/* ============================================================
   GLP1Microdose — style.css
   Light theme: white bg, emerald green primary (#10B981)
   ============================================================ */

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

:root {
  --primary:     #10B981;
  --primary-d:   #059669;
  --primary-l:   #D1FAE5;
  --accent:      #14B8A6;
  --accent-l:    #CCFBF1;
  --indigo:      #4F46E5;
  --warn:        #F59E0B;
  --warn-l:      #FEF3C7;
  --danger:      #EF4444;
  --danger-l:    #FEE2E2;
  --text:        #064E3B;
  --text-muted:  #475569;
  --text-light:  #94A3B8;
  --bg:          #F8FAF9;
  --bg-card:     #FFFFFF;
  --border:      #D1FAE5;
  --border-d:    #6EE7B7;
  --radius:      12px;
  --radius-lg:   18px;
  --shadow-sm:   0 1px 3px rgba(15,23,42,.07);
  --shadow-md:   0 4px 16px rgba(15,23,42,.08);
  --shadow-lg:   0 12px 40px rgba(15,23,42,.12);
  --font-body:   'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

/* Reserve space for template-injected header/footer to prevent layout shift */
#site-header {
  display: block;
  min-height: 64px;
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
#site-footer { display: block; min-height: 240px; background: #064E3B; }
#sticky-shop { display: block; }
@media (max-width: 768px) {
  #site-header { min-height: 56px; }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ── Header ── */
.site-header {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -.02em;
  flex-shrink: 0;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-l); }
.nav-links a .nav-icon { display: inline-block; margin-right: 6px; font-size: 1.05em; vertical-align: middle; }
@media (min-width: 769px) {
  .nav-links a .nav-icon { display: none; }
}
@media (max-width: 768px) {
  .nav-links a {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    font-size: 1rem !important;
  }
  .nav-links a .nav-icon { font-size: 1.4em; margin-right: 0; width: 32px; text-align: center; }
}
.nav-links a.active { color: var(--primary); background: var(--primary-l); }
.nav-links a.nav-cases-link {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(16,185,129,.3);
}
.nav-links a.nav-cases-link:hover {
  background: linear-gradient(135deg, var(--primary-d) 0%, #0D9488 100%);
  color: #fff;
  transform: translateY(-1px);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: 9px;
  font-size: .875rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: background .15s, transform .15s, box-shadow .15s;
  box-shadow: 0 2px 8px rgba(16,185,129,.35);
}
.nav-cta:hover { background: var(--primary-d); transform: translateY(-1px); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  margin-left: auto;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, #FAFFFD 0%, #D1FAE5 50%, #CCFBF1 100%);
  padding: 72px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(16,185,129,.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-l);
  color: var(--primary-d);
  border: 1px solid rgba(16,185,129,.25);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 32px;
}
.hero-pills { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.pill-icon { font-size: .85rem; }

/* ── Calculator card ── */
.calc-section { padding: 0 0 72px; margin-top: -24px; position: relative; z-index: 2; }
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* ── Calculator card grid ── */
.calc-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-bottom: 28px;
}
.calc-tile {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  text-decoration: none;
  color: var(--text);
  transition: transform .2s, border-color .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}
.calc-tile::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.calc-tile:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.calc-tile:hover::before { transform: scaleX(1); }
.calc-tile-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.calc-tile h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.calc-tile p { font-size: .85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.calc-tile-cta { font-size: .82rem; font-weight: 700; color: var(--primary); }

/* ── Form fields ── */
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 7px;
}
.input-wrap { position: relative; }
.input-wrap input,
.input-wrap select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border-d);
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text);
  background: var(--bg-card);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
  appearance: none;
}
.input-wrap input:focus,
.input-wrap select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(16,185,129,.15);
}
.input-wrap .unit {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-light);
  pointer-events: none;
}
.input-wrap input[type="number"] { padding-right: 52px; }
.input-wrap select { padding-right: 40px; cursor: pointer; }
.input-wrap .select-arrow {
  position: absolute;
  right: 13px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-light);
}

.calc-btn {
  width: 100%;
  padding: 13px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, transform .15s, box-shadow .15s;
  box-shadow: 0 3px 10px rgba(16,185,129,.3);
  margin-top: 8px;
}
.calc-btn:hover { background: var(--primary-d); transform: translateY(-1px); }

/* ── Quick-select bubbles ── */
.quick-select { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.quick-select-btn {
  background: var(--bg);
  border: 1.5px solid var(--border-d);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .12s;
  min-height: 38px;
  white-space: nowrap;
}
.quick-select-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-l);
}
.quick-select-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(16,185,129,.35);
}
.manual-entry-label {
  font-size: .72rem;
  color: var(--text-light);
  margin-bottom: 5px;
  font-style: italic;
  display: block;
}

/* ── Panel grid ── */
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 680px) { .panel-grid { grid-template-columns: 1fr; gap: 32px; } }
.panel-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.panel-subtitle { font-size: .85rem; color: var(--text-muted); margin-bottom: 28px; }

/* ── Results pane ── */
.results-pane {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
}
.results-pane-title {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-light);
  margin-bottom: 20px;
}
.result-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
.result-block:last-child { margin-bottom: 0; }
.result-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}
.result-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.02em;
  line-height: 1.2;
}
.result-value .result-unit { font-size: .9rem; font-weight: 600; color: var(--text-muted); margin-left: 3px; }
.result-note { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }
.result-block.highlight { background: var(--primary-l); border-color: rgba(16,185,129,.25); }
.result-block.highlight .result-value { color: var(--primary-d); }
.result-block.success { background: var(--accent-l); border-color: rgba(20,184,166,.25); }
.result-block.success .result-value { color: var(--accent); }

.placeholder-msg {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  color: var(--text-light);
  gap: 10px;
  padding: 24px 0;
}
.placeholder-msg .placeholder-icon { font-size: 2.5rem; }
.placeholder-msg p { font-size: .88rem; }

/* ── Tip / warn boxes ── */
.tip-box {
  background: var(--accent-l);
  border: 1px solid rgba(20,184,166,.25);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: .85rem;
  color: #134E4A;
  margin-top: 20px;
  line-height: 1.6;
}
.warn-box {
  background: var(--warn-l);
  border: 1px solid rgba(245,158,11,.25);
  border-left: 4px solid var(--warn);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: .85rem;
  color: #78350F;
  margin-top: 16px;
  line-height: 1.6;
}

/* ── CTA banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #047857 100%);
  padding: 64px 0;
  text-align: center;
}
.cta-banner h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,.85); font-size: 1rem; margin-bottom: 28px; }
.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary-d);
  text-decoration: none;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}

/* ── Product cards ── */
.product-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 16px 0;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text);
  transition: transform .2s, border-color .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(15,23,42,.12);
  color: var(--text);
}
.product-card.popular { border-color: var(--accent); border-width: 2px; }
.product-card-image { width: 100%; aspect-ratio: 4/3; background: #ECFDF5; overflow: hidden; }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-card:hover .product-card-image img { transform: scale(1.06); }
.product-card-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--primary);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: .05em;
  z-index: 2;
}
.product-card-content { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.product-card-title { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.product-card-desc { font-size: .82rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 12px; flex: 1; }
.product-card-rating { font-size: .78rem; color: var(--text-muted); margin-bottom: 12px; }
.product-card-rating .stars { color: #FFB800; font-size: .9rem; letter-spacing: -1px; }
.product-card-cta { font-size: .9rem; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 5px; }

/* ── Post-calc CTA (after results) ── */
.post-calc-cta {
  display: none;
  background: linear-gradient(135deg, #fff 0%, var(--primary-l) 100%);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 28px;
  box-shadow: 0 10px 36px rgba(16,185,129,.18);
  gap: 22px;
  align-items: flex-start;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.post-calc-cta.visible { display: flex; }
.post-calc-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.post-calc-img {
  width: 170px;
  aspect-ratio: 1/1;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #ECFDF5;
}
.post-calc-img img { width: 100%; height: 100%; object-fit: cover; }
.post-calc-body { flex: 1; min-width: 240px; }
.post-calc-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 5px;
  letter-spacing: .07em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.post-calc-body h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 8px; }
.post-calc-body p { font-size: .9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 14px; }
.post-calc-features { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.feature-pill {
  background: rgba(16,185,129,0.1);
  color: var(--primary-d);
  font-size: .74rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(16,185,129,0.2);
}
.post-calc-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.post-calc-btn {
  background: var(--primary);
  color: #fff !important;
  text-decoration: none !important;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
}
.post-calc-trust { font-size: .78rem; color: var(--text-muted); }
.post-calc-trust .stars { color: #FFB800; font-size: .92rem; }

@media (max-width: 600px) {
  .post-calc-cta { padding: 18px; gap: 16px; flex-direction: column; }
  .post-calc-img { width: 100%; aspect-ratio: 16/10; }
}

/* ── Sticky mobile shop ── */
.mobile-shop-sticky {
  display: none;
  position: fixed;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(16,185,129,0.55);
  z-index: 50;
  align-items: center;
  border: 2px solid rgba(255,255,255,.2);
  padding: 0 5px 0 0;
}
.mobile-shop-sticky.dismissed { display: none !important; }
.mobile-shop-sticky-link {
  color: #fff;
  text-decoration: none;
  padding: 12px 8px 12px 22px;
  font-weight: 700;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.mobile-shop-sticky .stars { color: #FFD700; font-size: .75rem; margin-left: 4px; }
.mobile-shop-sticky-close {
  background: rgba(255,255,255,0.18);
  border: none;
  color: rgba(255,255,255,0.95);
  width: 28px; height: 28px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 4px;
}
@media (max-width: 768px) {
  .mobile-shop-sticky { display: inline-flex; }
  body.has-sticky-shop { padding-bottom: 80px; }
}

/* ── Site footer ── */
.site-footer { background: #064E3B; padding: 48px 0 28px; color: #A7F3D0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1/-1; } }
.footer-logo { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 10px; }
.footer-logo span { color: #6EE7B7; }
.footer-brand p { font-size: .85rem; line-height: 1.65; }
.footer-col h4 { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: #D1FAE5; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul a { color: #A7F3D0; text-decoration: none; font-size: .85rem; }
.footer-col ul a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid #065F46;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .8rem;
}
.footer-bottom a { color: #6EE7B7; text-decoration: none; }

/* ── Disclaimer ── */
.disclaimer {
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 40px 0 0;
  font-size: .82rem;
  color: #92400E;
  line-height: 1.7;
}

/* ── Other tools ── */
.other-tools {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.other-tool-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
}
.other-tool-link:hover { border-color: var(--primary); background: var(--primary-l); color: var(--text); }
.other-tool-icon { font-size: 1.5rem; flex-shrink: 0; }
.other-tool-title { font-weight: 700; font-size: .88rem; line-height: 1.3; }
.other-tool-sub { font-size: .75rem; color: var(--text-muted); margin-top: 2px; }

/* ── Info section ── */
.info-section { padding: 56px 0; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.info-card-icon { font-size: 1.75rem; margin-bottom: 14px; }
.info-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.info-card p { font-size: .85rem; color: var(--text-muted); line-height: 1.65; }

/* ── Step-Flow Calculator ── */
.step-flow { display: flex; flex-direction: column; gap: 0; }
.step-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  position: relative;
  transition: all .25s;
}
.step-card.active {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(16,185,129,.15);
}
.step-card.complete {
  border-color: var(--primary);
  background: linear-gradient(180deg, var(--bg-card) 0%, #F0FDF4 100%);
}
.step-card.complete::after {
  content: '✓';
  position: absolute;
  top: 18px; right: 20px;
  color: var(--primary);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}
.step-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: var(--border-d);
  color: var(--text-muted);
  border-radius: 50%;
  font-size: .92rem;
  font-weight: 800;
  flex-shrink: 0;
  transition: all .2s;
}
.step-card.active .step-num {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(16,185,129,.2);
}
.step-card.complete .step-num {
  background: var(--primary);
  color: #fff;
}
.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}
.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--border-d);
  height: 32px;
  margin: 6px 0;
  transition: color .2s;
}
.step-arrow.active { color: var(--primary); animation: bounce 1.2s infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* Step result card - special styling */
.step-result-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  display: none;
  margin-top: 6px;
}
.step-result-card.visible { display: block; }
.step-result-card .step-num { background: rgba(255,255,255,.25); color: #fff; }
.step-result-card .step-title { color: #fff; }

/* ── Dose Log Table ── */
.dose-log {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.dose-log thead { background: var(--primary-l); }
.dose-log th {
  text-align: left;
  font-size: .72rem;
  font-weight: 700;
  color: var(--primary-d);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 10px 14px;
}
.dose-log tbody tr { border-top: 1px solid var(--border); }
.dose-log tbody tr:first-child { border-top: none; }
.dose-log td { padding: 8px 10px; vertical-align: middle; }
.dose-log td:first-child { padding-left: 14px; }
.dose-log input[type="date"],
.dose-log input[type="number"] {
  width: 100%;
  padding: 9px 10px;
  border: 1.5px solid var(--border-d);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: .9rem;
  background: var(--bg);
  -webkit-appearance: none;
  appearance: none;
}
.dose-log input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(16,185,129,.2);
}
.dose-log .btn-del {
  background: transparent;
  border: none;
  color: var(--danger);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  transition: background .15s;
}
.dose-log .btn-del:hover { background: var(--danger-l); }
.dose-log td:nth-child(1) { width: auto; }
.dose-log td:nth-child(2) { width: 90px; }
.dose-log td:nth-child(3) { width: 110px; }
.dose-log td:nth-child(4) { width: 40px; text-align: right; padding-right: 14px; }
.dose-log .dose-compound { width: 100%; }

.dose-log-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.btn-add-dose {
  background: var(--bg);
  border: 1.5px dashed var(--primary);
  color: var(--primary-d);
  padding: 10px 16px;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.btn-add-dose:hover { background: var(--primary-l); }
.btn-quick-fill {
  background: var(--bg-card);
  border: 1.5px solid var(--border-d);
  color: var(--text-muted);
  padding: 9px 14px;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.btn-quick-fill:hover { border-color: var(--primary); color: var(--primary); }

@media (max-width: 540px) {
  .dose-log th, .dose-log td { padding: 8px 6px; font-size: .82rem; }
  .dose-log td:first-child { padding-left: 8px; }
  .dose-log td:nth-child(2) { width: 78px; }
  .dose-log td:nth-child(3) { width: 80px; }
  .dose-log .dose-compound { font-size: .78rem; padding: 6px 4px; }
  .dose-log input[type="date"], .dose-log input[type="number"] { padding: 8px 8px; font-size: .85rem; }
}

/* ── Dose Slider ── */
.dose-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 6px 0 10px;
}
.dose-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary-l), var(--primary-l));
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
.dose-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(16,185,129,.5);
  transition: transform .15s;
}
.dose-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.dose-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(16,185,129,.5);
}
.dose-slider-ticks {
  display: flex;
  justify-content: space-between;
  font-size: .68rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 2px;
  padding: 0 4px;
}
.dose-display-value {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: .95rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 6px;
  letter-spacing: -.01em;
  margin-left: 8px;
  vertical-align: middle;
}

/* ── Plotter ── */
.plot-canvas-wrap {
  background: #FAFFFD;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}
.plot-canvas-wrap canvas { display: block; width: 100%; }
.plot-config {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 16px;
  align-items: end;
  margin-bottom: 4px;
}
@media (max-width: 640px) { .plot-config { grid-template-columns: 1fr 1fr; } }

/* ──────────────────────────────────────────────────────────
   Apple Health-style exposure analytics stack
   ────────────────────────────────────────────────────────── */
.exposure-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}
.exposure-card {
  border-radius: 18px;
  padding: 22px 24px;
  background: rgba(100, 116, 139, .06);
  position: relative;
  transition: background .35s ease;
  border: 1px solid transparent;
}
/* Calibrated: only "rapidly-declining" gets a loud warning tint */
.exposure-card[data-state="declining"]         { background: rgba(100, 116, 139, .045); }
.exposure-card[data-state="rapidly-declining"] { background: rgba(239, 68, 68, .075);   }
.exposure-card[data-state="rising"]            { background: rgba(59, 130, 246, .05);   }
.exposure-card[data-state="accumulating"]      { background: rgba(16, 185, 129, .07);   }
.exposure-card[data-state="stable"]            { background: rgba(100, 116, 139, .045); }
.exposure-card[data-state="info"]              { background: rgba(100, 116, 139, .045); }

.exposure-primary { padding: 18px 24px 20px; }
.exposure-primary-row {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}
.exposure-primary-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1 1 auto;
  min-width: 140px;
  padding-top: 4px;
}
.exposure-primary-meta .exposure-trend { margin-top: 2px; }
.exposure-label {
  font-size: .74rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.exposure-pill {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, .06);
  color: var(--text-muted);
}
.exposure-value {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
  color: var(--text);
  margin-bottom: 8px;
  font-feature-settings: "tnum";
}
.exposure-value-sm {
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 4px;
}
.exposure-sub {
  font-size: .87rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.exposure-trend {
  font-size: .82rem;
  font-weight: 700;
  margin-top: 4px;
  letter-spacing: .01em;
}
.exposure-card[data-state="declining"]         .exposure-trend { color: #B45309; }
.exposure-card[data-state="rapidly-declining"] .exposure-trend { color: #B91C1C; }
.exposure-card[data-state="rising"]            .exposure-trend { color: #1D4ED8; }
.exposure-card[data-state="accumulating"]      .exposure-trend { color: #047857; }
.exposure-card[data-state="stable"]            .exposure-trend { color: #0369A1; }

.exposure-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 540px) {
  .exposure-row { grid-template-columns: 1fr; }
  .exposure-value { font-size: 2.1rem; }
  .exposure-card { padding: 16px 18px; }
  .exposure-primary { padding: 16px 18px 18px; }
  .exposure-primary-row { gap: 12px; }
}

/* Rhythm quality dot indicator */
#rhythm-quality {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
#rhythm-quality::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-light);
  flex: 0 0 auto;
}
#rhythm-quality.q-consistent::before { background: #10B981; box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
#rhythm-quality.q-mostly::before     { background: #0EA5E9; box-shadow: 0 0 0 3px rgba(14,165,233,.18); }
#rhythm-quality.q-variable::before   { background: #F59E0B; box-shadow: 0 0 0 3px rgba(245,158,11,.18); }
#rhythm-quality.q-none::before       { background: var(--text-light); }

/* iPad-style app launcher */
.app-launcher {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
  gap: 18px 14px;
  max-width: 720px;
  margin: 16px auto 0;
  padding: 8px 0 28px;
}
.app-icon { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: inherit; padding: 4px; outline: none; }
.app-icon-tile {
  width: 88px; height: 88px; border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.6rem;
  box-shadow: 0 8px 22px rgba(15,23,42,.16), inset 0 1px 0 rgba(255,255,255,.20);
  transition: transform .15s ease, box-shadow .15s ease;
  margin-bottom: 10px;
  color: #fff;
  text-shadow: 0 1px 2px rgba(15,23,42,.18);
  user-select: none; position: relative; overflow: hidden;
}
.app-icon-tile::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.18) 0%, rgba(255,255,255,0) 50%);
  pointer-events: none;
}
.app-icon:hover .app-icon-tile  { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15,23,42,.22), inset 0 1px 0 rgba(255,255,255,.22); }
.app-icon:active .app-icon-tile { transform: scale(.94); }
.app-icon-label { font-size: .82rem; font-weight: 600; color: var(--text); letter-spacing: -.01em; text-align: center; line-height: 1.25; }
.app-icon-micro  { background: linear-gradient(135deg, #6EE7B7 0%, #059669 100%); }
.app-icon-sched  { background: linear-gradient(135deg, #60A5FA 0%, #1D4ED8 100%); }
.app-icon-plot   { background: linear-gradient(135deg, #34D399 0%, #047857 100%); }
.app-icon-guide  { background: linear-gradient(135deg, #94A3B8 0%, #475569 100%); }
.app-icon-tips   { background: linear-gradient(135deg, #F472B6 0%, #DB2777 100%); }
@media (max-width: 540px) {
  .app-launcher { gap: 14px 10px; max-width: 100%; }
  .app-icon-tile { width: 72px; height: 72px; font-size: 2.1rem; border-radius: 18px; margin-bottom: 8px; }
  .app-icon-label { font-size: .74rem; }
}

/* Apple Watch-style stat tiles */
.stat-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.stat-tile {
  background: rgba(100,116,139,.045);
  border-radius: 14px;
  padding: 14px 16px;
  text-align: left;
}
.stat-tile-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -.02em;
  font-feature-settings: "tnum";
}
.stat-tile-label {
  font-size: .68rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
@media (max-width: 540px) {
  .stat-tile { padding: 11px 13px; border-radius: 12px; }
  .stat-tile-value { font-size: 1.2rem; }
  .stat-tile-label { font-size: .62rem; letter-spacing: .04em; }
  .stat-tiles { gap: 8px; }
}

/* ── Mobile responsive overrides ── */
@media (max-width: 768px) {
  body { font-size: 15px; }
  .container, .container-wide { padding: 0 16px; }
  .nav { gap: 10px; height: 56px; }
  .nav-logo { font-size: 1.05rem; }
  .mobile-toggle { display: block; order: 3; }
  .nav-cta { padding: 8px 14px; font-size: .8rem; order: 2; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    gap: 0;
    margin-left: 0;
    box-shadow: 0 6px 20px rgba(15,23,42,.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 20px; font-size: .92rem; border-radius: 0; }

  .hero { padding: 44px 0 36px; }
  .hero h1 { font-size: 1.85rem; }
  .hero p { font-size: .95rem; }

  .calc-section { margin-top: -16px; padding-bottom: 48px; }
  .calc-card { border-radius: 14px; }
  .info-section { padding: 36px 0; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .quick-select-btn { flex: 1 1 calc(33.333% - 6px); text-align: center; }
}

/* ──────────────────────────────────────────────────────────
   Toast notifications + confirm modal — site-themed
   ────────────────────────────────────────────────────────── */
#toast-stack {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 11000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
@media (max-width: 540px) {
  #toast-stack { top: 14px; right: 14px; left: 14px; }
}
.site-toast {
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 13px 18px 13px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
  max-width: 380px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: auto;
  border-left-width: 4px;
}
@media (max-width: 540px) { .site-toast { max-width: none; } }
.site-toast.show { opacity: 1; transform: translateY(0); }
.site-toast-icon { font-size: 1.05rem; flex: 0 0 auto; line-height: 1; }
.site-toast-msg  { flex: 1; line-height: 1.4; }
.site-toast-success { border-left-color: #10B981; }
.site-toast-warning { border-left-color: var(--warn); }
.site-toast-danger  { border-left-color: #EF4444; }
.site-toast-info    { border-left-color: var(--primary); }

.site-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
  opacity: 0;
  transition: opacity .18s ease;
}
.site-modal-overlay.show { opacity: 1; }
.site-modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px 30px 22px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 70px rgba(15,23,42,.4);
  text-align: center;
  transform: scale(.94);
  transition: transform .18s ease;
}
.site-modal-overlay.show .site-modal { transform: scale(1); }
.site-modal-icon { font-size: 2.4rem; margin-bottom: 12px; line-height: 1; }
.site-modal-title { font-size: 1.22rem; font-weight: 800; margin-bottom: 8px; color: var(--text); letter-spacing: -.01em; }
.site-modal-msg { font-size: .92rem; color: var(--text-muted); margin-bottom: 24px; line-height: 1.55; }
.site-modal-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.site-modal-btn {
  padding: 11px 24px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 700;
  border: 1.5px solid #CBD5E1;
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  transition: all .15s ease;
  min-width: 96px;
}
.site-modal-btn:hover { border-color: var(--text-muted); color: var(--text); }
.site-modal-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.site-modal-confirm {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.site-modal-confirm:hover { filter: brightness(1.08); border-color: var(--primary); color: #fff; }
.site-modal-danger .site-modal-icon { color: #EF4444; }
.site-modal-danger .site-modal-confirm { background: #EF4444; border-color: #EF4444; }
.site-modal-danger .site-modal-confirm:hover { background: #DC2626; border-color: #DC2626; }