:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1c1c1e;
  --muted: #6e6e73;
  --accent: #0a84ff;
  --border: #e2e2e7;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f5f5f7;
    --muted: #98989d;
    --border: #2c2c2e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 1rem 4rem;
}

h1 {
  font-size: 1.5rem;
  margin: 0.5rem 0 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.muted {
  color: var(--muted);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

button.link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 0;
}

.accounts {
  display: grid;
  gap: 0.75rem;
}

.account-button {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.account-button:active {
  background: var(--accent);
  color: #ffffff;
}

.section-title {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.store-header {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 1rem;
  font-weight: 600;
  margin: 0.9rem 0 0.15rem;
}

.store-section:first-child .store-header {
  margin-top: 0.2rem;
}

.store-count {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.85rem;
  margin-left: auto;
}

.store-delete {
  margin: 0;
}

.add-row {
  border-bottom: none;
}

.circle-ghost {
  border-style: dashed;
  opacity: 0.5;
}

.add-inline {
  flex: 1;
  margin: 0;
}

.add-inline input[type="text"] {
  width: 100%;
  border: none;
  background: none;
  color: var(--text);
  font-size: 1rem;
  padding: 0.1rem 0;
  outline: none;
}

.add-inline input[type="text"]::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.add-store {
  margin-top: 0.9rem;
}

.add-store summary {
  color: var(--accent);
  cursor: pointer;
  font-size: 0.95rem;
  list-style: none;
}

.add-store summary::-webkit-details-marker {
  display: none;
}

.add-store-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.add-store-form input[type="text"] {
  flex: 1;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.add-store-form button {
  padding: 0.55rem 0.9rem;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 320px;
}

.login-form input[type="password"] {
  padding: 0.8rem 0.9rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
}

.login-form button {
  padding: 0.8rem;
  font-size: 1rem;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

.login-error {
  color: #ff453a;
  font-size: 0.9rem;
  margin: 0;
}

.edit-form select {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.add-item input[type="text"] {
  flex: 1;
  padding: 0.7rem 0.85rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}

.add-item button,
.edit-actions button[type="submit"] {
  padding: 0.7rem 1rem;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

.items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

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

.toggle-form,
.delete-form {
  margin: 0;
}

.toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--muted);
  color: #ffffff;
  font-size: 0.85rem;
}

.item.done .circle {
  background: var(--accent);
  border-color: var(--accent);
}

.item-main {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  background: none;
  border: none;
  text-align: left;
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  padding: 0;
}

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

.qty,
.note {
  color: var(--muted);
  font-size: 0.85rem;
}

.delete {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.9rem;
  cursor: pointer;
}

.completed {
  margin-top: 0.75rem;
}

.completed summary {
  color: var(--muted);
  cursor: pointer;
}

.empty {
  padding: 0.5rem 0;
}

.edit-form {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}

.edit-form input {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.edit-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.turn-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.turn-headline {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 0;
}

.turn-sub {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0.15rem 0 0.75rem;
}

.turn-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.turn-actions form {
  margin: 0;
}

.pay-button {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
}