/* calculator.css — Tax Drain Calculator
   Design tokens mirror MyExpense app + myexpense.co.za */

:root {
  --c-primary:      #6B6AD8;
  --c-primary-soft: #EEEEFA;
  --c-primary-deep: #4E4DB8;
  --c-noir:         #171629;
  --c-noir-2:       #1F1D34;
  --c-ink:          #0F0F1E;
  --c-ink-2:        #2A2840;
  --c-ink-3:        #6B6880;
  --c-ink-4:        #9A97B0;
  --c-on-noir:      #FFFFFF;
  --c-on-noir-2:    #A9A5BD;
  --c-bg:           #F2EDE3;
  --c-surface:      #FFFFFF;
  --c-border:       #E3DDCD;
  --c-border-2:     #D6CFBC;
  --c-success:      #1B6B3A;
  --c-success-bg:   #DDF0E4;
  --c-danger:       #C0392B;
  --c-danger-bg:    #FAE8E6;
  --c-warm:         #E8B16A;
  --c-warm-soft:    #FCEAD9;
  --r-sm:   10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-pill: 100px;
  --shadow-pop:  0 12px 32px -12px rgba(15,15,30,0.30);
  --shadow-lift: 0 8px 24px -8px rgba(15,15,30,0.18);
}

*, *::before, *::after { box-sizing: border-box; -webkit-font-smoothing: antialiased; }
html, body { margin: 0; padding: 0; background: var(--c-bg); color: var(--c-ink); font-family: 'Inter', system-ui, -apple-system, sans-serif; font-feature-settings: 'ss01','cv11'; letter-spacing: -0.01em; min-height: 100vh; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

/* ── Page wrapper ─────────────────────────────────── */
#calculator-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 80px;
}

/* ── Screen wrapper ───────────────────────────────── */
.calc-screen { width: 100%; max-width: 540px; padding: 0 20px; }

.calc-content {
  background: var(--c-surface);
  border-radius: var(--r-xl);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--c-border);
  margin-top: 12px;
}

/* ── Logo ─────────────────────────────────────────── */
.calc-logo { padding: 24px 0 8px; display: flex; justify-content: center; }
.calc-logo-img { height: 28px; width: auto; }
.calc-logo-link { display: inline-flex; align-items: center; text-decoration: none; }
.calc-logo-text {
  font-size: 20px; font-weight: 800;
  letter-spacing: -0.04em; color: var(--c-noir);
  font-family: 'Inter', system-ui, sans-serif;
}

/* ── Progress bar ─────────────────────────────────── */
.calc-progress { padding: 20px 0 0; }
.calc-progress-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.calc-step-label { font-size: 12px; font-weight: 600; color: var(--c-ink-3); letter-spacing: 0.01em; }
.calc-step-pct { font-size: 11px; font-weight: 700; color: var(--c-primary); letter-spacing: 0.04em; }
.calc-progress-track { height: 4px; background: var(--c-border); border-radius: var(--r-pill); overflow: hidden; }
.calc-progress-fill { height: 100%; background: var(--c-primary); border-radius: var(--r-pill); transition: width 0.4s ease; }

/* ── Back button ──────────────────────────────────── */
.calc-back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 0; background: none; border: none;
  font-size: 13px; font-weight: 500; color: var(--c-ink-3);
  margin-top: 12px; transition: color 0.15s;
}
.calc-back-btn:hover { color: var(--c-ink); }

/* ── Question text ────────────────────────────────── */
.calc-question {
  font-size: 19px; font-weight: 700; color: var(--c-ink);
  line-height: 1.3; letter-spacing: -0.025em; margin: 0 0 8px;
}
.calc-question-sub { font-size: 13px; color: var(--c-ink-3); margin: 0 0 20px; line-height: 1.5; }

/* ── Option buttons ───────────────────────────────── */
.calc-option-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 10px; margin-bottom: 20px;
}
.calc-option-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }

.calc-option-btn {
  padding: 13px 16px;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-size: 13.5px; font-weight: 500;
  color: var(--c-ink-2);
  text-align: left; line-height: 1.4;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.calc-option-btn:hover { border-color: var(--c-primary); background: var(--c-primary-soft); }
.calc-option-btn.selected {
  border-color: var(--c-primary); background: var(--c-primary-soft);
  color: var(--c-primary-deep); font-weight: 600;
}
.calc-option-full { width: 100%; text-align: left; }
.calc-option-sm { flex: 1; text-align: center; padding: 12px 10px; font-size: 13px; }

/* ── CTA button ───────────────────────────────────── */
.calc-cta-btn {
  display: block; width: 100%;
  padding: 15px 20px;
  background: var(--c-noir); color: var(--c-on-noir);
  border: none; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 700; letter-spacing: -0.01em;
  transition: background 0.18s, transform 0.15s;
  margin-top: 4px;
}
.calc-cta-btn:hover:not(:disabled) { background: var(--c-noir-2); transform: translateY(-1px); }
.calc-cta-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Entry screen ─────────────────────────────────── */
.calc-entry {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
}
.calc-entry-headline {
  font-size: clamp(26px, 7vw, 36px); font-weight: 800;
  line-height: 1.1; letter-spacing: -0.03em;
  color: var(--c-ink); margin: 24px 0 12px;
}
.calc-entry-sub {
  font-size: 15px; font-weight: 500;
  color: var(--c-ink-3); margin: 0 0 16px;
}
.calc-entry-body {
  font-size: 14px; line-height: 1.65;
  color: var(--c-ink-3); margin: 0 0 28px; max-width: 340px;
}
.calc-entry-body strong { color: var(--c-ink); }
.calc-entry .calc-cta-btn { max-width: 360px; }
.calc-disclaimer-inline { font-size: 11px; color: var(--c-ink-4); margin: 14px 0 0; }

/* ── Spending sliders ─────────────────────────────── */
.calc-slider-wrap {
  margin-bottom: 22px; padding-bottom: 22px;
  border-bottom: 1px solid var(--c-border);
}
.calc-slider-wrap:last-of-type { border-bottom: none; margin-bottom: 8px; padding-bottom: 0; }
.calc-slider-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.calc-slider-label { font-size: 13.5px; font-weight: 600; color: var(--c-ink-2); }
.calc-slider-value { font-size: 14px; font-weight: 700; color: var(--c-primary); min-width: 90px; text-align: right; }
.calc-slider-note { font-size: 11px; color: var(--c-ink-4); margin: 8px 0 0; line-height: 1.4; }

.calc-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px;
  background: var(--c-border); border-radius: var(--r-pill);
  outline: none; cursor: pointer;
}
.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 22px; height: 22px;
  border-radius: 50%; background: var(--c-primary);
  border: 3px solid white;
  box-shadow: 0 1px 8px rgba(107,106,216,0.4);
  cursor: pointer; transition: transform 0.1s;
}
.calc-range::-webkit-slider-thumb:active { transform: scale(1.15); }
.calc-range::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%; background: var(--c-primary);
  border: 3px solid white;
  box-shadow: 0 1px 8px rgba(107,106,216,0.4);
  cursor: pointer;
}

/* ── Mileage stepper ──────────────────────────────── */
.calc-stepper { display: flex; align-items: center; gap: 12px; }
.calc-stepper-btn {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--c-primary-soft);
  border: 1.5px solid var(--c-primary);
  color: var(--c-primary);
  font-size: 20px; font-weight: 400;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
  line-height: 1; padding: 0;
}
.calc-stepper-btn:hover { background: var(--c-primary); color: white; }
.calc-stepper-val {
  font-size: 15px; font-weight: 700; color: var(--c-primary);
  min-width: 80px; text-align: center;
}

/* ── Home/vehicle sections ────────────────────────── */
.calc-section { margin-bottom: 28px; }
.calc-section:last-of-type { margin-bottom: 0; }
.calc-option-row { display: flex; gap: 10px; margin-top: 12px; margin-bottom: 16px; }

/* ── m² inputs ────────────────────────────────────── */
.calc-m2-row { display: flex; gap: 16px; margin-top: 16px; }
.calc-m2-field { flex: 1; }
.calc-m2-label { display: block; font-size: 12px; font-weight: 600; color: var(--c-ink-3); margin-bottom: 6px; }
.calc-m2-input {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--c-border); border-radius: var(--r-md);
  font-family: inherit; font-size: 16px; font-weight: 600;
  color: var(--c-ink); background: var(--c-surface);
  outline: none; transition: border-color 0.15s;
  -moz-appearance: textfield;
}
.calc-m2-input:focus { border-color: var(--c-primary); }
.calc-m2-input.error { border-color: var(--c-danger); }
.calc-m2-input::-webkit-inner-spin-button,
.calc-m2-input::-webkit-outer-spin-button { -webkit-appearance: none; }
.calc-m2-error { font-size: 11px; color: var(--c-danger); margin: 4px 0 0; }
.calc-m2-note { font-size: 11px; color: var(--c-ink-4); margin: 12px 0 0; line-height: 1.5; }

/* ── Result screen ────────────────────────────────── */
.calc-result { padding-bottom: 40px; }
.calc-result-header { padding: 24px 0 0; display: flex; justify-content: center; }

.calc-result-hero { text-align: center; padding: 28px 0 20px; }
.calc-result-label {
  font-size: 11px; font-weight: 700; color: var(--c-ink-4);
  letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 10px;
}
.calc-result-amount {
  font-size: clamp(48px, 14vw, 72px); font-weight: 800;
  color: var(--c-primary); letter-spacing: -0.04em;
  margin: 0 0 12px; line-height: 1;
}
.calc-result-hl { font-size: 15px; font-weight: 600; color: var(--c-ink-2); margin: 0; }
.calc-result-note { font-size: 13px; color: var(--c-ink-3); line-height: 1.6; margin: 8px 0 0; }

.calc-result-warning {
  background: var(--c-warm-soft); border: 1px solid var(--c-warm);
  border-radius: var(--r-md); padding: 12px 16px;
  font-size: 13px; font-weight: 500; color: #7A4F10;
  margin-bottom: 16px; line-height: 1.5;
}

.calc-result-card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-xl); margin-bottom: 14px; overflow: hidden;
}

/* Breakdown toggle */
.calc-breakdown-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; font-size: 14px; font-weight: 600;
  color: var(--c-ink); cursor: pointer; user-select: none;
  transition: background 0.15s;
}
.calc-breakdown-header:hover { background: var(--c-primary-soft); }
.calc-breakdown-arrow { font-size: 11px; color: var(--c-ink-3); }
.calc-breakdown-body { border-top: 1px solid var(--c-border); overflow-x: auto; }
.calc-breakdown-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.calc-breakdown-table th {
  text-align: left; padding: 10px 14px;
  background: #f9f7f3; color: var(--c-ink-3);
  font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap;
}
.calc-breakdown-table td {
  padding: 10px 14px; color: var(--c-ink-2);
  border-top: 1px solid var(--c-border); vertical-align: top; line-height: 1.4;
}
.calc-breakdown-table td.amt { color: var(--c-primary); font-weight: 700; white-space: nowrap; }
.calc-breakdown-table td.rule { color: var(--c-ink-4); font-size: 11px; }
.calc-breakdown-table .total-row td { background: var(--c-primary-soft); padding: 12px 14px; }

/* Tax saving card */
.calc-tax-saving-card {
  padding: 22px 20px; text-align: center;
  background: var(--c-noir); color: var(--c-on-noir); border: none;
}
.calc-tax-saving-label {
  font-size: 11px; font-weight: 600; color: var(--c-on-noir-2);
  letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 8px;
}
.calc-tax-saving-amount {
  font-size: 38px; font-weight: 800; letter-spacing: -0.04em;
  margin: 0 0 10px; color: var(--c-on-noir);
}
.calc-tax-saving-sub { font-size: 13px; color: var(--c-on-noir-2); line-height: 1.5; margin: 0; }
.calc-tax-saving-sub strong { color: var(--c-on-noir); }

/* Share buttons */
.calc-share-section { margin-bottom: 14px; }
.calc-share-title {
  font-size: 11px; font-weight: 700; color: var(--c-ink-3);
  letter-spacing: 0.06em; text-transform: uppercase; margin: 0 0 12px;
}
.calc-share-buttons { display: flex; gap: 10px; }
.calc-share-btn {
  flex: 1; display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 10px; border-radius: var(--r-md);
  font-size: 13px; font-weight: 600;
  border: 1.5px solid var(--c-border);
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
}
.calc-share-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.calc-share-wa  { background: #25D366; color: white; border-color: #25D366; }
.calc-share-li  { background: #0A66C2; color: white; border-color: #0A66C2; }
.calc-share-copy { background: var(--c-surface); color: var(--c-ink-2); }

/* Waitlist form */
.calc-waitlist-section {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-xl); padding: 24px 20px; margin-bottom: 14px;
}
.calc-waitlist-pitch { margin-bottom: 18px; }
.calc-waitlist-headline {
  font-size: 16px; font-weight: 700; color: var(--c-ink);
  letter-spacing: -0.02em; margin: 0 0 4px;
}
.calc-waitlist-sub { font-size: 13px; color: var(--c-ink-3); margin: 0; }
.calc-waitlist-row { display: flex; gap: 10px; margin-bottom: 10px; }
.calc-email-input {
  flex: 1; padding: 13px 16px;
  border: 1.5px solid var(--c-border); border-radius: var(--r-pill);
  font-family: inherit; font-size: 14px; color: var(--c-ink);
  background: var(--c-bg); outline: none; transition: border-color 0.15s;
}
.calc-email-input:focus { border-color: var(--c-primary); }
.calc-waitlist-btn { flex-shrink: 0; width: auto; white-space: nowrap; padding: 13px 20px; font-size: 14px; }
.calc-waitlist-privacy { font-size: 11px; color: var(--c-ink-4); margin: 0; line-height: 1.5; }
.calc-waitlist-privacy a { color: var(--c-primary); text-decoration: underline; }
.calc-waitlist-success {
  background: var(--c-success-bg); color: var(--c-success);
  padding: 14px 16px; border-radius: var(--r-md);
  font-size: 14px; font-weight: 600;
}

/* Legal disclaimer */
.calc-legal-disclaimer {
  font-size: 11px; color: var(--c-ink-4); line-height: 1.65;
  margin-bottom: 20px; padding: 14px 16px;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

/* Restart link */
.calc-restart-btn {
  display: block; background: none; border: none;
  font-size: 13px; font-weight: 500; color: var(--c-ink-3);
  padding: 8px 0; text-align: center; width: 100%;
  transition: color 0.15s;
}
.calc-restart-btn:hover { color: var(--c-ink); }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 480px) {
  .calc-screen { padding: 0 16px; }
  .calc-option-grid { grid-template-columns: 1fr; }
  .calc-share-buttons { flex-direction: column; }
  .calc-waitlist-row { flex-direction: column; }
  .calc-waitlist-btn { width: 100%; }
  .calc-m2-row { flex-direction: column; gap: 12px; }
  .calc-breakdown-table th:nth-child(3),
  .calc-breakdown-table td:nth-child(3) { display: none; }
}