/* ------------------------------------------------------------------ *
 * Sanka — design tokens & global styles                               *
 * ------------------------------------------------------------------ */

:root {
  --bg:           #fafaf8;
  --card:         #ffffff;
  --text:         #1a1a18;
  --text-muted:   #6b6860;
  --accent:       #3d7a4d;
  --accent-hover: #2e5e3a;
  --accent-light: #eaf3ec;
  --border:       #e8e6e0;
  --border-focus: #3d7a4d;
  --danger:       #c0392b;
  --danger-light: #fff0f0;
  --info-light:   #f0f7f1;
  --radius:       8px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.07);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
  --max-w:        860px;
}

/* ------------------------------------------------------------------ *
 * Reset                                                               *
 * ------------------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
               "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

/* ------------------------------------------------------------------ *
 * Navigation                                                          *
 * ------------------------------------------------------------------ */

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 54px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo:hover { text-decoration: none; color: var(--accent-hover); }

.nav-links {
  display: flex;
  gap: 1.25rem;
  flex: 1;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* ------------------------------------------------------------------ *
 * Buttons                                                             *
 * ------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
  line-height: 1.4;
}
.btn:hover { text-decoration: none; }

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

.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: #d8d4cc; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); color: var(--text); }

.btn-sm { padding: 0.3rem 0.7rem; font-size: 0.8rem; }

/* ------------------------------------------------------------------ *
 * Page wrapper                                                        *
 * ------------------------------------------------------------------ */

main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* ------------------------------------------------------------------ *
 * Alerts                                                              *
 * ------------------------------------------------------------------ */

.alert {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.alert-error {
  background: var(--danger-light);
  border-color: #ffc5c5;
  color: var(--danger);
}
.alert-info {
  background: var(--info-light);
  border-color: #b8d9be;
  color: #2a5c37;
}

/* ------------------------------------------------------------------ *
 * Search bar                                                          *
 * ------------------------------------------------------------------ */

.search-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.search-input {
  flex: 1;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  background: var(--card);
  color: var(--text);
  transition: border-color 0.15s;
}
.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

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

.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.1rem;
}

.recipe-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.1s;
}
.recipe-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  text-decoration: none;
}

.recipe-card-thumb {
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: var(--border);
}

.recipe-card-placeholder {
  width: 100%;
  height: 170px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.5;
}

.recipe-card-body {
  padding: 0.9rem 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.recipe-card-title {
  font-size: 0.975rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.recipe-card-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
}

/* ------------------------------------------------------------------ *
 * Empty state                                                         *
 * ------------------------------------------------------------------ */

.empty-state {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h2 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); }
.empty-state p  { margin-bottom: 1.5rem; }

/* ------------------------------------------------------------------ *
 * Result count                                                        *
 * ------------------------------------------------------------------ */

.result-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ------------------------------------------------------------------ *
 * Recipe detail                                                       *
 * ------------------------------------------------------------------ */

.recipe-detail {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.recipe-hero {
  width: 100%;
  max-height: 380px;
  object-fit: cover;
}

.recipe-detail-body {
  padding: 2rem;
}

.recipe-title {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.recipe-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.1rem 0 1.75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.meta-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}
.meta-value {
  font-size: 0.92rem;
  color: var(--text);
  font-weight: 500;
}

.recipe-description {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.recipe-section {
  margin-bottom: 2.25rem;
}
.recipe-section h2 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* Ingredients */
.ingredients-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.ingredients-list li {
  font-size: 0.95rem;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.ingredients-list li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.4em;
}

/* Instructions */
.instructions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  counter-reset: steps;
}
.instructions-list li {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
  counter-increment: steps;
}
.instructions-list li::before {
  content: counter(steps);
  min-width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.15em;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Source footer */
.recipe-source {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.recipe-source a { color: var(--accent); }

/* Extraction badge */
.extr-badge {
  display: inline-block;
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.extr-badge-jsonld { background: #e8f5e9; color: #2e7d32; }
.extr-badge-llm    { background: #e3f2fd; color: #1565c0; }
.extr-badge-manual { background: #fce4ec; color: #880e4f; }

/* ------------------------------------------------------------------ *
 * Forms (add / preview)                                               *
 * ------------------------------------------------------------------ */

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.form-card + .form-card { margin-top: 1.5rem; }

.form-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.1rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--card);
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.6;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

/* Preview image thumbnail */
.preview-img {
  max-height: 220px;
  border-radius: var(--radius);
  object-fit: cover;
  border: 1px solid var(--border);
  margin-top: 0.35rem;
}

/* Source info box shown on preview page */
.source-info {
  background: var(--info-light);
  border: 1px solid #b8d9be;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  color: #2a5c37;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.source-info a { color: var(--accent-hover); font-weight: 500; }

/* ------------------------------------------------------------------ *
 * Responsive tweaks                                                   *
 * ------------------------------------------------------------------ */

@media (max-width: 600px) {
  .recipe-grid { grid-template-columns: 1fr; }
  .recipe-detail-body { padding: 1.25rem; }
  .recipe-title { font-size: 1.45rem; }
  .form-card { padding: 1.25rem; }
  .recipe-meta-strip { gap: 1rem; }
}