.formula-index{
  --fi-bg:#F1F6F4;
  --fi-surface:#FFFFFF;
  --fi-surface2:#BFD9CF;
  --fi-gold:#027E7F;
  --fi-gold-light:#4EAAAB;
  --fi-gold-dim:#014B4C;
  --fi-green:#027E7F;
  --fi-green-light:#4EAAAB;
  --fi-red:#D81757;
  --fi-red-light:#E45D89;
  --fi-text-base:#11221C;
  --fi-text-dim-base:#88908D;
  --fi-text-muted-base:#ABB1AF;

  --fi-accent: var(--fi-gold);
  --fi-accent-light: var(--fi-gold-light);
  --fi-accent-dim: var(--fi-gold-dim);
  --fi-text: var(--fi-text-base);
  --fi-text-dim: var(--fi-text-dim-base);
  --fi-text-muted: var(--fi-text-muted-base);
  --fi-card-shadow: 0 1px 2px rgba(1,75,76,.06), 0 8px 24px -12px rgba(1,75,76,.18);
  --fi-heading: 'Heebo', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Arial Hebrew', sans-serif;
  --fi-sans: 'Assistant', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Arial Hebrew', 'Noto Sans Hebrew', sans-serif;
  --fi-mono: ui-monospace, 'Cascadia Code', 'SF Mono', Consolas, monospace;

  /* design is intentionally light-only, regardless of viewer theme preference */
  color-scheme: light;
  background: var(--fi-bg);
  color: var(--fi-text);
  font-family: var(--fi-sans);
  direction: rtl;
}

.formula-index *{box-sizing:border-box;}

.formula-index .fi-container{
  max-width:1180px;
  margin:0 auto;
  padding: 40px 24px 80px;
}

/* ---------- header ---------- */
.formula-index .fi-masthead{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-bottom:22px;
  margin-bottom:26px;
  border-bottom:1px solid var(--fi-surface2);
}
.formula-index .fi-masthead-title{
  display:flex;
  align-items:baseline;
  gap:14px;
  flex-wrap:wrap;
}
.formula-index .fi-masthead h1{
  font-family: var(--fi-heading);
  font-weight:600;
  font-size:clamp(28px,4vw,40px);
  margin:0;
  letter-spacing:.2px;
  text-wrap:balance;
}
.formula-index .fi-cat-tag{
  font-size:13px;
  color:var(--fi-accent-dim);
  background:var(--fi-surface2);
  border-radius:999px;
  padding:5px 14px;
  font-weight:600;
  white-space:nowrap;
}
.formula-index .fi-masthead p{
  margin:6px 0 0;
  color:var(--fi-text-dim);
  font-size:14.5px;
}
.formula-index .fi-count-badge{
  font-family:var(--fi-mono);
  font-size:13px;
  color:var(--fi-accent);
  background: color-mix(in srgb, var(--fi-accent) 10%, var(--fi-surface));
  border:1px solid color-mix(in srgb, var(--fi-accent) 28%, transparent);
  border-radius:8px;
  padding:8px 12px;
  text-align:center;
  min-width:110px;
}
.formula-index .fi-count-badge b{display:block; font-size:20px; font-family:var(--fi-sans); font-weight:700; color:var(--fi-text);}

/* ---------- controls ---------- */
.formula-index .fi-controls{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:30px;
}
.formula-index .fi-search-row{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.formula-index .fi-search-box{
  position:relative;
  flex:1;
  max-width:420px;
}
.formula-index .fi-search-box svg{
  position:absolute;
  top:50%; right:14px;
  transform:translateY(-50%);
  width:16px;height:16px;
  color:var(--fi-text-muted);
  pointer-events:none;
}
.formula-index .fi-search-box input{
  width:100%;
  padding:11px 40px 11px 14px;
  border-radius:10px;
  border:1px solid var(--fi-surface2);
  background:var(--fi-surface);
  color:var(--fi-text);
  font-size:14.5px;
  font-family:var(--fi-sans);
  outline:none;
  transition:border-color .15s, box-shadow .15s;
}
.formula-index .fi-search-box input:focus-visible{
  border-color:var(--fi-accent);
  box-shadow:0 0 0 3px color-mix(in srgb, var(--fi-accent) 22%, transparent);
}
.formula-index .fi-sort-select{
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--fi-surface2);
  background:var(--fi-surface);
  color:var(--fi-text);
  font-size:13.5px;
  font-family:var(--fi-sans);
  outline:none;
  cursor:pointer;
}
.formula-index .fi-sort-select:focus-visible{ border-color:var(--fi-accent); }

.formula-index .fi-filter-groups{
  display:flex;
  gap:22px;
  flex-wrap:wrap;
}
.formula-index .fi-filter-group{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.formula-index .fi-fg-label{
  font-size:12px;
  color:var(--fi-text-muted);
  font-weight:600;
  letter-spacing:.03em;
  margin-inline-end:2px;
}
.formula-index .fi-chip{
  font-family:var(--fi-sans);
  font-size:12.5px;
  letter-spacing:.02em;
  padding:6px 11px;
  border-radius:8px;
  border:1px solid var(--fi-surface2);
  background:var(--fi-surface);
  color:var(--fi-text-dim);
  cursor:pointer;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
}
.formula-index .fi-chip:hover{ border-color: var(--fi-accent-light); color:var(--fi-text); }
.formula-index .fi-chip:active{ transform:scale(.96); }
.formula-index .fi-chip.fi-on{
  background: var(--fi-accent);
  border-color: var(--fi-accent);
  color:#fff;
}

.formula-index .fi-clear-btn{
  font-family:var(--fi-sans);
  font-size:12.5px;
  color:var(--fi-accent-dim);
  background:none;
  border:none;
  text-decoration:underline;
  cursor:pointer;
  padding:0;
}
.formula-index .fi-clear-btn:disabled{ color:var(--fi-text-muted); text-decoration:none; cursor:default; }

/* ---------- grid ---------- */
.formula-index .fi-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap:16px;
}
.formula-index .fi-card{
  background:var(--fi-surface);
  border:1px solid var(--fi-surface2);
  border-radius:14px;
  padding:18px 18px 16px;
  text-align:right;
  cursor:pointer;
  box-shadow: var(--fi-card-shadow);
  transition: transform .15s ease, border-color .15s ease;
  opacity:0;
  transform: translateY(6px);
  animation: formulaIndexCardIn .38s ease forwards;
}
.formula-index .fi-card:hover{ transform: translateY(-2px); border-color: var(--fi-accent-light); }
.formula-index .fi-card:focus-visible{ outline:2px solid var(--fi-accent); outline-offset:2px; }
@keyframes formulaIndexCardIn{ to{ opacity:1; transform:translateY(0);} }

.formula-index .fi-card-top{
  margin-bottom:10px;
}
.formula-index .fi-card h3{
  font-family:var(--fi-heading);
  font-size:20px;
  font-weight:600;
  margin:0;
  direction:ltr;
  text-align:right;
  color:var(--fi-text);
}
.formula-index .fi-card .fi-herb-count{
  font-size:12.5px;
  color:var(--fi-text-dim);
  margin-bottom:12px;
}
.formula-index .fi-card .fi-card-cat{
  margin-bottom:12px;
}

.formula-index .fi-herb-row{
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  margin-bottom:12px;
}
.formula-index .fi-herb-pill{
  font-family:var(--fi-mono);
  font-size:11.5px;
  padding:3px 8px;
  border-radius:6px;
  background: color-mix(in srgb, var(--fi-accent) 12%, var(--fi-surface));
  color: var(--fi-accent-dim);
  border:1px solid color-mix(in srgb, var(--fi-accent) 20%, transparent);
  direction:ltr;
}
.formula-index .fi-card .fi-action-preview{
  font-size:13px;
  line-height:1.6;
  color:var(--fi-text-dim);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.formula-index .fi-no-results{
  grid-column:1/-1;
  text-align:center;
  padding:60px 20px;
  color:var(--fi-text-muted);
  font-size:14px;
}

.formula-index .fi-group-header{
  grid-column:1/-1;
  font-family:var(--fi-heading);
  font-size:13px;
  font-weight:700;
  letter-spacing:.03em;
  color:var(--fi-accent-dim);
  padding:18px 2px 6px;
  border-bottom:1px solid var(--fi-surface2);
  margin-bottom:2px;
}
.formula-index .fi-group-header:first-child{ padding-top:0; }

/* ---------- panel ---------- */
.formula-index .fi-scrim{
  position:fixed; inset:0;
  background: color-mix(in srgb, var(--fi-gold-dim) 45%, transparent);
  backdrop-filter: blur(2px);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease;
  z-index:100040;
}
.formula-index .fi-scrim.fi-open{ opacity:1; pointer-events:auto; }

.formula-index .fi-panel{
  position:fixed;
  top:0; right:0;
  height:100%;
  width:min(480px, 92vw);
  background:var(--fi-surface);
  box-shadow:-18px 0 40px -12px rgba(1,34,28,.35);
  transform: translateX(102%);
  transition: transform .28s cubic-bezier(.2,.8,.2,1);
  z-index:100041;
  display:flex;
  flex-direction:column;
  direction:rtl;
  font-family: var(--fi-sans);
  color: var(--fi-text);
}
.formula-index .fi-panel.fi-open{ transform:translateX(0); }

.formula-index .fi-panel-head{
  padding:22px 24px 18px;
  border-bottom:1px solid var(--fi-surface2);
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:12px;
}
.formula-index .fi-panel-head h2{
  font-family:var(--fi-heading);
  font-size:26px;
  margin:0 0 8px;
  direction:ltr;
  text-align:right;
  color:var(--fi-text);
}
.formula-index .fi-panel-close{
  border:none;
  background:var(--fi-bg);
  color:var(--fi-text-dim);
  width:32px;height:32px;
  border-radius:50%;
  font-size:16px;
  cursor:pointer;
  flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  transition: background .15s, color .15s;
}
.formula-index .fi-panel-close:hover{ background:var(--fi-surface2); color:var(--fi-text); }

.formula-index .fi-panel-body{
  padding:22px 24px 32px;
  overflow-y:auto;
  flex:1;
}
.formula-index .fi-panel-body h4{
  font-size:12px;
  color:var(--fi-text-muted);
  font-weight:700;
  letter-spacing:.04em;
  margin:22px 0 8px;
}
.formula-index .fi-panel-body h4:first-child{ margin-top:0; }
.formula-index .fi-props-full{
  font-size:15px;
  line-height:1.85;
  color:var(--fi-text);
  white-space:pre-line;
}

@media (prefers-reduced-motion: reduce){
  .formula-index *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}