/* ============================================================
   LIFE OVERDRIVE — tool-page.css
   Tool page layout, inputs, results, FAQ, Also Try
   ============================================================ */

/* ── PAGE HERO ──────────────────────────────────────────── */
.tool-hero {
  position: relative;
  z-index: 1;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  padding: 36px 2rem 32px;
}

.tool-hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.tool-hero__icon {
  width: 52px;
  height: 52px;
  background: var(--theme-light);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 4px;
}

.tool-hero__text {}

.tool-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--theme-color);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.tool-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  color: var(--ink);
  margin-bottom: 10px;
}

.tool-hero__desc {
  font-size: 16px;
  font-weight: 300;
  color: var(--ink-mid);
  max-width: 580px;
  line-height: 1.7;
}

/* ── TWO-COLUMN LAYOUT ──────────────────────────────────── */
.tool-layout {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 2rem 0;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 32px;
  align-items: start;
}

/* ── LEFT PANEL (WIDGET) ────────────────────────────────── */
.tool-panel {
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-mid) transparent;
}

.tool-panel::-webkit-scrollbar {
  width: 4px;
}

.tool-panel::-webkit-scrollbar-track {
  background: transparent;
}

.tool-panel::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: 2px;
}

.tool-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tool-widget__header {
  background: var(--theme-light);
  border-bottom: 1px solid var(--theme-border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-widget__header-icon {
  font-size: 18px;
}

.tool-widget__header-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--theme-color);
}

.tool-widget__body {
  padding: 20px;
}

/* ── FORM ELEMENTS ──────────────────────────────────────── */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 7px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--bg-mid);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  appearance: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--theme-color);
  background: var(--bg-card);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a5652' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 34px;
}

.form-hint {
  font-size: 11px;
  color: var(--ink-mid);
  margin-top: 5px;
  line-height: 1.5;
}

/* Radio / toggle groups */
.radio-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.radio-option {
  flex: 1;
  min-width: 60px;
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-option label {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  background: var(--bg-mid);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mid);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  padding: 0 8px;
}

.radio-option input[type="radio"]:checked + label {
  background: var(--theme-light);
  border-color: var(--theme-color);
  color: var(--theme-color);
  font-weight: 600;
}

.radio-option label:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
}

/* Slider */
.slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-wrap input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-mid);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  background: var(--theme-color);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.1s;
}

.slider-wrap input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--theme-color);
  min-width: 48px;
  text-align: right;
}

/* Section divider within form */
.form-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}

/* Calculate button */
.calc-btn {
  width: 100%;
  height: 48px;
  background: var(--theme-color);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.calc-btn:hover { opacity: 0.88; }
.calc-btn:active { transform: scale(0.98); }
.calc-btn.loading { opacity: 0.6; pointer-events: none; }

/* ── RIGHT COLUMN ───────────────────────────────────────── */
.tool-content {}

/* Results area */
.results-area {
  min-height: 120px;
  margin-bottom: 32px;
}

.results-empty {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  color: var(--ink-soft);
}

.results-empty__icon {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.3;
}

.results-empty p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* Primary result card */
.result-primary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--theme-color);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 12px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.result-primary.visible {
  opacity: 1;
  transform: translateY(0);
}

.result-primary__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 8px;
}

.result-primary__value {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  line-height: 1;
  color: var(--theme-color);
  letter-spacing: -1px;
  margin-bottom: 6px;
}

.result-primary__sub {
  font-size: 13px;
  color: var(--ink-mid);
}

/* Secondary result cards grid */
.result-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 2px solid var(--theme-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.result-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.result-card__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 6px;
}

.result-card__value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.result-card__unit {
  font-size: 12px;
  color: var(--ink-mid);
  margin-top: 3px;
}

/* Result note / callout */
.result-note {
  background: var(--theme-light);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-mid);
  line-height: 1.6;
  margin-top: 10px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease 0.2s, transform 0.3s ease 0.2s;
}

.result-note.visible {
  opacity: 1;
  transform: translateY(0);
}

.result-note strong { color: var(--theme-color); }

/* ── EDITORIAL CONTENT ──────────────────────────────────── */
.editorial {
  position: relative;
  z-index: 1;
}

.editorial h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 32px);
  text-transform: uppercase;
  letter-spacing: -0.3px;
  color: var(--ink);
  margin-bottom: 14px;
  margin-top: 36px;
}

.editorial h2:first-child { margin-top: 0; }

.editorial h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 10px;
  margin-top: 24px;
}

.editorial p {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.8;
  margin-bottom: 14px;
}

.editorial ul, .editorial ol {
  margin: 0 0 14px 20px;
}

.editorial ul li, .editorial ol li {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.7;
  margin-bottom: 6px;
}

.editorial strong { color: var(--ink); font-weight: 600; }

.editorial a { color: var(--theme-color); }

/* ── FAQ ────────────────────────────────────────────────── */
.faq-section {
  margin-top: 40px;
}

.faq-section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 28px);
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s;
}

.faq-question:hover { color: var(--theme-color); }

.faq-question__icon {
  width: 22px;
  height: 22px;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--ink-soft);
  flex-shrink: 0;
  transition: all 0.2s;
  line-height: 1;
}

.faq-item.open .faq-question__icon {
  background: var(--theme-light);
  border-color: var(--theme-color);
  color: var(--theme-color);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 0 16px;
  font-size: 14px;
  color: var(--ink-mid);
  line-height: 1.8;
}

.faq-item.open .faq-answer { display: block; }

/* ── ALSO TRY ────────────────────────────────────────────── */
.also-try {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.also-try__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-mid);
  margin-bottom: 16px;
}

.also-try__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.also-try__link {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.also-try__link:hover {
  border-color: var(--theme-color);
  background: var(--theme-light);
  text-decoration: none;
}

.also-try__link-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.also-try__link-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tool-layout {
    grid-template-columns: 340px 1fr;
    gap: 24px;
  }
}

@media (max-width: 900px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .tool-panel {
    position: static;
  }

  .ad-slot--leaderboard {
    display: none;
  }
}

@media (max-width: 600px) {
  .tool-layout {
    padding: 24px 1rem 0;
  }

  .tool-hero {
    padding: 24px 1rem 20px;
  }

  .result-cards {
    grid-template-columns: 1fr 1fr;
  }

  .result-primary {
    padding: 20px;
  }

  .also-try__grid {
    grid-template-columns: 1fr 1fr;
  }
}