/* === Shared Styles for Stock Analysis Platform === */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft JhengHei', sans-serif;
  background: #0f0f1a;
  color: #e0e0e0;
  min-height: 100vh;
}

/* --- Navigation Bar --- */
.nav-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: #1a1a2e;
  border-bottom: 1px solid #2a2a4a;
  position: sticky;
  top: 0;
  z-index: 1000;
  flex-wrap: wrap;
}
.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: #6c9bff;
  margin-right: 16px;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-links a {
  color: #aaa;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}
.nav-links a:hover { background: #2a2a4a; color: #fff; }
.nav-links a.active { background: #4361ee; color: #fff; }
.nav-search {
  margin-left: auto;
  display: flex;
  gap: 6px;
}
.nav-search input {
  padding: 6px 12px;
  font-size: 14px;
  border: 1px solid #444;
  border-radius: 4px;
  background: #2a2a3e;
  color: #fff;
  width: 140px;
}
.nav-search input:focus { outline: none; border-color: #6c9bff; }
.nav-search button {
  padding: 6px 14px;
  font-size: 14px;
  background: #4361ee;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.nav-search button:hover { background: #3a56d4; }

/* --- Page Container --- */
.page-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* --- Card Panel --- */
.card {
  background: #16213e;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  margin-bottom: 16px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #fff;
}

/* --- Tab Bar --- */
.tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid #2a2a4a;
  padding-bottom: 8px;
  flex-wrap: wrap;
}
.tab-bar button {
  padding: 6px 16px;
  font-size: 13px;
  background: transparent;
  color: #aaa;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-bar button:hover { color: #fff; background: #2a2a4a; }
.tab-bar button.active { color: #fff; background: #4361ee; border-color: #4361ee; }

/* --- Loading / Error States --- */
.loading {
  display: none;
  text-align: center;
  padding: 60px 20px;
  font-size: 16px;
  color: #888;
}
.loading.show { display: block; }
.error-msg {
  display: none;
  text-align: center;
  padding: 14px;
  color: #ef5350;
  background: rgba(244,67,54,0.08);
  border: 1px solid rgba(244,67,54,0.3);
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 14px;
}
.error-msg.show { display: block; }

/* --- Info Badge --- */
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 8px;
}
.badge-green { background: #1b5e20; color: #a5d6a7; }
.badge-blue { background: #1a237e; color: #90caf9; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-bar { padding: 8px 12px; }
  .nav-search { margin-left: 0; width: 100%; margin-top: 6px; }
  .nav-search input { flex: 1; }
  .page-container { padding: 12px; }
}