/* ── General Tool Layout ───────────────────────────────── */
.tool-page {
  padding: 48px 0 80px;
  min-height: 80vh;
}
.tool-hero {
  text-align: center;
  margin-bottom: 48px;
}
.tool-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  line-height: 1.2;
}
.tool-hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}
.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.35);
  color: #a78bfa;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

/* ── Mini CTA Bar ──────────────────────────────────────────── */
.mini-cta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(124,58,237,.08);
  border: 1px solid rgba(124,58,237,.22);
  border-radius: 999px;
  padding: 8px 20px;
  margin: -28px auto 28px;
  max-width: 560px;
  flex-wrap: wrap;
}
.mini-cta-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1;
}
.mini-cta-text strong { color: var(--text-primary); font-weight: 700; }
.mini-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-primary);
  padding: 5px 14px;
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity .2s, transform .2s;
  line-height: 1;
}
.mini-cta-link:hover { opacity: .88; transform: scale(1.03); }

/* ── Custom Tooltips ─────────────────────────────────── */
.custom-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
}
.help-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  cursor: help;
}
.custom-tooltip .tooltip-content {
  visibility: hidden;
  width: 240px;
  background-color: #1e293b;
  color: #f8fafc;
  text-align: left;
  border-radius: 8px;
  padding: 10px 14px;
  position: absolute;
  z-index: 50;
  bottom: 135%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}
.custom-tooltip .tooltip-content::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -6px;
  border-width: 6px;
  border-style: solid;
  border-color: #1e293b transparent transparent transparent;
}
.custom-tooltip:hover .tooltip-content {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Container Grid ──────────────────────────────────── */
.warmup-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
  margin-bottom: 48px;
}
@media (max-width: 900px) {
  .warmup-container { grid-template-columns: 1fr; }
}

/* ── Panels ──────────────────────────────────────────── */
.panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  background: rgba(255,255,255,.02);
  border-bottom: 1px solid var(--border);
}
.panel-title {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel-title .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gradient-primary);
}
.panel-body {
  padding: 24px 20px;
  flex: 1;
}
.panel-footer {
  padding: 16px 20px;
  background: rgba(255,255,255,.02);
  border-top: 1px solid var(--border);
}

/* ── Settings Inputs ─────────────────────────────────── */
.input-group {
  margin-bottom: 24px;
}
.input-label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}
.slider-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.range-slider {
  width: 100%;
  cursor: pointer;
  accent-color: #a78bfa;
}
.slider-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  text-align: right;
}

.custom-select-wrapper select {
  width: 100%;
  background: rgba(0,0,0,0.2) !important;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  transition: all 0.2s;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a78bfa' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
}
.custom-select-wrapper select:focus {
  border-color: #a78bfa;
}

.strategy-selector {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.strategy-btn {
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  color: var(--text-primary);
}
.strategy-btn small {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.75rem;
}
.strategy-btn:hover {
  background: rgba(255,255,255,0.05);
}
.strategy-btn.active {
  border-color: #a78bfa;
  background: rgba(167,139,250,0.1);
  box-shadow: 0 0 0 1px #a78bfa;
}

.btn-calculate {
  width: 100%;
  background: var(--gradient-primary);
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: all .2s;
}
.btn-calculate:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(124,58,237,.4);
}

.btn-action {
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .2s;
}
.btn-action:hover {
  background: rgba(255,255,255,.1);
}

/* ── Results Output ──────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-icon {
  width: 48px;
  height: 48px;
  color: rgba(255,255,255,0.1);
  margin-bottom: 16px;
}
.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (max-width: 900px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
}
.summary-box {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}
.summary-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.summary-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #a78bfa;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.schedule-table th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(255,255,255,.03);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}
.schedule-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,.05);
  color: var(--text-muted);
}
.schedule-table tr:hover td {
  background: rgba(255,255,255,0.02);
}
.val-bold {
  color: var(--text-primary);
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
}
.status-warming { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.status-ready { background: rgba(16, 185, 129, 0.15); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.3); }
.status-recovering { background: rgba(239, 68, 68, 0.15); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.3); }

/* Tips */
.tips-box {
  background: rgba(124, 58, 237, 0.05);
  border: 1px solid rgba(124, 58, 237, 0.2);
  border-radius: 8px;
  padding: 16px;
}
.tips-title {
  font-size: .85rem;
  font-weight: 700;
  color: #a78bfa;
  margin-bottom: 10px;
  display: flex;
  gap: 6px;
  align-items: center;
}
.tips-list {
  margin: 0;
  padding-left: 18px;
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.tips-list li { margin-bottom: 6px; }

/* ── SEO Blocks ─────────────────────────────────────── */
/* ── SEO Blocks ─────────────────────────────────────── */
.seo-content-block {
  max-width: 800px;
  margin: 64px auto 0;
}
.seo-content-block h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 52px 0 24px;
  padding-left: 18px;
  position: relative;
  letter-spacing: -.02em;
}
.seo-content-block h2::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(to bottom, #7c3aed, #a78bfa);
}
.seo-content-block h2:first-of-type { margin-top: 12px; }
.seo-content-block h3 {
  font-size: .97rem;
  font-weight: 700;
  color: #c4b5fd;
  margin: 28px 0 8px;
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: .01em;
}
.seo-content-block h3::before {
  content: '';
  display: inline-flex;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  box-shadow: 0 0 8px rgba(124,58,237,.5);
  flex-shrink: 0;
}
.seo-content-block p {
  color: rgba(255,255,255,.62);
  line-height: 1.85;
  margin-bottom: 14px;
  font-size: .94rem;
}
.seo-content-block ul {
  list-style: none;
  padding-left: 0;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.seo-content-block ul li {
  position: relative;
  padding-left: 22px;
  color: rgba(255,255,255,.62);
  line-height: 1.8;
  font-size: .94rem;
}
.seo-content-block ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  box-shadow: 0 0 6px rgba(124,58,237,.4);
}
.seo-content-block ul li strong { color: var(--text-primary); font-weight: 700; }
.seo-content-block p strong { color: var(--text-primary); font-weight: 700; }
.seo-content-block p a { color: #a78bfa; text-underline-offset: 3px; }
.seo-content-block p a:hover { color: #c4b5fd; }
.seo-content-block p code,
.seo-content-block li code {
  background: rgba(124,58,237,.13);
  border: 1px solid rgba(124,58,237,.22);
  border-radius: 5px;
  padding: 1px 7px;
  font-size: .82rem;
  color: #c4b5fd;
  font-family: 'Courier New', monospace;
}

/* ── FAQ Accordion ─────────────────────────────────────────── */
.faq-list { 
  margin-top: 24px; 
  display: flex; 
  flex-direction: column; 
  gap: 12px; 
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(17, 24, 39, 0.4);
  backdrop-filter: blur(10px);
}
.faq-item:hover {
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(17, 24, 39, 0.6);
}
.faq-item.open {
  border-color: rgba(139, 92, 246, 0.5);
  background: rgba(17, 24, 39, 0.8);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  user-select: none;
  transition: all 0.2s;
}
.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(255, 255, 255, 0.03);
  line-height: 1;
}
.faq-item.open .faq-icon {
  border-color: var(--accent-purple);
  color: #fff;
  background: var(--accent-purple);
  transform: rotate(45deg);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 28px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-answer { 
  max-height: 800px; 
  padding: 0 28px 28px; 
}
.faq-answer code {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: .83rem;
  font-family: 'Courier New', monospace;
}

/* ── Final CTA ────────────────────────────────────────────── */
.tool-cta {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  margin-top: 48px;
}
.btn-convert {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .25s;
  box-shadow: 0 4px 20px rgba(124,58,237,.4);
}
.btn-convert:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,58,237,.55);
}