/* =========================================================================
   Dog Life Expectancy Calculator — Tool Stylesheet
   ========================================================================= */

.tool-hero {
  padding: 88px 0 40px;
  background:
    radial-gradient(620px 320px at 85% 10%, var(--color-primary-tint), transparent 60%),
    radial-gradient(500px 300px at 0% 100%, var(--color-accent-soft), transparent 55%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-line);
}
.tool-hero__badges { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tool-hero__badge {
  font-size: 0.78rem;
  padding: 6px 12px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-ink-soft);
}
.tool-hero h1 { max-width: 22ch; margin-bottom: 14px; }
.tool-hero__lead { font-size: 1.12rem; color: var(--color-ink-soft); max-width: 60ch; }

.tool-shell {
  padding: 48px 0 80px;
}
.tool-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 36px;
  align-items: start;
}
@media (max-width: 980px) { .tool-grid { grid-template-columns: 1fr; } }

/* ---- Form panel ---- */
.tool-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}
.tool-panel h2 { font-size: 1.35rem; margin-bottom: 6px; }
.tool-panel__lead { color: var(--color-ink-soft); font-size: 0.96rem; margin-bottom: 24px; }

.example-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}
@media (max-width: 720px) { .example-row { grid-template-columns: 1fr 1fr; } }
.example-btn {
  background: var(--color-bg-deep);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: background .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease);
}
.example-btn:hover { background: var(--color-primary-tint); border-color: var(--color-primary-soft); transform: translateY(-1px); }
.example-btn__title { font-weight: 600; font-size: 0.92rem; color: var(--color-ink); margin-bottom: 4px; }
.example-btn__meta { font-size: 0.78rem; color: var(--color-muted); line-height: 1.4; }

.fieldset { border: none; padding: 0; margin: 0 0 22px; }
.fieldset legend {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 14px;
  padding: 0;
}
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 540px) { .field-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field__label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink);
  display: flex; justify-content: space-between; align-items: baseline;
}
.field__label span { font-size: 0.74rem; color: var(--color-muted); font-weight: 500; letter-spacing: 0.04em; }
.field__hint { font-size: 0.82rem; color: var(--color-muted); margin: 0; line-height: 1.45; }
.field select, .field input {
  padding: 11px 12px;
  font-family: var(--font-body); font-size: 0.98rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
  appearance: none; -webkit-appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234a544f' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
.field select:focus, .field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.field input.is-invalid { border-color: var(--color-danger); box-shadow: 0 0 0 3px #f3d0c4; }

.tool-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

/* ---- Result panel ---- */
.result-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: sticky;
  top: 100px;
  box-shadow: var(--shadow-soft);
  min-height: 320px;
}
@media (max-width: 980px) { .result-panel { position: static; } }

.result-panel--empty {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 56px 32px;
}
.result-panel--empty .pictogram {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin: 0 auto 18px;
}
.result-panel--empty h2 { font-size: 1.3rem; margin-bottom: 8px; }
.result-panel--empty p { color: var(--color-ink-soft); max-width: 32ch; margin: 0 auto; }

.result-headline {
  text-align: center;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: 22px;
}
.result-headline__label {
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-primary); font-weight: 600; margin-bottom: 10px;
}
.result-headline__value {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  color: var(--color-ink);
  line-height: 1;
  margin-bottom: 8px;
}
.result-headline__value .unit { font-size: 1rem; color: var(--color-muted); font-family: var(--font-body); font-weight: 500; margin-left: 6px; }
.result-headline__sub { font-size: 0.95rem; color: var(--color-ink-soft); }

.result-meter {
  margin-bottom: 24px;
}
.result-meter__bar {
  position: relative;
  height: 30px;
  background: linear-gradient(90deg, #f1e2c8 0%, #d7e3dc 55%, #b8d4c1 100%);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.result-meter__current {
  position: absolute;
  top: -4px; bottom: -4px;
  width: 4px;
  background: var(--color-accent);
  border-radius: 4px;
  transform: translateX(-50%);
}
.result-meter__current::after {
  content: "now";
  position: absolute;
  left: 50%;
  top: -22px;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}
.result-meter__range {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  height: 12px;
  background: var(--color-primary);
  border-radius: 999px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.result-meter__scale {
  display: flex; justify-content: space-between;
  margin-top: 10px;
  font-size: 0.78rem; color: var(--color-muted);
}

.result-summary {
  padding: 18px 20px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
  margin-bottom: 22px;
}
.result-summary p { margin: 0; font-size: 0.96rem; color: var(--color-ink); line-height: 1.6; }

.result-breakdown { margin-bottom: 22px; }
.result-breakdown h3 { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted); font-weight: 600; margin-bottom: 14px; font-family: var(--font-body); }
.factor-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px; align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 0.94rem;
}
.factor-row:last-child { border-bottom: none; }
.factor-row__name { color: var(--color-ink); }
.factor-row__name small { display: block; color: var(--color-muted); font-size: 0.78rem; margin-top: 2px; }
.factor-row__effect {
  font-family: var(--font-display);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.9rem;
  min-width: 64px; text-align: center;
}
.factor-row__effect.pos { background: var(--color-primary-tint); color: var(--color-primary-dark); }
.factor-row__effect.neg { background: #f9e3da; color: var(--color-danger); }
.factor-row__effect.neu { background: var(--color-bg-deep); color: var(--color-muted); }

.result-actions {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 8px;
}
.result-actions .btn { padding: 10px 18px; font-size: 0.92rem; }

.result-disclaimer {
  margin-top: 22px;
  padding: 14px 16px;
  background: #fbf3df;
  border-left: 3px solid var(--color-warn);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #6b5400;
  line-height: 1.5;
}

/* ---- Animation entry for result ---- */
.result-show > * { opacity: 0; transform: translateY(8px); animation: rise .55s var(--ease) forwards; }
.result-show > *:nth-child(1) { animation-delay: 0.00s; }
.result-show > *:nth-child(2) { animation-delay: 0.07s; }
.result-show > *:nth-child(3) { animation-delay: 0.14s; }
.result-show > *:nth-child(4) { animation-delay: 0.21s; }
.result-show > *:nth-child(5) { animation-delay: 0.28s; }
.result-show > *:nth-child(6) { animation-delay: 0.35s; }
.result-show > *:nth-child(7) { animation-delay: 0.42s; }

/* ---- Guide / FAQ sections ---- */
.guide-section { padding: 64px 0; background: var(--color-surface-alt); border-top: 1px solid var(--color-line); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 880px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-step {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}
.guide-step__num {
  position: absolute; top: 22px; right: 22px;
  font-family: var(--font-display);
  font-size: 2.4rem; color: var(--color-primary-tint); line-height: 1;
}
.guide-step h3 { font-size: 1.15rem; margin-bottom: 10px; max-width: 14ch; }
.guide-step p { color: var(--color-ink-soft); font-size: 0.95rem; margin: 0; }

.faq-section { padding: 80px 0; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-line);
  padding: 4px 0;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-ink);
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  transition: color .15s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.8rem;
  color: var(--color-primary);
  transition: transform .25s var(--ease);
  line-height: 1;
}
.faq-item[open] summary { color: var(--color-primary); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__answer { padding: 0 4px 22px; color: var(--color-ink-soft); line-height: 1.7; }
.faq-item__answer p { margin: 0 0 0.8em; }
.faq-item__answer p:last-child { margin-bottom: 0; }

/* ---- Print styles for export ---- */
@media print {
  .site-header, .site-footer, .tool-hero__badges, .example-row,
  .tool-actions, .result-actions, .guide-section, .faq-section,
  .nav-toggle, .cta-banner { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .tool-grid { grid-template-columns: 1fr !important; }
  .tool-panel, .result-panel { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
  .result-panel { position: static !important; }
  a { color: #000; text-decoration: none; }
}

/* =========================================================================
   RESPONSIVE POLISH — tool page specific (≤480px)
   ========================================================================= */
@media (max-width: 480px) {
  .tool-hero { padding-top: 48px; padding-bottom: 48px; }
  .tool-hero h1 { font-size: clamp(1.7rem, 7.5vw, 2.2rem); line-height: 1.1; }
  .tool-hero__lead { font-size: 1rem; }
  .tool-hero__badge { font-size: 0.78rem; padding: 5px 11px; }

  .tool-panel { padding: 24px 22px; border-radius: 18px; }
  .tool-panel h2 { font-size: 1.2rem; }

  /* Example buttons stack to 1 column on small mobile */
  .example-row { grid-template-columns: 1fr !important; }
  .example-btn { padding: 14px 16px; }
  .example-btn__title { font-size: 0.95rem; }
  .example-btn__meta { font-size: 0.84rem; }

  .fieldset { padding: 18px 16px; }
  .fieldset legend { font-size: 0.92rem; }

  .field__label { font-size: 0.94rem; }
  .field__label span { font-size: 0.74rem; }
  .field__hint { font-size: 0.82rem; }
  .field input, .field select { padding: 12px 14px; font-size: 0.96rem; }

  .tool-actions { flex-direction: column; gap: 10px; }
  .tool-actions .btn { width: 100%; text-align: center; justify-content: center; }

  .result-panel { padding: 24px 22px; }
  .result-headline { font-size: 1.5rem; }

  .guide-step { padding: 22px 20px; }
  .guide-step h3 { font-size: 1.06rem; }
}