/* ============================================================
   BOOSTER SKIN LAB – Premium Dark UI + Glassmorphism
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --c-bg:           hsl(235, 20%, 11%);
  --c-bg-alt:       hsl(235, 18%, 14%);
  --c-surface:      hsl(235, 16%, 18%);
  --c-surface2:     hsl(235, 14%, 22%);
  --c-border:       hsl(235, 12%, 28%);

  --c-primary:      hsl(270, 100%, 82%);
  --c-primary-glow: hsl(270, 100%, 86%);
  --c-accent:       hsl(325, 100%, 85%);
  --c-gold:         hsl(45,  95%, 65%);

  --c-text:         hsl(235, 20%, 95%);
  --c-text-muted:   hsl(235, 15%, 76%);
  --c-text-faint:   hsl(235, 10%, 55%);

  --radius:     16px;
  --radius-sm:  8px;
  --radius-lg:  24px;
  --shadow-card: 0 4px 32px hsl(270 80% 50% / 15%), 0 1px 4px hsl(0 0% 0% / 40%);
  --transition: .28s cubic-bezier(.4,0,.2,1);

  --grad-primary:  linear-gradient(to right, var(--c-primary), var(--c-accent));
  --grad-surface:  linear-gradient(135deg, hsl(235,16%,20%), hsl(235,16%,15%));
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(20px);
  background: hsl(235 22% 8% / 80%);
  border-bottom: 1px solid var(--c-border);
}
.header-inner {
  display: flex; align-items: center; gap: 32px;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; letter-spacing: .04em; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--grad-primary);
  box-shadow: 0 0 12px var(--c-primary);
}
.brand span { background: var(--grad-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.header-nav { display: flex; gap: 28px; margin-left: auto; }
.header-nav a { font-size: .9rem; color: var(--c-text-muted); transition: color var(--transition); }
.header-nav a:hover { color: var(--c-text); }
.live-badge {
  display: flex; align-items: center; gap: 7px;
  font-size: .8rem; font-weight: 600; color: var(--c-gold);
  background: hsl(45 90% 60% / 10%);
  border: 1px solid hsl(45 90% 60% / 25%);
  border-radius: 999px; padding: 5px 14px;
}
.pulse-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--c-gold);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(1.4); }
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 72px;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, hsl(270 80% 50% / 18%), transparent);
}
.hero-eyebrow {
  font-size: .85rem; font-weight: 500; letter-spacing: .12em;
  text-transform: uppercase; color: var(--c-primary); margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800; line-height: 1.2;
  margin-bottom: 20px;
}
.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-sub { color: var(--c-text-muted); font-size: 1.05rem; margin-bottom: 48px; }
.hero-stats-row { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stat-card {
  flex: 1 1 180px;
  background: var(--grad-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex; flex-direction: column; gap: 4px;
}
.hero-stat-card .stat-num { font-size: 1.8rem; font-weight: 700; color: var(--c-primary-glow); }
.hero-stat-card .stat-lbl { font-size: .82rem; color: var(--c-text-muted); }

/* ── Section Commons ───────────────────────────────────────── */
.section { padding: 96px 0; }
.section-dark { background: var(--c-bg-alt); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  font-size: .78rem; font-weight: 600; letter-spacing: .15em;
  text-transform: uppercase; color: var(--c-primary);
  margin-bottom: 12px;
}
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.25; margin-bottom: 16px; }
.section-desc { color: var(--c-text-muted); font-size: 1rem; max-width: 560px; margin: 0 auto; }

/* ── Glass Card ────────────────────────────────────────────── */
.glass {
  background: hsl(235 18% 14% / 70%);
  backdrop-filter: blur(20px);
  border: 1px solid hsl(235 14% 30% / 60%);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ── View A: Chart ─────────────────────────────────────────── */
.chart-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px; align-items: center;
}
.chart-card {
  padding: 32px;
  position: relative; display: flex; justify-content: center;
}
.chart-center-label {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center; pointer-events: none;
}
.chart-total { display: block; font-size: 2rem; font-weight: 700; color: var(--c-text); }
.chart-total-label { font-size: .8rem; color: var(--c-text-muted); }

.concern-bar-list { display: flex; flex-direction: column; gap: 20px; }
.concern-bar-item { display: flex; flex-direction: column; gap: 8px; }
.concern-bar-header { display: flex; justify-content: space-between; align-items: center; font-size: .9rem; }
.concern-bar-name { font-weight: 600; }
.concern-bar-count { color: var(--c-text-muted); font-size: .83rem; }
.concern-bar-track {
  height: 10px; background: var(--c-surface2);
  border-radius: 999px; overflow: hidden;
}
.concern-bar-fill {
  height: 100%; border-radius: 999px;
  background: var(--grad-primary);
  width: 0%; transition: width 1s cubic-bezier(.4,0,.2,1);
}

/* ── View B: Feed ──────────────────────────────────────────── */
.filter-bar {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-bottom: 40px; align-items: flex-end;
}
.filter-label { font-size: .8rem; color: var(--c-text-muted); margin-bottom: 8px; display: block; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 16px; border-radius: 999px;
  font-size: .83rem; font-weight: 500;
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
  background: var(--c-surface);
  transition: all var(--transition);
}
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip.active {
  background: var(--grad-primary);
  border-color: transparent;
  color: #fff;
}
.filter-select {
  padding: 8px 16px; border-radius: var(--radius-sm);
  background: var(--c-surface); border: 1px solid var(--c-border);
  color: var(--c-text); font-family: inherit; font-size: .9rem;
  cursor: pointer;
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.feed-card {
  background: var(--grad-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fadeInUp .4s ease both;
}
.feed-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px hsl(270 80% 50% / 18%);
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.feed-card-header { display: flex; align-items: center; gap: 12px; }
.feed-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--grad-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.feed-user { font-size: .9rem; font-weight: 600; }
.feed-meta { font-size: .78rem; color: var(--c-text-muted); }
.feed-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  padding: 3px 10px; border-radius: 999px;
  font-size: .75rem; font-weight: 700;
}
.badge-primary {
  background: hsl(270 80% 65% / 18%);
  color: var(--c-primary);
  border: 1px solid hsl(270 80% 65% / 30%);
}
.badge-secondary {
  background: hsl(325 100% 85% / 15%);
  color: var(--c-accent);
  border: 1px solid hsl(325 100% 85% / 30%);
}
.feed-summary { font-size: .88rem; color: var(--c-text-muted); line-height: 1.6; }
.feed-care {
  background: hsl(270 80% 65% / 8%);
  border-left: 3px solid var(--c-primary);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .83rem; color: var(--c-text);
  line-height: 1.6;
}
.feed-device-care {
  background: hsl(45 90% 60% / 8%);
  border-left: 3px solid var(--c-gold);
}
.feed-device-care .feed-care-label { color: var(--c-gold); }
.feed-care-label { font-size: .72rem; font-weight: 700; letter-spacing: .08em; color: var(--c-primary); margin-bottom: 4px; }

/* 추천 제품 블록 */
.feed-product-rec {
  display: flex; align-items: center; gap: 12px;
  background: hsl(325 100% 85% / 12%);
  border: 1px solid hsl(325 100% 85% / 28%);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 2px;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.feed-product-rec:hover {
  transform: translateY(-2px);
  background: hsl(325 100% 85% / 18%);
  border-color: hsl(325 100% 85% / 45%);
  box-shadow: 0 6px 18px hsl(325 100% 85% / 20%);
}
.feed-product-emoji { font-size: 1.6rem; flex-shrink: 0; }
.feed-product-tag {
  font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  color: var(--c-accent); text-transform: uppercase; margin-bottom: 2px;
}
.feed-product-name { font-size: .88rem; font-weight: 600; color: var(--c-text); }


.load-more-wrap { text-align: center; margin-top: 40px; }
.btn-load-more {
  padding: 13px 40px; border-radius: 999px;
  border: 1px solid var(--c-border);
  color: var(--c-text); font-size: .9rem; font-weight: 500;
  transition: all var(--transition);
}
.btn-load-more:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* ── View C: Products ──────────────────────────────────────── */
.product-concern-tabs {
  display: flex; flex-wrap: wrap; gap: 10px;
  justify-content: center; margin-bottom: 40px;
}
.ptab {
  padding: 9px 22px; border-radius: 999px;
  font-size: .87rem; font-weight: 500;
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
  background: var(--c-surface);
  transition: all var(--transition);
}
.ptab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.ptab.active {
  background: var(--grad-primary);
  border-color: transparent; color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--grad-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  animation: fadeInUp .4s ease both;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px hsl(270 80% 50% / 20%);
  border-color: hsl(270 80% 65% / 35%);
}
.product-card.rank-1 { border-color: hsl(45 90% 60% / 40%); }
.product-card.rank-1 .product-rank-badge { background: var(--c-gold); color: #1a1a2e; }

.product-img-wrap {
  height: 180px; background: var(--c-surface2);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; position: relative;
  overflow: hidden;
}
.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  box-sizing: border-box;
  border-radius: var(--radius) var(--radius) 0 0;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}
.product-img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--c-surface));
}
.product-type-badge {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  padding: 4px 10px; border-radius: 999px;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  background: var(--c-surface); border: 1px solid var(--c-border);
}
.badge-routine {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, hsl(270, 80%, 65%), hsl(270, 80%, 45%));
  box-shadow: 0 2px 6px rgba(168, 85, 247, 0.4);
}
.badge-solo {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, hsl(310, 75%, 62%), hsl(310, 75%, 42%));
  box-shadow: 0 2px 6px rgba(236, 72, 153, 0.4);
}
.badge-device {
  color: #ffffff;
  border-color: transparent;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
}

.product-rank-badge {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 800;
  background: var(--c-primary); color: #fff;
}

.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.product-name { font-size: 1rem; font-weight: 700; line-height: 1.35; }
.product-desc { font-size: .82rem; color: var(--c-text-muted); line-height: 1.5; flex: 1; }
.product-score-row { display: flex; align-items: center; gap: 8px; }
.product-score-label { font-size: .75rem; color: var(--c-text-faint); white-space: nowrap; }
.product-score-bar {
  flex: 1; height: 5px; background: var(--c-surface2);
  border-radius: 999px; overflow: hidden;
}
.product-score-fill {
  height: 100%; background: var(--grad-primary); border-radius: 999px;
  width: 0%; transition: width 1.2s cubic-bezier(.4,0,.2,1);
}
.product-match-pct {
  font-size: .75rem; font-weight: 700; color: var(--c-primary); min-width: 32px; text-align: right;
}

.product-footer {
  padding: 0 20px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.product-price { font-size: 1.05rem; font-weight: 700; }
.product-price span { font-size: .8rem; font-weight: 400; color: var(--c-text-muted); margin-left: 2px; }
.btn-add-cart {
  padding: 9px 20px; border-radius: 999px;
  background: var(--grad-primary);
  color: #fff; font-size: .83rem; font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-add-cart:hover { opacity: .85; transform: scale(.97); }

/* ── Skeletons ─────────────────────────────────────────────── */
.skeleton, .skeleton-bar {
  background: linear-gradient(90deg, var(--c-surface2) 25%, var(--c-surface) 50%, var(--c-surface2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
}
.skeleton { min-height: 80px; }
.skeleton-bar { height: 56px; border-radius: var(--radius-sm); }
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── Empty / Error States ───────────────────────────────────── */
.empty-state {
  text-align: center; padding: 64px 24px;
  color: var(--c-text-muted); grid-column: 1 / -1;
}
.empty-state-icon { font-size: 2.5rem; margin-bottom: 12px; }

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: 40px 0;
}
.footer-inner { text-align: center; }
.footer-brand { font-size: .9rem; font-weight: 700; letter-spacing: .1em; margin-bottom: 8px; color: var(--c-primary); }
.footer-copy  { font-size: .8rem; color: var(--c-text-faint); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .chart-layout { grid-template-columns: 1fr; }
  .header-nav { display: none; }
  .hero { padding: 64px 0 48px; }
}

/* ── Resolved Concerns Badges ────────────────────────────── */
.product-resolved-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}
.resolved-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--c-primary-glow);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.resolved-badges-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-concern-badge {
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 4px;
}
.product-concern-badge.badge-all-in-one {
  background: hsl(45 90% 60% / 10%);
  color: var(--c-gold);
  border: 1px solid hsl(45 90% 60% / 30%);
}
.product-concern-badge.badge-concern {
  background: hsl(270 80% 65% / 10%);
  color: var(--c-primary-glow);
  border: 1px solid hsl(270 80% 65% / 30%);
}

/* ── CuraPulse Navigation Button ─────────────────────────── */
.btn-curapulse {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 20px;
  background: linear-gradient(135deg, hsl(270, 80%, 65%), hsl(310, 75%, 62%));
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(180, 50, 230, 0.3);
  transition: all var(--transition);
  font-family: 'Outfit', sans-serif;
}
.btn-curapulse:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(180, 50, 230, 0.5);
}
@media (max-width: 480px) {
  .btn-curapulse {
    padding: 6px 10px;
    font-size: 0.75rem;
  }
}