/* ============================================================
   Recetario Antiinflamatorio — estilo natural, verde, limpio
   ============================================================ */

:root {
  --green-dark:  #2d6a4f;
  --green-mid:   #52b788;
  --green-light: #95d5b2;
  --green-pale:  #d8f3dc;
  --cream:       #f8f9f0;
  --text:        #1b2a1f;
  --text-muted:  #5a7060;
  --white:       #ffffff;
  --shadow:      0 2px 12px rgba(0,0,0,0.08);
  --radius:      12px;
  --radius-sm:   8px;
  --font:        'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--text);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---- Header ---- */
header {
  background: var(--green-dark);
  color: var(--white);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

header h1 {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.3px;
}

.recipe-count {
  background: var(--green-mid);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
}

/* ---- Hero search ---- */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-mid) 100%);
  padding: 40px 0 48px;
}

.search-box {
  display: flex;
  background: var(--white);
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  overflow: hidden;
  max-width: 640px;
  margin: 0 auto;
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  padding: 16px 24px;
  font-size: 1rem;
  color: var(--text);
  background: transparent;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box button {
  background: var(--green-mid);
  border: none;
  cursor: pointer;
  padding: 0 22px;
  color: var(--white);
  display: flex;
  align-items: center;
  transition: background 0.2s;
}

.search-box button:hover {
  background: var(--green-dark);
}

/* ---- Categorías ---- */
.categories {
  background: var(--white);
  border-bottom: 1px solid #e0e8e0;
  position: sticky;
  top: 56px;
  z-index: 90;
}

.cat-scroll {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.cat-scroll::-webkit-scrollbar { display: none; }

.cat-btn {
  flex-shrink: 0;
  background: transparent;
  border: 1.5px solid var(--green-light);
  color: var(--green-dark);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.cat-btn:hover {
  background: var(--green-pale);
}

.cat-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

/* ---- Resultados info ---- */
.results-info {
  padding: 20px 0 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ---- Grid de cards ---- */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  padding-bottom: 24px;
}

.recipe-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  cursor: pointer;
  transition: transform 0.18s, box-shadow 0.18s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1.5px solid transparent;
}

.recipe-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  border-color: var(--green-light);
}

.card-category {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.card-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.card-meta {
  display: flex;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}

.tag {
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 12px;
}

/* ---- Paginación ---- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 24px 0 40px;
  flex-wrap: wrap;
}

.page-btn {
  background: var(--white);
  border: 1.5px solid var(--green-light);
  color: var(--green-dark);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
  min-width: 40px;
  text-align: center;
}

.page-btn:hover { background: var(--green-pale); }
.page-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---- Loading ---- */
.loading {
  display: flex;
  justify-content: center;
  padding: 60px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--green-pale);
  border-top-color: var(--green-mid);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state p { margin-bottom: 16px; font-size: 1.05rem; }
.empty-state button {
  background: var(--green-dark);
  color: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.9rem;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px 20px;
  overflow-y: auto;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 680px;
  width: 100%;
  padding: 32px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--green-pale);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-category {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.modal h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px;
}

.modal-meta {
  display: flex;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.modal h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--green-dark);
  margin-bottom: 10px;
  margin-top: 24px;
}

.modal ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal ul li {
  padding: 6px 0;
  border-bottom: 1px solid var(--green-pale);
  font-size: 0.95rem;
  padding-left: 14px;
  position: relative;
}

.modal ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--green-mid);
}

.modal .preparacion {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-line;
}

.modal .preparacion-steps {
  margin: 0;
  padding-left: 20px;
}

.modal .preparacion-steps li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 10px;
  padding-left: 4px;
}

.modal .modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

/* ---- Auth header user ---- */
.header-user {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-name {
  font-size: 0.85rem;
  color: var(--green-light);
}
.btn-logout {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* ---- Card top (category + heart) ---- */
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* ---- Favorito icon en card ---- */
.fav-icon {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 50%;
  line-height: 1;
  transition: transform 0.15s;
  flex-shrink: 0;
}
.fav-icon:hover { transform: scale(1.2); }

/* ---- Modal actions ---- */
.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  margin-top: 4px;
}

.modal-fav-btn {
  padding: 7px 16px;
  background: var(--green-pale);
  color: var(--green-dark);
  border: 1.5px solid var(--green-light);
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.modal-fav-btn:hover, .modal-fav-btn.active {
  background: #ffe0e6;
  border-color: #e88a9a;
  color: #c0392b;
}

.modal-wa-btn {
  padding: 7px 16px;
  background: #25d366;
  color: white;
  border: none;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}
.modal-wa-btn:hover { background: #1aaa53; }
.modal-wa-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.modal-wa-btn--list { background: #128c7e; }
.modal-wa-btn--list:hover { background: #0d6e62; }

/* ---- Helpers ---- */
.hidden { display: none !important; }

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .hero { padding: 28px 0 36px; }
  .search-box input { padding: 13px 18px; }
  .recipe-grid { grid-template-columns: 1fr; gap: 14px; }
  .modal { padding: 24px 20px; }
}