:root {
  --bg: #f7f7f9;
  --surface: #ffffff;
  --surface-2: #eef0f4;
  --text: #16181d;
  --text-dim: #5b6270;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --ok: #15803d;
  --border: #d7dbe2;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] {
  --bg: #101216;
  --surface: #1a1d23;
  --surface-2: #23272f;
  --text: #eceef2;
  --text-dim: #9aa3b2;
  --accent: #3b82f6;
  --accent-text: #ffffff;
  --warn: #fbbf24;
  --warn-bg: #3a2e10;
  --danger: #f87171;
  --danger-bg: #3b1414;
  --ok: #4ade80;
  --border: #323844;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

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

#root {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.app-main {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom, 0px));
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.app-tabs {
  display: flex;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.app-tabs button {
  flex: 1;
  min-height: 56px;
  border: none;
  background: none;
  color: var(--text-dim);
  font-size: 0.72rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  cursor: pointer;
  padding: 0.4rem 0.2rem;
}

.app-tabs button .tab-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.app-tabs button.active {
  color: var(--accent);
  font-weight: 600;
}

h1 {
  font-size: 1.3rem;
  margin: 0.2rem 0 1rem;
}

h2 {
  font-size: 1rem;
  margin: 1.4rem 0 0.6rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  margin-bottom: 0.6rem;
  box-shadow: var(--shadow);
}

.row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.row .grow {
  flex: 1;
  min-width: 0;
}

.item-title {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.item-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.chip {
  display: inline-block;
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.chip.warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.chip.danger {
  background: var(--danger-bg);
  color: var(--danger);
}

button.btn {
  min-height: 44px;
  min-width: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
  padding: 0 1rem;
  cursor: pointer;
}

button.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
}

button.btn.small {
  min-height: 44px;
  font-size: 0.85rem;
  padding: 0 0.7rem;
}

button.btn.block {
  width: 100%;
  margin: 0.4rem 0;
}

input,
select {
  min-height: 44px;
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  padding: 0 0.75rem;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0.6rem 0 0.25rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 0 0.6rem;
}

.empty {
  color: var(--text-dim);
  text-align: center;
  padding: 2rem 1rem;
}

.day-card .day-name {
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.meal {
  border-top: 1px solid var(--border);
  padding: 0.5rem 0;
}

.meal:first-of-type {
  border-top: none;
}

.meal .meal-kind {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meal .meal-name {
  font-weight: 600;
  margin: 0.1rem 0;
}

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

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  border-radius: 10px;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  z-index: 10;
  max-width: 90vw;
}

.hint {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.45;
}

.lang-toggle {
  display: flex;
  gap: 0.5rem;
}

.lang-toggle button {
  flex: 1;
}

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

.voice-fab {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  z-index: 9;
  min-height: 48px;
  padding: 0 1.2rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  max-width: 90vw;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.voice-fab.active {
  background: var(--danger);
}

.voice-fab.speaking {
  background: var(--ok);
  animation: voice-pulse 1.1s ease-in-out infinite;
}

@keyframes voice-pulse {
  0%, 100% { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3); }
  50% { box-shadow: 0 6px 28px rgba(74, 222, 128, 0.7); }
}