@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500;700&family=Manrope:wght@400;500;600;700&display=swap');

/* ==========================================================================
   Tools design system
   Reuses the Albums theme (tokens from albums.css) so the tools pages sit
   alongside the photography pages: cream paper, Manrope display, DM Mono
   labels, hairline rules and a dark footer.
   ========================================================================== */

body.tools-page {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- Tools directory ---------- */
.tools-intro-section {
  padding-top: clamp(7rem, 14vw, 11rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.tools-intro-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(300px, 1.2fr);
  gap: 2rem;
  align-items: start;
}

.tools-intro-title {
  margin: 0;
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  line-height: 0.9;
  font-weight: 500;
  letter-spacing: -0.06em;
}

.tools-intro-copy {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  line-height: 1.28;
  letter-spacing: -0.03em;
  color: var(--muted);
}

.tools-list {
  display: flex;
  flex-direction: column;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  padding-bottom: clamp(6rem, 12vw, 12rem);
}

.tool-card {
  display: block;
  padding: clamp(1.75rem, 3.5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: background 220ms ease, border-color 220ms ease;
}

.tool-card:hover {
  background: rgba(23, 23, 23, 0.03);
  border-color: rgba(23, 23, 23, 0.4);
}

.tool-card__title {
  margin: 0.5rem 0 0.75rem;
  font-size: clamp(1.9rem, 3.4vw, 3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
}

.tool-card__desc {
  margin: 0 0 1.5rem;
  max-width: 54ch;
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  line-height: 1.55;
  color: var(--muted);
}

.tool-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.2rem;
  transition: border-color 180ms ease, opacity 180ms ease;
}

.tool-card:hover .tool-card__cta {
  border-color: var(--text);
}

/* ---------- Tool subpage ---------- */
.tool-header-section {
  padding-top: clamp(6.5rem, 13vw, 9.5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.tool-back {
  margin-bottom: 2rem;
}

.tool-header-grid {
  display: grid;
  grid-template-columns: minmax(280px, 1.5fr) minmax(200px, 1fr);
  gap: 2.5rem;
  align-items: end;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.tool-page-title {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.tool-page-description {
  margin: 1.25rem 0 0;
  max-width: 60ch;
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  line-height: 1.6;
  color: var(--muted);
}

.tool-meta-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

@media (min-width: 768px) {
  .tool-meta-info {
    align-items: flex-end;
    text-align: right;
  }
}

.tool-body-section {
  padding-bottom: clamp(6rem, 12vw, 12rem);
}

.tool-panel {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.4);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  margin: 0 0 clamp(1.25rem, 2.5vw, 2rem);
}

.tool-panel h2 {
  margin: 0 0 1.25rem;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.tool-panel label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Code entry ---------- */
.code-entry {
  margin-top: 0.75rem;
}

.code-entry input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0;
}

.code-entry input:focus-visible {
  outline: none;
  border-bottom-color: var(--text);
}

.code-entry input::placeholder {
  color: rgba(23, 23, 23, 0.25);
  letter-spacing: 0.04em;
}

.tool-help {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- Decoded result ---------- */
.code-live {
  display: block;
  margin: 1.5rem 0 0;
}

.code-live > p {
  margin: 0;
}

.result-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.result-heading > p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.service-item {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.service-item:last-of-type {
  border-bottom: 0;
}

.service-item ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  line-height: 1.6;
}

.service-item li + li {
  margin-top: 0.4rem;
}

.code-token {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
}

.code-token--unknown {
  border-color: rgba(150, 51, 31, 0.5);
  color: #96331f;
}

.service-item--unknown li {
  color: #96331f;
}

.code-live.error {
  border-left: 2px solid #96331f;
  padding-left: 1rem;
}

.code-live.error > p {
  color: #96331f;
}

/* ---------- Reference chart ---------- */
.tool-panel summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 180ms ease;
}

.tool-panel summary:hover {
  color: var(--text);
}

.tool-panel[open] summary {
  margin-bottom: 1rem;
}

.tool-panel #reference-chart .service-item:first-of-type {
  border-top: 1px solid var(--line);
}

.tool-disclaimer {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--muted);
}

.tool-disclaimer a {
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.1rem;
  transition: border-color 180ms ease, color 180ms ease;
}

.tool-disclaimer a:hover {
  border-color: var(--text);
}

/* ---------- Embedded in a Nicholai OS app window ---------- */
.is-embedded .site-header,
.is-embedded .albums-footer,
.is-embedded .tool-back {
  display: none;
}

.is-embedded .tools-intro-section,
.is-embedded .tool-header-section {
  padding-top: 1.5rem;
}

.is-embedded .tools-list,
.is-embedded .tool-body-section {
  padding-bottom: 2rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .tools-intro-heading,
  .tool-header-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
  }
}