.calculator-shell {
  --calc-bg: #f6f4ef;
  --calc-surface: rgba(255,255,255,.78);
  --calc-soft: #fbfaf7;
  --calc-ink: #101214;
  --calc-muted: #6d7379;
  --calc-line: #e5e0d6;
  --calc-gold: #b88a44;
  --calc-green: #13795b;
  --calc-red: #b23b3b;
  --calc-navy: #0b1f33;
  --calc-blue: #378add;
  color: var(--calc-ink);
}

.calculator-shell * { box-sizing: border-box; }

.calc-top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-bottom: 24px;
}

.calc-input-group { display: grid; gap: 6px; }

.calc-input-group label,
.calc-mini-label {
  font-size: 11px;
  color: var(--calc-muted);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
}

.calc-input-wrap {
  height: 42px;
  display: flex;
  align-items: center;
  border: 1px solid var(--calc-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--calc-surface);
}

.calc-input-wrap span {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 0 13px;
  color: var(--calc-muted);
  background: var(--calc-soft);
  border-right: 1px solid var(--calc-line);
  font-weight: 800;
  font-size: 13px;
}

.calc-input-wrap input,
.calc-select,
.calc-input {
  border: 1px solid var(--calc-line);
  background: var(--calc-surface);
  color: var(--calc-ink);
  border-radius: 14px;
  height: 42px;
  padding: 0 13px;
  font: inherit;
  font-weight: 700;
  outline: none;
}

.calc-input-wrap input {
  border: none;
  border-radius: 0;
  width: 160px;
}

.calc-control {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--calc-surface);
  border: 1px solid var(--calc-line);
  border-radius: 14px;
  padding: 0 14px;
}

.calc-control input[type=range] { width: 92px; accent-color: var(--calc-gold); }
.calc-control strong { min-width: 46px; font-size: 13px; }

.calc-status {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--calc-surface);
  border: 1px solid var(--calc-line);
  border-radius: 14px;
  padding: 8px 14px;
}

.calc-status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--calc-green);
  box-shadow: 0 0 0 6px rgba(19,121,91,.12);
}

.calc-status.error .calc-status-dot { background: var(--calc-red); box-shadow: 0 0 0 6px rgba(178,59,59,.12); }
.calc-status.warn .calc-status-dot { background: var(--calc-gold); box-shadow: 0 0 0 6px rgba(184,138,68,.12); }

.calc-status-title { font-size: 13px; font-weight: 800; }
.calc-status-sub { font-size: 11px; color: var(--calc-muted); }

.calc-toggle { display:flex; align-items:center; gap:8px; }
.calc-toggle input { width: 18px; height: 18px; accent-color: var(--calc-gold); }

.calc-stats {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  gap: 12px;
  margin: 22px 0 28px;
}

.calc-stat,
.calc-card,
.calc-panel {
  background: var(--calc-surface);
  border: 1px solid var(--calc-line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(16,18,20,.045);
}

.calc-stat { padding: 18px; }
.calc-stat .lbl {
  font-size: 10px;
  color: var(--calc-muted);
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.calc-stat .val {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -.05em;
}
.calc-stat .sub { color: var(--calc-muted); font-size: 11px; margin-top: 3px; }

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.calc-card { padding: 24px; min-height: 330px; }
.calc-card.wide { grid-column: 1 / -1; }
.calc-card h3 {
  margin: 0 0 4px;
  font-size: 20px;
  letter-spacing: -.04em;
}
.calc-card p {
  margin: 0 0 18px;
  color: var(--calc-muted);
  font-size: 13px;
}

.calc-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.calc-gauge {
  min-height: 150px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: var(--calc-soft);
  border: 1px solid var(--calc-line);
  text-align: center;
}
.calc-gauge strong {
  font-size: 38px;
  letter-spacing: -.06em;
}
.calc-gauge span { color: var(--calc-muted); font-weight: 800; font-size: 12px; }

.calc-grade {
  display: block;
  width: fit-content;
  margin: 16px auto 0;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  background: rgba(55,138,221,.12);
  color: var(--calc-blue);
}

.calc-bars {
  display: grid;
  gap: 12px;
}

.calc-bar-row {
  display: grid;
  grid-template-columns: 64px 1fr 62px;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}
.calc-symbol {
  display: inline-flex;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 8px;
  background: rgba(11,31,51,.08);
  color: var(--calc-navy);
  font-weight: 900;
}
.calc-bar-track {
  height: 9px;
  border-radius: 999px;
  background: #ece7dc;
  overflow: hidden;
}
.calc-bar-fill { height: 100%; border-radius: 999px; background: var(--calc-gold); }
.calc-bar-value { text-align: right; font-weight: 800; color: var(--calc-muted); }

.calc-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--calc-line);
  border-radius: 22px;
  background: var(--calc-surface);
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.calc-table th {
  text-align: left;
  padding: 12px 14px;
  color: var(--calc-muted);
  background: var(--calc-soft);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.calc-table td {
  padding: 12px 14px;
  border-top: 1px solid #f0ece4;
  vertical-align: middle;
}
.calc-table .r { text-align: right; }
.calc-positive { color: var(--calc-green); }
.calc-negative { color: var(--calc-red); }
.calc-muted { color: var(--calc-muted); }

.calc-button {
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--calc-line);
  background: var(--calc-surface);
  color: var(--calc-ink);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.calc-button.primary {
  background: var(--calc-ink);
  color: white;
  border-color: var(--calc-ink);
}

.calc-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0;
}

.calc-note {
  margin: 14px 0;
  padding: 13px 16px;
  border: 1px solid rgba(184,138,68,.28);
  border-radius: 16px;
  background: rgba(184,138,68,.08);
  color: #8a632b;
  font-size: 13px;
  line-height: 1.55;
}

.calc-form-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin: 12px 0;
}

.calc-form-row .calc-input { width: 150px; }

@media (max-width: 1100px) {
  .calc-stats { grid-template-columns: repeat(2, 1fr); }
  .calc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .calc-stats, .calc-dual { grid-template-columns: 1fr; }
  .calc-input-wrap input { width: 120px; }
  .calc-bar-row { grid-template-columns: 54px 1fr 52px; }
}