/* ============================================
   SLEEP CALCULATOR — page styles
   Accent: rose/pink (#fb7185 dark / #e11d48 light) — Fitness & Health
   ============================================ */

/* ---- Page wrapper ---- */
.calc-page {
  position: relative; z-index: 1;
  max-width: 1380px; margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 500px;
  grid-template-rows: auto auto;
  gap: 48px; align-items: start;
}
.calc-page-info {
  position: static;
}

/* ---- Breadcrumb ---- */
.calc-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim); margin-bottom: 20px; flex-wrap: wrap;
}
.calc-breadcrumb a { color: var(--text-dim); transition: color var(--transition); }
.calc-breadcrumb a:hover { color: #fb7185; }
body.light-theme .calc-breadcrumb a:hover { color: #e11d48; }
.calc-breadcrumb i { font-size: 10px; }

/* ---- Category tag ---- */
.calc-page-tag {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 12px 4px 8px;
  background: rgba(225,29,72,0.08); border: 1px solid rgba(225,29,72,0.2);
  border-radius: 100px; font-size: 12px; font-weight: 600; color: #e11d48;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px;
}
body.dark-theme .calc-page-tag {
  background: rgba(251,113,133,0.10); border-color: rgba(251,113,133,0.26); color: #fb7185;
}

/* ---- Title ---- */
.calc-page-title {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(28px, 3.2vw, 44px); font-weight: 800;
  line-height: 1.1; letter-spacing: -1.5px; color: var(--text); margin-bottom: 16px;
}
.calc-page-title span { color: #e11d48; }
body.dark-theme .calc-page-title span { color: #fb7185; }
.calc-page-desc { font-size: 16px; line-height: 1.75; color: var(--text-muted); margin-bottom: 32px; }

/* ---- Feature pills ---- */
.calc-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.calc-feature-pill {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px; font-size: 13px; font-weight: 500; color: var(--text-muted);
}
.calc-feature-pill i { color: #e11d48; font-size: 12px; }
body.dark-theme .calc-feature-pill i { color: #fb7185; }

/* ---- Content blocks ---- */
.calc-page-content {
  margin-top: 0;
  min-width: 0;
}

.calc-page-content.fade-up {
  opacity: 1;
  transform: none;
  animation: none;
  transition: none;
  visibility: visible;
}
.content-block { margin-bottom: 40px; }
.content-block h2 {
  font-family: 'Bricolage Grotesque', sans-serif; font-size: 22px; font-weight: 700;
  letter-spacing: -0.5px; color: var(--text); margin-bottom: 14px;
}
.content-block p { font-size: 15px; line-height: 1.8; color: var(--text-muted); margin-bottom: 10px; }
.content-block strong { color: var(--text); font-weight: 600; }
.content-block em { color: var(--text-muted); font-style: italic; }

/* Sleep stage legend explainer */
.sleep-legend-explainer { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.sleep-legend-item { display: flex; align-items: flex-start; gap: 12px; }
.slc-dot {
  flex-shrink: 0; width: 12px; height: 12px; border-radius: 3px; margin-top: 3px;
}
.slc-light { background: rgba(148,163,184,0.7); }
.slc-deep  { background: #6366f1; }
.slc-rem   { background: #fb7185; }
body.light-theme .slc-rem { background: #e11d48; }
.slc-body { font-size: 14px; line-height: 1.65; color: var(--text-muted); }
.slc-body strong { color: var(--text); font-weight: 600; }

/* Age table */
.sleep-age-table-wrap {
  overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); margin: 14px 0;
}
.sleep-age-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sleep-age-table thead tr { background: var(--bg-3); }
.sleep-age-table th {
  padding: 9px 14px; text-align: left; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-dim);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.sleep-age-table td { padding: 9px 14px; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.sleep-age-table tbody tr:last-child td { border-bottom: none; }
.sleep-age-table tbody tr:nth-child(even) { background: var(--bg-2); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; background: transparent; border: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 15px; font-weight: 600;
  color: var(--text); text-align: left; transition: color var(--transition);
}
.faq-question:hover { color: #e11d48; }
body.dark-theme .faq-question:hover { color: #fb7185; }
.faq-question i {
  font-size: 12px; color: var(--text-dim); flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.faq-item.open .faq-question i { transform: rotate(180deg); color: #e11d48; }
body.dark-theme .faq-item.open .faq-question i { color: #fb7185; }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 14px; line-height: 1.75; color: var(--text-muted); padding: 0 18px;
}
.faq-item.open .faq-answer { max-height: 400px; padding: 0 18px 16px; }

/* Also search */
.also-search-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.also-search-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 100px;
  font-size: 13px; font-weight: 500; color: var(--text-muted); white-space: nowrap;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.also-search-chip:hover { background: rgba(225,29,72,0.07); border-color: #e11d48; color: #e11d48; }
body.dark-theme .also-search-chip:hover { background: rgba(251,113,133,0.10); border-color: #fb7185; color: #fb7185; }
.also-search-chip i { color: #e11d48; font-size: 12px; }
body.dark-theme .also-search-chip i { color: #fb7185; }

/* ============================================
   CALC CARD — 500px
   ============================================ */
.calc-panel { position: sticky; top: calc(var(--header-h, 68px) + 24px); }
.calc-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(251,113,133,0.05);
}
.calc-card-header {
  padding: 20px 24px 18px; background: var(--bg-2); border-bottom: 1px solid var(--border);
  display: none; align-items: center; gap: 12px;
}
@media (max-width: 1024px) { .calc-card-header { display: flex; } }
.calc-card-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(225,29,72,0.09); border: 1px solid rgba(225,29,72,0.22);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #e11d48; flex-shrink: 0;
}
body.dark-theme .calc-card-icon { background: rgba(251,113,133,0.10); border-color: rgba(251,113,133,0.26); color: #fb7185; }
.calc-card-header-text h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.calc-card-header-text p  { font-size: 12px; color: var(--text-dim); }
.calc-card-body { padding: 20px 22px 22px; }

/* ============================================
   MODE TABS
   ============================================ */
.slp-tabs {
  display: flex; background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 3px; gap: 3px; margin-bottom: 12px;
}
.slp-tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 8px; border-radius: 7px; border: none; background: transparent;
  cursor: pointer; font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 600;
  color: var(--text-dim);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.slp-tab i { font-size: 12px; }
.slp-tab:hover:not(.active) { background: var(--bg-2); color: var(--text-muted); }
.slp-tab.active {
  background: var(--surface); color: #e11d48;
  box-shadow: 0 1px 6px rgba(0,0,0,0.18), 0 0 0 1px rgba(225,29,72,0.22);
}
body.dark-theme .slp-tab.active {
  color: #fb7185;
  box-shadow: 0 1px 6px rgba(0,0,0,0.25), 0 0 0 1px rgba(251,113,133,0.28);
}

/* Mode hint */
.slp-mode-hint {
  display: flex; align-items: center; gap: 7px; padding: 8px 12px;
  background: var(--bg-3); border: 1px solid var(--border); border-radius: 7px;
  font-size: 12px; color: var(--text-dim); margin-bottom: 14px;
}
.slp-mode-hint i { color: #e11d48; flex-shrink: 0; font-size: 12px; }
body.dark-theme .slp-mode-hint i { color: #fb7185; }

/* ============================================
   INPUT PANELS
   ============================================ */
.slp-mode-panel { margin-bottom: 12px; }

/* Sleep Now toggle row */
.slp-now-row {
  display: flex; align-items: center; gap: 10px; margin-top: 10px;
  padding: 9px 12px; background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer;
}
.slp-now-btn {
  position: relative; width: 38px; height: 21px; border-radius: 11px;
  background: var(--bg-2); border: 1px solid var(--border); cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease; outline: none; flex-shrink: 0;
}
.slp-now-btn[aria-pressed="true"] { background: #e11d48; border-color: #e11d48; }
body.dark-theme .slp-now-btn[aria-pressed="true"] { background: #fb7185; border-color: #fb7185; }
.slp-now-knob {
  position: absolute; top: 3px; left: 3px; width: 13px; height: 13px;
  border-radius: 50%; background: var(--text-dim);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), background 0.3s ease;
}
.slp-now-btn[aria-pressed="true"] .slp-now-knob { transform: translateX(17px); background: #fff; }
.slp-now-label { font-size: 13px; font-weight: 500; color: var(--text-muted); user-select: none; }

/* Shared settings row */
.slp-settings-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }

/* Shared form atoms */
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-label {
  display: flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted);
}
.form-label i { color: #e11d48; font-size: 11px; }
body.dark-theme .form-label i { color: #fb7185; }
.form-input {
  width: 100%; padding: 10px 12px; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-family: 'DM Sans', sans-serif;
  font-size: 14px; outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield; appearance: none;
}
.form-input::-webkit-outer-spin-button,
.form-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.form-input:hover { border-color: var(--border-hover); }
.form-input:focus {
  border-color: #e11d48; box-shadow: 0 0 0 3px rgba(225,29,72,0.12);
}
body.dark-theme .form-input:focus {
  border-color: #fb7185; box-shadow: 0 0 0 3px rgba(251,113,133,0.15);
}
.form-input[type="time"] { cursor: text; }
.form-select { appearance: auto; cursor: pointer; }

/* Buttons */
.calc-btn-primary {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 14px 20px; background: var(--accent); color: #fff;
  font-family: 'Bricolage Grotesque', sans-serif; font-size: 16px; font-weight: 700;
  border: none; border-radius: var(--radius-sm); cursor: pointer; margin-bottom: 8px;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.calc-btn-primary::after { content:''; position:absolute; inset:0; background:#000; opacity:0; transition:opacity 0.15s; }
.calc-btn-primary:hover { box-shadow: 0 4px 20px rgba(225,29,72,0.35); }
body.dark-theme .calc-btn-primary:hover { box-shadow: 0 4px 20px rgba(251,113,133,0.35); }
.calc-btn-primary:hover::after { opacity:0.06; }
.calc-btn-primary:active { transform: scale(0.98); }

/* Use rose as accent for this page */
.calc-btn-primary {
  background: #e11d48;
}
body.dark-theme .calc-btn-primary { background: #fb7185; color: #0c0f1a; }

.slp-clear-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 9px 16px; background: transparent;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-dim); font-family: 'DM Sans', sans-serif;
  font-size: 13px; font-weight: 600; cursor: pointer; margin-bottom: 10px;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.slp-clear-btn:hover { background: var(--bg-3); border-color: var(--border-hover); color: var(--text); }

/* Error toast */
.calc-error {
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  background: rgba(225,29,72,0.08); border: 1px solid rgba(225,29,72,0.28);
  border-radius: var(--radius-sm); color: #e11d48;
  font-size: 14px; font-weight: 500; margin-bottom: 4px;
  opacity: 0; transform: translateY(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease; pointer-events: none;
}
body.dark-theme .calc-error { background: rgba(251,113,133,0.10); border-color: rgba(251,113,133,0.3); color: #fb7185; }
.calc-error.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ============================================
   RESULT CARD
   ============================================ */
.slp-result-card {
  margin-top: 14px; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.slp-result-card.show { opacity: 1; transform: translateY(0); }

/* Result header */
.slp-result-header {
  padding: 14px 18px 12px;
  background: linear-gradient(135deg, rgba(225,29,72,0.09) 0%, transparent 60%);
  border-bottom: 1px solid var(--border);
}
body.dark-theme .slp-result-header {
  background: linear-gradient(135deg, rgba(251,113,133,0.09) 0%, transparent 60%);
}
.slp-result-title {
  font-family: 'Bricolage Grotesque', sans-serif; font-size: 16px; font-weight: 700;
  color: var(--text); margin-bottom: 4px;
}
.slp-result-sub { font-size: 12px; color: var(--text-dim); }

/* ============================================
   SLEEP CYCLE TIMELINE
   ============================================ */
.slp-timeline-section {
  padding: 12px 16px 14px; border-bottom: 1px solid var(--border);
}
.slp-timeline-label {
  display: flex; align-items: center; gap: 7px; margin-bottom: 10px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: #e11d48;
}
body.dark-theme .slp-timeline-label { color: #fb7185; }
.slp-timeline-label i { font-size: 12px; }

.slp-timeline-track {
  display: flex; gap: 3px; align-items: stretch; height: 32px;
  border-radius: 8px; overflow: hidden; background: var(--bg-3);
  border: 1px solid var(--border);
}
.slp-cycle-bar {
  display: flex; flex: 1; min-width: 0; border-radius: 0;
  overflow: hidden;
  animation: slpBarIn 0.4s ease both;
}
@keyframes slpBarIn {
  from { opacity: 0; transform: scaleX(0.7); }
  to   { opacity: 1; transform: scaleX(1); }
}
.slp-cycle-bar:first-child { border-radius: 7px 0 0 7px; }
.slp-cycle-bar:last-child  { border-radius: 0 7px 7px 0; }

/* 3 segments per cycle: light, deep, rem */
.slp-seg { height: 100%; transition: opacity 0.3s ease; }
.slp-seg-light { background: rgba(148,163,184,0.55); }
body.dark-theme .slp-seg-light { background: rgba(148,163,184,0.4); }
.slp-seg-deep  { background: #6366f1; opacity: 0.85; }
.slp-seg-rem   { background: #fb7185; }
body.light-theme .slp-seg-rem { background: #e11d48; opacity: 0.80; }

/* timeline legend */
.slp-timeline-legend {
  display: flex; align-items: center; gap: 14px; margin-top: 8px;
  font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text-dim);
}
.slp-legend-dot { width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; }
.slp-leg-light { background: rgba(148,163,184,0.7); }
.slp-leg-deep  { background: #6366f1; }
.slp-leg-rem   { background: #fb7185; }
body.light-theme .slp-leg-rem { background: #e11d48; }

/* ============================================
   6 RESULT CARDS
   ============================================ */
.slp-cards-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
}
.slp-result-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; display: flex; flex-direction: column; gap: 6px;
  cursor: default; position: relative; overflow: hidden;
  opacity: 0; transform: translateY(10px);
  transition: border-color var(--transition), box-shadow var(--transition);
  animation: slpCardIn 0.4s ease both;
}
@keyframes slpCardIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.slp-result-item:hover { box-shadow: var(--shadow); border-color: var(--border-hover); }

/* Optimal highlight */
.slp-result-item.slp-optimal {
  border-color: #e11d48; background: rgba(225,29,72,0.04);
}
body.dark-theme .slp-result-item.slp-optimal {
  border-color: #fb7185; background: rgba(251,113,133,0.07);
}
.slp-result-item.slp-optimal::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, #e11d48, transparent);
}
body.dark-theme .slp-result-item.slp-optimal::before {
  background: linear-gradient(90deg, #fb7185, transparent);
}

/* Card internal layout */
.slp-card-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.slp-card-time {
  font-family: 'Bricolage Grotesque', sans-serif; font-size: 22px; font-weight: 800;
  color: var(--text); line-height: 1;
}
.slp-result-item.slp-optimal .slp-card-time { color: #e11d48; }
body.dark-theme .slp-result-item.slp-optimal .slp-card-time { color: #fb7185; }

/* Quality chip */
.slp-quality-chip {
  display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px;
  border-radius: 100px; font-size: 10px; font-weight: 700; white-space: nowrap;
  letter-spacing: 0.04em; flex-shrink: 0;
}
.slp-q-poor    { background: rgba(107,114,128,0.15); color: var(--text-dim); border: 1px solid var(--border); }
.slp-q-fair    { background: rgba(251,191,36,0.12);  color: #d97706; border: 1px solid rgba(251,191,36,0.3); }
body.dark-theme .slp-q-fair { color: #fbbf24; }
.slp-q-good    { background: rgba(52,211,153,0.12);  color: #059669; border: 1px solid rgba(52,211,153,0.28); }
body.dark-theme .slp-q-good { color: #34d399; }
.slp-q-optimal { background: rgba(225,29,72,0.10);   color: #e11d48; border: 1px solid rgba(225,29,72,0.28); }
body.dark-theme .slp-q-optimal { background: rgba(251,113,133,0.12); color: #fb7185; border-color: rgba(251,113,133,0.3); }

/* Card meta row */
.slp-card-meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-dim); }
.slp-card-cycles {
  display: flex; align-items: center; gap: 4px;
  font-family: 'DM Mono', monospace; font-size: 11px; font-weight: 500;
}
.slp-cycle-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--border);
  transition: background 0.2s;
}
.slp-cycle-dot.filled { background: #e11d48; }
body.dark-theme .slp-cycle-dot.filled { background: #fb7185; }

.slp-card-dur { font-family: 'DM Mono', monospace; font-size: 11px; color: var(--text-dim); }

/* Age note + result note */
.slp-age-note {
  display: flex; align-items: flex-start; gap: 8px; padding: 10px 16px;
  background: rgba(225,29,72,0.05); border-bottom: 1px solid var(--border);
  font-size: 12px; color: var(--text-muted); line-height: 1.6;
}
body.dark-theme .slp-age-note { background: rgba(251,113,133,0.06); }
.slp-age-note i { color: #e11d48; flex-shrink: 0; font-size: 12px; margin-top: 1px; }
body.dark-theme .slp-age-note i { color: #fb7185; }

.result-note {
  display: flex; align-items: flex-start; gap: 8px; padding: 10px 16px;
  font-size: 11px; color: var(--text-dim); background: var(--surface); line-height: 1.6;
}
.result-note i { color: #e11d48; font-size: 11px; flex-shrink: 0; margin-top: 1px; }
body.dark-theme .result-note i { color: #fb7185; }

/* ============================================
   TOPIC CLUSTER
   ============================================ */
.topic-cluster-section {
  position: relative; z-index: 1; background: var(--bg-2);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.topic-cluster-inner { max-width: 1380px; margin: 0 auto; padding: 56px 24px; }
.topic-cluster-header { max-width: 680px; margin-bottom: 40px; }
.topic-cluster-tag {
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 12px 4px 8px;
  background: rgba(225,29,72,0.08); border: 1px solid rgba(225,29,72,0.22);
  border-radius: 100px; font-size: 12px; font-weight: 600; color: #e11d48;
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}
body.dark-theme .topic-cluster-tag { background: rgba(251,113,133,0.10); border-color: rgba(251,113,133,0.26); color: #fb7185; }
.topic-cluster-header h2 {
  font-family: 'Bricolage Grotesque', sans-serif; font-size: clamp(22px,2.5vw,30px);
  font-weight: 800; letter-spacing: -0.8px; color: var(--text); margin-bottom: 12px;
}
.topic-cluster-header p  { font-size: 15px; line-height: 1.75; color: var(--text-muted); }

.cluster-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; margin-bottom: 40px; align-items: start; }

.cluster-primary {
  background: var(--surface); border: 2px solid #e11d48;
  border-radius: var(--radius); padding: 22px; position: relative;
}
body.dark-theme .cluster-primary { border-color: #fb7185; }
.cluster-primary::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(135deg, rgba(225,29,72,0.06) 0%, transparent 60%); pointer-events: none;
}
body.dark-theme .cluster-primary::before { background: linear-gradient(135deg, rgba(251,113,133,0.07) 0%, transparent 60%); }
.cluster-primary-label {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; color: #e11d48; margin-bottom: 10px;
}
body.dark-theme .cluster-primary-label { color: #fb7185; }
.cluster-primary h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; position: relative; }
.cluster-primary p  { font-size: 13px; line-height: 1.65; color: var(--text-muted); margin-bottom: 14px; position: relative; }
.cluster-keywords { display: flex; flex-wrap: wrap; gap: 6px; position: relative; }
.cluster-keywords span {
  padding: 3px 9px; background: rgba(225,29,72,0.08); border: 1px solid rgba(225,29,72,0.20);
  border-radius: 100px; font-size: 11px; font-weight: 600; color: #e11d48;
}
body.dark-theme .cluster-keywords span { background: rgba(251,113,133,0.10); border-color: rgba(251,113,133,0.24); color: #fb7185; }

.cluster-links { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cluster-links h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 14px; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; padding: 14px 20px; border-bottom: 1px solid var(--border); background: var(--bg-3); }
.cluster-link-list { display: flex; flex-direction: column; }
.cluster-link-item { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--border); transition: background var(--transition); }
.cluster-link-item:last-child { border-bottom: none; }
.cluster-link-item:hover { background: var(--bg-3); }
.cluster-link-icon { flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px; background: rgba(225,29,72,0.09); display: flex; align-items: center; justify-content: center; font-size: 15px; color: #e11d48; }
body.dark-theme .cluster-link-icon { background: rgba(251,113,133,0.10); color: #fb7185; }
.cluster-link-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.cluster-link-text strong { font-size: 14px; font-weight: 600; color: var(--text); }
.cluster-link-text span   { font-size: 12px; color: var(--text-dim); }
.cluster-link-arrow { color: var(--text-dim); font-size: 12px; transition: transform var(--transition), color var(--transition); }
.cluster-link-item:hover .cluster-link-arrow { transform: translateX(3px); color: #e11d48; }
body.dark-theme .cluster-link-item:hover .cluster-link-arrow { color: #fb7185; }
.cluster-link-all { background: var(--bg-2); }

.cluster-crosslinks { padding-top: 32px; border-top: 1px solid var(--border); }
.cluster-crosslinks h3 { font-family: 'Bricolage Grotesque', sans-serif; font-size: 18px; font-weight: 700; letter-spacing: -0.3px; color: var(--text); margin-bottom: 6px; }
.cluster-crosslinks > p { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.crosslink-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.crosslink-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition); }
.crosslink-card:hover { border-color: #e11d48; transform: translateY(-3px); box-shadow: var(--shadow); }
body.dark-theme .crosslink-card:hover { border-color: #fb7185; }
.crosslink-card i { font-size: 20px; color: #e11d48; }
body.dark-theme .crosslink-card i { color: #fb7185; }
.crosslink-card strong { font-family: 'Bricolage Grotesque', sans-serif; font-size: 14px; font-weight: 700; color: var(--text); }
.crosslink-card span { font-size: 12px; line-height: 1.5; color: var(--text-dim); }

/* Ad + fade-up */
.ad-slot { position: relative; z-index: 1; max-width: 1380px; margin: 0 auto; padding: 0 24px 40px; }
.ad-slot > div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .calc-page { grid-template-columns: 1fr; padding: 32px 20px 60px; gap: 32px; }
  .calc-page-info { position: static; }
  .calc-panel { position: static; order: 2; }
  .calc-page-content { order: 3; }
  .cluster-grid { grid-template-columns: 1fr; }
  .crosslink-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .calc-page { padding: 24px 16px 48px; }
  .crosslink-grid { grid-template-columns: 1fr; }
  .topic-cluster-inner { padding: 36px 16px; }
  .slp-cards-grid { grid-template-columns: 1fr; }
  .slp-settings-row { grid-template-columns: 1fr; }
  .slp-card-time { font-size: 18px; }
}

@media (min-width: 1025px) {
  .calc-page-info {
    grid-row: 1 / 2;
    grid-column: 1 / 2;
  }
  .calc-page-content {
    grid-row: 2 / 3;
    grid-column: 1 / 2;
  }
  .calc-panel {
    grid-row: 1 / 3;
    grid-column: 2 / 3;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h, 68px) + 24px);
  }
}