:root {
  color-scheme: dark;
  --bg: #121212;
  --surface: #1e1e1e;
  --surface-2: #2a2a2a;
  --text: #e8e8e8;
  --muted: #888;
  --accent: #4a9eff;
  --danger: #ff5252;
  --tap: 44px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  max-width: 600px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 0 16px 32px;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 12px 0 16px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.tab {
  flex: 1;
  padding: 12px;
  font-size: 17px;
  background: var(--surface);
  color: var(--muted);
  border: none;
  border-radius: 10px;
  min-height: var(--tap);
}

.tab.active {
  background: var(--surface-2);
  color: var(--text);
}

.screen { display: none; }
.screen.active { display: block; }

#add-form {
  display: flex;
  gap: 8px;
}

#add-input {
  flex: 1;
  padding: 0 14px;
  height: var(--tap);
  font-size: 17px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--surface-2);
  border-radius: 10px;
}

#add-input:focus {
  outline: none;
  border-color: var(--accent);
}

#add-form button {
  width: var(--tap);
  height: var(--tap);
  font-size: 26px;
  line-height: 1;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 10px;
}

h2 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--muted);
  margin: 24px 0 8px;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surface);
}

li {
  border-bottom: 1px solid var(--bg);
}

li:last-child { border-bottom: none; }

.empty {
  padding: 16px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.row {
  display: flex;
  align-items: stretch;
}

.row-main {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  min-height: var(--tap);
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: 2px solid var(--muted);
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
  color: white;
}

.row.on .indicator,
.row.checked .indicator {
  background: var(--accent);
  border-color: var(--accent);
}

.row.checked .name {
  text-decoration: line-through;
  color: var(--muted);
}

.name {
  flex: 1;
  word-break: break-word;
}

.edit-btn {
  padding: 0 16px;
  min-height: var(--tap);
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
}

.edit-panel {
  padding: 12px 14px;
  background: var(--surface-2);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--bg);
}

.edit-panel input {
  flex: 1 1 100%;
  padding: 0 12px;
  height: 44px;
  font-size: 17px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--surface);
  border-radius: 8px;
}

.edit-panel input:focus {
  outline: none;
  border-color: var(--accent);
}

.edit-panel button {
  padding: 0 14px;
  height: 40px;
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.edit-panel button.primary { background: var(--accent); color: white; }
.edit-panel button.danger { color: var(--danger); }

.clear-actions {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}

.clear-actions button {
  flex: 1;
  padding: 14px;
  font-size: 16px;
  background: var(--surface);
  color: var(--text);
  border: none;
  border-radius: 10px;
  min-height: var(--tap);
  cursor: pointer;
}

.clear-actions button#clear-all { color: var(--danger); }