/* YarnKeeper Earth Tone Theme
 * Campfire-feel dark warm palette with amber/ochre accents.
 * Shared across all pages.
 */

/* ===== Theme Custom Properties ===== */
:root {
  --primary: #b45309;
  --bg-main: #1c1410;
  --bg-card: rgba(60, 40, 28, 0.6);
  --bg-nav: rgba(28, 20, 16, 0.95);
  --text-primary: #e8ddd0;
  --text-secondary: #b8a99a;
  --yarn-ochre: #c2742f;
  --border-subtle: rgba(184, 169, 154, 0.15);
  --focus-ring: rgba(180, 83, 9, 0.5);
  --transition-speed: 0.3s;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

a:hover,
a:focus {
  color: var(--text-primary);
}

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

/* ===== Navigation Header ===== */
.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-header__brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.nav-header__links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  font-size: 0.9rem;
}

.nav-header__links li + li::before {
  content: '\00B7';
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.nav-header__links a {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.nav-header__links a[aria-current='page'] {
  color: var(--primary);
}

/* ===== Main Content Container ===== */
.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ===== Mode Switcher ===== */
.mode-switcher {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.mode-switcher__control {
  display: flex;
  background-color: var(--bg-card);
  border-radius: 8px;
  padding: 4px;
  border: 1px solid var(--border-subtle);
}

.mode-switcher__btn {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.mode-switcher__btn:hover {
  color: var(--text-primary);
}

.mode-switcher__btn--active[data-mode='yarn'] {
  background-color: var(--primary);
  color: var(--text-primary);
}

.mode-switcher__btn--active[data-mode='service'] {
  background-color: #7c5a3c;
  color: var(--text-primary);
}

/* ===== Orb ===== */
.orb-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 3rem 0 2rem;
}

.orb {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  transition: background 0.6s ease, box-shadow 0.6s ease;
  will-change: transform;
}

.orb--disconnected {
  background: radial-gradient(circle, #3d2e22 0%, #1c1410 70%);
  box-shadow: none;
}

.orb--listening {
  background: radial-gradient(circle, #b45309 0%, #9a4a2a 50%, #1c1410 100%);
  box-shadow: 0 0 40px rgba(180, 83, 9, 0.4);
  animation: pulse-listening 2s ease-in-out infinite;
}

.orb--speaking {
  background: radial-gradient(circle, #c2742f 0%, #b45309 50%, #1c1410 100%);
  box-shadow: 0 0 60px rgba(194, 116, 47, 0.6);
  animation: pulse-speaking 0.5s ease-in-out infinite;
}

.orb--processing {
  background: radial-gradient(circle, #5c3d2e 0%, #3d2e22 50%, #1c1410 100%);
  box-shadow: 0 0 20px rgba(92, 61, 46, 0.3);
  animation: pulse-processing 1.5s ease-in-out infinite;
}

@keyframes pulse-listening {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

@keyframes pulse-speaking {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}

@keyframes pulse-processing {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

/* ===== Mode-specific Orb Colour Shifts ===== */

/* Yarn mode: warmer amber/ochre (default palette -- no overrides needed) */
.mode-yarn .orb--listening {
  background: radial-gradient(circle, #b45309 0%, #9a4a2a 50%, #1c1410 100%);
  box-shadow: 0 0 40px rgba(180, 83, 9, 0.4);
}

.mode-yarn .orb--speaking {
  background: radial-gradient(circle, #c2742f 0%, #b45309 50%, #1c1410 100%);
  box-shadow: 0 0 60px rgba(194, 116, 47, 0.6);
}

/* Service Helper mode: cooler blue-grey tones */
.mode-service .orb--listening {
  background: radial-gradient(circle, #6b7c8a 0%, #4a5d6b 50%, #1c1410 100%);
  box-shadow: 0 0 40px rgba(107, 124, 138, 0.4);
}

.mode-service .orb--speaking {
  background: radial-gradient(circle, #7a8e9a 0%, #6b7c8a 50%, #1c1410 100%);
  box-shadow: 0 0 60px rgba(122, 142, 154, 0.6);
}

.mode-service .orb--processing {
  background: radial-gradient(circle, #4a5d6b 0%, #3a4d5a 50%, #1c1410 100%);
  box-shadow: 0 0 20px rgba(74, 93, 107, 0.3);
}

.mode-service .orb--disconnected {
  background: radial-gradient(circle, #2e3a42 0%, #1c1410 70%);
}

/* Mic button disabled state during mode switch */
.mic-btn--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== CTA Text ===== */
.cta-text {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 1.5rem;
  min-height: 1.6em;
}

/* ===== Mic Button ===== */
.mic-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  margin: 1.5rem auto 0;
  transition: background-color var(--transition-speed) ease,
    border-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
  font-size: 1.5rem;
  line-height: 1;
}

.mic-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--text-primary);
}

.mic-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.mic-btn--active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--text-primary);
}

.mic-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Mic icon via SVG inline (kept in HTML) */

/* ===== Page Heading & Intro ===== */
.page-heading {
  color: var(--text-primary);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.page-intro {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
}

/* ===== Service Cards (details/summary) ===== */
.services-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-card {
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.service-card__header {
  padding: 1.5rem;
  cursor: pointer;
  list-style: none;
}

.service-card__header::-webkit-details-marker {
  display: none;
}

.service-card__header::marker {
  content: '';
}

.service-card__title {
  color: var(--text-primary);
  font-size: 1.15rem;
  margin: 0;
}

.service-card__desc {
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

details[open] .service-card__header {
  background: rgba(255, 255, 255, 0.03);
}

.service-card__body {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card__body h4 {
  color: var(--yarn-ochre);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.service-card__body p {
  color: var(--text-primary);
  line-height: 1.6;
}

.service-card__body ol {
  padding-left: 1.5rem;
  color: var(--text-primary);
}

.service-card__body ol li {
  margin-bottom: 0.5rem;
}

.service-card__contact {
  margin-top: 1rem;
}

.service-card__contact a {
  color: var(--yarn-ochre);
}

.service-card__contact a:hover {
  color: var(--text-primary);
}

/* ===== Stub Button ===== */
.btn {
  font-family: inherit;
  font-size: 0.95rem;
}

.btn--stub {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--yarn-ochre);
  border-radius: 8px;
  background: transparent;
  color: var(--yarn-ochre);
  cursor: pointer;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease;
}

.btn--stub:hover {
  background-color: var(--yarn-ochre);
  color: var(--bg-main);
}

.btn--stub:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ===== Utility ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Wide Content (Archive / Language) ===== */
.content--wide {
  max-width: 1100px;
}

/* ===== Category Filter Pills ===== */
.pill-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.pill-btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease,
    border-color var(--transition-speed) ease;
}

.pill-btn:hover {
  color: var(--text-primary);
  border-color: var(--yarn-ochre);
}

.pill-btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.pill-active {
  background-color: var(--yarn-ochre);
  color: var(--bg-main);
  border-color: var(--yarn-ochre);
  font-weight: 600;
}

/* ===== Story Grid ===== */
.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.story-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color var(--transition-speed) ease,
    filter var(--transition-speed) ease;
}

.story-card:hover {
  border-color: var(--yarn-ochre);
  filter: brightness(1.05);
}

.story-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.category-badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  background-color: var(--yarn-ochre);
  color: var(--bg-main);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}

.story-summary {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.language-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.language-chip {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background-color: rgba(194, 116, 47, 0.2);
  color: var(--yarn-ochre);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ===== Story Card Play Button ===== */
.story-card__play {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  margin-top: 0.6rem;
  background: var(--yarn-ochre);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
  transition: background var(--transition-speed) ease;
}

.story-card__play:hover {
  background: var(--primary);
}

.story-card__play:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* ===== Glossary Grid ===== */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.glossary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  transition: border-color var(--transition-speed) ease,
    filter var(--transition-speed) ease;
}

.glossary-card:hover {
  border-color: var(--yarn-ochre);
  filter: brightness(1.05);
}

.glossary-card__word {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--yarn-ochre);
  margin-bottom: 0.4rem;
}

.glossary-card__meaning {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.glossary-card__source {
  color: var(--text-secondary);
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ===== Search Input ===== */
.search-wrapper {
  margin-bottom: 2rem;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition-speed) ease;
}

.search-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.search-input:focus {
  outline: none;
  border-color: var(--yarn-ochre);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ===== Loading / Empty / Error States ===== */
.loading-text,
.empty-text,
.error-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-align: center;
  grid-column: 1 / -1;
  padding: 2rem 0;
}

.error-text {
  color: #d97706;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .nav-header {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .orb {
    width: 160px;
    height: 160px;
  }

  .content {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 320px) {
  .orb {
    width: 130px;
    height: 130px;
  }

  .nav-header__links {
    font-size: 0.8rem;
    gap: 0.15rem;
  }
}