/* ================= self-hosted fonts =================
   XB Niloofar — فونت فارسی ساده و آشنا (نه یک فونت مدرن/هندسی)، self-host
   شده تا به هیچ سروری خارج از همین ریپو وابسته نباشد. منبع: fontlibrary.org
   (طراح: Behnam، بنیاد: Irmug)، مجوز OFL — پروانه در
   assets/fonts/XBNiloofar-OFL.txt. */
@font-face{
  font-family: 'XB Niloofar';
  src: url('fonts/XBNiloofar-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: 'XB Niloofar';
  src: url('fonts/XBNiloofar-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ================= tokens ================= */
:root{
  --bg:         #ffffff;
  --bg-tint:    #EAF5F3;
  --bg-warm:    #EFEADD;
  --bg-warm-deep: #DDCFAE;
  --ink:        #17231F;
  --ink-soft:   #445550;
  --ink-faint:  #6E7D78;
  --teal:       #0F766E;
  --teal-deep:  #0B5C55;
  --teal-soft:  #DCEBE9;
  --blue:       #1D4ED8;
  --violet:     #6D28D9;
  --seal:       #A13A2C;
  --gold:       #B08A3E;
  --line:       rgba(15,46,44,0.14);
  --radius:     16px;
  --radius-sm:  8px;
  --radius-pill: 999px;
  --font-fa:    'XB Niloofar', 'Tahoma', sans-serif;
  --font-sci:   'Fraunces', Georgia, serif;
  --font-mono:  'JetBrains Mono', ui-monospace, 'Courier New', monospace;
  --shadow-card: 0 1px 2px rgba(23,35,31,0.04), 0 8px 24px -16px rgba(23,35,31,0.18);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-fa);
  line-height: 1.6;
}

.wrap{
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

a{ color: var(--teal-deep); text-decoration-thickness: 1px; }
.sr-only{
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
:focus-visible{
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}

/* ================= top nav ================= */
.topnav{
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.topnav-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 24px;
}
.topnav-brand{
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-fa);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}
.topnav-brand .dot{ color: var(--seal); }
.topnav-links{
  display: flex;
  gap: 22px;
  font-size: 0.9rem;
}
.topnav-links a{
  color: var(--ink-soft);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.topnav-links a:hover,
.topnav-links a.is-current{
  color: var(--teal-deep);
  border-bottom-color: var(--teal);
}

/* ================= header ================= */
.site-head{
  background: linear-gradient(180deg, var(--bg-tint), var(--bg) 70%);
  color: var(--ink);
  padding: 44px 0 30px;
  border-bottom: 1px solid var(--line);
}
.site-head .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
  margin: 0 0 10px;
  text-transform: uppercase;
}
.site-head h1{
  font-family: var(--font-fa);
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}
.site-head h1 .dot{ color: var(--seal); }
.tagline{
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 46ch;
}

.stats{
  display: flex;
  gap: 16px;
  margin: 32px 0 0;
  padding: 0;
  flex-wrap: wrap;
}
.stats > div{
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-card);
}
.stats dt{
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.stats dd{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--teal-deep);
}

.site-head--compact{ padding: 30px 0 24px; }
.site-head--compact h1{ font-size: clamp(1.7rem, 4vw, 2.4rem); }

/* ================= home: hero ================= */
.hero{
  background: linear-gradient(180deg, var(--bg-tint), var(--bg) 75%);
  border-bottom: 1px solid var(--line);
  padding: 48px 0 40px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}
.hero-text h1{
  font-family: var(--font-fa);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0;
  font-weight: 800;
  color: var(--ink);
}
.hero-text h1 .dot{ color: var(--seal); }
.hero-text .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
  margin: 0 0 10px;
  text-transform: uppercase;
}
.hero-text .tagline{ max-width: 52ch; }

.hero-search{
  display: flex;
  gap: 8px;
  margin: 26px 0 0;
  max-width: 480px;
}
.hero-search input{
  flex: 1;
  font-family: var(--font-fa);
  font-size: 0.95rem;
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}
.hero-search input:focus{ border-color: var(--teal); }
.hero-search button{
  font-family: var(--font-fa);
  font-size: 0.9rem;
  padding: 0 20px;
  border: 1px solid var(--teal-deep);
  border-radius: var(--radius-sm);
  background: var(--teal-deep);
  color: #fff;
  cursor: pointer;
}
.hero-search button:hover{ background: var(--teal); }

.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.btn{
  display: inline-flex;
  align-items: center;
  font-family: var(--font-fa);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn--primary{ background: var(--teal-deep); color: #fff; }
.btn--primary:hover{ background: var(--teal); }
.btn--ghost{ background: transparent; color: var(--teal-deep); border-color: var(--teal-deep); }
.btn--ghost:hover{ background: var(--teal-soft); }

.featured-card{
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  background: var(--ink);
  position: relative;
  transition: transform 0.15s ease;
}
.featured-card:hover{ transform: translateY(-2px); }
.featured-card img{
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.92;
}
.featured-caption{
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 18px 20px 16px;
  background: linear-gradient(0deg, rgba(15,20,18,0.88), rgba(15,20,18,0));
  color: #fff;
}
.featured-eyebrow{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--bg-warm-deep);
  margin: 0 0 4px;
}
.featured-name{ font-weight: 700; font-size: 1.15rem; margin: 0; }
.featured-sci{ font-family: var(--font-sci); font-style: italic; font-size: 0.9rem; margin: 2px 0 0; opacity: 0.9; }

/* ================= home: stat band ================= */
.stat-band{
  background: var(--ink);
  padding: 26px 0;
}
.stat-band-inner{
  display: flex;
  flex-wrap: wrap;
  gap: 28px 40px;
  justify-content: space-between;
}
.stat-item{ display: flex; flex-direction: column-reverse; gap: 4px; }
.stat-item dt{ font-size: 0.78rem; color: var(--bg-warm-deep); }
.stat-item dd{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 600;
  color: #fff;
}

/* ================= home: content sections ================= */
.page-sections{ padding: 44px 0 60px; }
.about-section{ max-width: 68ch; margin-bottom: 44px; }
.about-section h2, .breakdown-section h2{
  font-family: var(--font-fa);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--ink);
}
.about-section p{ color: var(--ink-soft); margin: 0 0 10px; }

.order-breakdown{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 640px;
}
.order-bar-row{
  display: grid;
  grid-template-columns: 130px 1fr 34px;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: background 0.15s ease;
}
.order-bar-row:hover{ background: var(--bg-tint); }
.order-bar-label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.order-bar-track{
  height: 8px;
  background: var(--bg-warm);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.order-bar-fill{
  display: block;
  height: 100%;
  background: var(--teal);
  border-radius: var(--radius-pill);
}
.order-bar-count{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  text-align: left;
}
@media (max-width: 560px){
  .order-bar-row{ grid-template-columns: 90px 1fr 28px; }
}

/* ================= province map ================= */
.map-layout{
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 28px;
  align-items: start;
}
@media (max-width: 780px){
  .map-layout{ grid-template-columns: 1fr; }
}
.map-svg-wrap{
  background: var(--bg-tint);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-card);
}
.map-svg-wrap svg{ width: 100%; height: auto; display: block; }
path.province{
  fill: var(--bg-warm-deep);
  stroke: var(--bg);
  stroke-width: 1;
  cursor: pointer;
  transition: fill 0.12s ease;
}
path.province:hover{ fill: var(--gold); }
path.province.has-data{ fill: var(--teal); }
path.province.has-data:hover{ fill: var(--teal-deep); }

.map-side{
  position: sticky;
  top: 76px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  min-height: 120px;
}
.map-side-hint{ color: var(--ink-faint); font-size: 0.9rem; margin: 0; }
.map-side-province{
  font-family: var(--font-fa);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink);
}
.map-side-count{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teal-deep);
  margin: 0;
}
.map-side-empty{
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0 0 8px;
}
.map-side-empty-sub{
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin: 0;
}

/* ================= filter strip ================= */
.filter-strip{
  background: var(--bg-warm);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.strip-inner{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.chip-row{ display: flex; gap: 8px; }
.chip{
  flex: 0 0 auto;
  font-family: var(--font-fa);
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease, border-color 0.15s ease;
}
.chip .tab-count{
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--teal);
  margin-inline-start: 6px;
}
.chip:hover{ transform: translateY(-1px); border-color: var(--teal); }
.chip.is-active{
  background: var(--teal-deep);
  color: #fff;
  border-color: var(--teal-deep);
}
.chip.is-active .tab-count{ color: var(--bg-warm-deep); }
.chip--all{ font-weight: 700; }

/* ================= toolbar ================= */
.toolbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0 18px;
  flex-wrap: wrap;
}
.search input{
  width: min(420px, 70vw);
  font-family: var(--font-fa);
  font-size: 0.95rem;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--ink);
}
.search input:focus{ border-color: var(--teal); }
.result-count{
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0;
}
.province-badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--teal-soft);
  color: var(--teal-deep);
}
.province-badge button{
  border: none;
  background: transparent;
  color: inherit;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

/* ================= card grid ================= */
.card-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 64px;
}
.card-link{
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
}
.card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s ease, transform 0.12s ease;
}
.card-link:hover .card,
.card-link:focus-visible .card{
  border-color: var(--teal);
  transform: translateY(-2px);
}
.card::before{
  content: attr(data-id);
  position: absolute;
  top: 14px;
  inset-inline-end: 16px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
}
.card-order{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
}
.card-sci{
  font-family: var(--font-sci);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0;
}
.card-sci .authority{
  font-style: normal;
  font-size: 0.72em;
  color: var(--ink-soft);
  margin-inline-start: 4px;
}
.card-fa{
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0;
  color: var(--ink);
}
.card-en{
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}
.fa-pending{
  font-style: italic;
  color: var(--ink-faint);
}

.iucn{
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
}
.iucn[data-cat="CR"]{ color: #7a1f16; background: #f6dcd8; }
.iucn[data-cat="EN"]{ color: #92501c; background: #f5e3ce; }
.iucn[data-cat="VU"]{ color: var(--gold); background: #f3ead2; }
.iucn[data-cat="NT"]{ color: var(--teal-deep); background: var(--teal-soft); }
.iucn[data-cat="LC"]{ color: #2f6b3f; background: #dcefe1; }
.iucn[data-cat="DD"], .iucn[data-cat="NE"]{ color: #6b6b6b; background: #e7e7e2; }

.empty-state{
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ================= species detail page ================= */
.breadcrumb{
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin: 20px 0 0;
}
.breadcrumb a{ color: var(--teal-deep); text-decoration: none; }
.breadcrumb a:hover{ text-decoration: underline; }

.species-head{
  background: linear-gradient(180deg, var(--bg-tint), var(--bg) 75%);
  border-bottom: 1px solid var(--line);
  padding: 18px 0 34px;
}
.species-head .order-tag{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 10px;
}
.species-head h1{
  font-family: var(--font-sci);
  font-style: italic;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin: 0;
  color: var(--ink);
  font-weight: 500;
}
.species-head .authority{
  font-style: normal;
  font-size: 0.55em;
  color: var(--ink-soft);
  margin-inline-start: 8px;
  display: inline-block;
}
.species-head .fa-name{
  font-size: 1.35rem;
  font-weight: 700;
  margin: 10px 0 2px;
}
.species-head .en-name{
  font-size: 1rem;
  color: var(--ink-soft);
  margin: 0;
}
.badge-row{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.badge{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink-soft);
}
.badge.endemic{ color: var(--seal); border-color: var(--seal); background: #fbe9e6; }

.species-body{
  padding: 34px 0 64px;
  display: grid;
  gap: 24px;
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
}
@media (max-width: 780px){
  .species-body{ grid-template-columns: 1fr; }
}
.panel{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
}
.panel h2{
  font-family: var(--font-fa);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
}
.panel + .panel{ margin-top: 20px; }

.taxo-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.taxo-table tr{ border-bottom: 1px dashed var(--line); }
.taxo-table tr:last-child{ border-bottom: none; }
.taxo-table th, .taxo-table td{
  text-align: start;
  padding: 8px 0;
  vertical-align: top;
}
.taxo-table th{
  color: var(--ink-faint);
  font-weight: 500;
  width: 40%;
}
.taxo-table td{ color: var(--ink); font-weight: 500; }
.taxo-table td.mono-cell{ font-family: var(--font-mono); font-size: 0.82rem; font-weight: 400; direction: ltr; text-align: left; }

.count-badge{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ink-faint);
}

.panel details{ margin-top: 4px; }
.panel summary{
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--teal-deep);
  padding: 4px 0;
  user-select: none;
}
.panel details[open] summary{ margin-bottom: 8px; }

.synonym-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 340px;
  overflow-y: auto;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.synonym-list li{
  padding: 6px 10px;
  background: var(--bg-tint);
  border-radius: var(--radius-sm);
}
.synonym-list em{ font-style: italic; color: var(--ink); }

.country-list{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.country-tag{
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-tint);
  color: var(--ink-soft);
}
.country-tag.is-iran{
  background: var(--teal-deep);
  color: #fff;
  font-weight: 600;
}
.country-more{
  font-size: 0.78rem;
  padding: 4px 10px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}

.permalink-box{
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}
.permalink-box input{
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-tint);
  color: var(--ink-soft);
  direction: ltr;
  text-align: left;
}
.copy-btn{
  font-family: var(--font-fa);
  font-size: 0.82rem;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--teal);
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease;
}
.copy-btn:hover{ background: var(--teal-deep); }
.copy-btn.is-copied{ background: var(--teal-deep); }

.citation{
  margin: 14px 0 0;
  padding: 12px 14px;
  background: var(--bg-tint);
  border-inline-start: 3px solid var(--teal);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.not-found{
  padding: 80px 20px;
  text-align: center;
}
.not-found h1{ font-family: var(--font-fa); font-weight: 700; font-size: 1.6rem; }
.not-found p{ color: var(--ink-soft); }

/* ================= footer ================= */
.site-foot{
  background: var(--ink);
  color: var(--bg-warm);
  padding: 28px 0 36px;
  font-size: 0.82rem;
}
.site-foot a{ color: var(--bg-warm-deep); }
.site-foot .mono{ font-family: var(--font-mono); font-size: 0.72rem; opacity: 0.8; margin-top: 6px; }

@media (max-width: 560px){
  .site-head{ padding: 34px 0 22px; }
  .stats{ gap: 12px; }
  .toolbar{ flex-direction: column; align-items: stretch; }
  .search input{ width: 100%; }
  .topnav-links{ gap: 14px; font-size: 0.85rem; }
  .hero{ padding: 34px 0 30px; }
  .hero-search{ max-width: none; flex-direction: column; }
  .stat-band-inner{ gap: 18px 28px; }
}