/* ==========================================================================
   D05 Value Calculator — page styles
   Intro, program inputs (slider + number field), dark result panel with
   metrics and 5-year chart, report-by-email card, editable assumptions table.
   Behaviour: assets/js/pages/d05-value-calculator.js
   ========================================================================== */

.calc-page {
  position: relative;
  min-height: 100vh;
  background: var(--graphite-50);
}

/* Mono section kicker: "01 — YOUR PROGRAM" */
.calc-kicker {
  font: 500 12px/1 'Geist Mono', monospace;
  letter-spacing: .08em;
  color: var(--graphite-600);
}
.calc-kicker--on-dark { color: var(--mist-400); }

/* Unit label next to a number field */
.calc-unit {
  font: 400 12px/1 'Geist Mono', monospace;
  color: var(--graphite-500);
  white-space: nowrap;
}

/* ── Intro ──────────────────────────────────────────────────────────────── */

.calc-intro {
  max-width: 1320px;
  margin: 0 auto;
  padding: clamp(32px, 5vw, 64px) clamp(20px, 4.2vw, 60px) 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.calc-intro__title {
  margin: 0;
  max-width: 900px;
  font: 500 clamp(40px, 1.4rem + 4vw, 88px)/.98 'Geist', sans-serif;
  letter-spacing: -.045em;
}
.calc-intro__title .serif-accent { font-size: 1.1em; letter-spacing: inherit; }

.calc-intro__lead {
  margin: 0;
  max-width: 640px;
  font: 400 18px/1.55 'Geist', sans-serif;
  color: var(--graphite-750);
}

/* ── Calculator layout ──────────────────────────────────────────────────── */

.calc {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4.2vw, 60px) clamp(64px, 8vw, 112px);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}

/* ── 01 Program inputs ──────────────────────────────────────────────────── */

.calc-form {
  flex: 1 1 380px;
  min-width: 0;
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  border: 1px solid var(--ink-a12);
  border-radius: var(--radius-l);
  background: var(--graphite-0);
}

.calc-form__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calc-form__reset {
  height: 36px;
  padding: 0 10px;
  border: 0;
  background: none;
  color: var(--graphite-900);
  font: 500 13px/1 'Geist', sans-serif;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-field__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.calc-field__label { font: 500 15px/1.3 'Geist', sans-serif; }

.calc-field__hint {
  font: 400 12px/1 'Geist Mono', monospace;
  color: var(--graphite-500);
}

.calc-field__controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.calc-field__range {
  flex: 1;
  min-width: 0;
  height: 28px;
  accent-color: var(--graphite-900);
}

.calc-field__box {
  flex: none;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--ink-a24);
  border-radius: var(--radius-m);
}
.calc-field__box:focus-within,
.assumptions__box:focus-within { border-color: var(--graphite-900); }

.calc-field__number,
.assumptions__input {
  border: 0;
  outline: 0;
  text-align: right;
}

.calc-field__number {
  width: 64px;
  font: 500 16px/1 'Geist', sans-serif;
  font-variant-numeric: tabular-nums;
}

/* ── 02 Result panel ────────────────────────────────────────────────────── */

.calc-output {
  flex: 1.4 1 520px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-result {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 28px;
  border-radius: var(--radius-l);
  background: var(--graphite-950);
  color: var(--graphite-mist);
}

/* Decorative concentric rings, top right */
.calc-result__ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.calc-result__ring--outer {
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(82, 224, 168, .14);
}
.calc-result__ring--inner {
  right: -60px;
  top: -60px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(232, 236, 234, .08);
}

.calc-result__headline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-result__total {
  font: 500 clamp(56px, 2rem + 5vw, 120px)/.95 'Geist', sans-serif;
  letter-spacing: -.05em;
  font-variant-numeric: tabular-nums;
}

.calc-result__range {
  font: 400 15px/1.4 'Geist', sans-serif;
  color: var(--mist-300);
}

.calc-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
  border-top: 1px solid rgba(232, 236, 234, .14);
}

.calc-metric {
  padding: 18px 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calc-metric__label {
  font: 500 11px/1 'Geist Mono', monospace;
  letter-spacing: .08em;
  color: var(--mist-400);
}

.calc-metric__value {
  font: 500 32px/1 'Geist', sans-serif;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.calc-metric__unit {
  margin-left: 4px;
  font: 500 13px 'Geist Mono', monospace;
  color: var(--mist-400);
}

.calc-metric__text {
  font: 400 13px/1.35 'Geist', sans-serif;
  color: var(--mist-300);
}

.calc-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Acquisition model switch (radio group) */
.model-switch {
  align-self: flex-start;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--mist-a20);
  border-radius: var(--radius-pill);
}

.model-switch__option {
  height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--mist-300);
  font: 500 13px/1 'Geist', sans-serif;
  cursor: pointer;
}

.model-switch__option[aria-checked="true"] {
  background: var(--graphite-mist);
  color: var(--graphite-950);
}

.calc-result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 8px;
}

/* Scrub-glow CTA on the dark panel */
.calc-result__cta {
  --button-primary-bg: var(--scrub-300);
  --button-primary-bg-hover: #7BEBC0;
  --button-primary-fg: var(--graphite-900);
  gap: 10px;
}

/* ── 03 Report by email ─────────────────────────────────────────────────── */

.report {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid var(--ink-a12);
  border-radius: var(--radius-l);
  background: var(--graphite-0);
}

/* The form state's parts join the card's flex column directly */
.report__form-state { display: contents; }

.report__title { font: 500 20px/1.3 'Geist', sans-serif; }

.report__form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.report__field {
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.report__input {
  height: 52px;
  padding: 0 14px;
  border: 1px solid var(--ink-a24);
  border-radius: var(--input-radius);
  font: 400 16px/1 'Geist', sans-serif;
}
.report__input[aria-invalid="true"] { border-color: var(--status-high-fg); }

.report__submit {
  height: 52px;
  padding: 0 22px;
  background: var(--graphite-0);
  font-size: 16px;
}

.report__help {
  font: 400 13px/1.4 'Geist', sans-serif;
  color: var(--graphite-500);
}
.report__help.is-error { color: var(--status-high-fg); }

.report__sent {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.report__check {
  flex: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--status-success-bg);
  color: var(--status-success-fg);
  font: 600 16px/1 'Geist', sans-serif;
}

.report__sent-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.report__sent-title { font: 500 18px/1.3 'Geist', sans-serif; }

.report__sent-text {
  font: 400 14px/1.45 'Geist', sans-serif;
  color: var(--graphite-600);
}

/* ── Assumptions table ──────────────────────────────────────────────────── */

.assumptions {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4.2vw, 60px) clamp(72px, 9vw, 128px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.assumptions__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink-a12);
}

.assumptions__note {
  font: 400 13px/1 'Geist Mono', monospace;
  color: var(--graphite-500);
}

.assumptions__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ink-a12);
  border-radius: var(--radius-l);
  background: var(--graphite-0);
}

.assumptions__table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font: 400 14px/1.4 'Geist', sans-serif;
}

.assumptions__table thead tr {
  text-align: left;
  font: 500 11px/1 'Geist Mono', monospace;
  letter-spacing: .08em;
  color: var(--graphite-500);
}

.assumptions__table th {
  padding: 14px 20px;
  border-bottom: 1px solid var(--ink-a10);
}

.assumptions__table td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--ink-a07);
}

.assumptions__table .assumptions__value { padding-top: 8px; padding-bottom: 8px; }
.assumptions__name { font-weight: 500; }

.assumptions__source {
  font: 400 12px/1.4 'Geist Mono', monospace;
  color: var(--graphite-600);
}

.assumptions__box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--ink-a20);
  border-radius: var(--radius-m);
}

.assumptions__input {
  width: 56px;
  font: 500 15px/1 'Geist', sans-serif;
  font-variant-numeric: tabular-nums;
}

.assumptions__disclaimer {
  font: 400 12px/1.5 'Geist Mono', monospace;
  color: var(--graphite-500);
}