:root {
  --bg: #0a0a0b;
  --panel: #111114;
  --panel-2: #15151a;
  --border: #1f1f24;
  --border-2: #2a2a31;
  --text: #ececf1;
  --muted: #8a8a94;
  --dim: #5a5a63;
  --accent: #34d399;
  --accent-2: #10b981;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --danger: #f87171;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.bg-glow {
  position: fixed;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 1200px; height: 700px;
  background: radial-gradient(ellipse at center, rgba(52,211,153,0.10) 0%, rgba(52,211,153,0) 60%);
  pointer-events: none;
  z-index: 0;
}

.topbar {
  position: relative; z-index: 2;
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 32px;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.brand-name { font-weight: 700; letter-spacing: -0.01em; }
.topbar-meta { color: var(--muted); font-size: 13px; }

.layout {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  padding: 32px;
  max-width: 1500px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}

.panel-title {
  margin: 0 0 4px; font-size: 16px; font-weight: 700; letter-spacing: -0.01em;
}
.panel-sub { margin: 0 0 20px; color: var(--muted); font-size: 13px; }

.group { padding: 16px 0; border-top: 1px solid var(--border); }
.group:first-of-type { border-top: 0; padding-top: 0; }
.group h3 {
  margin: 0 0 12px;
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.group.highlight {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 16px;
  margin-top: 8px;
  border: 1px solid rgba(52,211,153,0.18);
}
.group.highlight h3 { color: var(--accent); }
.badge {
  font-size: 10px; padding: 2px 8px; border-radius: 999px;
  background: rgba(52,211,153,0.18); color: var(--accent);
  letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600;
}
.badge.alt { background: rgba(255,255,255,0.06); color: var(--muted); }
.group.fee { background: #131318; border-radius: 10px; padding: 16px; margin-top: 8px; border: 1px solid var(--border-2); }
.group.fee h3 { color: var(--text); }
.group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.group-head h3 { margin: 0; }

.grid2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.field label {
  display: block;
  font-size: 11px; color: var(--muted);
  margin-bottom: 4px; font-weight: 500;
}
.field input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  font: 500 14px 'JetBrains Mono', monospace;
  transition: border-color .15s, background .15s;
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
  background: #181820;
}
.field input::-webkit-outer-spin-button,
.field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.hint { font-size: 12px; color: var(--muted); margin: 10px 0 0; }
.check { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 13px; color: var(--text); cursor: pointer; }
.check input { accent-color: var(--accent); }

/* iOS-style switch */
.switch { position: relative; width: 36px; height: 20px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border-2); border-radius: 999px;
  transition: .2s;
}
.slider::before {
  content: ""; position: absolute;
  height: 14px; width: 14px; left: 3px; top: 3px;
  background: #fff; border-radius: 50%; transition: .2s;
}
.switch input:checked + .slider { background: var(--accent-2); }
.switch input:checked + .slider::before { transform: translateX(16px); }

/* ===== Outputs ===== */

.tabs {
  display: inline-flex; gap: 4px;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-radius: 10px; padding: 4px;
  margin-bottom: 24px;
}
.tab {
  background: none; border: 0;
  color: var(--muted);
  padding: 8px 16px; border-radius: 7px;
  font: 600 13px 'Inter';
  cursor: pointer; transition: .15s;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--accent-soft); color: var(--accent); }

.kpis {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 20px;
}
.kpi {
  background: linear-gradient(180deg, #16161c 0%, #111116 100%);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: "";
  position: absolute; top: -50px; right: -50px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(52,211,153,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.kpi-label {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  margin-bottom: 10px;
}
.kpi-value {
  font: 800 38px 'Inter';
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #34d399 110%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.kpi-value.neg {
  background: linear-gradient(135deg, #ffffff 0%, #f87171 110%);
  -webkit-background-clip: text;
  background-clip: text;
}
.kpi-sub { color: var(--accent); font-size: 13px; font-weight: 500; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi-sub.neg { color: var(--danger); }

.compare {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 24px;
}
.compare-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.compare-card .lbl { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; margin-bottom: 6px; }
.compare-card .val { font: 700 18px 'JetBrains Mono'; color: var(--text); }
.compare-card .sub { font-size: 12px; color: var(--accent); margin-top: 2px; font-variant-numeric: tabular-nums; }
.compare-card .sub.neg { color: var(--danger); }

.charts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-bottom: 24px;
}
.chart-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  height: 260px;
  display: flex; flex-direction: column;
}
.chart-title { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 10px; }
.chart-card canvas { flex: 1; min-height: 0; }

.table-wrap {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 24px;
}
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 11px 16px; text-align: right; font-size: 13px; }
th:first-child, td:first-child { text-align: left; }
thead th {
  font-size: 11px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  border-bottom: 1px solid var(--border);
  background: #131318;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: 0; }
tbody td { font-family: 'JetBrains Mono', monospace; font-weight: 500; }
tbody td.pos { color: var(--accent); }
tbody td.neg { color: var(--danger); }
tbody td.month { font-family: 'Inter'; font-weight: 600; color: var(--muted); }

.why {
  background: linear-gradient(135deg, rgba(52,211,153,0.08) 0%, rgba(52,211,153,0.02) 100%);
  border: 1px solid rgba(52,211,153,0.2);
  border-radius: 12px;
  padding: 20px 22px;
}
.why-title { font-size: 13px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.why p { margin: 0; color: #d4d4dc; font-size: 14px; line-height: 1.65; }
.why strong { color: #fff; }

.foot {
  text-align: center; padding: 24px;
  color: var(--dim); font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 24px;
}

@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .charts { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .kpis, .compare { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .layout { padding: 16px; }
  .kpi-value { font-size: 30px; }
}