/* calculator.css — shared styles for all calculator pages */

/* ── Calculator tokens ──────────────────── */
:root {
  --calc-primary: #FB5C00;
  --calc-primary-light: rgba(251,92,0,0.12);
  --calc-accent: #D94E00;
  --calc-surface: #FFFFFF;
  --calc-surface-2: #F7F6F3;
  --calc-border: #E5E4DF;
  --calc-text: #1A1A1A;
  --calc-text-muted: #6B6B6B;
  --calc-radius: 10px;
}

/* ── Card ───────────────────────────────── */
.calc-card {
  background: var(--calc-surface);
  border: 1px solid var(--calc-border);
  border-radius: var(--calc-radius);
  padding: 2rem;
  margin-bottom: 1.25rem;
}
.calc-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.calc-card-header h2 {
  font-size: 1.25rem;
  color: var(--calc-text);
  margin: 0;
  font-family: var(--font-head);
}
.calc-card-header p {
  font-size: 0.82rem;
  color: var(--calc-text-muted);
  margin-top: 0.25rem;
  font-family: var(--font-body);
}

/* ── Input ───────────────────────────────── */
.input-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.input-group { display: flex; flex-direction: column; gap: 0.3rem; }
.input-group label {
  font-size: 0.68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--calc-text-muted);
  display: flex; align-items: center; gap: 0.35rem;
}
.input-group label i { font-size: 13px; }
.input-group input {
  padding: 0.75rem 1rem; font-size: 0.88rem; font-weight: 500;
  font-family: var(--font-body); border: 1px solid var(--calc-border);
  border-radius: 8px; background: var(--calc-surface-2); color: var(--calc-text);
  transition: border-color 0.15s, box-shadow 0.15s; outline: none;
}
.input-group input:focus {
  border-color: var(--calc-primary);
  box-shadow: 0 0 0 3px rgba(251,92,0,0.1);
}
.input-group input::placeholder { color: #b5b3ad; font-weight: 400; }

/* ── Buttons ─────────────────────────────── */
.btn-calc {
  width: 100%; padding: 0.85rem; margin-top: 1.25rem; border: none;
  border-radius: 8px; background: var(--calc-primary); color: #fff;
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  font-family: var(--font-body); transition: all 0.2s;
}
.btn-calc:hover { background: var(--calc-accent); transform: translateY(-1px); }

/* ── Chart wrapping ──────────────────────── */
.chart-wrap { position: relative; height: 320px; margin-bottom: 0.5rem; }
.chart-wrap canvas { width: 100% !important; }

/* ── Result grid ─────────────────────────── */
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.result-card {
  background: var(--calc-surface-2);
  border: 1px solid var(--calc-border);
  border-radius: 8px; padding: 1.1rem 1.25rem;
}
.result-card.highlight {
  grid-column: 1 / -1;
  background: var(--calc-primary-light);
  border-color: rgba(251,92,0,0.2);
}
.result-card .result-label {
  font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--calc-text-muted);
  display: flex; align-items: center; gap: 0.35rem; margin-bottom: 0.35rem;
}
.result-card .result-label i { font-size: 12px; }
.result-card .result-value { font-size: 1.2rem; font-weight: 700; color: var(--calc-primary); }
.result-card.highlight .result-value { font-size: 1.65rem; }

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .input-grid-3 { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .result-card.highlight { grid-column: auto; }
  .chart-wrap { height: 250px; }
  .calc-card { padding: 1.25rem; }
}