:root {
  color-scheme: light;
  --page-gutter: 14px;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  --duration-fast: 160ms;
  --duration-base: 220ms;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-in-out: cubic-bezier(0.2, 0, 0, 1);
  --focus-ring: rgba(95, 159, 69, 0.48);
  --brand-50: #eff8ec;
  --brand-100: #def1d7;
  --brand-200: #c6e3ba;
  --brand-300: #a6d08f;
  --brand-500: #6aa84f;
  --brand-600: #5f9f45;
  --brand-700: #4f863a;
  --brand-800: #3f6a31;
  --text-primary: #20261f;
  --text-secondary: #566051;
  --text-tertiary: #85907f;
  --text-on-brand: #f8fff6;
  --bg-page: #f5f7f2;
  --bg-page-soft: #eef3ea;
  --bg-elevated: rgba(255, 255, 255, 0.96);
  --bg-muted: #f0f4ec;
  --bg-input: #f7faf5;
  --surface-overlay: rgba(255, 255, 255, 0.9);
  --border-soft: rgba(104, 120, 96, 0.14);
  --border-default: rgba(104, 120, 96, 0.2);
  --shadow-sm: 0 6px 16px rgba(60, 82, 52, 0.08);
  --shadow-md: 0 12px 28px rgba(52, 70, 45, 0.12);
  --shadow-lg: 0 20px 44px rgba(41, 57, 35, 0.17);
  --shadow-brand: 0 10px 24px rgba(95, 159, 69, 0.22);
  --success-50: #edf8ef;
  --success-600: #27935b;
  --warning-50: #fff6e8;
  --warning-600: #b57712;
  --danger-50: #fff0ef;
  --danger-600: #c95843;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --content-width: 420px;
}

html[data-theme='light'] {
  color-scheme: light;
}

html[data-theme='dark'] {
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --brand-50: #1c291a;
    --brand-100: #243722;
    --brand-200: #2f482b;
    --brand-300: #42633a;
    --brand-500: #81c563;
    --brand-600: #8fd06f;
    --brand-700: #9adc7f;
    --brand-800: #b3ef9a;
    --text-primary: #eef4eb;
    --text-secondary: #c5d0c0;
    --text-tertiary: #93a08e;
    --text-on-brand: #f5fff0;
    --bg-page: #111712;
    --bg-page-soft: #141d15;
    --bg-elevated: rgba(24, 32, 25, 0.94);
    --bg-muted: #1a241c;
    --bg-input: #182018;
    --surface-overlay: rgba(18, 24, 19, 0.88);
    --border-soft: rgba(180, 201, 174, 0.12);
    --border-default: rgba(180, 201, 174, 0.16);
    --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.33);
    --shadow-lg: 0 22px 56px rgba(0, 0, 0, 0.4);
    --shadow-brand: 0 12px 28px rgba(76, 128, 57, 0.3);
    --success-50: #153224;
    --success-600: #52c285;
    --warning-50: #2d2414;
    --warning-600: #f0b64f;
    --danger-50: #311f1d;
    --danger-600: #f08773;
  }
}

html[data-theme='light'] body,
html[data-theme='dark'] body {
  transition: background-color 0.2s ease, color 0.2s ease;
}

html[data-theme='light'] {
  --brand-50: #eff8ec;
  --brand-100: #def1d7;
  --brand-200: #c6e3ba;
  --brand-300: #a6d08f;
  --brand-500: #6aa84f;
  --brand-600: #5f9f45;
  --brand-700: #4f863a;
  --brand-800: #3f6a31;
  --text-primary: #20261f;
  --text-secondary: #566051;
  --text-tertiary: #85907f;
  --text-on-brand: #f8fff6;
  --bg-page: #f5f7f2;
  --bg-page-soft: #eef3ea;
  --bg-elevated: rgba(255, 255, 255, 0.96);
  --bg-muted: #f0f4ec;
  --bg-input: #f7faf5;
  --surface-overlay: rgba(255, 255, 255, 0.9);
  --border-soft: rgba(104, 120, 96, 0.14);
  --border-default: rgba(104, 120, 96, 0.2);
  --shadow-sm: 0 6px 16px rgba(60, 82, 52, 0.08);
  --shadow-md: 0 12px 28px rgba(52, 70, 45, 0.12);
  --shadow-lg: 0 20px 44px rgba(41, 57, 35, 0.17);
  --shadow-brand: 0 10px 24px rgba(95, 159, 69, 0.22);
  --success-50: #edf8ef;
  --success-600: #27935b;
  --warning-50: #fff6e8;
  --warning-600: #b57712;
  --danger-50: #fff0ef;
  --danger-600: #c95843;
}

html[data-theme='dark'] {
  --brand-50: #1c291a;
  --brand-100: #243722;
  --brand-200: #2f482b;
  --brand-300: #42633a;
  --brand-500: #81c563;
  --brand-600: #8fd06f;
  --brand-700: #9adc7f;
  --brand-800: #b3ef9a;
  --text-primary: #eef4eb;
  --text-secondary: #c5d0c0;
  --text-tertiary: #93a08e;
  --text-on-brand: #f5fff0;
  --bg-page: #111712;
  --bg-page-soft: #141d15;
  --bg-elevated: rgba(24, 32, 25, 0.94);
  --bg-muted: #1a241c;
  --bg-input: #182018;
  --surface-overlay: rgba(18, 24, 19, 0.88);
  --border-soft: rgba(180, 201, 174, 0.12);
  --border-default: rgba(180, 201, 174, 0.16);
  --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.33);
  --shadow-lg: 0 22px 56px rgba(0, 0, 0, 0.4);
  --shadow-brand: 0 12px 28px rgba(76, 128, 57, 0.3);
  --success-50: #153224;
  --success-600: #52c285;
  --warning-50: #2d2414;
  --warning-600: #f0b64f;
  --danger-50: #311f1d;
  --danger-600: #f08773;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(circle at top, rgba(143, 208, 111, 0.1), transparent 20%),
    linear-gradient(180deg, var(--bg-page-soft) 0%, var(--bg-page) 42%, var(--bg-page) 100%);
  color: var(--text-primary);
  line-height: 1.5;
}

body.is-transparent {
  background: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: none;
  background: none;
}

button:not(:disabled) {
  cursor: pointer;
}

:where(a, button, [role='button']):focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: 14px var(--page-gutter) calc(58px + env(safe-area-inset-bottom));
}

.page-body {
  max-width: var(--content-width);
  margin: 0 auto;
  width: 100%;
  flex: 1 1 auto;
  min-height: 0;
}

.page-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-hero {
  position: relative;
  overflow: hidden;
  margin: -14px calc(var(--page-gutter) * -1) 0;
  padding: calc(12px + env(safe-area-inset-top)) var(--page-gutter) 16px;
  border-radius: 0 0 22px 22px;
  background:
    linear-gradient(135deg, rgba(95, 159, 69, 0.98), rgba(79, 134, 58, 0.96)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent);
  color: var(--text-on-brand);
  box-shadow: var(--shadow-sm);
}

.page-hero::before,
.page-hero::after {
  content: '';
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.page-hero::before {
  width: 132px;
  height: 132px;
  top: -66px;
  right: -30px;
}

.page-hero::after {
  width: 88px;
  height: 88px;
  bottom: -46px;
  left: 16px;
}

.topbar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.back-link,
.hero-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--text-on-brand);
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(14px);
  transition:
    transform var(--duration-fast) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.back-link {
  gap: 8px;
}

@media (hover: hover) and (pointer: fine) {
  .back-link:hover,
  .hero-action:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.3);
  }
}

.back-link:active,
.hero-action:active {
  transform: translateY(1px);
}

.hero-copy,
.hero-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  opacity: 0.82;
}

.hero-title {
  margin-top: 6px;
  font-size: 24px;
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.45;
  color: rgba(248, 255, 246, 0.84);
}

.hero-panel {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.section-card,
.list-group,
.feed-card,
.sheet,
.modal-card,
.chat-surface {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}

.section-card,
.chat-surface {
  border-radius: var(--radius-lg);
  padding: 16px;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-kicker {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.section-title {
  margin-top: 4px;
  font-size: 18px;
  font-weight: 700;
}

.section-subtitle {
  margin-top: 5px;
  font-size: 13px;
  color: var(--text-secondary);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--brand-50);
  color: var(--brand-700);
}

.chip.chip-hero {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.chip-muted {
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.chip-success {
  background: var(--success-50);
  color: var(--success-600);
}

.chip-warning {
  background: var(--warning-50);
  color: var(--warning-600);
}

.chip-danger {
  background: var(--danger-50);
  color: var(--danger-600);
}

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

.metric-card {
  padding: 14px;
  border-radius: 16px;
  background: var(--bg-muted);
  border: 1px solid var(--border-soft);
}

.metric-value {
  font-size: 21px;
  font-weight: 700;
}

.metric-label {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.field + .field {
  margin-top: 14px;
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.field-required {
  margin-left: 6px;
  color: var(--danger-600);
  font-weight: 800;
}

.field-help {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-tertiary);
}

.input,
.select,
.textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background: var(--bg-input);
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.input,
.select {
  min-height: 46px;
  padding: 0 14px;
}

.textarea {
  min-height: 108px;
  padding: 12px 14px;
  resize: vertical;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--text-tertiary);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: rgba(95, 159, 69, 0.48);
  box-shadow: 0 0 0 4px rgba(95, 159, 69, 0.12);
  background: var(--bg-elevated);
}

.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--bg-muted);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  font-size: 13px;
}

.check-chip input {
  accent-color: var(--brand-600);
}

.list-group {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.list-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-soft);
  transition: background-color var(--duration-base) var(--ease-out);
}

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

@media (hover: hover) and (pointer: fine) {
  a.list-row:hover {
    background: var(--bg-muted);
  }
}

a.list-row:active {
  background: rgba(95, 159, 69, 0.06);
}

.row-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: var(--bg-muted);
  color: var(--brand-700);
  font-size: 15px;
  font-weight: 700;
}

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

.row-title {
  font-size: 14px;
  font-weight: 600;
}

.row-meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.row-trailing {
  font-size: 12px;
  color: var(--text-tertiary);
}

.segmented {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.segmented::-webkit-scrollbar {
  display: none;
}

.segmented.segmented-scrollable {
  padding-right: 28px;
  scroll-padding-inline: 12px;
  scroll-snap-type: x proximity;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 30px), transparent 100%);
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 30px), transparent 100%);
}

.segmented button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--bg-muted);
  color: var(--text-secondary);
  font-size: 13px;
  border: 1px solid transparent;
  transition:
    transform var(--duration-fast) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out);
}

.segmented.segmented-scrollable button {
  white-space: nowrap;
  scroll-snap-align: start;
}

.segmented button.is-active,
.segmented button.active {
  background: var(--brand-600);
  color: var(--text-on-brand);
  box-shadow: var(--shadow-brand);
}

@media (hover: hover) and (pointer: fine) {
  .segmented button:hover {
    border-color: var(--border-soft);
    background: rgba(95, 159, 69, 0.08);
    color: var(--text-primary);
  }

  .segmented button.is-active:hover,
  .segmented button.active:hover {
    background: var(--brand-700);
    color: var(--text-on-brand);
  }
}

.segmented button:active {
  transform: translateY(1px);
}

.feed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feed-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.feed-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--bg-muted);
}

.feed-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 28%, rgba(0, 0, 0, 0.42) 100%);
}

.feed-content {
  padding: 14px;
}

.feed-title {
  font-size: 16px;
  font-weight: 700;
}

.feed-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.feed-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.feed-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.recipe-card,
.quick-card,
.hero-shortcut,
.recommend-link,
.feed-card.card {
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) {
  .recipe-card:hover,
  .quick-card:hover,
  .hero-shortcut:hover,
  .recommend-link:hover,
  .feed-card.card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
  }

  .recipe-card:hover,
  .quick-card:hover,
  .recommend-link:hover,
  .feed-card.card:hover {
    border-color: var(--border-default);
  }

  .hero-shortcut:hover {
    border-color: rgba(255, 255, 255, 0.24);
  }
}

.recipe-card:active,
.quick-card:active,
.hero-shortcut:active,
.recommend-link:active,
.feed-card.card:active {
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--brand-600);
  color: var(--text-on-brand);
  box-shadow: var(--shadow-brand);
  cursor: pointer;
  user-select: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    background-color var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    transform: translateY(-1px);
    background: var(--brand-700);
    box-shadow: var(--shadow-md), var(--shadow-brand);
  }
}

.btn:active {
  transform: translateY(0);
  background: var(--brand-800);
}

.btn-outline {
  background: transparent;
  color: var(--brand-700);
  border: 1px solid var(--brand-300);
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn-outline:hover {
    transform: translateY(-1px);
    background: rgba(95, 159, 69, 0.08);
    border-color: rgba(95, 159, 69, 0.42);
    box-shadow: var(--shadow-sm);
  }
}

.btn-outline:active {
  transform: translateY(0);
  background: rgba(95, 159, 69, 0.12);
}

.btn-ghost {
  background: var(--bg-muted);
  color: var(--text-primary);
  box-shadow: none;
}

.btn-secondary {
  background: var(--bg-muted);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover,
  .btn-secondary:hover {
    transform: translateY(-1px);
    background: var(--bg-elevated);
    border-color: var(--border-default);
    box-shadow: var(--shadow-sm);
  }
}

.btn-ghost:active,
.btn-secondary:active {
  transform: translateY(0);
  background: var(--bg-muted);
}

.btn-danger-outline {
  background: transparent;
  color: var(--danger-600);
  border: 1px solid rgba(201, 88, 67, 0.28);
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  .btn-danger-outline:hover {
    transform: translateY(-1px);
    background: rgba(201, 88, 67, 0.08);
    border-color: rgba(201, 88, 67, 0.36);
    box-shadow: var(--shadow-sm);
  }
}

.btn-danger-outline:active {
  transform: translateY(0);
  background: rgba(201, 88, 67, 0.12);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.sticky-cta {
  position: sticky;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 6;
  padding: 10px;
  border-radius: 18px;
  background: var(--surface-overlay);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
}

.status-banner {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 12px;
  border: 1px solid transparent;
}

.status-banner.success {
  display: flex;
  background: var(--success-50);
  color: var(--success-600);
}

.status-banner.error {
  display: flex;
  background: var(--danger-50);
  color: var(--danger-600);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  width: min(calc(100% - 16px), var(--content-width));
  padding: 7px 8px calc(8px + env(safe-area-inset-bottom));
  border-radius: 18px 18px 0 0;
  background: var(--surface-overlay);
  border: 1px solid var(--border-soft);
  border-bottom: none;
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-lg);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-height: 40px;
  padding: 6px 4px;
  border-radius: 14px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
}

.nav-item.active {
  background: var(--brand-50);
  color: var(--brand-700);
}

.nav-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 10px;
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.nav-item.active .nav-icon {
  background: rgba(95, 159, 69, 0.14);
}

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

.text-tertiary {
  color: var(--text-tertiary);
}

.warning-panel,
.success-panel,
.danger-panel {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid transparent;
}

.warning-panel {
  background: var(--warning-50);
  border-color: rgba(181, 119, 18, 0.16);
}

.success-panel {
  background: var(--success-50);
  border-color: rgba(39, 147, 91, 0.16);
}

.danger-panel {
  background: var(--danger-50);
  border-color: rgba(201, 88, 67, 0.16);
}

.empty-card {
  padding: 24px 16px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--bg-muted);
  color: var(--text-secondary);
}

.message.assistant :where(pre, code) {
  font-family: var(--font-mono);
}

.message.assistant :not(pre) > code {
  padding: 0.15em 0.4em;
  border-radius: 10px;
  background: var(--bg-muted);
  border: 1px solid var(--border-soft);
}

.message.assistant pre {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-soft);
  overflow-x: auto;
}

.message.assistant pre code {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 12.5px;
  display: block;
  white-space: pre;
}

.message.assistant blockquote {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--bg-muted);
  border: 1px solid var(--border-soft);
  border-left: 4px solid rgba(95, 159, 69, 0.4);
  color: var(--text-secondary);
}

.message.assistant a {
  color: var(--brand-700);
  text-decoration: underline;
  text-decoration-color: rgba(95, 159, 69, 0.32);
  text-underline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 480px) {
  :root {
    --page-gutter: 12px;
  }

  .page-shell {
    padding: 12px var(--page-gutter) calc(54px + env(safe-area-inset-bottom));
  }

  .page-stack {
    gap: 10px;
  }

  .page-hero {
    margin: -12px calc(var(--page-gutter) * -1) 0;
    padding: calc(10px + env(safe-area-inset-top)) var(--page-gutter) 14px;
    border-radius: 0 0 18px 18px;
  }

  .section-card,
  .chat-surface {
    padding: 14px;
  }

  .hero-title {
    font-size: 22px;
  }

  .hero-subtitle {
    font-size: 12px;
  }

  .bottom-nav {
    width: min(calc(100% - 12px), var(--content-width));
    gap: 5px;
    padding: 6px 7px calc(6px + env(safe-area-inset-bottom));
  }

  .nav-item {
    min-height: 36px;
    font-size: 11px;
  }
}