/* Arcturious Style Guide V2 — Shared Styles
   =========================================== */

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  font-weight: var(--weight-body);
  background: var(--color-dark-midnight);
  color: var(--color-silver);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Page Layout ── */
.page {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar Navigation ── */
.sidebar {
  width: 240px;
  min-width: 240px;
  padding: 32px 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--color-dark-storm);
  background: var(--color-dark-charcoal);
}

.sidebar__logo {
  padding: 0 24px;
  margin-bottom: 40px;
}

.sidebar__logo img {
  height: 60px;
  width: auto;
  margin-bottom: 8px;
}

.sidebar__logo-subtitle {
  font-size: 13px;
  color: var(--color-silver);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.sidebar__nav {
  flex: 1;
}

.sidebar__link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 24px;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-silver);
  background: transparent;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.sidebar__link:hover {
  color: var(--color-warm-white);
  background: var(--color-dark-slate);
}

.sidebar__link--active {
  font-weight: 600;
  color: var(--color-solar-gold);
  background: var(--color-dark-slate);
  border-left-color: var(--color-solar-gold);
}

.sidebar__footer {
  padding: 0 24px;
}

.sidebar__version {
  padding: 16px 0;
  border-top: 1px solid var(--color-dark-storm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
}

/* ── Main Content ── */
.main {
  flex: 1;
  overflow: auto;
  padding: 48px 56px;
}

/* ── Page Header ── */
.page-header {
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-dark-storm);
}

.page-header__label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-solar-gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.page-header__title {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: 44px;
  color: var(--color-white);
  letter-spacing: var(--tracking-display);
  line-height: 1.1;
}

/* ── Section ── */
.section {
  margin-bottom: 64px;
}

.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: var(--tracking-display);
}

.section__subtitle {
  font-size: 17px;
  color: var(--color-silver);
  margin-bottom: 40px;
  line-height: 1.6;
  max-width: 600px;
}

.section__intro {
  font-size: 17px;
  color: var(--color-silver);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 16px;
}

/* ── Colour Swatch ── */
.swatch {
  cursor: pointer;
  flex: 1 1 180px;
}

.swatch--small {
  flex: 1 1 140px;
}

.swatch__color {
  height: 100px;
  border-radius: 10px 10px 0 0;
  border: 1px solid var(--color-dark-storm);
  border-bottom: none;
  position: relative;
}

.swatch--small .swatch__color {
  height: 64px;
}

.swatch__copied {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 10px 10px 0 0;
  color: var(--color-solar-gold);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.swatch__copied.is-visible {
  display: flex;
}

.swatch__info {
  padding: 12px 14px;
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-top: none;
  border-radius: 0 0 10px 10px;
}

.swatch--small .swatch__info {
  padding: 8px 10px;
}

.swatch__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-white);
}

.swatch--small .swatch__name {
  font-size: 11px;
}

.swatch__hex {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
  margin-top: 2px;
}

.swatch--small .swatch__hex {
  font-size: 10px;
}

.swatch__usage {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 6px;
  line-height: 1.4;
}

/* ── Colour Scale ── */
.scale {
  margin-bottom: 32px;
}

.scale__header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}

.scale__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--color-dark-storm);
  flex-shrink: 0;
}

.scale__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-white);
}

.scale__token {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-silver);
}

.scale__bar {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--color-dark-storm);
}

.scale__step {
  flex: 1;
  cursor: pointer;
  padding: 16px 4px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  min-height: 72px;
  position: relative;
  border-top: 3px solid transparent;
  transition: min-height 0.2s ease;
}

.scale__step--base {
  min-height: 88px;
  border-top-color: #fff;
}

.scale__step-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
  line-height: 1.3;
}

.scale__step--light .scale__step-label {
  color: rgba(0, 0, 0, 0.55);
}

.scale__step--dark .scale__step-label {
  color: rgba(255, 255, 255, 0.65);
}

.scale__step--base .scale__step-label {
  font-weight: 700;
}

.scale__step-copied {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
  display: none;
}

.scale__step-copied.is-visible {
  display: block;
}

.scale__hexes {
  display: flex;
}

.scale__hex-label {
  flex: 1;
  text-align: center;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--color-silver);
}

.scale__hex-label--base {
  color: var(--color-solar-gold);
  font-weight: 600;
}

/* ── Swatch Grid ── */
.swatch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

/* ── Info Card ── */
.info-card {
  padding: 20px;
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
}

.info-card--large {
  padding: 24px;
  border-radius: var(--radius-md);
}

.info-card__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-solar-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.info-card__value {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--color-white);
  margin-bottom: 6px;
}

.info-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-white);
  margin-bottom: 8px;
}

.info-card__desc {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-silver);
  line-height: 1.5;
}

/* ── Do / Don't List ── */
.rule-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.rule-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--color-dark-charcoal);
  border-radius: var(--radius-md);
}

.rule-item--do {
  border: 1px solid rgba(61, 158, 122, 0.2);
}

.rule-item--dont {
  border: 1px solid rgba(224, 90, 96, 0.2);
}

.rule-item__icon {
  font-size: 16px;
  flex-shrink: 0;
}

.rule-item__icon--do {
  color: var(--color-success);
}

.rule-item__icon--dont {
  color: var(--color-error);
}

.rule-item__text {
  font-size: 15px;
  color: var(--color-silver);
}

/* ── Type Specimen ── */
.specimen {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-dark-storm);
}

.specimen__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.specimen__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-solar-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.specimen__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-silver);
}

.specimen__sample {
  color: var(--color-white);
  line-height: 1.3;
  white-space: pre-wrap;
}

/* ── Gradient Swatch ── */
.gradient-swatch {
  flex: 1 1 200px;
}

.gradient-swatch__preview {
  height: 80px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-dark-storm);
}

.gradient-swatch__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-silver);
  margin-top: 10px;
}

.gradient-swatch__value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
  margin-top: 2px;
  word-break: break-all;
}

/* ── Contrast Badge ── */
.contrast-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--color-dark-slate);
  border-radius: var(--radius-sm);
}

.contrast-badge__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.contrast-badge__ratio {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-silver);
}

.contrast-badge__level {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Contrast Pairing Preview ── */
.pairing {
  display: flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-dark-storm);
}

.pairing__preview {
  flex: 1;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pairing__preview-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
}

.pairing__info {
  flex: 2;
  padding: 12px 16px;
  background: var(--color-dark-charcoal);
}

.pairing__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-white);
}

.pairing__use {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 2px;
}

.pairing__contrast {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.pairing__ratio {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-silver);
}

.pairing__level {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Logo Display ── */
.logo-display {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-dark-storm);
}

.logo-display--light {
  border-color: #ddd;
}

.logo-display__preview {
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-display__preview--compact {
  padding: 36px 24px;
  min-height: 200px;
}

.logo-display__preview--horizontal {
  padding: 32px 24px;
  min-height: 100px;
}

.logo-display__meta {
  padding: 14px 18px;
  background: var(--color-dark-charcoal);
}

.logo-display__meta--with-border {
  border-top: 1px solid var(--color-dark-storm);
}

.logo-display__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-white);
}

.logo-display__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 4px;
}

.logo-display__file {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-silver);
  margin-top: 6px;
}

/* ── Logo Card (V2: with download hover & menu) ── */
.logo-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-dark-storm);
  cursor: pointer;
  position: relative;
  transition: box-shadow 0.2s ease;
}

.logo-card:hover {
  box-shadow: 0 0 0 2px var(--color-solar-gold);
}

.logo-card__preview {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.logo-card__download-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  opacity: 0;
  transition: opacity 0.2s ease;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.logo-card:hover .logo-card__download-hint {
  opacity: 1;
}

.logo-card__meta {
  padding: 14px 18px;
  background: var(--color-dark-charcoal);
}

.logo-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-white);
}

.logo-card__desc {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-silver);
  margin-top: 4px;
}

/* ── Download Menu ── */
.download-menu {
  position: absolute;
  bottom: 8px;
  right: 8px;
  z-index: 10;
  background: var(--color-dark-midnight);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 160px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: none;
}

.download-menu.is-open {
  display: block;
}

.download-menu__label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-silver);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  margin-bottom: 4px;
}

.download-menu__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease;
}

.download-menu__btn:hover {
  background: var(--color-dark-slate);
}

.download-menu__btn-format {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-white);
}

.download-menu__btn-size {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-silver);
  margin-left: auto;
}

/* ── Badge / Tag ── */
.badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge--primary {
  color: var(--color-dark-midnight);
  background: var(--color-solar-gold);
}

/* ── Accessibility Table ── */
.contrast-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 700px;
}

.contrast-table th {
  padding: 10px 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  color: var(--color-silver);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 2px solid var(--color-dark-storm);
}

.contrast-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-dark-storm);
}

.contrast-table th:first-child {
  text-align: left;
}

.contrast-table th:not(:first-child),
.contrast-table td:not(:first-child) {
  text-align: center;
}

/* ── Guideline Rule ── */
.guideline {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
}

.guideline__badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
}

.guideline__badge--aa {
  background: rgba(61, 158, 122, 0.09);
  color: var(--color-success);
  border: 1px solid rgba(61, 158, 122, 0.2);
}

.guideline__badge--guidance {
  background: rgba(48, 152, 178, 0.09);
  color: var(--color-info);
  border: 1px solid rgba(48, 152, 178, 0.2);
}

.guideline__text {
  font-size: 15px;
  color: var(--color-silver);
  line-height: 1.5;
}

/* ── Voice Example ── */
.voice-example {
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
}

.voice-example__header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-dark-storm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-white);
}

.voice-example__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.voice-example__col {
  padding: 16px 20px;
}

.voice-example__col--do {
  border-right: 1px solid var(--color-dark-storm);
}

.voice-example__tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.voice-example__tag--do {
  color: var(--color-success);
}

.voice-example__tag--dont {
  color: var(--color-error);
}

.voice-example__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-silver);
  font-style: italic;
}

.voice-example__col--do .voice-example__text {
  color: var(--color-white);
}

/* ── Section Header Row ── */
.section__header-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}

/* ── Download All ── */
.download-all {
  position: relative;
}

.download-all__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--color-solar-gold);
  border-radius: var(--radius-sm);
  color: var(--color-solar-gold);
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.download-all__btn:hover {
  background: var(--color-solar-gold);
  color: var(--color-dark-midnight);
}

.download-all__menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  z-index: 10;
  background: var(--color-dark-midnight);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.download-all__menu.is-open {
  display: block;
}

/* ── Icon Grid ── */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
}

.icon-card {
  padding: 20px;
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
  text-align: center;
  transition: border-color 0.2s ease;
  position: relative;
  cursor: pointer;
}

.icon-card__download-hint {
  position: absolute;
  top: 6px;
  right: 6px;
  opacity: 0;
  transition: opacity 0.2s ease;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 4px;
  padding: 3px 6px;
  display: flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-solar-gold);
}

.icon-card:hover .icon-card__download-hint {
  opacity: 1;
}

.icon-card:hover {
  border-color: var(--color-solar-gold);
}

.icon-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 8px;
}

.icon-card__icon--sm {
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
}

.icon-card__label {
  font-size: 12px;
  color: var(--color-silver);
  font-family: var(--font-mono);
}

/* ── Icon Size Demo ── */
.icon-sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
}

.icon-size {
  text-align: center;
}

.icon-size__box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark-charcoal);
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
  margin: 0 auto;
}

.icon-size__label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-white);
  margin-top: 8px;
}

.icon-size__context {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-silver);
}

/* ── Icon Colour Demo ── */
.icon-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.icon-color {
  text-align: center;
}

.icon-color__box {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-dark-storm);
  border-radius: var(--radius-md);
}

.icon-color__label {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-silver);
  margin-top: 6px;
  max-width: 64px;
}

/* ── Utility Classes ── */
.flex-wrap {
  display: flex;
  flex-wrap: wrap;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mono {
  font-family: var(--font-mono);
}

.heading {
  font-family: var(--font-heading);
}

.text-gold {
  color: var(--color-solar-gold);
}

.text-white {
  color: var(--color-white);
}

.text-silver {
  color: var(--color-silver);
}

.fw-600 {
  font-weight: 600;
}

.fw-700 {
  font-weight: 700;
}