@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   VARIABLE SYSTEM (CSS Custom Properties)
   ========================================================================== */
:root {
  --font-brand: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors based on Iberá Streaming logo */
  --color-primary: #97C93E;        /* Verde Iberá */
  --color-primary-dark: #7fa930;
  --color-primary-light: #f0f7e1;
  --color-accent: #E31B23;         /* Rojo Alerta (Punto) */
  --color-accent-light: #ffebeb;
  
  /* Palette neutrals */
  --color-bg-body: #f7f9fa;
  --color-bg-card: #ffffff;
  --color-text-main: #1e293b;      /* Slate 800 */
  --color-text-muted: #64748b;     /* Slate 500 */
  --color-border: #e2e8f0;         /* Slate 200 */
  --color-shadow: rgba(148, 163, 184, 0.08);
  --color-overlay: rgba(15, 23, 42, 0.6);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
  --border-radius-sm: 8px;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

/* ==========================================================================
   HEADER & WEATHER BAR
   ========================================================================== */
.top-bar {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: #ffffff;
  font-family: var(--font-brand);
  padding: 8px 16px;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  z-index: 100;
}

.weather-widget {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.weather-temp {
  font-weight: 700;
  color: var(--color-primary);
}

.weather-link {
  color: #94a3b8;
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.weather-link:hover {
  color: var(--color-primary);
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.date-display {
  color: #94a3b8;
}

.header {
  background-color: #480072;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 99;
  padding: 12px 24px;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 52px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.logo-img:hover {
  transform: scale(1.02);
}

/* Buscador */
.search-box {
  display: flex;
  align-items: center;
  background-color: #f1f5f9;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  padding: 6px 16px;
  width: 100%;
  max-width: 320px;
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  background-color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-input {
  background: transparent;
  width: 100%;
  padding: 4px 8px;
  color: var(--color-text-main);
  font-size: 0.9rem;
}

.search-btn {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.search-btn:hover {
  color: var(--color-primary);
}

/* ==========================================================================
   URGENTE MARQUESINA
   ========================================================================== */
.breaking-ticker {
  background-color: var(--color-accent-light);
  border-bottom: 1px solid #fecaca;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
}

.ticker-label {
  background-color: var(--color-accent);
  color: #ffffff;
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  animation: pulse 1.5s infinite;
}

.ticker-dot {
  width: 8px;
  height: 8px;
  background-color: #ffffff;
  border-radius: 50%;
}

.ticker-content {
  flex-grow: 1;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-text-wrapper {
  display: inline-block;
  animation: marquee 25s linear infinite;
  padding-left: 100%;
}

.ticker-item {
  color: #991b1b;
  font-weight: 600;
  font-size: 0.9rem;
  margin-right: 50px;
  cursor: pointer;
}

.ticker-item:hover {
  text-decoration: underline;
}

/* ==========================================================================
   LAYOUT PRINCIPAL
   ========================================================================== */
.main-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
}

/* Pestañas de Navegación */
.tabs-navigation {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none; /* Firefox */
}

.tabs-navigation::-webkit-scrollbar {
  display: none; /* Safari / Chrome */
}

.tab-btn {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  padding: 8px 18px;
  border-radius: 20px;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-text-main);
  background-color: #f1f5f9;
}

.tab-btn.active {
  color: #ffffff;
  background-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(151, 201, 62, 0.3);
}

.tab-btn.tab-urgente.active {
  background-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(227, 27, 35, 0.3);
}

/* Sección de contenido */
.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .content-grid {
    grid-template-columns: 8fr 3fr; /* 8/11 y 3/11 columnas */
  }
}

/* ==========================================================================
   NOTICIA DESTACADA (HERO CARD)
   ========================================================================== */
.featured-hero {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 10px 15px -3px var(--color-shadow), 0 4px 6px -2px var(--color-shadow);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 1fr;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.featured-hero:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(148, 163, 184, 0.15);
}

.hero-img-wrapper {
  position: relative;
  min-height: 280px;
}

@media (min-width: 768px) {
  .featured-hero {
    grid-template-columns: 1.2fr 1fr;
  }
  .hero-img-wrapper {
    height: 100%;
  }
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.hero-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--color-accent);
  color: #ffffff;
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.hero-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.hero-category {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--color-text-main);
}

.hero-summary {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-family: var(--font-brand);
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

.read-more-btn:hover {
  transform: translateX(4px);
}

.source-tag {
  background-color: #f1f5f9;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 4px 10px;
  border-radius: 30px;
  font-weight: 600;
}

/* ==========================================================================
   FEED DE NOTICIAS GRID
   ========================================================================== */
.feed-header {
  margin-bottom: 16px;
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .feed-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.news-card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px var(--color-shadow);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-normal);
}

.news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(148, 163, 184, 0.15);
}

.card-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.news-card:hover .card-img {
  transform: scale(1.05);
}

.card-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.card-category {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-title {
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.4;
  margin-bottom: 8px;
  color: var(--color-text-main);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 4.2em; /* Altura fija para alineación */
}

.card-summary {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}

.tag-label {
  font-size: 0.7rem;
  background-color: #f1f5f9;
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 4px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: auto;
}

/* ==========================================================================
   PANEL COTIZACIONES AGRO (CATTLE PRICES)
   ========================================================================== */
.sidebar-section {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: 0 4px 6px -1px var(--color-shadow);
  border: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.sidebar-title {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-text-main);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 8px;
}

.sidebar-title span {
  color: var(--color-primary-dark);
}

.prices-table {
  width: 100%;
  border-collapse: collapse;
}

.prices-table th {
  text-align: left;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.prices-table td {
  padding: 10px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid #f1f5f9;
}

.price-category {
  font-weight: 600;
  color: var(--color-text-main);
}

.price-val {
  font-weight: 700;
  font-family: var(--font-brand);
  color: #0f172a;
}

.price-trend {
  text-align: right;
  font-weight: bold;
}

.trend-up {
  color: #10b981; /* Verde */
}

.trend-down {
  color: #ef4444; /* Rojo */
}

.trend-stable {
  color: #64748b; /* Gris */
}

.prices-footer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 12px;
  text-align: right;
}

/* Espacio publicitario */
.ad-banner {
  background-color: #f1f5f9;
  border: 2px dashed #cbd5e1;
  border-radius: var(--border-radius);
  padding: 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-family: var(--font-brand);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

/* ==========================================================================
   PÁGINA INDIVIDUAL DE NOTICIA (DETAIL VIEW)
   ========================================================================== */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 6px -1px var(--color-shadow);
  overflow: hidden;
  padding: 24px;
}

@media (min-width: 768px) {
  .article-container {
    padding: 40px;
    margin-top: 24px;
    margin-bottom: 40px;
  }
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-family: var(--font-brand);
  margin-bottom: 24px;
  font-size: 0.95rem;
  transition: transform var(--transition-fast);
}

.article-back-link:hover {
  transform: translateX(-4px);
}

.article-header {
  margin-bottom: 24px;
}

.article-category {
  display: inline-block;
  color: #ffffff;
  background-color: var(--color-primary);
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.article-category.urgente {
  background-color: var(--color-accent);
}

.article-title {
  font-family: var(--font-brand);
  font-size: 1.8rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--color-text-main);
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .article-title {
    font-size: 2.3rem;
  }
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.article-img-wrapper {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  margin-bottom: 28px;
  max-height: 480px;
}

.article-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-section-title {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 12px;
  border-left: 4px solid var(--color-primary);
  padding-left: 10px;
}

.article-section-title.urgente {
  border-left-color: var(--color-accent);
}

.article-summary-box {
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius-sm);
  padding: 18px;
  font-size: 1.05rem;
  color: var(--color-text-main);
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 28px;
}

.article-explanation {
  font-size: 1.1rem;
  line-height: 1.75;
  color: #334155; /* Slate 700 para máxima legibilidad */
  margin-bottom: 32px;
}

.article-source-box {
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.source-info-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: #3f6212; /* Verde oliva oscuro */
}

.source-link-btn {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  transition: background-color var(--transition-fast);
}

.source-link-btn:hover {
  background-color: var(--color-primary-dark);
}

/* ==========================================================================
   PANEL ADMIN & LOGIN
   ========================================================================== */
.admin-login-card {
  max-width: 420px;
  margin: 80px auto;
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 15px -3px var(--color-shadow);
  padding: 32px;
}

.admin-login-title {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.admin-btn {
  width: 100%;
  background-color: var(--color-primary);
  color: #ffffff;
  font-family: var(--font-brand);
  font-weight: 700;
  padding: 12px;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 6px rgba(151, 201, 62, 0.2);
  transition: all var(--transition-fast);
  margin-top: 10px;
}

.admin-btn:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 12px rgba(151, 201, 62, 0.3);
}

.error-msg {
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-top: 8px;
  text-align: center;
  display: none;
}

/* Dashboard Admin */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
}

.logout-btn {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 8px;
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.logout-btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
  padding: 16px;
  text-align: center;
}

.stat-val {
  font-family: var(--font-brand);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.stat-lbl {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.admin-actions-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.action-btn {
  background-color: #f1f5f9;
  border: 1px solid var(--color-border);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background-color: #e2e8f0;
}

.action-btn.primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.action-btn.primary:hover {
  background-color: var(--color-primary-dark);
}

/* Modales / Formularios */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--color-overlay);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 1.5rem;
  color: var(--color-text-muted);
}

/* Tablas Admin */
.admin-table-container {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-border);
  overflow-x: auto;
  margin-bottom: 32px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th, .admin-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.admin-table th {
  background-color: #f8fafc;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.admin-table td {
  font-size: 0.85rem;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-published {
  background-color: #d1fae5;
  color: #065f46;
}

.status-hidden {
  background-color: #fef3c7;
  color: #92400e;
}

.action-links {
  display: flex;
  gap: 8px;
}

.tbl-action-btn {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}

.btn-edit {
  background-color: #dbeafe;
  color: #1e40af;
}

.btn-delete {
  background-color: #fee2e2;
  color: #991b1b;
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes marquee {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-100%, 0, 0); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.95); opacity: 0.85; }
  100% { transform: scale(1); opacity: 1; }
}

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

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(0,0,0,0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spinner 0.8s linear infinite;
  margin: 40px auto;
}

/* Banners Publicitarios */
.in-feed-ad-row {
  grid-column: span 1;
  margin: 16px 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 6px -1px var(--color-shadow);
  height: 100px;
  transition: transform var(--transition-fast);
}

.in-feed-ad-row:hover {
  transform: scale(1.01);
}

@media (min-width: 640px) {
  .in-feed-ad-row {
    grid-column: span 2;
    height: 160px;
  }
}