:root {
  --bg: #101114;
  --panel-bg: #17181c;
  --panel-border: #26282f;
  --text: #f2f2f0;
  --text-dim: #9a9a9a;
  --text-dimmer: #8a8c94;
  --text-faint: #b7b7b7;
  --cell-bg: #1c1e24;
  --divider: #202228;
  --input-bg: #1a1c21;
  --input-border: #33353c;
  --link: #8fd694;
  --accent: #2d7a3a;
  --accent-text: #fff;
  --secondary-btn-bg: #22242a;
  --secondary-btn-hover: #1c1e24;
  --secondary-btn-hover-border: #34363e;
  --danger: #c62828;
  --danger-text: #e57373;
  --location-bg: #142016;
  --location-border: #26402a;
  --toggle-text: #d8d8d8;
  --no-img: #4a4c54;
  --overlay-bg: rgba(0,0,0,0.6);
  --full-house-border: #6b5a1a;
  --full-house-bg-start: #1c1a0f;
}

:root[data-theme="light"] {
  --bg: #f5f5f0;
  --panel-bg: #ffffff;
  --panel-border: #ddd;
  --text: #1c1e1a;
  --text-dim: #5a5c58;
  --text-dimmer: #7a7c78;
  --text-faint: #5a5c58;
  --cell-bg: #e9e9e3;
  --divider: #e0e0d8;
  --input-bg: #ffffff;
  --input-border: #ccc;
  --link: #2d7a3a;
  --accent: #2d7a3a;
  --accent-text: #fff;
  --secondary-btn-bg: #eee;
  --secondary-btn-hover: #e4e4de;
  --secondary-btn-hover-border: #ccc;
  --danger: #c62828;
  --danger-text: #c62828;
  --location-bg: #eef6ee;
  --location-border: #cde;
  --toggle-text: #333;
  --no-img: #bbb;
  --overlay-bg: rgba(0,0,0,0.35);
  --full-house-border: #d9b93a;
  --full-house-bg-start: #fdf6e0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  max-width: 640px;
  margin: 0 auto;
  padding: 20px;
  padding-bottom: 60px;
  min-height: 100vh;
  line-height: 1.4;
  transition: background 0.15s, color 0.15s;
}

h1 {
  font-size: 1.5rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

h2 {
  font-size: 1.1rem;
  margin: 20px 0 8px;
}

a {
  color: var(--link);
}

/* ---------- Icons: inlined Lucide SVGs, sized to font-size, aligned to text ---------- */
.icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
  vertical-align: -0.15em;
}

.icon-lg {
  width: 1.4em;
  height: 1.4em;
}

.icon-xl {
  width: 2.4em;
  height: 2.4em;
}

.icon-inline-left {
  margin-left: 0.4em;
}

button:not(.menu-btn):not(.modal-close-btn) .icon,
a:not(.menu-btn) .icon {
  margin-right: 0.4em;
}

.app-icon-img {
  width: 1.6em;
  height: 1.6em;
  border-radius: 22%;
  display: block;
}

button {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

button:active {
  transform: scale(0.98);
}

button.secondary {
  background: var(--secondary-btn-bg);
  color: var(--text);
}

button.danger {
  background: var(--danger);
}

input, select {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 8px 10px;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  width: 100%;
  background: var(--input-bg);
  color: var(--text);
}

/* ---------- App header: minimal, matches every page ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.app-header .header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-btn {
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.3rem;
  padding: 6px 8px;
  line-height: 1;
  cursor: pointer;
}

.menu-btn:active {
  transform: scale(0.94);
}

.app-header h1 {
  font-size: 1.05rem;
  margin: 0;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4em;
}

.header-status {
  font-size: 0.85rem;
  color: var(--text-dim);
}

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

.back-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text-dim);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.panel h2 {
  margin-top: 0;
}

.status {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
  white-space: pre-wrap;
}

.location-footer {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--divider);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.location-footer #no-location,
.location-footer #has-location {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.location-footer .status {
  margin-top: 0;
}

.location-footer button {
  font-size: 0.8rem;
  padding: 7px 12px;
}

.location-summary {
  font-size: 0.9rem;
  background: var(--location-bg);
  border: 1px solid var(--location-border);
  padding: 10px 12px;
  border-radius: 8px;
  margin-top: 10px;
}

.location-summary .change-location-btn {
  margin-top: 8px;
  font-size: 0.8rem;
  padding: 6px 10px;
}

.home-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.home-actions a {
  display: block;
  text-decoration: none;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 18px 20px;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.home-actions a:hover {
  background: var(--cell-bg);
  border-color: var(--secondary-btn-hover-border);
}

.home-actions a:active {
  transform: scale(0.99);
}

.home-actions a .action-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 5px;
}

.home-actions a .action-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.45;
}

/* Mode toggles (difficulty / hard mode / size) - pill button group */
.toggle-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.toggle-btn {
  background: var(--secondary-btn-bg);
  color: var(--toggle-text);
  border: 1px solid var(--input-border);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
}

.toggle-btn.active {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}

/* ---------- Bingo grid: dark tile cells, image + name ---------- */
.bingo-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 16px;
}

.bingo-progress {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--toggle-text);
  margin-bottom: 18px;
}

.bingo-grid {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  width: 100%;
}

.bingo-cell {
  aspect-ratio: 1;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--cell-bg);
  transition: transform 0.1s;
  box-shadow: inset 0 0 0 1px var(--panel-border);
}

.bingo-cell:active {
  transform: scale(0.96);
}

.bingo-cell .thumb-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cell-bg);
}

.bingo-cell .thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bingo-cell .thumb-wrap .no-img {
  font-size: 1.6rem;
  color: var(--no-img);
}

.bingo-cell .cell-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background: var(--overlay-bg);
  color: var(--accent-text);
  font-size: 0.68rem;
  line-height: 1.2;
  padding: 3px 4px;
  text-align: center;
}

.bingo-cell.found {
  box-shadow: inset 0 0 0 3px #4caf50;
}

.bingo-cell.found::after {
  content: '✓';
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 2;
  background: #4caf50;
  color: var(--accent-text);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.bingo-cell.bingo-line {
  box-shadow: inset 0 0 0 3px #ffb300;
}

.bingo-timer {
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: #6fa876;
  letter-spacing: 0.02em;
  margin-top: 4px;
}

/* ---------- Onboarding view: shown before a location is set ---------- */
.onboarding-view {
  text-align: center;
  padding: 15vh 12px 40px;
  max-width: 420px;
  margin: 0 auto;
}

.onboarding-view .onboarding-icon {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.onboarding-view h2 {
  font-size: 1.3rem;
  margin: 0 0 10px;
}

.onboarding-view .onboarding-sub {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-faint);
  margin-bottom: 22px;
}

.onboarding-view button {
  font-size: 1rem;
  padding: 12px 22px;
}

.onboarding-view .status {
  margin-top: 14px;
}

/* ---------- Celebration modal: overlays the grid on a win, grid stays underneath ---------- */
.celebration-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.celebration-overlay.hidden {
  display: none;
}

.celebration-modal {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 28px 24px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  animation: celebrate-pulse 0.4s ease-out;
}

.celebration-modal.full-house {
  background: linear-gradient(160deg, #1c1a0f, var(--panel-bg) 60%);
  border-color: var(--full-house-border);
}

.celebration-modal .celebration-icon {
  font-size: 2.8rem;
  margin-bottom: 8px;
}

.celebration-modal h2 {
  font-size: 1.5rem;
  margin: 0 0 6px;
}

.celebration-modal .celebration-sub {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.celebration-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.celebration-actions button {
  width: 100%;
}

/* Celebration banners (lifer, still used inline on bird.html) */
.celebration-banner {
  padding: 16px;
  border-radius: 10px;
  text-align: center;
  margin-bottom: 16px;
  animation: celebrate-pulse 0.5s ease-out;
}

.celebration-banner.bingo-win {
  background: linear-gradient(135deg, #ffd700, #ffb300);
}

.celebration-banner.lifer-win {
  background: linear-gradient(135deg, #8ec5fc, #4caf50);
}

@keyframes celebrate-pulse {
  0% { transform: scale(0.9); opacity: 0; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

.celebration-banner h2 {
  margin: 0 0 6px;
  font-size: 1.3rem;
  color: #1a1a1a;
}

.celebration-banner p {
  font-size: 0.85rem;
  color: #2a2a2a;
  margin: 0;
}

/* ---------- Practice mode: single active card ---------- */
.practice-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px;
}

.practice-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.practice-card-header .card-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.practice-card-header .card-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.regenerate-btn {
  width: 100%;
  margin-top: 14px;
  font-size: 0.95rem;
  padding: 12px 16px;
}

/* Bird detail page */
.bird-detail-image {
  width: 100%;
  aspect-ratio: 1.3;
  object-fit: cover;
  border-radius: 10px;
  background: var(--cell-bg);
  margin-bottom: 12px;
}

.bird-detail-name {
  font-size: 1.3rem;
  font-weight: 700;
}

.bird-detail-sci {
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.call-btn {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sighting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--panel-border);
  padding: 8px 0;
  font-size: 0.85rem;
}

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

.sighting-item .delete-sighting-btn {
  background: none;
  color: var(--danger-text);
  padding: 2px 8px;
  font-size: 1rem;
}

/* Life list */
.life-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--panel-border);
}

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

.life-list-item .life-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--cell-bg);
  flex-shrink: 0;
}

.life-list-item .life-info {
  flex: 1;
  text-decoration: none;
  color: var(--text);
}

.life-list-item .life-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.life-list-item .life-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.life-list-item .remove-life-btn {
  background: none;
  color: var(--danger-text);
  font-size: 1.1rem;
  padding: 4px 8px;
}

/* ---------- Modal overlay: shared by menu + sighting log ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-bottom: none;
  border-radius: 16px 16px 0 0;
  padding: 20px;
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
}

.modal-content label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 10px 0 4px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

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

.modal-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.modal-close-btn {
  background: none;
  color: var(--text-dim);
  font-size: 1.3rem;
  padding: 2px 8px;
}

/* Menu modal specific rows */
.menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 4px;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.95rem;
}

.menu-row:last-child {
  border-bottom: none;
}

.menu-row .menu-row-label {
  font-weight: 600;
}

.menu-section {
  margin-bottom: 20px;
}

.menu-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dimmer);
  margin: 0 0 8px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 30px 10px;
  font-size: 0.9rem;
}