/* ============================================
   EMI Reality Check — Design tokens
   ============================================ */
:root {
  /* Palette */
  --color-bg: #F5F6F2;
  --color-surface: #FFFFFF;
  --color-ink: #14181F;
  --color-ink-soft: #565D6B;
  --color-line: #E4E5DE;
  --color-accent: #D99A2B;      /* marigold — primary brand accent */
  --color-accent-ink: #5C3D0A;

  /* Risk system — the color IS the data here, used deliberately */
  --risk-comfortable: #2F9E64;
  --risk-comfortable-bg: #E7F5EC;
  --risk-manageable: #C98A1F;
  --risk-manageable-bg: #FBF1DD;
  --risk-high: #D97B3B;
  --risk-high-bg: #FCEDE1;
  --risk-veryhigh: #C8483F;
  --risk-veryhigh-bg: #FBEAE8;

  /* Type */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Radius / shadow */
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 1px 2px rgba(20, 24, 31, 0.04), 0 8px 24px rgba(20, 24, 31, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

button { font-family: inherit; }
input, select { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   App shell / screen switching
   ============================================ */
.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
}

.screen {
  display: none;
  min-height: 100vh;
  padding: 28px 24px 40px;
  flex-direction: column;
}

.screen.is-active {
  display: flex;
}

/* ============================================
   Landing
   ============================================ */
.landing {
  margin: auto 0;
  padding: 20px 0;
}

.landing__kicker {
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 0 0 12px;
}

.landing__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.landing__sub {
  font-size: 19px;
  line-height: 1.4;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0 0 14px;
}

.landing__desc {
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-ink-soft);
  margin: 0 0 32px;
  max-width: 42ch;
}

.landing__trust {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--color-ink-soft);
  text-align: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  appearance: none;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 22px;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  touch-action: manipulation;
}

.btn:active { transform: scale(0.98); }

.btn--block { width: 100%; }

.btn--primary {
  background: var(--color-ink);
  color: #FFFFFF;
}
.btn--primary:hover { opacity: 0.92; }

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border: 1.5px solid var(--color-line);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink-soft);
  border: 1.5px solid var(--color-line);
}

.btn--whatsapp {
  background: #25D366;
  color: #08341C;
}

.step__actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 24px;
}
.step__actions .btn--primary { flex: 1; }
.step__actions .btn--ghost { flex: 0 0 auto; }

/* ============================================
   Steps / progress
   ============================================ */
.progress {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.progress__dot {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: var(--color-line);
}
.progress__dot.is-active { background: var(--color-ink); }
.progress__dot.is-done { background: var(--color-accent); }

.step {
  flex: 1;
}

.step__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 26px;
  line-height: 1.25;
  margin: 0 0 28px;
  max-width: 20ch;
}

/* ============================================
   Fields
   ============================================ */
.field {
  display: block;
  margin-bottom: 8px;
}

.field--tight { margin-bottom: 14px; }

.field__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink-soft);
  margin-bottom: 8px;
}

.field__input-wrap {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 4px 16px;
  transition: border-color 0.15s ease;
}

.field__input-wrap:focus-within {
  border-color: var(--color-ink);
}

.field__input-wrap--split {
  gap: 10px;
}

.field__prefix, .field__suffix {
  font-size: 20px;
  color: var(--color-ink-soft);
  font-weight: 500;
}

.field__input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 22px;
  font-weight: 600;
  padding: 14px 8px;
  width: 100%;
  color: var(--color-ink);
  font-family: var(--font-display);
}

.field__select {
  border: none;
  background: transparent;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-ink);
  padding: 14px 4px;
  outline: none;
}

.field__hint {
  font-size: 13px;
  color: var(--color-ink-soft);
  margin: 10px 0 0;
}

.field__error {
  font-size: 13px;
  color: var(--risk-veryhigh);
  margin: 10px 0 0;
  min-height: 0;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 15px;
  color: var(--color-ink-soft);
  cursor: pointer;
}
.checkbox input { width: 18px; height: 18px; accent-color: var(--color-ink); }

.link-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--color-line);
  text-underline-offset: 3px;
  padding: 20px 0 4px;
  cursor: pointer;
  text-align: left;
}

.calc-box {
  margin-top: 16px;
  padding: 18px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
}

.calc-box__result {
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 12px 0 0;
  min-height: 18px;
}
.calc-box__result strong { color: var(--color-ink); }

/* ============================================
   Result screen
   ============================================ */
.screen--result { padding-top: 20px; }

.result {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.result__badge {
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 24px;
  animation: rise 0.5s ease both;
}

.result__risk-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.score {
  position: relative;
  width: 160px;
  height: 160px;
  margin-bottom: 12px;
  animation: rise 0.5s ease 0.05s both;
}

.score__ring { transform: rotate(-90deg); }
.score__ring-track {
  fill: none;
  stroke: var(--color-line);
  stroke-width: 10;
}
.score__ring-fill {
  fill: none;
  stroke: var(--color-ink);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 439.8;
  stroke-dashoffset: 439.8;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.16, 1, 0.3, 1), stroke 0.4s ease;
}

.score__value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score__number {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
}
.score__max {
  font-size: 13px;
  color: var(--color-ink-soft);
  margin-top: 2px;
}

.score__label {
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 6px;
}

.score__explain {
  font-size: 13px;
  color: var(--color-ink-soft);
  max-width: 32ch;
  margin: 0 0 28px;
}

.breakdown {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 6px 20px;
  margin-bottom: 20px;
  animation: rise 0.5s ease 0.1s both;
}

.breakdown__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 15px;
  text-align: left;
}
.breakdown__row span { color: var(--color-ink-soft); }
.breakdown__row strong { font-weight: 600; }
.breakdown__row:last-child { border-bottom: none; }

.breakdown__row--total strong { font-family: var(--font-display); font-size: 17px; }
.breakdown__row--ratio strong { color: var(--color-accent-ink); }

.risk__message {
  font-size: 15px;
  line-height: 1.5;
  max-width: 34ch;
  margin: 0 0 6px;
}

.risk__note {
  font-size: 12px;
  color: var(--color-ink-soft);
  margin: 0 0 28px;
}

.card {
  width: 100%;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 16px;
  text-align: left;
}

.card__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 16px;
}

.recommend__grid {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.recommend__grid > div { flex: 1; }

.recommend__label {
  display: block;
  font-size: 12px;
  color: var(--color-ink-soft);
  margin-bottom: 4px;
}

.recommend__value {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  display: block;
}

.recommend__diff {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-ink);
  background: #FBF1DD;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin: 0 0 12px;
  display: inline-block;
}

.recommend__basis {
  font-size: 12px;
  color: var(--color-ink-soft);
  margin: 0;
  line-height: 1.5;
}

.whatif__slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.whatif__bound {
  font-size: 12px;
  color: var(--color-ink-soft);
  flex: 0 0 auto;
}

.whatif__slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--color-line);
  outline: none;
}
.whatif__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-ink);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.whatif__slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-ink);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}

.whatif__current {
  text-align: center;
  font-size: 14px;
  color: var(--color-ink-soft);
  margin: 14px 0 18px;
}
.whatif__current strong { color: var(--color-ink); font-family: var(--font-display); font-size: 16px; }

.whatif__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

.whatif__stat {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.whatif__stat span {
  display: block;
  font-size: 11px;
  color: var(--color-ink-soft);
  margin-bottom: 4px;
}
.whatif__stat strong {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}

.whatif__risk {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  margin: 0;
}

.summary__text {
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 18px;
}

.summary__verdict {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--color-line);
}
.summary__verdict span {
  font-size: 13px;
  color: var(--color-ink-soft);
}
.summary__verdict strong {
  font-family: var(--font-display);
  font-size: 16px;
}

.share {
  width: 100%;
  margin-bottom: 16px;
  text-align: left;
}
.share__buttons {
  display: flex;
  gap: 12px;
}
.share__buttons .btn { flex: 1; }
.share__copied {
  font-size: 13px;
  color: var(--risk-comfortable);
  margin: 10px 0 0;
  text-align: center;
}

.disclaimer {
  font-size: 12px;
  line-height: 1.6;
  color: var(--color-ink-soft);
  border-top: 1px solid var(--color-line);
  padding-top: 18px;
  margin: 8px 0 0;
  text-align: left;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Responsive — tablet / desktop
   ============================================ */
@media (min-width: 640px) {
  .app { max-width: 560px; }
  .screen { padding: 48px 40px 56px; }
  .landing__title { font-size: 52px; }
}

@media (min-width: 900px) {
  .app {
    max-width: 640px;
    box-shadow: var(--shadow-card);
    margin: 32px auto;
    border-radius: 28px;
    overflow: hidden;
    min-height: calc(100vh - 64px);
    background: var(--color-bg);
  }
  .screen { min-height: calc(100vh - 64px); }
}

/* Keyboard focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}