/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
  --bg-primary: #0f0e0e;
  --bg-secondary: #1a1917;
  --bg-card: #201f1d;
  --bg-card-hover: #2a2926;

  --accent: #e8a838;
  --accent-dark: #c48a1f;
  --accent-light: #f5c96a;

  --text-primary: #f0ece4;
  --text-secondary: #a09a8e;
  --text-muted: #5c5750;

  --border: #2e2c28;
  --border-hover: #4a4740;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.45);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.65);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;

  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
}

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

button { cursor: pointer; font-family: var(--font-body); }

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

.hidden { display: none !important; }


/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 14, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-icon { font-size: 1.6rem; }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

/* Search Bar */
.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  max-width: 420px;
  width: 100%;
}

.search-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.15);
}

.search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 0.6rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

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

.search-bar button {
  background: var(--accent);
  border: none;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  transition: background var(--transition);
}

.search-bar button:hover { background: var(--accent-dark); }


/* ============================================
   FILTRI CATEGORIA
   ============================================ */
.filtri-section {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}

.filtri-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.filtri-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.filtri-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 2px;
}

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

.filtro-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 400;
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}

.filtro-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filtro-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f0e0e;
  font-weight: 500;
}


/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
  min-height: 60vh;
}


/* ============================================
   GRIGLIA RICETTE
   ============================================ */
.ricette-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* Card */
.ricetta-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  width: calc(25% - 1.125rem);
  min-width: 220px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition),
              box-shadow var(--transition),
              border-color var(--transition),
              background var(--transition);
  animation: fadeInUp 0.45s ease both;
}

.ricetta-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

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

/* Stagger animazione carte */
.ricetta-card:nth-child(1)  { animation-delay: 0.04s; }
.ricetta-card:nth-child(2)  { animation-delay: 0.08s; }
.ricetta-card:nth-child(3)  { animation-delay: 0.12s; }
.ricetta-card:nth-child(4)  { animation-delay: 0.16s; }
.ricetta-card:nth-child(5)  { animation-delay: 0.20s; }
.ricetta-card:nth-child(6)  { animation-delay: 0.24s; }
.ricetta-card:nth-child(7)  { animation-delay: 0.28s; }
.ricetta-card:nth-child(8)  { animation-delay: 0.32s; }

.card-img-wrapper {
  position: relative;
  width: 100%;
  padding-top: 66%;
  overflow: hidden;
}

.card-img-wrapper img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ricetta-card:hover .card-img-wrapper img {
  transform: scale(1.07);
}

.card-category-badge {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  background: rgba(15, 14, 14, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  color: var(--accent-light);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.card-body {
  padding: 1.1rem 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.card-meta .separator {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

.card-actions {
  margin-top: auto;
  padding-top: 0.8rem;
}

.btn-dettaglio {
  width: 100%;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: all var(--transition);
}

.btn-dettaglio:hover {
  background: var(--accent);
  color: #0f0e0e;
}


/* ============================================
   LOADING STATE
   ============================================ */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: 6rem 2rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  width: 100%;
}

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

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


/* ============================================
   ERROR & EMPTY STATE
   ============================================ */
.error-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 6rem 2rem;
  color: var(--text-secondary);
  width: 100%;
  text-align: center;
}

.error-icon,
.empty-icon { font-size: 2.8rem; }

.error-state p,
.empty-state p { font-size: 1rem; }

#retryBtn {
  background: var(--accent);
  color: #0f0e0e;
  border: none;
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  transition: background var(--transition);
}

#retryBtn:hover { background: var(--accent-dark); }


/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.site-footer a {
  color: var(--accent);
  transition: color var(--transition);
}

.site-footer a:hover { color: var(--accent-light); }


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
  .ricetta-card { width: calc(33.333% - 1rem); }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 1rem; gap: 1rem; }
  .logo-text { font-size: 1.3rem; }
  .ricetta-card { width: calc(50% - 0.75rem); }
  .main-content { padding: 1.5rem 1rem 3rem; }
}

@media (max-width: 480px) {
  .ricetta-card { width: 100%; }
  .search-bar { max-width: unset; }
}

/* ============================================
   SCROLL ARROWS
   ============================================ */
.filtri-scroll-wrapper {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: 4px;
}

.filtri-scroll-wrapper .filtri-scroll {
  flex: 1;
  min-width: 0;
}

.scroll-arrow {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  border-radius: 50%;
  font-size: 1.4rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
  z-index: 2;
}

.scroll-arrow:hover {
  background: var(--accent);
  color: #0f0e0e;
  border-color: var(--accent);
  transform: scale(1.1);
}

.scroll-arrow:disabled {
  opacity: 0.2;
  cursor: default;
  transform: none;
}


/* ============================================
   BANDIERE SECTION
   ============================================ */
.bandiere-section {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0;
}

.bandiera-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  font-family: var(--font-body);
  line-height: 1;
  display: inline-flex;
  align-items: center;
  transition: all var(--transition);
}

.bandiera-btn .band-label {
  display: none;
}

.bandiera-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bandiera-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f0e0e;
  font-weight: 500;
}

.bandiera-btn.active .band-label {
  color: #0f0e0e;
}