:root {
  --bg: #0b1220;
  --bg-elevated: #111b2e;
  --panel: #152238;
  --border: rgba(148, 163, 184, 0.18);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  font-family: "DM Sans", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(45, 212, 191, 0.12), transparent),
    radial-gradient(900px 500px at 100% 0%, rgba(56, 189, 248, 0.1), transparent), var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent-2);
}

.app-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 3rem;
}

.top-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand img {
  height: 40px;
  width: auto;
}

.brand-copy h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-copy p {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(45, 212, 191, 0.12);
  color: var(--accent);
  border: 1px solid rgba(45, 212, 191, 0.35);
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: linear-gradient(160deg, rgba(21, 34, 56, 0.95), rgba(11, 18, 32, 0.98));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
}

.panel h2 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel .sub {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

select {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
}

select:focus {
  border-color: rgba(45, 212, 191, 0.55);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.15);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

button.secondary {
  cursor: pointer;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
}

button.secondary:hover {
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.35);
}

.results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.kv {
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.kv span {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.kv strong {
  font-size: 0.95rem;
  font-weight: 600;
}

.banner {
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  border: 1px solid rgba(251, 191, 36, 0.35);
  background: rgba(251, 191, 36, 0.08);
  color: #fde68a;
}

.banner.bad {
  border-color: rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.08);
  color: #fecaca;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  font-weight: 700;
}

.price-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: linear-gradient(120deg, rgba(45, 212, 191, 0.12), rgba(56, 189, 248, 0.08));
  border: 1px solid rgba(45, 212, 191, 0.25);
}

.price-hero .mrp {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.price-hero .meta {
  font-size: 0.82rem;
  color: var(--muted);
}

table.breakdown {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.breakdown th,
table.breakdown td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  text-align: left;
}

table.breakdown th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

table.breakdown td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

table.breakdown tr.total td {
  font-weight: 700;
  border-bottom: none;
  padding-top: 0.75rem;
}

.muted {
  color: var(--muted);
  font-size: 0.82rem;
}

details.guide {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.5rem 0.85rem;
  background: rgba(15, 23, 42, 0.35);
}

details.guide summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
}

details.guide .guide-body {
  margin-top: 0.65rem;
  max-height: 220px;
  overflow: auto;
  font-size: 0.82rem;
  color: var(--muted);
}

.guide-row {
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.15);
}

.guide-row:last-child {
  border-bottom: none;
}

footer.disclaimer {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.5;
}