: 11px; height: 11px; border-radius: 50%; opacity: 0.9; }
.code-dots i:nth-child(1) { background: #ff5f56; }
.code-dots i:nth-child(2) { background: #ffbd2e; }
.code-dots i:nth-child(3) { background: #27c93f; }
.code-title { display: inline-flex; align-items: center; gap: 6px; margin-left: 6px; flex: 1; }
#snippet-skill .code-title { flex: none; }
.code-tabs { display: flex; align-self: stretch; flex: 1; gap: 2px; margin: -8px 0 -8px var(--space-3); }
.code-tab {
  padding: 0 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: rgba(255, 255, 255, 0.6);
  font: var(--weight-medium) var(--text-xs) / 1 var(--font-mono);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.code-tab:hover { color: var(--text-inverse); }
.code-tab[aria-selected="true"] { color: var(--text-inverse); border-bottom-color: var(--gradle-blue); }
.code-tab:focus-visible { outline: none; box-shadow: inset var(--shadow-focus); }
.snippet-body[role="tabpanel"]:focus-visible { outline: none; box-shadow: inset var(--shadow-focus); }
.code-links { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); padding: 10px 14px; border-top: 1px solid var(--border-on-dark); background: var(--gradle-dark-2); font-size: var(--text-sm); }
.code-link { color: var(--light-blue); font-weight: var(--weight-bold); text-underline-offset: 3px; border-radius: var(--radius-xs); }
.code-link:hover { color: var(--text-inverse); }
.code-link:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 6px 12px;
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-sm);
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  font: var(--weight-bold) var(--text-xs) / 1 var(--font-sans);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.copy:hover { background: rgba(255, 255, 255, 0.06); color: var(--text-inverse); }
.copy:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.copy.is-copied { color: var(--gradle-teal); }
.copy .icon { transition: transform var(--dur-base) var(--ease-out); }
.copy.is-copied .icon { transform: scale(1.1); }

.snippet-body { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); padding: var(--space-4) var(--space-4) var(--space-3); }
.code-lines {
  margin: 0;
  color: #cfe9ef;
  font-size: var(--text-sm);
  line-height: 1.75;
  white-space: pre;
  overflow-x: auto;
  tab-size: 2;
}
.token { cursor: pointer; border-radius: var(--radius-xs); transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out); }
.token-option { color: var(--light-blue); }
.token-command { color: var(--gradle-teal); font-weight: var(--weight-bold); }
.token-separator { color: rgba(255, 255, 255, 0.45); }
.continuation { color: rgba(255, 255, 255, 0.35); user-select: none; }
.token.is-active { background: color-mix(in srgb, var(--gradle-teal) 18%, transparent); color: var(--text-inverse); }

.explain-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: 0;
  border-top: 1px solid var(--border-on-dark);
  background: var(--gradle-dark-2);
  color: rgba(255, 255, 255, 0.8);
  font: var(--weight-bold) var(--text-sm) / 1.2 var(--font-sans);
  text-align: left;
  cursor: pointer;
}
.explain-toggle:hover { color: var(--text-inverse); }
.explain-toggle:focus-visible { outline: none; box-shadow: inset var(--shadow-focus); }
.explain-toggle .icon { transition: transform var(--dur-base) var(--ease-out); }
.explain-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }

.explanation { position: relative; margin-top: var(--space-4); animation: reveal var(--dur-slow) var(--ease-out); }
.connectors { display: none; position: absolute; left: 0; top: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.connectors path { fill: none; stroke: var(--gradle-teal); stroke-opacity: 0.45; stroke-width: 1.5; transition: stroke-opacity var(--dur-fast) var(--ease-out); }
.connectors path.is-active { stroke-opacity: 1; stroke-width: 2; }
.explanation-list { display: flex; flex-direction: column; gap: var(--space-2); margin: 0; }
.explanation-item {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.explanation-item:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.explanation-item.is-active { border-color: var(--gradle-teal); background: color-mix(in srgb, var(--gradle-teal) 8%, transparent); }
.explanation-token { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--light-blue); overflow-wrap: anywhere; }
.explanation-item dd { margin: 2px 0 0; }
.explanation-description { color: rgba(255, 255, 255, 0.88); font-size: var(--text-sm); }
.explanation-value { color: var(--gradle-teal); font-size: var(--text-sm); }
.explanation-value:empty { display: none; }

@keyframes reveal { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.site-footer { background: var(--surface-dark); color: rgba(255, 255, 255, 0.7); font-size: var(--text-sm); padding: var(--space-7) 0; }

@media (min-width: 861px) {
  .snippet-body:has(.explanation:not([hidden])) { grid-template-columns: max-content 96px minmax(0, 1fr); align-items: start; }
  .snippet-body:has(.explanation:not([hidden])) .code-lines { grid-column: 1; overflow-x: visible; }
  .snippet-body:has(.explanation:not([hidden])) .explanation { display: contents; }
  .snippet-body:has(.explanation:not([hidden])) .explanation-list { grid-column: 3; }
  .snippet-body:has(.explanation:not([hidden])) .connectors { display: block; }
  .snippet-body:has(.explanation:not([hidden])) .explanation-token { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

@media (max-width: 860px) {
  .hero { padding: var(--space-7) 0 calc(var(--space-7) + var(--space-6)); }
  .hero h1 { font-size: var(--text-2xl); }
  .lead { font-size: var(--text-base); }
  .card { padding: var(--space-5); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 480px) {
  .wrap { padding: 0 var(--space-4); }
  .card { padding: var(--space-4); }
  .snippet-body { padding: var(--space-3); }
  .code-dots { display: none; }
  .code-title { margin-left: 0; }
  .code-lines { font-size: var(--text-xs); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }