/* ═══════════════════════════════════════════════════════════════
   Finance.MUSAMU — calculator.css
   Calculator pages: layout, inputs, results, charts, FAQ, related
   ═══════════════════════════════════════════════════════════════ */

/* ── Page Header ───────────────────────────────────────────────── */
.calc-page-header {
  background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-6) var(--space-5) var(--space-7);
}
.calc-page-header .container { max-width: 1200px; margin: 0 auto; }

.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-family: var(--font-mono);
  color: var(--text-muted); margin-bottom: var(--space-4);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--green-mid); }
.bc-sep { color: var(--border-strong); }

.calc-badge {
  display: inline-block;
  padding: 3px 12px; border-radius: 99px;
  font-size: 11px; font-family: var(--font-mono); text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--green-mid);
  background: rgba(13,143,80,0.1); border: 1px solid rgba(13,143,80,0.25);
  margin-bottom: var(--space-3);
}
.calc-page-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(28px, 4vw, 44px); color: var(--text-primary);
  margin-bottom: var(--space-3); line-height: 1.15;
}
.calc-page-desc {
  font-size: 15px; color: var(--text-secondary);
  max-width: 640px; line-height: 1.7;
}

/* ── Main Calculator Body ──────────────────────────────────────── */
.calc-body { padding: var(--space-7) var(--space-5); max-width: 1200px; margin: 0 auto; }

.calc-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-5); align-items: start;
  margin-bottom: var(--space-5);
}

/* ── Calc Cards ────────────────────────────────────────────────── */
.calc-card {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-5);
  position: relative; overflow: hidden;
}
.calc-card + .calc-card { /* full-width sections */ }

.section-title {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
  color: var(--green-mid); text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: var(--space-5);
}

/* ── Slider Group ──────────────────────────────────────────────── */
.slider-group { margin-bottom: var(--space-6); }

.slider-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-2);
}
.slider-label {
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
}
.slider-value-badge {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600;
  color: var(--green-mid); background: rgba(13,143,80,0.1);
  border: 1px solid rgba(13,143,80,0.2);
  padding: 3px 10px; border-radius: var(--radius-sm);
}

.slider-input-row {
  position: relative; margin-bottom: var(--space-2);
}
.input-prefix {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 14px;
  color: var(--text-muted); pointer-events: none; z-index: 1;
}
.input-suffix {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 13px;
  color: var(--text-muted); pointer-events: none;
}

.num-input {
  width: 100%; background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  color: var(--text-primary); font-family: var(--font-mono); font-size: 14px;
  padding: 11px 14px 11px 30px;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield;
}
.num-input::-webkit-inner-spin-button,
.num-input::-webkit-outer-spin-button { -webkit-appearance: none; }
.num-input:focus {
  outline: none; border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(13,143,80,0.15);
}
.num-input.no-prefix { padding-left: 14px; }

.range-slider {
  width: 100%; height: 5px; border-radius: 3px; outline: none;
  -webkit-appearance: none; appearance: none;
  background: var(--border-subtle); cursor: pointer;
  margin-top: var(--space-2);
  transition: background var(--transition);
}
.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px;
  border-radius: 50%; background: var(--green-mid);
  border: 2px solid var(--bg-base); cursor: pointer;
  box-shadow: 0 0 0 2px rgba(13,143,80,0.2);
  transition: box-shadow var(--transition);
}
.range-slider::-webkit-slider-thumb:hover { box-shadow: 0 0 0 5px rgba(13,143,80,0.25); }
.range-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--green-mid); border: 2px solid var(--bg-base); cursor: pointer;
}

.slider-limits {
  display: flex; justify-content: space-between;
  margin-top: 4px;
  font-size: 11px; font-family: var(--font-mono); color: var(--text-muted);
}
.slider-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; line-height: 1.5; }

/* Select input */
.select-input {
  width: 100%; background: var(--bg-surface-2);
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  color: var(--text-primary); font-family: var(--font-mono); font-size: 13px;
  padding: 11px 36px 11px 14px; cursor: pointer;
  -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230d8f50' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  transition: border-color var(--transition);
}
.select-input:focus { outline: none; border-color: var(--green-mid); box-shadow: 0 0 0 3px rgba(13,143,80,0.15); }

/* Checkbox */
.checkbox-group { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.checkbox-group input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--green-mid); cursor: pointer; }
.checkbox-group label { font-size: 13px; color: var(--text-secondary); cursor: pointer; }

/* ── Result Cards ──────────────────────────────────────────────── */
.results-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-3); margin-bottom: var(--space-4);
}
.result-card {
  padding: var(--space-4); border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-2); position: relative;
  display: flex; flex-direction: column;
}
.result-card.result-highlight {
  background: linear-gradient(135deg, rgba(13,143,80,0.15), rgba(13,143,80,0.05));
  border-color: rgba(13,143,80,0.35); grid-column: 1 / -1;
  box-shadow: var(--shadow-green);
}
.result-label {
  font-size: 11px; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.08em; font-family: var(--font-mono);
  margin-bottom: var(--space-2); display: block;
}
.result-value {
  font-family: var(--font-mono); font-size: 22px; font-weight: 600;
  color: var(--text-primary); line-height: 1;
}
.result-highlight .result-value { font-size: 30px; color: var(--gold-base); }
.result-value.positive { color: var(--color-positive); }
.result-value.negative { color: var(--color-negative); }
.result-icon { position: absolute; top: var(--space-3); right: var(--space-3); font-size: 20px; opacity: 0.5; }
.result-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; font-family: var(--font-mono); }

/* ── Chart Section ─────────────────────────────────────────────── */
.chart-section { margin-bottom: var(--space-5); }
.chart-container { position: relative; min-height: 280px; }
.chart-container canvas { max-width: 100%; }

/* ── Action Buttons ────────────────────────────────────────────── */
.calc-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; margin-top: var(--space-4); }
.btn-action {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500;
  background: var(--bg-surface-2); border: 1px solid var(--border-subtle);
  color: var(--text-secondary); transition: all var(--transition);
}
.btn-action:hover { border-color: var(--green-mid); color: var(--green-mid); }
.btn-save { background: var(--bg-surface-2); border-color: var(--gold-dim); color: var(--gold-base); }
.btn-save:hover { border-color: var(--gold-base); background: rgba(244,165,23,0.08); }

/* ── Disclaimer ────────────────────────────────────────────────── */
.disclaimer-box {
  display: flex; gap: var(--space-3); align-items: flex-start;
  background: rgba(245,158,11,0.06); border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-md); padding: var(--space-4);
  margin-top: var(--space-4);
}
.disclaimer-box p { font-size: 12px; color: rgba(245,158,11,0.7); line-height: 1.6; }

/* ── Amortization Table ─────────────────────────────────────────── */
.amort-wrapper {
  border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  overflow: hidden; max-height: 320px; overflow-y: auto;
}
.amort-table { width: 100%; border-collapse: collapse; min-width: 480px; }
.amort-table thead {
  position: sticky; top: 0; background: var(--bg-surface-2);
  border-bottom: 1px solid var(--border-medium);
}
.amort-table th {
  padding: 10px 14px; font-size: 11px; font-family: var(--font-mono);
  color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.08em; text-align: right;
}
.amort-table th:first-child { text-align: left; }
.amort-table td {
  padding: 9px 14px; font-size: 13px; font-family: var(--font-mono);
  color: var(--text-secondary); border-bottom: 1px solid var(--border-subtle);
  text-align: right;
}
.amort-table td:first-child { text-align: left; color: var(--text-primary); }
.amort-table tbody tr:hover { background: var(--bg-surface-2); }
.amort-table .col-principal { color: var(--color-positive); }
.amort-table .col-interest  { color: var(--gold-dim); }

/* ── FAQ Accordion ─────────────────────────────────────────────── */
.faq-section { margin-top: var(--space-8); }
.faq-section > h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(22px, 3vw, 28px); color: var(--text-primary);
  margin-bottom: var(--space-5);
}
.faq-list { display: flex; flex-direction: column; gap: 4px; }
.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); overflow: hidden;
}
.faq-item summary {
  list-style: none; padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  cursor: pointer; transition: all var(--transition);
}
.faq-item summary:hover { color: var(--green-mid); background: var(--bg-surface-2); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  flex-shrink: 0; width: 22px; height: 22px;
  border-radius: 50%; border: 1px solid var(--border-medium);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--green-mid); transition: transform var(--transition);
}
.faq-item[open] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  padding: 0 20px 16px;
  border-top: 1px solid var(--border-subtle);
}
.faq-answer p { padding-top: 14px; font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ── Related Calculators ───────────────────────────────────────── */
.related-calcs { margin-top: var(--space-8); }
.related-calcs > h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 22px; color: var(--text-primary); margin-bottom: var(--space-4);
}
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.related-card {
  padding: var(--space-4); border-radius: var(--radius-md);
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  text-decoration: none; transition: all var(--transition); display: block;
}
.related-card:hover { border-color: rgba(13,143,80,0.4); transform: translateY(-2px); }
.related-icon { font-size: 24px; margin-bottom: var(--space-2); }
.related-name { font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; transition: color var(--transition); }
.related-card:hover .related-name { color: var(--green-mid); }
.related-desc { font-size: 11px; color: var(--text-muted); }

/* ── Save/Copy result box ─────────────────────────────────────── */
.result-actions { display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .calc-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .results-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-body { padding: var(--space-5) var(--space-4); }
}

/* ── Compare Grid (Loan Comparison) ────────────────────────────── */
.compare-inputs { display: flex; flex-direction: column; gap: var(--space-5); }
.compare-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
  padding: var(--space-4); background: var(--bg-surface-2);
  border-radius: var(--radius-md); border: 1px solid var(--border-subtle);
}
.compare-offer-input h3 {
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: var(--space-3); font-family: var(--font-mono);
}
.compare-offer-input label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 4px; margin-top: 10px; }
.small-input {
  width: 100%; background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-primary);
  padding: 8px 10px; font-size: 14px; font-family: var(--font-mono);
}
.small-input:focus { outline: none; border-color: var(--green-mid); }

.compare-results-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
  margin-top: var(--space-4);
}
.compare-result-card {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: var(--space-5);
  transition: all var(--transition); position: relative;
}
.compare-result-card.best-offer {
  border-color: var(--green-mid); box-shadow: var(--shadow-green);
}
.compare-card-title {
  font-size: 13px; font-weight: 700; color: var(--text-secondary);
  margin-bottom: var(--space-4); font-family: var(--font-mono);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.compare-stat {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--border-subtle); font-size: 13px;
}
.compare-stat span { color: var(--text-muted); }
.compare-stat strong { color: var(--text-primary); font-family: var(--font-mono); }
.best-badge {
  margin-top: var(--space-3); padding: 6px 12px; border-radius: 99px;
  background: rgba(13,143,80,0.15); color: var(--green-mid);
  font-size: 11px; font-weight: 600; text-align: center;
}

/* ── Debt List (Debt Consolidation) ────────────────────────────── */
.debt-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-5); }
.debt-row {
  background: var(--bg-surface-2); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); padding: var(--space-3) var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-2);
}
.debt-name { font-size: 13px; font-weight: 600; color: var(--text-secondary); }
.debt-inputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.num-input-sm {
  width: 100%; background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm); color: var(--text-primary);
  padding: 7px 10px; font-size: 13px; font-family: var(--font-mono);
}
.num-input-sm:focus { outline: none; border-color: var(--green-mid); }
.section-divider {
  border-top: 1px solid var(--border-subtle); padding-top: var(--space-4); margin-top: var(--space-2);
}
.section-divider h3 { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--space-3); }

/* ── Budget Score (Budget Planner) ─────────────────────────────── */
.budget-score-wrap { text-align: center; padding: var(--space-5) 0; }
.budget-score-ring {
  width: 100px; height: 100px; border-radius: 50%; margin: 0 auto var(--space-3);
  border: 4px solid var(--green-mid); display: flex; align-items: center;
  justify-content: center; flex-direction: column;
  background: radial-gradient(circle, rgba(13,143,80,0.1), transparent);
  box-shadow: 0 0 30px rgba(13,143,80,0.2);
}
.budget-score-ring span { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--gold-base); line-height: 1; }
.budget-score-ring small { font-size: 11px; color: var(--text-muted); }
.budget-score-label { font-size: 13px; color: var(--text-muted); }

.budget-bars { display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-5) 0; }
.budget-bar-item { display: flex; flex-direction: column; gap: 4px; }
.bbar-label { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); }
.val-badge { font-family: var(--font-mono); font-size: 12px; }
.bbar-track { height: 8px; background: var(--bg-surface-3); border-radius: 4px; position: relative; overflow: visible; }
.bbar-fill { height: 100%; border-radius: 4px; transition: width 0.4s ease; }
.bbar-green { background: var(--green-mid); }
.bbar-gold  { background: var(--gold-base); }
.bbar-teal  { background: #14b8a6; }
.bbar-target {
  position: absolute; top: -4px; width: 2px; height: 16px;
  background: var(--text-muted); border-radius: 1px; transform: translateX(-50%);
}

.recommendations { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.rec-item { font-size: 13px; color: var(--text-muted); padding: 8px 12px; background: var(--bg-surface-2); border-radius: var(--radius-sm); border-left: 3px solid var(--green-mid); }

/* ── Info Box ───────────────────────────────────────────────────── */
.info-box {
  display: flex; gap: var(--space-3); padding: var(--space-4);
  background: rgba(13,143,80,0.08); border: 1px solid rgba(13,143,80,0.2);
  border-radius: var(--radius-md); margin: var(--space-4) 0;
}
.info-icon { font-size: 18px; flex-shrink: 0; }
.info-box strong { display: block; font-size: 13px; color: var(--green-mid); margin-bottom: 4px; }
.info-box p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin: 0; }
.info-box ul { margin: 4px 0 0 16px; padding: 0; font-size: 13px; color: var(--text-muted); }
.info-box li { margin-bottom: 2px; }

/* ── Checkbox Group ─────────────────────────────────────────────── */
.checkbox-group { margin: var(--space-3) 0; }
.cb-label { display: flex; align-items: center; gap: var(--space-2); cursor: pointer; font-size: 14px; color: var(--text-secondary); }
.cb-input { width: 16px; height: 16px; accent-color: var(--green-mid); cursor: pointer; }

/* ── Result Card Variants ───────────────────────────────────────── */
.result-negative-card { border-color: rgba(239,68,68,0.25); background: rgba(239,68,68,0.05); }
.result-positive-card { border-color: rgba(34,197,94,0.25); background: rgba(34,197,94,0.05); }
.result-gold { color: var(--gold-base) !important; font-family: var(--font-mono); }
.result-positive { color: var(--color-positive) !important; font-family: var(--font-mono); }
.result-negative { color: var(--color-negative) !important; font-family: var(--font-mono); }

/* ── Sel Input ──────────────────────────────────────────────────── */
.sel-label { font-size: 13px; color: var(--text-secondary); display: block; margin-bottom: var(--space-2); }
.sel-input {
  width: 100%; background: var(--bg-surface-2); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md); color: var(--text-primary);
  padding: 10px 14px; font-size: 14px; font-family: var(--font-body);
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a7a68' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 36px;
}
.sel-input:focus { outline: none; border-color: var(--green-mid); }
.sel-input option { background: var(--bg-surface-2); }

/* ── Toast ──────────────────────────────────────────────────────── */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 20px; border-radius: var(--radius-md); font-size: 14px;
  font-family: var(--font-body); box-shadow: var(--shadow-lg);
  transform: translateY(20px); opacity: 0; transition: all 0.3s ease;
  max-width: 300px;
}
.toast-show { transform: translateY(0); opacity: 1; }
.toast-success { background: rgba(22,196,100,0.15); border: 1px solid rgba(22,196,100,0.4); color: var(--color-positive); }
.toast-error   { background: rgba(239,68,68,0.15);  border: 1px solid rgba(239,68,68,0.4);  color: var(--color-negative); }
.toast-info    { background: rgba(59,130,246,0.15); border: 1px solid rgba(59,130,246,0.4); color: #3b82f6; }

/* ── Copy/Share Row ─────────────────────────────────────────────── */
.copy-share-row { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }
.btn-copy, .btn-share {
  padding: 8px 16px; border-radius: var(--radius-md); font-size: 13px;
  cursor: pointer; transition: all var(--transition); border: 1px solid var(--border-medium);
  background: var(--bg-surface-2); color: var(--text-muted);
}
.btn-copy:hover, .btn-share:hover { border-color: var(--green-mid); color: var(--green-mid); }

/* ── Btn Save ───────────────────────────────────────────────────── */
.btn-save {
  width: 100%; margin-top: var(--space-5);
  padding: 12px; border-radius: var(--radius-md); font-size: 14px; font-weight: 600;
  background: transparent; color: var(--green-mid);
  border: 1px solid rgba(13,143,80,0.4); cursor: pointer; transition: all var(--transition);
}
.btn-save:hover { background: rgba(13,143,80,0.1); border-color: var(--green-mid); }

/* ── Disclaimer Box ─────────────────────────────────────────────── */
.disclaimer-box {
  display: flex; gap: var(--space-2); padding: var(--space-3) var(--space-4);
  background: rgba(244,165,23,0.06); border: 1px solid rgba(244,165,23,0.15);
  border-radius: var(--radius-md); margin-top: var(--space-4);
}
.disclaimer-box span { font-size: 14px; flex-shrink: 0; }
.disclaimer-box p { font-size: 12px; color: var(--text-muted); line-height: 1.6; margin: 0; }

/* ── Responsive additions ───────────────────────────────────────── */
@media (max-width: 768px) {
  .compare-grid        { grid-template-columns: 1fr; }
  .compare-results-grid{ grid-template-columns: 1fr; }
  .debt-inputs         { grid-template-columns: 1fr 1fr; }
  .copy-share-row      { flex-direction: column; }
}