:root {
  --bg: #0c1110;
  --bg2: #121a18;
  --panel: #16201d;
  --panel2: #1c2925;
  --line: rgba(214, 242, 196, 0.12);
  --text: #eef6e8;
  --muted: #8fa396;
  --accent: #c8f56a;
  --accent2: #6ee7c5;
  --warn: #ffb454;
  --danger: #ff7b72;
  --good: #7dffa8;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Space Grotesk", "Noto Sans SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  background:
    radial-gradient(ellipse 70% 45% at 0% -10%, rgba(200, 245, 106, 0.12), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(110, 231, 197, 0.08), transparent 50%),
    linear-gradient(180deg, #0c1110 0%, #0a0f0e 100%);
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 4rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.brand {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand em {
  font-style: normal;
  color: var(--accent);
}
.meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-align: right;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .meta { text-align: left; }
}

.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.15rem 1.2rem;
}

.hero h1 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
  line-height: 1.55;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
.stat {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 0.9rem;
}
.stat .k {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.stat .v {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}
.stat .s {
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}
button, .btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}
button.primary, .btn.primary {
  background: var(--accent);
  color: #10150f;
  border-color: transparent;
}
button:hover, .btn:hover { filter: brightness(1.05); }
button:disabled { opacity: 0.55; cursor: wait; }

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}
@media (max-width: 820px) {
  .grid2 { grid-template-columns: 1fr; }
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
h3 {
  margin: 0 0 0.55rem;
  font-size: 0.95rem;
}

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}
th, td {
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}
th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.72rem;
}
td.num, th.num {
  text-align: right;
  font-family: var(--mono);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(200,245,106,0.12);
  color: var(--accent);
}
.tag.warn { background: rgba(255,180,84,0.12); color: var(--warn); }
.tag.danger { background: rgba(255,123,114,0.12); color: var(--danger); }
.tag.good { background: rgba(125,255,168,0.12); color: var(--good); }

.calc-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0.75rem 0 1rem;
}
label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #0f1614;
  color: var(--text);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  font: inherit;
  font-family: var(--mono);
  font-size: 0.86rem;
}
.note {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}
.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}
@media (max-width: 640px) {
  .calc-fields, .kpi-row, .stats { grid-template-columns: 1fr; }
}
.kpi {
  background: #101815;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem;
}
.kpi .k { font-size: 0.7rem; color: var(--muted); }
.kpi .v {
  margin-top: 0.25rem;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
}
.pos { color: var(--good); }
.neg { color: var(--danger); }

.matrix td, .matrix th { font-size: 0.78rem; }
.footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.6;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.section-title h2 { margin: 0; }
.pill {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}