/* =====================================================
   PERIODICO.ONE — Components
   ===================================================== */

/* =====================================================
   SECTION TABS
   ===================================================== */
.section-tab {
  padding: 0.875rem 1.375rem;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -2px; /* Overlap border-bottom of parent */
}

.section-tab:hover {
  color: var(--text-primary);
}

.section-tab.active {
  color: var(--text-accent);
  border-bottom-color: var(--text-accent);
  font-weight: 600;
}

/* =====================================================
   META INFO
   ===================================================== */
.news-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.375rem;
}

.news-section-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  line-height: 1.4;
}

.news-source {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.news-time {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-left: auto;
}

/* =====================================================
   FEATURED ARTICLE
   ===================================================== */
.news-featured {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 2.25rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition), border-color var(--transition);
  position: relative;
}

.news-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--text-accent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.news-featured-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  margin: 0.625rem 0 0.875rem;
  letter-spacing: -0.3px;
}

.news-excerpt {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 1.375rem;
  max-width: 720px;
}

/* ── Featured actions ── */
.news-actions {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.375rem;
}

/* =====================================================
   NEWS GRID
   ===================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* =====================================================
   NEWS CARD
   ===================================================== */
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.375rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition),
              background-color var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.news-card-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0.375rem 0 auto;
  padding-bottom: 0.875rem;
  flex: 1;
}

/* ── Card actions ── */
.news-card-actions {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

/* =====================================================
   BUTTONS — Featured
   ===================================================== */
.btn-read {
  padding: 0.5rem 1.125rem;
  background: var(--text-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: opacity var(--transition), transform var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn-read:hover {
  opacity: 0.88;
  transform: translateX(1px);
}

.btn-summarize,
.btn-reader {
  padding: 0.5rem 1rem;
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-summarize:hover,
.btn-reader:hover {
  background: var(--border);
  border-color: var(--border-strong);
}

.btn-summarize:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-verify {
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn-verify:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

/* =====================================================
   BUTTONS — Cards (small)
   ===================================================== */
.btn-read-sm {
  padding: 0.3rem 0.7rem;
  background: var(--text-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 700;
  transition: opacity var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn-read-sm:hover {
  opacity: 0.88;
}

.btn-summarize-sm,
.btn-reader-sm {
  padding: 0.3rem 0.625rem;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.btn-summarize-sm:hover,
.btn-reader-sm:hover {
  background: var(--border);
  color: var(--text-primary);
}

.btn-summarize-sm:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-verify-sm {
  padding: 0.3rem 0.625rem;
  color: var(--text-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  transition: color var(--transition), background var(--transition);
  display: inline-flex;
  align-items: center;
}

.btn-verify-sm:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

/* ── Dark toggle button ── */
.btn-dark-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}

.btn-dark-toggle:hover {
  background: var(--border);
  color: var(--text-primary);
}

/* =====================================================
   SUMMARY BOX
   ===================================================== */
.news-summary-box {
  margin-top: 1rem;
}

.summary-content {
  background: var(--bg-elevated);
  border-left: 3px solid var(--text-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.summary-content strong {
  color: var(--text-accent);
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-error {
  color: var(--text-accent);
  font-size: 0.875rem;
  padding: 0.5rem 0;
  font-style: italic;
}

/* =====================================================
   LOADING DOTS ANIMATION
   ===================================================== */
.loading-dots {
  display: flex;
  gap: 0.375rem;
  align-items: center;
  padding: 0.625rem 0.25rem;
}

.loading-dots span {
  width: 7px;
  height: 7px;
  background: var(--text-tertiary);
  border-radius: 50%;
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse-dot {
  0%, 80%, 100% {
    opacity: 0.25;
    transform: scale(0.75);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
}

/* =====================================================
   SKELETON LOADING
   ===================================================== */
.skeleton-featured {
  height: 260px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 1.75rem;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.skeleton-card {
  height: 200px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}

.skeleton-card:nth-child(2) { animation-delay: 0.2s; }
.skeleton-card:nth-child(3) { animation-delay: 0.4s; }

@keyframes skeleton-shimmer {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 0.9; }
}

/* =====================================================
   STATE VIEWS
   ===================================================== */
.empty-state,
.error-state,
.loading-text {
  grid-column: 1 / -1;
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.empty-state p,
.error-state p {
  margin-bottom: 1.25rem;
}

.error-state button,
#retry-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1rem;
  padding: 0.625rem 1.5rem;
  background: var(--text-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity var(--transition);
}

.error-state button:hover,
#retry-btn:hover {
  opacity: 0.88;
}

/* =====================================================
   NEWS GRID — Responsive
   ===================================================== */
@media (max-width: 900px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .skeleton-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
  .skeleton-grid {
    grid-template-columns: 1fr;
  }
  .news-featured {
    padding: 1.375rem 1.25rem;
  }
  .news-actions {
    gap: 0.5rem;
  }
}

/* =====================================================
   COOKIE BANNER
   ===================================================== */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--bg-surface, #fff);
  border-top: 1px solid var(--border, #e2e8f0);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}
.cookie-content { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; width: 100%; }
.cookie-text { flex: 1; font-size: 13px; line-height: 1.5; }
.cookie-text strong { display: block; margin-bottom: 2px; }
.cookie-text p { margin: 0; color: var(--text-secondary, #475569); }
.cookie-text a { color: var(--color-primary, #2563eb); }
.cookie-actions { display: flex; gap: 8px; flex-wrap: wrap; flex-shrink: 0; }
.btn-cookie-primary { background: var(--color-primary, #2563eb); color: #fff; border: none; border-radius: 6px; padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; }
.btn-cookie-secondary { background: transparent; color: var(--text-secondary, #475569); border: 1px solid var(--border, #e2e8f0); border-radius: 6px; padding: 8px 16px; font-size: 13px; cursor: pointer; }
.btn-cookie-config { background: transparent; color: var(--color-primary, #2563eb); border: 1px solid var(--color-primary, #2563eb); border-radius: 6px; padding: 8px 16px; font-size: 13px; cursor: pointer; }

/* Config modal */
#cookie-config-panel { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; }
.cookie-config-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.cookie-config-modal { position: relative; background: var(--bg-surface, #fff); border-radius: 12px; padding: 24px; max-width: 460px; width: 90%; z-index: 1; }
.cookie-config-modal h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.cookie-type { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border, #e2e8f0); }
.cookie-type:last-of-type { border-bottom: none; }
.cookie-type-info strong { font-size: 13px; font-weight: 500; display: block; margin-bottom: 2px; }
.cookie-type-info p { font-size: 12px; color: var(--text-secondary, #475569); margin: 0; }
.cookie-config-actions { display: flex; gap: 8px; margin-top: 16px; justify-content: flex-end; }

@media (max-width: 640px) {
  #cookie-banner { flex-direction: column; align-items: flex-start; }
  .cookie-actions { width: 100%; justify-content: flex-end; }
}

/* =====================================================
   ONBOARDING
   ===================================================== */
#onboarding-overlay { position: fixed; inset: 0; z-index: 9998; pointer-events: none; }
.onboarding-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.4); pointer-events: all; }
.onboarding-tooltip {
  position: absolute; z-index: 9999; pointer-events: all;
  background: var(--bg-surface, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 12px; padding: 20px;
  width: 300px; max-width: 90vw;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.onboarding-skip { position: absolute; top: 10px; right: 12px; background: none; border: none; font-size: 12px; color: var(--text-tertiary); cursor: pointer; }
.onboarding-step-indicator { display: flex; gap: 6px; margin-bottom: 12px; }
.onboarding-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.onboarding-dot.active { background: var(--color-primary, #2563eb); }
.onboarding-tooltip h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.onboarding-tooltip p { font-size: 13px; color: var(--text-secondary); margin-bottom: 14px; line-height: 1.5; }
.onboarding-actions { display: flex; justify-content: flex-end; }
.onboarding-actions button { background: var(--color-primary, #2563eb); color: #fff; border: none; border-radius: 6px; padding: 8px 16px; font-size: 13px; font-weight: 500; cursor: pointer; }
.onboarding-highlight { outline: 3px solid var(--color-primary, #2563eb) !important; outline-offset: 4px; border-radius: 6px; position: relative; z-index: 9997; }

/* =====================================================
   SHARE BLOCK
   ===================================================== */
.share-block { display: flex; align-items: center; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.share-label { font-size: 13px; color: var(--text-secondary); }
.btn-share-wa { background: #25D366; color: #fff; border: none; border-radius: 6px; padding: 6px 12px; font-size: 12px; font-weight: 500; cursor: pointer; }
.btn-share-tw { background: #1DA1F2; color: #fff; border: none; border-radius: 6px; padding: 6px 12px; font-size: 12px; font-weight: 500; cursor: pointer; }
.btn-share-copy { background: var(--bg-elevated); color: var(--text-primary); border: 1px solid var(--border); border-radius: 6px; padding: 6px 12px; font-size: 12px; font-weight: 500; cursor: pointer; }

/* =====================================================
   FEEDBACK BLOCK
   ===================================================== */
.feedback-block { display: flex; align-items: center; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.feedback-label { font-size: 13px; color: var(--text-secondary); }
.btn-feedback { background: none; border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font-size: 16px; cursor: pointer; transition: background 0.15s; }
.btn-feedback:hover { background: var(--bg-elevated); }
.feedback-comment { display: flex; gap: 8px; width: 100%; }
.feedback-comment input { flex: 1; border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; font-size: 13px; background: var(--bg-base); color: var(--text-primary); }
.feedback-comment button { background: var(--color-primary, #2563eb); color: #fff; border: none; border-radius: 6px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.feedback-thanks { font-size: 13px; color: var(--color-accent, #16a34a); }

/* =====================================================
   AI INDICATOR
   ===================================================== */
.ai-indicator { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.ai-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 20px; background: linear-gradient(135deg, #6366f120, #818cf820); color: #4338ca; border: 1px solid #6366f130; letter-spacing: 0.03em; }
.ai-disclaimer { font-size: 11px; color: var(--text-tertiary); }

/* =====================================================
   TOAST
   ===================================================== */
.toast-msg { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); border-radius: 8px; padding: 10px 20px; font-size: 13px; z-index: 10001; box-shadow: 0 4px 16px rgba(0,0,0,0.15); animation: toast-in 0.3s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }