/* ─── CALCULATOR PAGE LAYOUT ─────────────────────────────────── */
.calc-page { max-width: 1100px; margin: 0 auto; padding: 40px 24px 80px; }
.calc-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 860px) {
  .calc-grid { grid-template-columns: 1fr; }
}

/* ─── BREADCRUMB ─────────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-muted);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--text-muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border-strong); }

/* ─── CALC WIDGET ────────────────────────────────────────────── */
.calc-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: sticky;
  top: 76px;
}
.calc-widget-header {
  padding: 20px 22px 16px;
  border-bottom: 1px solid var(--border);
}
.calc-widget-title { font-size: 16px; font-weight: 600; margin-bottom: 2px; }
.calc-widget-desc  { font-size: 12px; color: var(--text-muted); }
.calc-widget-body  { padding: 22px; }
.calc-widget-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  background: var(--bg-sub);
  display: flex; align-items: center; justify-content: space-between;
}

/* ─── RESULT BOX ─────────────────────────────────────────────── */
.result-box {
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 20px;
  display: none;
}
.result-box.visible { display: block; }
.result-label { font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.6px; font-weight: 600; margin-bottom: 6px; }
.result-value { font-size: 32px; font-weight: 700; color: var(--accent); font-family: 'DM Mono', monospace; letter-spacing: -1px; }
.result-unit  { font-size: 14px; font-weight: 400; color: var(--text-sub); margin-left: 4px; }
.result-breakdown { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.result-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px;
}
.result-row-label { color: var(--text-sub); }
.result-row-value { font-weight: 600; font-family: 'DM Mono', monospace; }

/* ─── AMORTIZATION TABLE ─────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead tr { background: var(--bg-sub); }
th {
  padding: 10px 14px; text-align: left;
  font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-sub);
  font-family: 'DM Mono', monospace;
  font-size: 12px;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-sub); }
td.bold { font-weight: 600; color: var(--text); }

/* ─── CONTENT AREA ───────────────────────────────────────────── */
.calc-content { font-size: 15px; line-height: 1.75; color: var(--text-sub); }
.calc-content h1 { font-size: 26px; font-weight: 700; color: var(--text); letter-spacing: -0.5px; margin-bottom: 12px; }
.calc-content h2 { font-size: 18px; font-weight: 600; color: var(--text); margin: 32px 0 12px; }
.calc-content h3 { font-size: 15px; font-weight: 600; color: var(--text); margin: 24px 0 8px; }
.calc-content p  { margin-bottom: 14px; }
.calc-content ul, .calc-content ol { padding-left: 20px; margin-bottom: 14px; }
.calc-content li { margin-bottom: 6px; }
.calc-content strong { color: var(--text); font-weight: 600; }
.calc-content .formula-box {
  background: var(--bg-sub);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 18px 0;
  font-family: 'DM Mono', monospace;
  font-size: 13px;
  color: var(--text);
}

/* ─── SAVE BUTTON (for logged-in users) ──────────────────────── */
.save-result-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 12px; color: var(--text-sub);
  transition: all 0.15s;
}
.save-result-btn:hover { border-color: var(--accent); color: var(--accent); }
.save-result-btn.saved { border-color: var(--accent); color: var(--accent); background: var(--accent-bg); }