/* ============================================================
   Li-Fi RSS Widget — Feuille de style
   Design : signal lumineux, technologie optique, futuriste
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --lifi-accent:    #00d4ff;
  --lifi-accent2:   #7b5fff;
  --lifi-glow:      rgba(0, 212, 255, 0.18);
  --lifi-glow-md:   rgba(0, 212, 255, 0.32);
  --lifi-bg:        rgba(0, 12, 26, 0.04);
  --lifi-bg-item:   rgba(0, 212, 255, 0.04);
  --lifi-border:    rgba(0, 212, 255, 0.15);
  --lifi-text:      inherit;
  --lifi-text-muted:#6b7a8d;
  --lifi-radius:    10px;
  --lifi-speed:     0.35s;
}

/* ── Icône Wi-Fi stylisée ───────────────────────────────────── */
.lifi-icon {
  width: 1.1em;
  height: 1.1em;
  vertical-align: -0.18em;
  margin-right: 0.35em;
  color: var(--lifi-accent);
  flex-shrink: 0;
}

/* ── Titre via shortcode ────────────────────────────────────── */
.lifi-rss-sc-title {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

/* ── Liste principale ───────────────────────────────────────── */
.lifi-rss-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ── Chaque article ─────────────────────────────────────────── */
.lifi-rss-item {
  opacity: 0;
  transform: translateX(-8px);
  animation: lifi-slide-in var(--lifi-speed) ease forwards;
}

@keyframes lifi-slide-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Lien ───────────────────────────────────────────────────── */
.lifi-rss-link {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--lifi-bg-item);
  border: 1px solid var(--lifi-border);
  border-radius: var(--lifi-radius);
  text-decoration: none;
  color: var(--lifi-text);
  overflow: hidden;
  transition:
    background var(--lifi-speed) ease,
    border-color var(--lifi-speed) ease,
    box-shadow var(--lifi-speed) ease,
    transform var(--lifi-speed) ease;
}

.lifi-rss-link:hover,
.lifi-rss-link:focus-visible {
  background: var(--lifi-glow);
  border-color: var(--lifi-accent);
  box-shadow: 0 0 0 1px var(--lifi-accent), 0 4px 20px var(--lifi-glow);
  transform: translateX(3px);
  text-decoration: none;
  color: var(--lifi-text);
  outline: none;
}

/* ── Faisceau lumineux animé au hover ──────────────────────── */
.lifi-rss-beam {
  pointer-events: none;
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(0, 212, 255, 0.12) 50%,
    transparent 80%
  );
  transform: skewX(-15deg);
  opacity: 0;
  transition: opacity 0.2s ease, left 0.5s ease;
}

.lifi-rss-link:hover .lifi-rss-beam {
  left: 120%;
  opacity: 1;
}

/* ── Contenu textuel ────────────────────────────────────────── */
.lifi-rss-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.lifi-rss-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--lifi-text);
  /* Clamp à 2 lignes */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lifi-rss-link:hover .lifi-rss-title {
  color: var(--lifi-accent);
  transition: color var(--lifi-speed) ease;
}

.lifi-rss-excerpt {
  display: block;
  font-size: 0.8rem;
  color: var(--lifi-text-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Méta (source + date) ───────────────────────────────────── */
.lifi-rss-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}

.lifi-rss-source {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--lifi-accent);
  background: var(--lifi-glow);
  border: 1px solid var(--lifi-border);
  border-radius: 4px;
  padding: 1px 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}

.lifi-rss-date {
  font-size: 0.72rem;
  color: var(--lifi-text-muted);
  white-space: nowrap;
}

/* ── Flèche ─────────────────────────────────────────────────── */
.lifi-rss-arrow {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--lifi-border);
  transition: color var(--lifi-speed) ease, transform var(--lifi-speed) ease;
}

.lifi-rss-link:hover .lifi-rss-arrow {
  color: var(--lifi-accent);
  transform: translateX(4px);
}

/* ── Messages d'erreur / vide ───────────────────────────────── */
.lifi-rss-error,
.lifi-rss-empty {
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: var(--lifi-radius);
  margin: 0;
}

.lifi-rss-error {
  border: 1px solid rgba(255, 80, 80, 0.3);
  background: rgba(255, 80, 80, 0.06);
  color: #e05555;
}

.lifi-rss-empty {
  border: 1px solid var(--lifi-border);
  background: var(--lifi-bg-item);
  color: var(--lifi-text-muted);
}

/* ── Pulsation du point "signal" dans le titre (widget) ─────── */
.widget-title .lifi-icon circle,
.lifi-rss-sc-title .lifi-icon circle {
  animation: lifi-pulse 2.5s ease-in-out infinite;
}

@keyframes lifi-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── Accessibilité : réduction des animations ───────────────── */
@media (prefers-reduced-motion: reduce) {
  .lifi-rss-item,
  .lifi-rss-link,
  .lifi-rss-beam,
  .lifi-rss-arrow,
  .lifi-rss-title,
  .lifi-icon circle {
    animation: none;
    transition: none;
  }
  .lifi-rss-item {
    opacity: 1;
    transform: none;
  }
}

/* ── Dark-mode natif ────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --lifi-bg-item:   rgba(0, 212, 255, 0.06);
    --lifi-border:    rgba(0, 212, 255, 0.2);
    --lifi-glow:      rgba(0, 212, 255, 0.12);
    --lifi-text-muted:#8fa5bb;
  }
}