/* BD Invest Tracker — Magic UI Inspired Design */
:root {
  --bg: #09090b;
  --bg-card: rgba(24, 24, 27, 0.8);
  --bg-card-hover: rgba(39, 39, 42, 0.9);
  --surface: #18181b;
  --surface-2: #27272a;
  --text: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border: rgba(63, 63, 70, 0.5);
  --border-bright: rgba(82, 82, 91, 0.6);
  --primary: #22c55e;
  --primary-dim: #16a34a;
  --primary-glow: rgba(34, 197, 94, 0.15);
  --red: #ef4444;
  --red-glow: rgba(239, 68, 68, 0.15);
  --blue: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.15);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.15);
  --amber: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --cyan: #06b6d4;
  --gradient-1: linear-gradient(135deg, #22c55e 0%, #06b6d4 100%);
  --gradient-2: linear-gradient(135deg, #3b82f6 0%, #a855f7 100%);
  --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  --radius: 12px;
  --radius-lg: 16px;
  --max-width: 1280px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ── Dot grid background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

body > * { position: relative; z-index: 1; }

/* ── Animated gradient orbs ── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}
.bg-orb-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; }
.bg-orb-2 { width: 350px; height: 350px; background: var(--purple); bottom: -100px; right: -100px; animation-delay: -10s; }
.bg-orb-3 { width: 300px; height: 300px; background: var(--blue); top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: -5s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  margin-bottom: 32px;
  backdrop-filter: blur(12px);
  background: rgba(9, 9, 11, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

header .subtitle {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 2px;
}

.header-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Navigation Pills ── */
.nav-pills {
  display: flex;
  gap: 6px;
  padding: 10px 0 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-pills::-webkit-scrollbar { display: none; }
.nav-pills a {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
  background: rgba(39, 39, 42, 0.4);
  border: 1px solid transparent;
  transition: var(--transition);
}
.nav-pills a:hover {
  color: var(--text);
  background: rgba(39, 39, 42, 0.8);
  border-color: var(--border-bright);
}

@media (max-width: 640px) {
  .nav-pills { padding-bottom: 4px; }
  .nav-pills a { font-size: 0.68rem; padding: 3px 8px; }
}

/* ── Sections ── */
.section { margin-bottom: 40px; }
.section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ── Card Grid ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.card-grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ── Cards (Glassmorphism) ── */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-bright);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* Card accent variants */
.card-primary { border-left: 3px solid var(--primary); }
.card-green   { border-left: 3px solid var(--primary); }
.card-blue    { border-left: 3px solid var(--blue); }
.card-purple  { border-left: 3px solid var(--purple); }
.card-red     { border-left: 3px solid var(--red); }
.card-amber   { border-left: 3px solid var(--amber); }
.card-gray    { border-left: 3px solid var(--text-muted); }

.card-green-light { background: rgba(34, 197, 94, 0.06); border-left: 3px solid var(--primary); }
.card-red-light   { background: rgba(239, 68, 68, 0.06); border-left: 3px solid var(--red); }
.card-highlight {
  border-left: 3px solid var(--primary);
  background: var(--primary-glow);
}

/* Card inner elements */
.card-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 500;
}
.card-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin: 6px 0 2px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.card-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

/* ── Tables ── */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: rgba(39, 39, 42, 0.5);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

tr:hover td { background: rgba(39, 39, 42, 0.3); }

.loading {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
  font-size: 0.85rem;
}

.inner-table { width: 100%; }
.inner-table td {
  padding: 6px 10px;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(63, 63, 70, 0.3);
}
.inner-table td:last-child { text-align: right; font-weight: 600; }

/* ── Rate Colors ── */
.rate-high { color: var(--primary); font-weight: 700; }
.rate-good { color: var(--cyan); font-weight: 600; }
.rate-cell { text-align: center; white-space: nowrap; }
.change-pos { color: var(--primary); font-weight: 500; }
.change-neg { color: var(--red); font-weight: 500; }
.highlight-row td { background: var(--primary-glow); }
.highlight-row:hover td { background: rgba(34, 197, 94, 0.12) !important; }

/* ── Badge / Pill ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.badge-green { background: var(--primary-glow); color: var(--primary); border: 1px solid rgba(34, 197, 94, 0.2); }
.badge-red   { background: var(--red-glow); color: var(--red); border: 1px solid rgba(239, 68, 68, 0.2); }
.badge-blue  { background: var(--blue-glow); color: var(--blue); border: 1px solid rgba(59, 130, 246, 0.2); }
.badge-amber { background: var(--amber-glow); color: var(--amber); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-purple { background: var(--purple-glow); color: var(--purple); border: 1px solid rgba(168, 85, 247, 0.2); }

/* ── Details block ── */
.details-block {
  margin-top: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  backdrop-filter: blur(12px);
}
.details-block summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  padding: 4px 0;
  font-size: 0.85rem;
  user-select: none;
}
.details-block[open] summary { margin-bottom: 14px; }

/* ── Scheme detail cards ── */
.scheme-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 12px;
  background: var(--surface);
}
.scheme-card h4 { font-size: 0.9rem; margin-bottom: 8px; font-weight: 600; }
.scheme-card.nrb {
  border-left: 3px solid var(--primary);
  background: var(--primary-glow);
}
.tier-table { width: 100%; font-size: 0.78rem; }
.tier-table td { padding: 4px 10px; border-bottom: 1px solid rgba(63, 63, 70, 0.3); }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 60px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}
footer a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
footer a:hover { text-decoration: underline; opacity: 0.8; }
footer p { margin-bottom: 6px; }

/* ── Shimmer loading animation ── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, var(--surface) 25%, var(--surface-2) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  border-radius: 4px;
  height: 20px;
  display: inline-block;
  min-width: 60px;
}

/* ── Gradient text utility ── */
.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Glow effect on hover for special cards ── */
.card-glow:hover {
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.1), var(--shadow-lg);
}

/* ── Number counter animation ── */
@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-value, .data-value {
  animation: countUp 0.4s ease-out;
}

/* ── Mobile Responsive ── */
@media (max-width: 768px) {
  .header-content { flex-direction: column; text-align: center; }
  .header-meta { text-align: center; }
  header h1 { font-size: 1.15rem; }
  .card-value { font-size: 1.4rem; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .section { margin-bottom: 28px; }
  th, td { padding: 8px 8px; font-size: 0.72rem; }
  .bg-orb { display: none; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-3 { grid-template-columns: 1fr 1fr; }
  .container { padding: 0 12px; }
}

/* ── Print styles ── */
@media print {
  body { background: white; color: black; }
  body::before, .bg-orb { display: none; }
  .card { border: 1px solid #ddd; background: white; }
  header { position: static; background: white; border-bottom: 2px solid #000; }
  footer { border-top: 2px solid #000; }
}