:root {
  --bg: #050816;
  --bg-soft: #0b1020;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.15);
  --danger: #ef4444;
  --text: #f9fafb;
  --muted: #9ca3af;
  --card: #111827;
  --border: #1f2937;
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.55);
}

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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
  color: var(--text);
}

/* Layout */
.app {
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: linear-gradient(135deg, #020617, #020617dd);
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 8px;
  z-index: 50;
  backdrop-filter: blur(18px);
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.navbar nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.9rem;
  position: relative;
}

.navbar nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.navbar nav a:hover {
  color: var(--text);
}

.navbar nav a:hover::after {
  width: 18px;
}

/* Indian indices (right after navbar) */
.indices {
  margin-top: 22px;
}

.indices h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: #e5e7eb;
}

.indices-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.index-card {
  background: linear-gradient(145deg, #020617, #020617);
  border-radius: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.95);
}

.index-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.index-name {
  font-weight: 600;
  color: var(--text);
}

.index-body {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 6px;
}

.index-price {
  font-size: 1.1rem;
  font-weight: 600;
}

.index-change {
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.index-change.down {
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
}

/* Top gainers/losers section */
.gainers-losers {
  margin-top: 24px;
}

.gainers-losers h2 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.gainers-losers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

/* Cards, table, watchlist, search */
.main-grid {
  display: grid;
  grid-template-columns: 2fr 1.3fr;
  gap: 18px;
  margin-top: 22px;
}

.card {
  background: var(--bg-soft);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow-soft);
}

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

.card-header h2 {
  margin: 0;
  font-size: 1rem;
}

.badge {
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  background: var(--accent-soft);
  color: var(--accent);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.table thead {
  background: rgba(15, 23, 42, 0.9);
}

.table th,
.table td {
  padding: 8px 4px;
  text-align: right;
}

.table th:first-child,
.table td:first-child {
  text-align: left;
}

.table tbody tr:nth-child(odd) {
  background: rgba(15, 23, 42, 0.6);
}

.table tbody tr:nth-child(even) {
  background: rgba(15, 23, 42, 0.2);
}

/* Search */
.search-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

#search-input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text);
  outline: none;
}

#search-input::placeholder {
  color: #6b7280;
}

#search-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #ecfdf5;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.35);
}

#search-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 26px rgba(34, 197, 94, 0.45);
}

/* Search result */
.search-result {
  min-height: 40px;
  font-size: 0.9rem;
  color: var(--muted);
}

.search-result .symbol {
  font-weight: 600;
  color: var(--text);
}

.search-result .price {
  font-weight: 600;
}

/* Footer */
.footer {
  margin-top: 22px;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

  .navbar {
    border-radius: 18px;
  }
}

@media (max-width: 600px) {
  .navbar nav {
    display: none;
  }
}