/* calculators.css — Socratii calculators page styles (uses tokens from style.css) */

/* ============ PAGE INTRO ============ */
.calc-hero {
  padding-block: clamp(var(--space-12), 7vw, var(--space-20)) var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}
.calc-hero-copy h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-top: var(--space-3);
}
.calc-hero-copy p {
  margin-top: var(--space-5);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 74ch;
}
.calc-hero-copy p strong {
  color: var(--color-text);
}

.calc-jumpnav {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.calc-jumpnav-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-right: var(--space-1);
}
.calc-jumpnav a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.calc-jumpnav a:hover {
  text-decoration: underline;
  background: var(--color-surface-offset);
}
.calc-jumpnav span[aria-hidden] {
  color: var(--color-text-faint);
}
.calc-jumpnav a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.calc-jumpnav-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: var(--color-gold);
}

/* ============ CATEGORY LANDING SECTIONS (mirrors .learn-category) ============ */
.calc-category {
  border-bottom: 1px solid var(--color-divider);
  scroll-margin-top: var(--space-20);
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}
.calc-category--alt {
  background: var(--color-surface-2);
}

.calc-category-head {
  max-width: 720px;
  margin-bottom: var(--space-10);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.calc-category-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  margin-top: var(--space-1);
}
.calc-category-icon svg {
  width: 24px;
  height: 24px;
}
.calc-category-head-copy .eyebrow {
  margin-bottom: var(--space-1);
}
.calc-category-head h2 {
  font-size: var(--text-xl);
  font-weight: 700;
}
.calc-category-head p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}

/* ============ TOOL CARD GRID (category landing -> jumps to tool sections below) ============ */
.calc-tool-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .calc-tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1080px) {
  .calc-tool-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.calc-tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition:
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    border-color var(--transition-interactive);
}
.calc-tool-card:hover {
  box-shadow: var(--shadow-md);
  border-color: oklch(from var(--color-primary) l c h / 0.3);
  transform: translateY(-2px);
}
.calc-tool-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
}
.calc-tool-card h3 a {
  color: var(--color-text);
  text-decoration: none;
}
.calc-tool-card h3 a:hover,
.calc-tool-card h3 a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}
.calc-tool-card h3 a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.calc-tool-card p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 480px) {
  .calc-category-head {
    gap: var(--space-3);
  }
  .calc-category-icon {
    width: 40px;
    height: 40px;
  }
  .calc-category-icon svg {
    width: 20px;
    height: 20px;
  }
  .calc-tool-card {
    padding: var(--space-5);
  }
}

/* ============ ASSUMPTION / EDITABLE ESTIMATE TAG ============ */
.calc-assumption-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-gold);
  background: var(--color-gold-highlight);
  border-radius: var(--radius-full);
  padding: 2px var(--space-2);
  margin-left: var(--space-2);
  white-space: nowrap;
  vertical-align: middle;
}
@media (max-width: 480px) {
  .calc-assumption-tag {
    display: block;
    margin-left: 0;
    margin-top: var(--space-1);
    width: fit-content;
  }
}

/* ============ CALCULATOR SECTIONS ============ */
.calc-section {
  border-bottom: 1px solid var(--color-divider);
  scroll-margin-top: var(--space-20);
}
.calc-section--alt {
  background: var(--color-surface-2);
}
.calc-section:target,
.calc-hero:target {
  scroll-margin-top: var(--space-20);
}

.calc-card {
  max-width: 880px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
@media (max-width: 480px) {
  .calc-card {
    padding: var(--space-5);
  }
}

.calc-card-head h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-3);
}
.calc-card-head p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  max-width: 70ch;
}

/* ============ CROSS-LINK: "Learn more" pill (calculator -> lesson) ============ */
.calc-learnlink {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  text-decoration: none;
  max-width: 100%;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive);
}
.calc-learnlink-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
.calc-learnlink:hover,
.calc-learnlink:focus-visible {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.calc-learnlink:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
@media (max-width: 480px) {
  .calc-learnlink {
    white-space: normal;
  }
}

/* ============ FORM ============ */
.calc-form {
  margin-top: var(--space-8);
}
.calc-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .calc-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 900px) {
  .calc-form-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.calc-form-grid--single {
  grid-template-columns: 1fr;
  max-width: 360px;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.calc-field label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}
.calc-field input[type='number'],
.calc-field input[type='text'],
.calc-field select {
  width: 100%;
  min-height: 46px;
  padding-inline: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.calc-field input:focus-visible,
.calc-field select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: var(--color-primary);
}
.calc-field input.is-invalid {
  border-color: var(--color-error);
}
.calc-field select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235b6472' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

.calc-form-actions {
  margin-top: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.calc-form-actions--split {
  justify-content: flex-start;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.calc-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  font-weight: 600;
  margin: 0;
}

/* ============ DEBT ROWS (dynamic) ============ */
.calc-debt-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.calc-debt-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
}
@media (min-width: 640px) {
  .calc-debt-row {
    grid-template-columns: 1.4fr 1fr 1fr auto;
    align-items: end;
  }
}
.calc-debt-row .calc-field {
  min-width: 0;
}
.calc-debt-row-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-error);
  border: 1px solid transparent;
  align-self: center;
  flex-shrink: 0;
}
.calc-debt-row-remove:hover {
  background: var(--color-error-highlight);
  border-color: var(--color-error);
}
.calc-debt-row-remove:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.calc-debt-row-remove svg {
  width: 18px;
  height: 18px;
}
.calc-debt-row-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

/* ============ RESULTS ============ */
.calc-results {
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.calc-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .calc-results-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.calc-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-5);
  background: var(--color-primary-highlight);
  border-radius: var(--radius-lg);
}
[data-theme='dark'] .calc-stat {
  background: var(--color-surface-offset);
}
.calc-stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}
.calc-stat-value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  word-break: break-word;
}
[data-theme='dark'] .calc-stat-value {
  color: var(--color-text);
}

/* ============ COMPARISON (Roth) ============ */
.calc-compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 640px) {
  .calc-compare-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.calc-compare-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.calc-compare-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}
.calc-compare-math {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  line-height: 1.5;
}
.calc-compare-card .calc-stat-value {
  font-size: var(--text-xl);
  margin-top: var(--space-2);
}
.calc-compare-card--winner {
  border-color: var(--color-gold);
  background: var(--color-gold-highlight);
}
.calc-verdict {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: var(--color-success-highlight);
  border: 1px solid oklch(from var(--color-success) l c h / 0.4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ============ CHART & TABLES ============ */
.calc-chart-wrap {
  margin-top: var(--space-8);
}
.calc-chart-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.calc-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 180px;
  padding: var(--space-3);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-x: auto;
}
.calc-bar {
  flex: 1 0 auto;
  min-width: 18px;
  max-width: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: var(--space-1);
}
.calc-bar-fill {
  width: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 2px;
  transition: height 0.4s var(--ease-out-expo);
}
.calc-bar-label {
  font-size: 0.6rem;
  color: var(--color-text-faint);
  white-space: nowrap;
}

.calc-table-wrap {
  margin-top: var(--space-5);
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.calc-table {
  width: 100%;
  min-width: 420px;
  font-size: var(--text-sm);
}
.calc-table th,
.calc-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}
.calc-table th {
  background: var(--color-surface-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
}
.calc-table tbody tr:last-child td {
  border-bottom: none;
}

.calc-toggle-btn {
  font-size: var(--text-sm);
}

/* ============ DISCLAIMER ============ */
.calc-disclaimer {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: none;
  padding: var(--space-4);
  background: var(--color-gold-highlight);
  border-radius: var(--radius-md);
  border: 1px solid oklch(from var(--color-gold) l c h / 0.35);
}

/* ============ RESPONSIVE: MOBILE ============ */
@media (max-width: 480px) {
  .calc-results-grid {
    grid-template-columns: 1fr;
  }
  .calc-compare-grid {
    grid-template-columns: 1fr;
  }
  .calc-form-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .calc-debt-row-remove {
    justify-self: flex-end;
  }
}