:root {
  --color-bg: #fff8f0;
  --color-bg-alt: #fef3e8;
  --color-text: #4a3f35;
  --color-text-muted: #8b7355;
  --color-accent: #c45d35;
  --color-accent-hover: #a34a2a;
  --color-border: #e6d5c3;
  --color-success: #4a7c4e;
  --color-error: #b54a4a;
  --font-body: system-ui, -apple-system, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
  --max-width: 72rem;
  --max-width-narrow: 48rem;
  --spacing: 1rem;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-text);
}

h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Navigation */
nav {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing);
  margin-bottom: calc(var(--spacing) * 2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing);
}

nav > a:first-child {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: bold;
}

nav form {
  display: inline;
}

.nav-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing);
}

/* Flash messages */
.notice {
  background: #e8f5e9;
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: 0.75rem;
  border-radius: 0.25rem;
  margin-bottom: var(--spacing);
}

.notice.copyable {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.notice.copyable span {
  flex: 1;
  word-break: break-all;
}

.notice.copyable button {
  background: transparent;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.7;
}

.notice.copyable button:hover {
  opacity: 1;
  background: transparent;
}

.alert {
  background: #ffebee;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 0.75rem;
  border-radius: 0.25rem;
  margin-bottom: var(--spacing);
}

/* Recipe cards */
article {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: var(--spacing);
  margin-bottom: var(--spacing);
}

article h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

article p {
  color: var(--color-text-muted);
  margin: 0.25rem 0;
}

article.comment {
  background: var(--color-bg);
}

/* Definition lists */
dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  margin: 1rem 0;
}

dt {
  font-weight: bold;
  color: var(--color-text-muted);
}

dd {
  margin: 0;
}

/* Forms */
.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  width: 100%;
  background: white;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

input[type="number"] {
  width: auto;
}

.input-with-prefix {
  display: flex;
  align-items: stretch;
}

.input-prefix {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-right: none;
  border-radius: 0.25rem 0 0 0.25rem;
  padding: 0.5rem;
  color: var(--color-text-muted);
  font-family: monospace;
}

.input-with-prefix input {
  border-radius: 0 0.25rem 0.25rem 0;
  font-family: monospace;
}

input[type="file"] {
  padding: 0.25rem;
}

button, input[type="submit"], a.button {
  background: var(--color-accent);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-decoration: none;
  display: inline-block;
}

button:hover, input[type="submit"]:hover, a.button:hover {
  background: var(--color-accent-hover);
  color: white;
}

button[type="button"] {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

button[type="button"]:hover {
  background: var(--color-border);
}

/* Fieldset */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: var(--spacing);
  margin-bottom: 1rem;
}

legend {
  font-family: var(--font-heading);
  font-weight: bold;
  padding: 0 0.5rem;
}

/* Ingredient fields */
.ingredient-fields {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.ingredient-fields input[type="number"] {
  width: 5rem;
}

.ingredient-fields input[type="text"]:first-of-type {
  width: 5rem;
}

.ingredient-fields input[type="text"] {
  flex: 1;
  min-width: 10rem;
}

/* Portion controls */
.portion-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.portion-controls button {
  width: 2rem;
  height: 2rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
}

/* Errors */
.errors {
  background: #ffebee;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: var(--spacing);
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.errors h2 {
  margin-top: 0;
  font-size: 1rem;
  color: inherit;
}

.errors ul {
  margin: 0;
  padding-left: 1.5rem;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 0.25rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th, td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-weight: 600;
  color: var(--color-text-muted);
}

code {
  background: var(--color-bg-alt);
  padding: 0.125rem 0.25rem;
  border-radius: 0.125rem;
  font-size: 0.875em;
  word-break: break-all;
}

/* Horizontal rule */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* Lists */
ul, ol {
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.25rem;
}

/* Recipe header */
.recipes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.recipes-header .search-form {
  margin-bottom: 0;
  flex: 1;
  max-width: none;
}

/* Recipe grid */
.recipes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.recipe-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: box-shadow 0.2s, transform 0.2s;
}

.recipe-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.recipe-card a {
  display: block;
  text-decoration: none;
}

.recipe-card-image {
  aspect-ratio: 4/3;
  width: 100%;
  object-fit: cover;
}

.recipe-card-placeholder {
  aspect-ratio: 4/3;
  width: 100%;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 3rem;
  opacity: 0.6;
}

.recipe-card-content {
  padding: 1rem;
}

.recipe-card-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-text);
  margin: 0 0 0.5rem 0;
  line-height: 1.3;
}

.recipe-card-meta {
  display: flex;
  gap: 1rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.recipe-card:hover .recipe-card-title {
  color: var(--color-accent);
}

.recipe-card-category {
  background: var(--color-bg-alt);
  padding: 0.125rem 0.5rem;
  border-radius: 1rem;
  font-size: 0.8rem;
}

/* Search form */
.search-form {
  display: flex;
  gap: 0.5rem;
  max-width: 32rem;
}

.search-form input[type="search"] {
  flex: 1;
  min-width: 0;
}

.search-form input[type="submit"] {
  flex-shrink: 0;
  width: auto;
}

/* Narrow container for forms and single recipe view */
.narrow {
  max-width: var(--max-width-narrow);
}

/* Recipe show page */
.recipe-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.recipe-header h1 {
  margin: 0;
}

.button-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  padding: 0.375rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
}

.button-secondary:hover {
  background: var(--color-border);
  color: var(--color-text);
  text-decoration: none;
}

.recipe-image {
  margin: 0 auto 1.5rem auto;
  max-width: 700px;
}

.recipe-image img {
  width: 100%;
  border-radius: 0.5rem;
}

.recipe-intro {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin: 0 0 1.5rem 0;
  font-style: italic;
}

.recipe-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .recipe-columns {
    grid-template-columns: 1fr 2fr;
  }
}

.ai-disclaimer {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  margin-top: 0.5rem;
  font-style: italic;
}

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

.ingredients-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.comment-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.comment-author {
  font-weight: 600;
  color: var(--color-text);
}

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

.comment-date::before {
  content: "·";
  margin-right: 0.5rem;
}

.comment-body p {
  margin: 0;
}

.comment-body p + p {
  margin-top: 0.75rem;
}

.comment-actions {
  margin-top: 0.5rem;
}

.comment-delete {
  background: transparent;
  color: var(--color-text-muted);
  border: none;
  padding: 0;
  font-size: 0.8rem;
  cursor: pointer;
}

.comment-delete:hover {
  color: var(--color-error);
  background: transparent;
}

/* Responsive */
@media (max-width: 600px) {
  dl {
    grid-template-columns: 1fr;
  }

  .ingredient-fields {
    flex-direction: column;
  }

  .ingredient-fields input {
    width: 100% !important;
  }

  .recipes-grid {
    grid-template-columns: 1fr;
  }
}