/* ============================================================
   Billora Hub — Electricity Calculator Styles
   Loaded only on the calculator page via [billora_calculator].
   CSS variables and DM Sans font are defined in global.css.
   ============================================================ */

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Page wrapper ── */
.billora-calc-page {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 3rem 1rem 5rem;
}

.billora-calc-inner {
  max-width: 680px;
  margin: 0 auto;
}

/* ── Page header ── */
.calc-page-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.calc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
  background: var(--blue-light);
  padding: 5px 14px;
  border-radius: 99px;
  border: 1px solid var(--blue-border);
  margin-bottom: 1.1rem;
}

.calc-eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.calc-page-title {
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.18;
  margin-bottom: 0.8rem;
  letter-spacing: -0.03em;
}

.calc-page-title span {
  color: var(--blue);
}

.calc-page-sub {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Form card ── */
.calc-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-md);
}

/* ── Form rows ── */
.calc-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1.25rem;
}

.calc-field-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 7px;
}

.calc-people-group button {
  line-height: 1 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.calc-field select {
  width: 100%;
  padding: 11px 36px 11px 14px;
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font);
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  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='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  transition: border-color 0.18s, box-shadow 0.18s;
}

.calc-field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

.calc-field select:hover {
  border-color: var(--border-strong);
}

.calc-field select option {
  background: #fff;
  color: var(--text-primary);
}

/* ── Segmented controls ── */
.calc-seg-wrap {
  margin-bottom: 1.25rem;
}

.calc-seg-group {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.calc-seg-group button {
  flex: 1;
  min-width: 60px;
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  background: var(--bg-muted);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.calc-seg-group button:hover {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue-border);
}

.calc-seg-group button.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 2px 6px rgba(37,99,235,0.25);
}

.calc-people-group {
  display: flex;
  gap: 8px;
  margin-top: 2px;
}

.calc-people-group button {
  width: 48px;
  height: 44px;
  font-size: 15px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  background: var(--bg-muted);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.calc-people-group button:hover {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue-border);
}

.calc-people-group button.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 2px 6px rgba(37,99,235,0.25);
}

/* ── Calculate button ── */
.calc-submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font);
  letter-spacing: 0.01em;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-top: 0.25rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(37,99,235,0.30);
  transition: background 0.18s, box-shadow 0.18s, transform 0.1s;
}

.calc-submit-btn:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 14px rgba(37,99,235,0.38);
}

.calc-submit-btn:active {
  transform: scale(0.99);
}

.calc-submit-btn.loading {
  opacity: 0.75;
  pointer-events: none;
}

/* ── Loading spinner inside button ── */
.calc-submit-btn .spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

.calc-submit-btn.loading .btn-text { display: none; }
.calc-submit-btn.loading .spinner  { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Error message ── */
.calc-error {
  display: none;
  background: var(--red-bg);
  border: 1px solid var(--red-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--red-text);
  margin-top: 12px;
}

.calc-error.visible { display: block; }

/* ── Results section ── */
#billora-results {
  display: none;
  animation: fadeUp 0.4s ease;
}

#billora-results.visible { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* ── Result cards ── */
.result-cards {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.result-card {
  border-radius: var(--radius-md);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.result-card.expensive {
  background: var(--red-bg);
  border: 1.5px solid var(--red-border);
}

.result-card.cheaper {
  background: var(--green-bg);
  border: 1.5px solid var(--green-border);
}

.result-card.neutral {
  background: var(--bg-surface);
  border: 1.5px solid var(--border);
}

/* Badge */
.rc-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 8px;
}

.rc-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.expensive .rc-badge      { color: var(--red); }
.expensive .rc-badge-dot  { background: var(--red); }
.cheaper   .rc-badge      { color: var(--green); }
.cheaper   .rc-badge-dot  { background: var(--green); }
.neutral   .rc-badge      { color: var(--text-muted); }
.neutral   .rc-badge-dot  { background: var(--text-muted); }

.rc-state {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 5px;
}

.expensive .rc-state { color: var(--red-text); }
.cheaper   .rc-state { color: var(--green-text); }
.neutral   .rc-state { color: var(--text-secondary); }

.rc-bill {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.expensive .rc-bill { color: var(--red); }
.cheaper   .rc-bill { color: var(--green); }
.neutral   .rc-bill { color: var(--text-primary); }

.rc-meta {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.9;
}

/* ── Comparison bar ── */
.comparison-bar {
  background: var(--bg-muted);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  gap: 0;
  margin-bottom: 10px;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.cmp-stat {
  flex: 1;
  text-align: center;
  padding: 0 0.75rem;
}

.cmp-stat + .cmp-stat {
  border-left: 1.5px solid var(--border-strong);
}

.cmp-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.cmp-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  font-weight: 500;
}

/* ── Chart section ── */
.chart-wrap {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 10px;
  box-shadow: var(--shadow-sm);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.chart-toggle {
  display: flex;
  gap: 4px;
}

.chart-toggle button {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  border-radius: 6px;
  cursor: pointer;
  border: 1.5px solid var(--border);
  background: var(--bg-muted);
  color: var(--text-secondary);
  transition: all 0.15s;
}

.chart-toggle button.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.chart-toggle button:hover:not(.active) {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue-border);
}

.chart-legend {
  display: flex;
  gap: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.chart-canvas-wrap {
  position: relative;
  height: 200px;
}

/* ── Trust / meta ── */
.calc-meta {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 0.25rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.calc-meta a {
  color: var(--blue);
  text-decoration: none;
}

.calc-meta a:hover { text-decoration: underline; }

.result-section-label { margin-top: 0.5rem; }

/* ── Share bar ── */
.share-bar {
  margin-bottom: 10px;
}

.share-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--blue-light);
  border: 1.5px solid var(--blue-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.share-hint {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-text);
}

.share-btn {
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: var(--blue);
  border: none;
  border-radius: 6px;
  padding: 7px 14px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.share-btn:hover {
  background: var(--blue-dark);
}

/* ── Responsive ── */
@media (max-width: 560px) {
  .billora-calc-page {
    padding: 1.75rem 0.75rem 4rem;
  }

  .calc-form-card {
    padding: 1.25rem;
    border-radius: var(--radius-lg);
  }

  .calc-row-2 {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .calc-seg-group button {
    flex: 1 1 calc(33% - 6px);
    min-width: 50px;
    font-size: 12px;
    padding: 8px 6px;
  }

  .result-cards {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .rc-bill { font-size: 24px; }

  .comparison-bar {
    flex-direction: column;
    gap: 10px;
    padding: 1rem;
  }

  .cmp-stat {
    border-left: none !important;
    border-top: 1px solid var(--border-strong);
    padding-top: 10px;
    width: 100%;
  }

  .cmp-stat:first-child {
    border-top: none;
    padding-top: 0;
  }

  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .calc-page-title { letter-spacing: -0.02em; }
}

@media (max-width: 380px) {
  .calc-people-group button {
    width: 42px;
    height: 40px;
    font-size: 14px;
  }
}

/* ============================================================
   SEO TEXT BLOCK
   ============================================================ */

.billora-seo-block {
  background: #ffffff;
  border-top: 1px solid var(--border);
  padding: 56px 24px 72px;
  margin-top: 0;
}

.billora-seo-inner {
  max-width: 680px;
  margin: 0 auto;
}

.bseo-section {
  margin-bottom: 48px;
}

.bseo-section:last-child {
  margin-bottom: 0;
}

.bseo-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.bseo-section p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.bseo-section p:last-child {
  margin-bottom: 0;
}

.bseo-section a {
  color: var(--blue);
  text-decoration: none;
}

.bseo-section a:hover {
  text-decoration: underline;
}

/* FAQ items */
.bseo-faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.bseo-faq-item:last-child {
  border-bottom: none;
}

.bseo-faq-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.bseo-faq-item p {
  margin-bottom: 0;
}

@media (max-width: 560px) {
  .billora-seo-block {
    padding: 40px 20px 56px;
  }
}