:root {
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --call: #2563eb;
  --whatsapp: #16a34a;
  --header-bg: #0f172a;
  --header-text: #ffffff;
  --primary: #2563eb;
  --primary-light: #eff6ff;
  --danger: #dc2626;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: #334155;
  --header-bg: #1e293b;
  --primary-light: #334155;
  --tag-bg: #334155;
  --tag-text: #e2e8f0;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* HEADER */
header {
  background-color: var(--header-bg);
  color: var(--header-text);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.site-tagline {
  font-size: 11px;
  color: #94a3b8;
  display: block;
}

.header-cta {
  background-color: var(--danger);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.header-right-controls {
  display: flex;
  align-items: center;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--header-text);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  margin-left: 8px;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

.theme-toggle .sun-icon, [data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

/* MAIN CONTENT */
main {
  flex: 1;
  padding: 12px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
}

/* Generic Content Card (for Privacy, Add Business pages) */
.content-card {
  background: var(--card-bg);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.content-card h1 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text);
}

.content-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text);
}

.content-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 24px;
}

.content-card ul {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  margin-bottom: 16px;
  padding-left: 20px;
}

.content-card a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.content-card a:hover {
  text-decoration: underline;
}

/* FORM STYLES (for Add Business page) */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.submit-btn {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--primary);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.submit-btn:hover {
  background-color: #1d4ed8;
}

/* Search Bar & Filters (for index page) */
.filter-box {
  background: var(--card-bg);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.search-input, .select-input {
  padding: 10px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  outline: none;
  width: 100%;
}

.filter-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (min-width: 640px) {
  .filter-row {
    grid-template-columns: 1fr 1fr 1fr auto;
  }
}

/* CATEGORY GRID */
.section-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

@media (min-width: 480px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.cat-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.cat-btn:hover, .cat-btn.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
  color: var(--primary);
}

.cat-icon {
  font-size: 16px;
  line-height: 1;
}

.count-bar {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 8px;
  padding: 0 4px;
}

/* DIRECTORY LIST */
.list-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.item-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.item-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  min-width: 24px;
}

.item-details {
  flex: 1;
}

.item-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
  font-size: 12px;
}

.tag {
  background: var(--tag-bg, #f1f5f9);
  color: var(--tag-text, #334155);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.tag-area {
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 600;
}

/* ACTION BUTTONS */
.item-actions {
  display: flex;
  gap: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  text-decoration: none;
  min-height: 38px;
  border: none;
  cursor: pointer;
}

.btn-call {
  background-color: var(--call);
}

.btn-wa {
  background-color: var(--whatsapp);
}

.btn-copy {
  background-color: var(--muted);
}

.btn-clear {
  background-color: var(--danger);
  color: white;
  padding: 10px;
  font-size: 14px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
}

.no-results {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
  display: none;
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.loading-indicator {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
  display: none; /* Hidden by default */
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading-indicator.is-loading {
  animation: pulse 1.5s infinite;
}

/* BACK TO TOP BUTTON */
.back-to-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: var(--primary);
  color: white;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top-btn.show {
  opacity: 1;
  visibility: visible;
}

/* FOOTER */
footer {
  background-color: var(--header-bg);
  color: #94a3b8;
  padding: 20px 16px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: #f8fafc;
  text-decoration: none;
  font-weight: 500;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* PAGINATION */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  user-select: none;
}

.pagination-btn {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.pagination-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: white;
}

.page-info {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}