:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --border: #e3e6ec;
  --text: #101828;
  --text-muted: #667085;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-text: #ffffff;
  --focus-ring: rgba(13, 148, 136, 0.16);
  --bubble-user: #101828;
  --bubble-user-text: #f7f8fa;
  --bubble-assistant: #ffffff;
  --bubble-assistant-text: #101828;
  --tool-chip-bg: #f0fdfa;
  --tool-chip-text: #0f766e;
  --compliant: #16a34a;
  --violation: #dc2626;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 2px 8px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0e14;
    --surface: #151a23;
    --border: #262c38;
    --text: #f0f2f5;
    --text-muted: #94a0b4;
    --accent: #2dd4bf;
    --accent-hover: #5eead4;
    --accent-text: #0b0e14;
    --focus-ring: rgba(45, 212, 191, 0.22);
    --bubble-user: #2dd4bf;
    --bubble-user-text: #0b0e14;
    --bubble-assistant: #1a2029;
    --bubble-assistant-text: #f0f2f5;
    --tool-chip-bg: #113b38;
    --tool-chip-text: #5eead4;
    --compliant: #4ade80;
    --violation: #f87171;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

/* Defense-in-depth: without this, an author rule at equal specificity to
   the UA's `[hidden] { display: none }` (e.g. `.composer { display: flex }`
   below) wins the cascade tie by source order and defeats the hidden
   attribute, rendering the element anyway. */
[hidden] {
  display: none !important;
}

html, body {
  height: 100%;
}

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

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 720px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  font-size: 22px;
}

.brand-name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.btn-ghost {
  display: inline-block;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

@media (hover: hover) {
  .btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
}

.chat {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.45;
  font-size: 14.5px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.msg.user {
  align-self: flex-end;
  background: var(--bubble-user);
  color: var(--bubble-user-text);
  border-bottom-right-radius: 4px;
}

.msg.assistant {
  align-self: flex-start;
  background: var(--bubble-assistant);
  color: var(--bubble-assistant-text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.msg.assistant a {
  color: var(--accent);
}

.tool-chip {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--tool-chip-bg);
  color: var(--tool-chip-text);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
}

.tool-chip.compliant {
  color: var(--compliant);
}

.tool-chip.violation {
  color: var(--violation);
}

.typing {
  align-self: flex-start;
  color: var(--text-muted);
  font-size: 13px;
  padding: 4px 4px;
}

.field-hint {
  align-self: center;
  color: var(--text-muted);
  font-size: 12.5px;
  text-align: center;
}

.error {
  align-self: center;
  color: var(--violation);
  font-size: 13px;
  text-align: center;
  padding: 8px;
}

.composer {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg);
}

.composer input {
  flex: 1;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.composer input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.composer button {
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 10px;
  padding: 0 18px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

@media (hover: hover) {
  .composer button:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
}

.composer button:disabled {
  opacity: 0.5;
  cursor: default;
}

.welcome {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: 24px 12px;
}

/* --- Intake form --- */

.intake {
  flex: 1;
  overflow-y: auto;
  padding: 24px 18px 40px;
}

.intake-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.intake-title {
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.01em;
}

.intake-sub {
  margin: -14px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

/* --- My saved recipes --- */

.my-recipes-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.my-recipes-header .intake-title {
  margin: 0;
}

.saved-recipes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.saved-recipe-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease;
}

@media (hover: hover) {
  .saved-recipe-item:hover {
    border-color: var(--accent);
  }
}

.saved-recipe-item .saved-recipe-title {
  font-weight: 600;
  font-size: 14.5px;
}

.saved-recipe-item .saved-recipe-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.saved-recipe-item .saved-recipe-date {
  color: var(--text-muted);
  font-size: 12.5px;
  white-space: nowrap;
}

.saved-recipe-delete {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px;
  opacity: 0.6;
  transition: opacity 0.15s ease, color 0.15s ease;
}

@media (hover: hover) {
  .saved-recipe-delete:hover {
    opacity: 1;
    color: var(--violation);
  }
}

.saved-recipes-empty {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  padding: 24px 12px;
}

.saved-recipes-batch-header {
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  margin: 10px 0 -2px;
}

.saved-recipes-batch-header:first-child {
  margin-top: 0;
}

.saved-recipe-item-grouped {
  margin-left: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.field > label .optional {
  font-weight: 400;
  text-transform: none;
}

.chip-input input,
.field > input[type="text"],
.field > input[type="number"] {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14.5px;
  outline: none;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chip-input input:focus,
.field > input[type="text"]:focus,
.field > input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

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

.photo-detect-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.photo-detect-status {
  font-size: 12.5px;
  color: var(--text-muted);
}

.photo-detect-status.error {
  color: var(--violation);
}

.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--tool-chip-bg);
  color: var(--tool-chip-text);
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  font-size: 13.5px;
}

.chip button {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px;
  opacity: 0.7;
}

@media (hover: hover) {
  .chip button:hover {
    opacity: 1;
  }
}

.mode-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}

.mode-option {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

@media (hover: hover) {
  .mode-option:hover {
    color: var(--text);
  }
}

.mode-option.active {
  background: var(--accent);
  color: var(--accent-text);
}

/* Dietary lens multi-select: a wrapping grid of toggle chips (any number
   can be active at once, e.g. Vegetarian + GERD) rather than the
   single-select stacked radio cards this used to be -- with 11 presets
   plus "No restrictions" and "Custom", stacked full-width cards would make
   the intake form scroll for a long time before reaching the ingredient
   list past this section. Each chip is a <label> wrapping a visually
   hidden but still keyboard-focusable checkbox (see .lens-chip input
   below), matching the accessible label+input pattern the rest of the
   form already uses, not just a styled <button>. */
.lens-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lens-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.lens-chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* Gated to real-hover devices only -- on touch, an unguarded :hover rule
   here eats the first tap (the browser applies :hover as if entering a
   hover state instead of firing the click), so selecting a chip took two
   taps: border-only on the first, the full :checked fill only on the
   second. */
@media (hover: hover) {
  .lens-chip:hover {
    border-color: var(--accent);
  }
}

.lens-chip:has(input:checked) {
  border-color: var(--accent);
  background: var(--tool-chip-bg);
  color: var(--tool-chip-text);
}

.lens-chip:has(input:focus-visible) {
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.lens-chip-none:has(input:checked) {
  border-color: var(--text-muted);
  background: transparent;
  color: var(--text);
}

.custom-lens-text {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  min-height: 64px;
  resize: vertical;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.custom-lens-text:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.quick-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.quick-pick {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

@media (hover: hover) {
  .quick-pick:hover {
    border-color: var(--accent);
    color: var(--accent);
  }
}

.quick-pick.active {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary {
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 10px;
  padding: 13px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

@media (hover: hover) {
  .btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: default;
}

/* --- Recipe cards --- */

.recipe-card {
  align-self: stretch;
  max-width: 100%;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.recipe-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.recipe-card-header h3 {
  margin: 0;
  font-size: 16px;
}

.cuisine-badge {
  background: var(--tool-chip-bg);
  color: var(--tool-chip-text);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.macro-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.macro-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.recipe-card details {
  font-size: 13.5px;
}

.recipe-card summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.recipe-body h4 {
  margin: 10px 0 4px;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.recipe-body ul,
.recipe-body ol {
  margin: 0;
  padding-left: 20px;
}

.recipe-body li {
  margin-bottom: 3px;
}

.lens-note {
  margin: 0;
  font-size: 12.5px;
  font-style: italic;
  color: var(--text-muted);
}

.storage-note {
  margin: 0;
  font-size: 12.5px;
  color: var(--text-muted);
}

.video-link {
  margin: 0;
  font-size: 12.5px;
}

.video-link a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

@media (hover: hover) {
  .video-link a:hover {
    text-decoration: underline;
  }
}

.shopping-note {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--tool-chip-text);
  background: var(--tool-chip-bg);
  border-radius: 8px;
  padding: 6px 10px;
}

.need-to-buy-tag {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.export-btn {
  align-self: flex-start;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

@media (hover: hover) {
  .export-btn:hover {
    border-color: var(--accent);
  }
}

.export-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.save-recipe-row {
  display: flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
}

.save-recipe-row .export-btn {
  align-self: auto;
}

.view-saved-link {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

@media (hover: hover) {
  .view-saved-link:hover {
    text-decoration: underline;
  }
}

.save-all-row {
  align-self: center;
  display: flex;
  justify-content: center;
  padding: 4px 0;
}

.save-all-btn {
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

@media (hover: hover) {
  .save-all-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
}

.save-all-btn:disabled {
  opacity: 0.6;
  cursor: default;
}