*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #fff;
  --text: #111;
  --text-secondary: #666;
  --surface: #f5f5f5;
  --surface-card: #f9f9f9;
  --border: #e0e0e0;
  --max-width: 560px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ── Screens ── */

.screen {
  min-height: 100vh;
  width: 100%;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.screen.hidden {
  display: none;
  opacity: 0;
  transform: translateY(12px);
}

.screen.active {
  display: flex;
}

/* ── Search screen ── */

#screen-search {
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
}

.search-container {
  width: 100%;
  max-width: var(--max-width);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero-emoji {
  font-size: 3.5rem;
  line-height: 1;
  margin-bottom: 4px;
}

.hero-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 8px;
}

.input-wrapper {
  width: 100%;
  max-width: 420px;
  position: relative;
}

#search-input {
  width: 100%;
  border: none;
  border-bottom: 2px solid var(--text);
  background: transparent;
  font-size: 1.4rem;
  font-family: inherit;
  color: var(--text);
  padding: 8px 0;
  outline: none;
  caret-color: var(--text);
}

#search-input::placeholder {
  color: var(--text-secondary);
  font-weight: 400;
}

#search-input:focus {
  border-bottom-color: #333;
}

.search-loading {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: center;
}

/* ── Suggestions ── */

.suggestions {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.suggestion-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item:active {
  background: var(--surface);
}

.suggestion-postcode {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  min-width: 48px;
}

.suggestion-name {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.suggestion-state {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: auto;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Result screen ── */

#screen-result {
  display: block;
  padding: 0;
}

.result-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 20px 40px;
}

.result-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.btn-back {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: inherit;
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.15s;
}

.btn-back:hover {
  color: var(--text);
}

.btn-share {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  padding: 5px 12px;
  border-radius: 20px;
  transition: border-color 0.15s, color 0.15s;
}

.btn-share:hover {
  border-color: var(--text);
  color: var(--text);
}

.btn-share.copied {
  color: #27ae60;
  border-color: #27ae60;
}

.result-header {
  margin-bottom: 20px;
}

.result-postcode {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── SVG container ── */

.svg-container {
  width: 100%;
  height: 40vh;
  min-height: 200px;
  max-height: 340px;
  background: var(--surface);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
  position: relative;
}

.svg-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.9rem;
  color: var(--text-secondary);
  z-index: 10;
  pointer-events: none;
}

/* Leaflet inside rounded container */
.svg-container .leaflet-container {
  width: 100%;
  height: 100%;
  background: var(--surface);
  border-radius: 12px;
}

/* ── Category cards ── */

.categories-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-card {
  background: var(--surface-card);
  border-radius: 8px;
  padding: 16px;
  border-left: 3px solid #ccc;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.category-emoji {
  font-size: 1.2rem;
  line-height: 1;
}

.category-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.category-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
}

.category-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ── No categories ── */

.no-categories {
  background: var(--surface);
  border-radius: 8px;
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.no-categories p {
  font-size: 0.95rem;
  color: var(--text);
}

.no-categories .text-secondary {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ── Footer ── */

.site-footer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-updated {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.footer-link {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text);
  text-decoration: underline;
}

/* ── Utilities ── */

.hidden {
  display: none !important;
}

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

/* ── Desktop ── */

@media (min-width: 640px) {
  .hero-emoji {
    font-size: 4.5rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .result-container {
    padding: 24px 20px 60px;
  }

  .result-postcode {
    font-size: 2.4rem;
  }

  .category-name {
    font-size: 1.05rem;
  }

  .category-description {
    font-size: 0.9rem;
  }
}