:root {
  --feed-color: #4a90d9;
  --nap-color: #8a6fd1;
  --poop-color: #b07a45;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #2c3340;
  --muted: #8a92a3;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 16px 60px;
}

.app-header {
  text-align: center;
  padding: 24px 0 8px;
  position: relative;
}

.user-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.user-photo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-weight: 600;
  color: var(--text);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.signout-btn {
  border: 1px solid #d8dde6;
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
}

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

/* Auth screen */
.auth-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg);
  z-index: 50;
}

.auth-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.auth-logo {
  font-size: 2.5rem;
}

.auth-card h1 {
  margin: 8px 0 4px;
  font-size: 1.5rem;
}

.auth-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  border: 1px solid #d8dde6;
  background: #fff;
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.google-btn:hover {
  background: #f8f9fa;
}

.auth-error {
  color: #c0392b;
  font-size: 0.85rem;
  margin-top: 14px;
}

.app-header h1 {
  margin: 0;
  font-size: 1.8rem;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}

.summary-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  border-left: 4px solid transparent;
}

.summary-card.feed { border-left-color: var(--feed-color); }
.summary-card.nap { border-left-color: var(--nap-color); }
.summary-card.poop { border-left-color: var(--poop-color); }

.summary-icon {
  font-size: 1.6rem;
}

.summary-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.summary-value {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 2px;
}

.quick-log {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.log-btn {
  border: none;
  border-radius: var(--radius);
  padding: 16px 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: transform 0.05s ease, opacity 0.2s ease;
}

.log-btn:active {
  transform: scale(0.97);
}

.log-btn.feed { background: var(--feed-color); }
.log-btn.nap { background: var(--nap-color); }
.log-btn.poop { background: var(--poop-color); }

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.history-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.filters {
  display: flex;
  gap: 6px;
}

.filter-btn {
  border: 1px solid #d8dde6;
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.8rem;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}

.entry-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border-left: 4px solid transparent;
}

.entry.feed { border-left-color: var(--feed-color); }
.entry.nap { border-left-color: var(--nap-color); }
.entry.poop { border-left-color: var(--poop-color); }

.entry-icon {
  font-size: 1.5rem;
  line-height: 1.4;
}

.entry-body {
  flex: 1;
  min-width: 0;
}

.entry-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.entry-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 2px;
}

.entry-notes {
  margin-top: 6px;
  font-size: 0.88rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.entry-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.entry-actions button {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--muted);
  padding: 2px;
}

.entry-actions button:hover {
  color: var(--text);
}

.empty-state {
  text-align: center;
  color: var(--muted);
  margin-top: 24px;
  font-size: 0.9rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-top: 10px;
}

.modal input,
.modal select,
.modal textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 10px;
  border: 1px solid #d8dde6;
  border-radius: 8px;
  width: 100%;
  margin-top: 4px;
}

.hidden {
  display: none;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.btn.primary {
  background: var(--text);
  color: #fff;
}

.btn.secondary {
  background: #eef0f4;
  color: var(--text);
}

@media (max-width: 380px) {
  .summary-value {
    font-size: 0.8rem;
  }
}