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

:root {
  --bg: #0a0e1a;
  --bg2: #111827;
  --bg3: #1a2235;
  --border: #1e2d45;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --green: #10b981;
  --green-dim: #064e3b;
  --red: #ef4444;
  --red-dim: #450a0a;
  --blue: #3b82f6;
  --blue-dim: #1e3a5f;
  --yellow: #f59e0b;
  --accent: #6366f1;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--green);
  margin-right: 12px;
}

.tagline {
  color: var(--text2);
  font-size: 0.85rem;
}

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

.update-time {
  color: var(--text2);
  font-size: 0.8rem;
}

.btn-refresh {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: opacity 0.2s;
}
.btn-refresh:hover { opacity: 0.85; }
.btn-refresh:disabled { opacity: 0.5; cursor: not-allowed; }

.stats-bar {
  display: flex;
  gap: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}

.stat-item {
  flex: 1;
  min-width: 100px;
  padding: 12px 20px;
  text-align: center;
  border-right: 1px solid var(--border);
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-value {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-value.green { color: var(--green); }
.stat-value.blue { color: var(--blue); }
.stat-value.red { color: var(--red); }

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text2);
  gap: 20px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.tabs {
  display: flex;
  gap: 4px;
  padding: 16px 20px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text2);
  padding: 10px 20px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.tab-content { display: none; padding: 20px; }
.tab-content.active { display: block; }

.section-header { margin-bottom: 16px; }
.section-header h2 { font-size: 1.1rem; font-weight: 700; }
.section-subtitle { font-size: 0.8rem; color: var(--text2); font-weight: 400; margin-left: 8px; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.stock-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.stock-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.card-ticker {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

.card-name {
  font-size: 0.75rem;
  color: var(--text2);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

.score-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  flex-shrink: 0;
}

.score-great { background: var(--green-dim); color: var(--green); border: 2px solid var(--green); }
.score-good { background: #064e3b88; color: #34d399; border: 2px solid #34d399; }
.score-neutral { background: #1e3a5f; color: #60a5fa; border: 2px solid #60a5fa; }
.score-caution { background: #451a03; color: var(--yellow); border: 2px solid var(--yellow); }
.score-bad { background: var(--red-dim); color: var(--red); border: 2px solid var(--red); }

.card-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.card-price {
  font-size: 1.25rem;
  font-weight: 700;
}

.card-change {
  font-size: 0.85rem;
  font-weight: 600;
}

.card-change.up { color: var(--green); }
.card-change.down { color: var(--red); }

.card-signal {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.signal-strong-buy { background: var(--green); color: #000; }
.signal-buy { background: #059669; color: #fff; }
.signal-hold { background: #1e3a5f; color: var(--blue); border: 1px solid var(--blue); }
.signal-caution { background: #451a03; color: var(--yellow); }
.signal-sell { background: var(--red-dim); color: var(--red); border: 1px solid var(--red); }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pill {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
}

.pill.rsi-ok { border-color: var(--green); color: var(--green); }
.pill.rsi-warn { border-color: var(--yellow); color: var(--yellow); }
.pill.rsi-bad { border-color: var(--red); color: var(--red); }
.pill.macd-bull { border-color: var(--green); color: var(--green); }
.pill.macd-bear { border-color: var(--red); color: var(--red); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.modal-subtitle {
  color: var(--text2);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.modal-score-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.metric-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 1rem;
  font-weight: 700;
}

.chart-container {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.summary-box {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.6;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text2);
  font-size: 0.9rem;
}

.green { color: var(--green); }
.red { color: var(--red); }
.blue { color: var(--blue); }
.yellow { color: var(--yellow); }

@media (max-width: 600px) {
  .header { flex-direction: column; gap: 10px; align-items: flex-start; }
  .tabs { flex-wrap: wrap; }
  .cards-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
}

/* Accessible hidden text for SEO */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.seo-description { margin: 0; padding: 0; }


/* ─── Market Switcher ─────────────────────────────────────────────── */
.market-switcher {
  display: flex;
  gap: 8px;
  padding: 12px 16px 0;
  flex-wrap: wrap;
}
.market-btn {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #1e293b;
  color: #94a3b8;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.market-btn:hover {
  border-color: #3b82f6;
  color: #e2e8f0;
}
.market-btn.active {
  background: #1d4ed8;
  border-color: #3b82f6;
  color: #fff;
}

/* Botó mercat xinès */
#mktBtnChina.active {
  background: #7f1d1d;
  border-color: #ef4444;
  color: #fff;
}
#mktBtnChina:hover {
  border-color: #ef4444;
  color: #e2e8f0;
}

/* Botó mercat alemany DAX */
#mktBtnDax.active {
  background: #14532d;
  border-color: #22c55e;
  color: #fff;
}
#mktBtnDax:hover {
  border-color: #22c55e;
  color: #e2e8f0;
}