:root {
  --color-bg: #f5f5f0;
  --color-surface: #ffffff;
  --color-text: #1a3a5c;
  --color-text-muted: #5a6a7a;
  --color-primary: #1a3a5c;
  --color-primary-hover: #0f2a45;
  --color-primary-light: #e8eef5;
  --color-accent: #d4a843;
  --color-accent-hover: #c49a35;
  --color-border: #e0e0e0;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --header-h: 56px;
  --player-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
  padding-bottom: var(--player-h);
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ========== HEADER — idéntico a React ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-text);
}
.header__logo:hover { text-decoration: none; }

.header__logo-text {
  background: linear-gradient(135deg, var(--color-primary), #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header__logo-img {
  border-radius: 6px;
  object-fit: cover;
}

.header__nav {
  display: flex;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all 0.15s;
}
.nav-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}
.nav-link--active,
.nav-link.active {
  background: var(--color-primary);
  color: #fff;
}

/* ========== CONTAINER ========== */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0.75rem 1rem;
}

/* ========== HERO compacto ========== */
.hero {
  text-align: center;
  padding: 1rem 1rem 0.75rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.hero__badge-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(22,163,74,0.4); }
  50% { box-shadow: 0 0 0 5px transparent; }
}

.hero h1 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 0.15rem;
}

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

/* ========== ARTICLES ========== */
.articles {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.article-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--color-text);
  transition: all 0.15s;
  box-shadow: var(--shadow);
}

.article-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow);
  color: var(--color-text);
  text-decoration: none;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.article-card__tag {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-success);
  background: rgba(22,163,74,0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.article-card__date {
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.article-card__arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  transition: all 0.15s;
}
.article-card:hover .article-card__arrow {
  color: var(--color-primary);
  transform: translateX(2px);
}

.article-card__title {
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.15rem;
}

.article-card__excerpt {
  font-size: 0.73rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========== ARTICLE PAGE ========== */
.article { padding-top: 0.25rem; }

.article__back {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.article__back:hover { color: var(--color-primary); text-decoration: none; }

.article__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.article__tag {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-success);
  background: rgba(22,163,74,0.08);
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
}

.article__date, .article__reading {
  font-size: 0.68rem;
  color: var(--color-text-muted);
}
.article__reading::before { content: '·'; margin-right: 0.4rem; }

.article__title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.3px;
  margin-bottom: 0.3rem;
}

.article__excerpt {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.article__content {
  font-size: 0.85rem;
  line-height: 1.7;
}
.article__content p { margin-bottom: 0.7rem; }

.article__footer {
  margin-top: 1.25rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.article__footer p {
  color: var(--color-text-muted);
  font-size: 0.7rem;
  margin-bottom: 0.15rem;
}

.keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.keyword {
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.68rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .sep { opacity: 0.4; }

.footer {
  border-top: 1px solid var(--color-border);
  padding: 0.75rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.68rem;
}

/* ========== PLAYER — igual que React ========== */
.player {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--player-h);
  background: #0f172a;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player__inner {
  max-width: 1200px;
  width: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.player__info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  flex: 1;
}

.player__live {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--color-error);
  color: #fff;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.player__live-dot {
  width: 5px; height: 5px;
  background: #fff;
  border-radius: 50%;
  animation: livePulse 1.5s infinite;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.player__now { display: flex; flex-direction: column; min-width: 0; }

.player__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player__artist {
  font-size: 0.7rem;
  color: #94a3b8;
}

.player__btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  flex-shrink: 0;
  transition: all 0.15s;
}
.player__btn:hover { background: var(--color-primary-hover); }
.player__btn--loading { background: #334155; color: #94a3b8; cursor: wait; }

.player__volume {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: #94a3b8;
}

.player__slider {
  width: 60px; height: 3px;
  -webkit-appearance: none;
  appearance: none;
  background: #334155;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.player__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.player__viz {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}
.player__viz span {
  display: block;
  width: 2px;
  background: var(--color-accent);
  border-radius: 1px;
  animation: viz 0.8s infinite ease-in-out;
}
.player__viz span:nth-child(1) { height: 4px; animation-delay: 0s; }
.player__viz span:nth-child(2) { height: 8px; animation-delay: 0.15s; }
.player__viz span:nth-child(3) { height: 6px; animation-delay: 0.3s; }
.player__viz span:nth-child(4) { height: 10px; animation-delay: 0.45s; }

@keyframes viz {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

.spinner {
  width: 16px; height: 16px;
  border: 2px solid #334155;
  border-top-color: #94a3b8;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  .header__inner { padding: 0 1rem; }
  .header__nav { gap: 0.1rem; }
  .nav-link { font-size: 0.75rem; padding: 0.35rem 0.5rem; }
  .hero h1 { font-size: 1.05rem; }
  .article__title { font-size: 1.05rem; }
  .container { padding: 0.5rem 0.75rem; }
  .player__volume { display: none; }
  .player__viz { display: none; }
}