/*
 * calculators.css
 * Page-specific styles for the Calculators page.
 * Inherits base styles, typography, navbar, hero, btn, footer from style.css
 * Color palette sourced from style.css:
 *   Primary Teal  : #305f72
 *   Dark Teal     : #214655
 *   Deep Dark     : #183153 / #101820
 *   Yellow Accent : #f9c74f / #f4b544
 *   Background    : #f9fafa
 *   Card BG       : #f0f3f4
 *   Text          : #1a1a1a / #333
 *   Muted         : #777
 */

/* ============================================================
   ACTIVE NAV LINK
   ============================================================ */
.active-nav {
  color: #305f72 !important;
  font-weight: 600;
}

/* ============================================================
   TABS
   ============================================================ */
.calc-tabs-section {
  background: #fff;
  padding: 2rem 0 0;
  border-bottom: 2px solid #e8edf0;
}

.calc-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.calc-tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 0.85rem 1.5rem;
  font-family: 'Poppins', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  color: #777;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  margin-bottom: -2px; /* sit on border */
}

.calc-tab-btn:hover {
  color: #305f72;
}

.calc-tab-btn.active {
  color: #305f72;
  border-bottom-color: #305f72;
  font-weight: 600;
}

.calc-tab-icon {
  font-size: 1rem;
}

/* ============================================================
   CALC SECTION WRAPPER
   ============================================================ */
.calc-section {
  padding: 3rem 0 4rem;
  background: #f9fafa;
}

/* ============================================================
   PANELS
   ============================================================ */
.calc-panel {
  display: none;
}

.calc-panel.active {
  display: block;
  animation: fadeUp 0.35s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   TWO-COLUMN GRID
   ============================================================ */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

/* ============================================================
   INPUT CARD  (extends .feature-card from style.css)
   ============================================================ */
.calc-inputs {
  /* inherits background, border-radius, box-shadow, padding from .feature-card */
  text-align: left;
  max-width: 100%;
}

.calc-inputs h3 {
  /* inherits color: #305f72 from .feature-card h3 */
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}

.calc-desc {
  font-size: 0.88rem;
  color: #777;
  margin-bottom: 1.8rem;
  line-height: 1.6;
}

/* ── Field ── */
.calc-field {
  margin-bottom: 1.6rem;
}

.calc-field label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: #1a1a1a;
  margin-bottom: 0.6rem;
}

.calc-field label span {
  font-weight: 600;
  color: #305f72;
  font-size: 0.9rem;
}

/* ── Range Slider ── */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 10px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(
    to right,
    #305f72 0%,
    #305f72 var(--pct, 40%),
    #dde4e8 var(--pct, 40%),
    #dde4e8 100%
  );
  transition: background 0.1s;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #305f72;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(48, 95, 114, 0.35);
  cursor: pointer;
  transition: transform 0.15s, background 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #214655;
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #305f72;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(48, 95, 114, 0.35);
  cursor: pointer;
}

/* ── Goal Presets ── */
.goal-presets {
  margin-top: 1.6rem;
}

.presets-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 0.6rem;
}

.preset-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preset-btn {
  background: #f0f3f4;
  border: 1px solid #dde4e8;
  color: #305f72;
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.preset-btn:hover {
  background: #305f72;
  color: #fff;
  border-color: #305f72;
}

/* ============================================================
   RESULTS CARD
   ============================================================ */
.calc-results {
  background: linear-gradient(145deg, #214655 0%, #305f72 100%);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 6px 30px rgba(33, 70, 85, 0.25);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.results-header h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 600;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 1.2rem;
}

/* ── Result Rows ── */
.result-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.result-row:last-child {
  border-bottom: none;
}

.result-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
}

.result-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.highlight-row {
  background: rgba(249, 199, 79, 0.1);
  border-radius: 8px;
  padding: 0.85rem 0.75rem;
  margin: 0.4rem -0.75rem;
}

.result-highlight {
  color: #f9c74f;
  font-size: 1.2rem;
}

/* ── CTA Button ── */
.calc-cta {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  /* inherits .btn: background #f9c74f, color #1a1a1a, border-radius 25px */
}

/* ============================================================
   DONUT CHART
   ============================================================ */
.donut-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 1.4rem 0 0.8rem;
}

.donut-wrapper {
  position: relative;
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.donut-svg {
  width: 130px;
  height: 130px;
  transform: rotate(-90deg);
}

.donut-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.donut-pct {
  font-size: 1.15rem;
  font-weight: 700;
  color: #f9c74f;
  line-height: 1;
}

.donut-sub {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.donut-legend {
  display: flex;
  gap: 1.2rem;
  margin-top: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-dot.teal   { background: #fff; }
.legend-dot.yellow { background: #f9c74f; }

/* ============================================================
   RETIREMENT TIMELINE
   ============================================================ */
.age-timeline {
  background: rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-top: 1.4rem;
}

.timeline-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 0.8rem;
}

.timeline-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.timeline-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.timeline-age {
  font-size: 1.2rem;
  font-weight: 700;
  color: #f9c74f;
  line-height: 1;
}

.timeline-age.teal {
  color: #a8d5e2;
}

.timeline-sub {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
}

.timeline-track {
  flex: 1;
  height: 5px;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
}

.timeline-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, #f9c74f, #a8d5e2);
  border-radius: 4px;
  transition: width 0.6s ease;
}

/* ============================================================
   GOAL PROGRESS BAR
   ============================================================ */
.goal-progress-wrap {
  margin-top: 1.4rem;
  background: rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 1rem 1.2rem;
}

.goal-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.65rem;
}

.goal-progress-track {
  height: 8px;
  background: rgba(255,255,255,0.12);
  border-radius: 8px;
  overflow: hidden;
}

.goal-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(to right, #f9c74f, #f4b544);
  border-radius: 8px;
  transition: width 0.6s ease;
}

/* ============================================================
   DISCLAIMER STRIP
   ============================================================ */
.disclaimer-strip {
  background: #fff;
  border-top: 3px solid #305f72;
  padding: 2.5rem 0;
}

.disclaimer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-between;
}

.disclaimer-item {
  flex: 1 1 220px;
}

.disclaimer-item h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #305f72;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.disclaimer-item p {
  font-size: 0.85rem;
  color: #777;
  line-height: 1.65;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .calc-tabs {
    gap: 0;
  }

  .calc-tab-btn {
    flex: 1;
    justify-content: center;
    font-size: 0.82rem;
    padding: 0.75rem 0.5rem;
  }

  .calc-results {
    padding: 1.5rem;
  }

  .disclaimer-grid {
    flex-direction: column;
  }

  .preset-btns {
    gap: 0.4rem;
  }
}