/* ============================================================
   mcp.css — landing-page-only overrides

   Loads AFTER tokens.css and styles.css. Composes on top.
   No new colors — uses only tokens defined in tokens.css.
   ============================================================ */

/* ---------------------------------------------------------------
   Quickstart tabs — install instructions per AI client
   --------------------------------------------------------------- */

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-md);
  padding: 0;
  list-style: none;
}

.tab-button {
  appearance: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--outline);
  background-color: var(--surface-container-low);
  transition: background 200ms ease, color 200ms ease, transform 180ms ease,
    filter 180ms ease;
}

.tab-button:hover {
  background-color: var(--surface-container);
  color: var(--on-surface);
  transform: translateY(-1px);
}

.tab-button[aria-selected="true"] {
  background-color: var(--surface-container-high);
  color: var(--primary);
  filter: drop-shadow(0 0 8px rgba(181, 255, 240, 0.25));
}

.tab-panel {
  display: none;
}

.tab-panel[data-active="true"] {
  display: block;
  animation: tab-fade-in 220ms cubic-bezier(0.2, 0.65, 0.3, 0.95);
}

@keyframes tab-fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------------------------------------------------------------
   Code block — mono with cyan left rule + tone-shifted bg
   --------------------------------------------------------------- */

.code-block {
  background: var(--surface-container-lowest);
  border-radius: var(--radius);
  padding: clamp(18px, 2vw, 26px) clamp(20px, 2.5vw, 32px);
  padding-right: clamp(96px, 10vw, 120px); /* leave room for copy button */
  position: relative;
  color: var(--on-surface);
}

.code-block::before {
  content: "";
  position: absolute;
  top: clamp(18px, 2vw, 26px);
  bottom: clamp(18px, 2vw, 26px);
  left: 0;
  width: 2px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
  opacity: 0.6;
}

.code-block + .code-block {
  margin-top: var(--gap-sm);
}

.code-block__copy {
  position: absolute;
  top: 14px;
  right: 14px;
  appearance: none;
  border: none;
  cursor: pointer;
  background: var(--surface-container-highest);
  color: var(--on-surface);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background 180ms ease, color 180ms ease,
    transform 180ms ease, box-shadow 180ms ease;
  z-index: 2;
  /* Inset highlight + drop shadow gives the button visible "edge"
     without violating the no-line rule (no 1px borders). */
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.4);
}

.code-block__copy:hover {
  background: var(--surface-bright);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 4px 14px rgba(0, 0, 0, 0.5);
}

.code-block__copy:active {
  transform: translateY(0);
}

.code-block__copy[data-copied="true"] {
  background: rgba(69, 223, 164, 0.18);
  color: var(--secondary);
  box-shadow:
    inset 0 1px 0 rgba(69, 223, 164, 0.24),
    0 0 16px rgba(69, 223, 164, 0.22);
}

.code-block__step {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--outline);
  margin: 0 0 14px;
}

.code-block__code {
  display: block;
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(12px, 1vw, 14px);
  line-height: 1.65;
  color: var(--on-surface);
  white-space: pre;
  tab-size: 2;
  overflow-x: auto;
  background: transparent;
}

/* ---------------------------------------------------------------
   Tool card — info-card variant with status badge
   --------------------------------------------------------------- */

.tool-card {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: clamp(20px, 2.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 200ms ease, transform 200ms ease;
}

.tool-card:hover {
  background: var(--surface-container);
  transform: translateY(-2px);
}

.tool-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tool-card__name {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 15px;
  font-weight: 700;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.tool-card__status {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.tool-card__status--live {
  background: rgba(69, 223, 164, 0.12);
  color: var(--secondary);
}

.tool-card__status--coming {
  background: var(--surface-container-high);
  color: var(--outline);
}

.tool-card__status--flagship {
  background: rgba(181, 255, 240, 0.12);
  color: var(--primary);
}

.tool-card__body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--on-surface-variant);
}

/* ---------------------------------------------------------------
   Example prompt — italic Fraunces lede with routed-tool callout
   --------------------------------------------------------------- */

.example-prompt {
  background: var(--surface-container-low);
  border-radius: var(--radius);
  padding: clamp(20px, 2.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 200ms ease, transform 200ms ease;
}

.example-prompt:hover {
  background: var(--surface-container);
  transform: translateY(-2px);
}

.example-prompt__quote {
  font-family: "Fraunces", "Times New Roman", serif;
  font-style: italic;
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.4;
  font-weight: 400;
  color: var(--on-surface);
  font-variation-settings: "opsz" 96, "SOFT" 60, "WONK" 1;
}

.example-prompt__route {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--outline);
}

.example-prompt__route::before {
  content: "→";
  color: var(--primary);
  font-weight: 700;
}

.example-prompt__route code {
  font-family: inherit;
  color: var(--on-surface);
  background: var(--surface-container-high);
  padding: 3px 9px;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

/* ---------------------------------------------------------------
   Missing layout helper — 2-column grid
   (.cols-3 / .cols-4 / .split-50 already exist in styles.css)
   --------------------------------------------------------------- */

.cols-2 {
  display: grid;
  gap: var(--gap-md);
  grid-template-columns: 1fr;
}

@media (min-width: 760px) {
  .cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------------------------------------------------------------
   Reduced motion — disable all decorative motion
   --------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .tab-panel[data-active="true"],
  .tab-button,
  .tool-card,
  .example-prompt {
    animation: none;
    transition: none;
  }
}