/* ==========================================================================
   earnings-calculator.css — interactive "what you'd earn" estimator
   Markup: <div class="earnings-calc">
            <form class="calc-controls" onsubmit="event.preventDefault();">
              <header class="calc-head">
                <div class="kicker">Earnings estimator</div>
                <h3>Calculate your take</h3>
                <p>Drag the sliders. Numbers update live.</p>
              </header>
              <div class="calc-row">
                <div class="lbl"><span>Sessions per week</span><span class="v" data-v="sessions">5</span></div>
                <input type="range" name="sessions" min="1" max="15" step="1" value="5">
                <div class="ticks"><span>1</span><span>15</span></div>
              </div>
              <div class="calc-row">…rate slider…</div>
            </form>
            <aside class="calc-output on-dark">
              <div class="label">You'd take home about</div>
              <div class="num"><small>$</small><span data-v="monthly">780</span><small class="per">/mo</small></div>
              <div class="stack">
                <div class="row"><span>Per week</span><strong>$<span data-v="weekly">180</span></strong></div>
                <div class="row"><span>Per year</span><strong>$<span data-v="annual">9,360</span></strong></div>
              </div>
              <a href="/auth/signup?role=trainer" class="btn btn-primary btn-lg">Start listing free</a>
            </aside>
          </div>
          <p class="calc-footnote">After SplitMart's 10% fee. Weekly payouts via Stripe.</p>
   JS: landing.js section 10 reads input values, updates [data-v] spans.
   No JS = output stays at the static defaults rendered by HTML — still
   communicative.
   ========================================================================== */

.earnings-calc {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-32);
  align-items: stretch;
}

/* ── Left column — sliders on a soft surface ────────────────────────── */
.calc-controls {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-26);
}

.calc-head { margin-bottom: var(--space-6); }
.calc-head .kicker { margin-bottom: var(--space-10); }
.calc-head h3 {
  margin: 0 0 var(--space-6);
  font-size: var(--fs-h2-sm);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-tight);
  color: var(--ink);
  line-height: var(--lh-heading);
}
.calc-head p {
  margin: 0;
  color: var(--ink-3);
  font-size: var(--fs-sm);
}

.calc-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}
.calc-row .lbl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-12);
  font-size: var(--fs-sm);
  color: var(--ink-3);
  font-weight: var(--fw-semibold);
}
.calc-row .lbl .v {
  font-family: var(--font-display);
  font-size: var(--fs-h2-sm);
  color: var(--ink);
  font-weight: var(--fw-display);
  letter-spacing: var(--ls-tight);
  line-height: 1;
}

/* Range input — restyled track + thumb so the cyan thumb sits on a brand-soft
   filled track. No browser default chrome. */
.calc-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 28px;
  background: transparent;
  cursor: pointer;
  /* CSS variable consumed by the gradient below; JS sets it as a percentage. */
  --calc-fill: 50%;
}
.calc-row input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: var(--pill);
  background:
    linear-gradient(to right,
      var(--brand) 0%,
      var(--brand) var(--calc-fill),
      var(--brand-soft) var(--calc-fill),
      var(--brand-soft) 100%);
}
.calc-row input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: var(--pill);
  background: var(--brand-soft);
}
.calc-row input[type="range"]::-moz-range-progress {
  height: 8px;
  border-radius: var(--pill);
  background: var(--brand);
}
.calc-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  margin-top: -10px;
  border-radius: 50%;
  background:
    radial-gradient(circle,
      var(--brand) 0%,
      var(--brand) 28%,
      transparent 30%,
      transparent 100%),
    white;
  border: 1.5px solid var(--brand);
  box-shadow:
    0 3px 8px rgba(var(--brand-rgb), .32),
    0 1px 2px rgba(var(--slate-rgb), .06);
  cursor: grab;
  transition: transform .15s ease, box-shadow .15s ease;
}
.calc-row input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background:
    radial-gradient(circle,
      var(--brand) 0%,
      var(--brand) 28%,
      transparent 30%,
      transparent 100%),
    white;
  border: 1.5px solid var(--brand);
  box-shadow:
    0 3px 8px rgba(var(--brand-rgb), .32),
    0 1px 2px rgba(var(--slate-rgb), .06);
  cursor: grab;
  transition: transform .15s ease, box-shadow .15s ease;
}
.calc-row input[type="range"]:hover::-webkit-slider-thumb {
  box-shadow:
    0 4px 12px rgba(var(--brand-rgb), .42),
    0 1px 2px rgba(var(--slate-rgb), .08);
}
.calc-row input[type="range"]:hover::-moz-range-thumb {
  box-shadow:
    0 4px 12px rgba(var(--brand-rgb), .42),
    0 1px 2px rgba(var(--slate-rgb), .08);
}
.calc-row input[type="range"]:active::-webkit-slider-thumb { cursor: grabbing; transform: scale(1.08); }
.calc-row input[type="range"]:active::-moz-range-thumb { cursor: grabbing; transform: scale(1.08); }
.calc-row input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow:
    0 0 0 5px rgba(var(--brand-rgb), .25),
    0 3px 8px rgba(var(--brand-rgb), .32);
}
.calc-row input[type="range"]:focus-visible::-moz-range-thumb {
  box-shadow:
    0 0 0 5px rgba(var(--brand-rgb), .25),
    0 3px 8px rgba(var(--brand-rgb), .32);
}

.calc-row .ticks {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-meta);
  color: var(--muted);
  font-weight: var(--fw-medium);
  font-variant-numeric: tabular-nums;
}

/* ── Booking-fee selector: segmented control at the top of the calc ──────
   Reuses the shared .segments component (segmented-filter.css). landing.js
   reads the active segment (Cover / Share / Pass) to recompute the take-home
   figure and the booking-fee line. This block owns the label + spacing. */
.calc-fee {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}
.calc-fee__label {
  font-size: var(--fs-sm);
  color: var(--ink-3);
  font-weight: var(--fw-semibold);
}
.calc-fee .segments {
  margin: 0;
  /* Tinted track so the ghost segments read as one grouped control on the
     white calc surface, matching the slider track's restraint. */
  --seg-track-bg: var(--bg-3);
  --seg-active-bg: var(--bg);
  width: 100%;
}
.calc-fee .segment { flex: 1; justify-content: center; }

/* ── Right column — solid brand panel with the headline take-home figure ─ */
.calc-output {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--brand);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-20);
  justify-content: center;
}

/* Subtle radial highlight in the upper-right — keeps the panel from reading
   as a flat blue rectangle without resorting to gradient slop. */
.calc-output::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 90% 10%,
    rgba(var(--white-rgb), .18) 0%,
    rgba(var(--white-rgb), 0) 55%);
  z-index: -1;
  pointer-events: none;
}

.calc-output .label {
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  font-weight: var(--fw-bold);
  color: rgba(var(--white-rgb), .85);
}

.calc-output .num {
  font-family: var(--font-display);
  font-weight: var(--fw-display);
  letter-spacing: var(--ls-tight);
  line-height: 1;
  font-size: var(--fs-h1-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  font-variant-numeric: tabular-nums;
}
.calc-output .num small {
  font-size: var(--fs-metric-cta);
  font-weight: var(--fw-display);
  line-height: 1;
  margin-top: var(--space-6);
}
.calc-output .num small.per {
  font-size: var(--fs-body-lg);
  font-weight: var(--fw-semibold);
  color: rgba(var(--white-rgb), .78);
  align-self: flex-end;
  margin-bottom: var(--space-6);
  margin-left: var(--space-4);
  font-family: var(--font-base);
  letter-spacing: var(--ls-base);
}

.calc-output .stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  border-top: 1px solid rgba(var(--white-rgb), .22);
  padding-top: var(--space-18);
}
.calc-output .stack .row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--fs-sm);
  color: rgba(var(--white-rgb), .85);
  font-weight: var(--fw-medium);
}
.calc-output .stack .row strong {
  color: white;
  font-weight: var(--fw-bold);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-price);
}

/* CTA — full-width primary button on the brand panel. The panel surface is
   var(--brand), so the default cyan .btn-primary blends in. Invert to a
   white surface with ink text locally (the global .on-dark rule keeps cyan
   for slate-dark surfaces — this is the brand-surface variant). */
.calc-output .btn { width: 100%; }
.calc-output .btn-primary {
  background: white;
  color: var(--ink);
  box-shadow: none;
}
.calc-output .btn-primary::before {
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(var(--brand-ink-rgb), .22) 50%,
    transparent 70%);
}
.calc-output .btn-primary:hover {
  background: var(--brand-soft-2);
  color: var(--brand-ink);
}
.calc-output .btn-primary:active { background: var(--brand-soft); }
.calc-output .btn-primary:focus-visible {
  box-shadow: 0 0 0 3px rgba(var(--white-rgb), .55);
}

/* External footnote — sits below the calc grid, muted gray, full-width centered. */
.calc-footnote {
  margin: var(--space-18) 0 0;
  font-size: var(--fs-meta);
  color: var(--muted);
  line-height: var(--lh-body);
  text-align: center;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .earnings-calc { grid-template-columns: 1fr; gap: var(--space-20); }
  .calc-output { padding: var(--space-28); }
  .calc-output .num { font-size: var(--fs-h1-mid); }
}
@media (max-width: 720px) {
  .calc-controls { padding: var(--space-22); gap: var(--space-22); }
  .calc-output { padding: var(--space-22); gap: var(--space-16); }
  .calc-output .num { font-size: var(--fs-h2-closing); }
  .calc-output .num small { font-size: var(--fs-h3-lg); }
  .calc-head h3 { font-size: var(--fs-h3-lg); }
  .calc-footnote { margin-top: var(--space-14); text-align: left; }
}