/* normalcy — styled after AtlasIran.org (Jomhoor palette, Shabnam, RTL first) */

@font-face { font-family: "Shabnam"; src: url("fonts/Shabnam-Light.woff2") format("woff2"); font-weight: 300; font-display: swap; }
@font-face { font-family: "Shabnam"; src: url("fonts/Shabnam.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Shabnam"; src: url("fonts/Shabnam-Medium.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Shabnam"; src: url("fonts/Shabnam-Bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #F4F6F7;
  --bg-warm: #EDE3C7;
  --card: #FFFFFF;
  --navy: #1E3A6B;
  --navy-72: rgba(30, 58, 107, 0.72);
  --navy-64: rgba(30, 58, 107, 0.64);
  --navy-44: rgba(30, 58, 107, 0.44);
  --navy-12: rgba(30, 58, 107, 0.12);
  --navy-06: rgba(30, 58, 107, 0.06);
  --sky: #8CDAF5;
  --sky-light: rgba(140, 218, 245, 0.18);
  --teal: #0EBB90;
  --teal-light: rgba(14, 187, 144, 0.12);
  --red: #C8364A;
  --red-light: rgba(200, 54, 74, 0.10);
  --amber: #B7791F;
  --amber-light: rgba(183, 121, 31, 0.12);
  --dot: rgba(30, 58, 107, 0.09);
  --nav-bg: rgba(244, 246, 247, 0.85);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --t: 0.18s ease;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418;
    --bg-warm: #2A2619;
    --card: #1B2027;
    --navy: #E4EAF3;
    --navy-72: rgba(228, 234, 243, 0.78);
    --navy-64: rgba(228, 234, 243, 0.66);
    --navy-44: rgba(228, 234, 243, 0.46);
    --navy-12: rgba(228, 234, 243, 0.13);
    --navy-06: rgba(228, 234, 243, 0.06);
    --sky-light: rgba(140, 218, 245, 0.12);
    --teal-light: rgba(14, 187, 144, 0.16);
    --red: #F07A8A;
    --red-light: rgba(240, 122, 138, 0.14);
    --amber: #E3B35C;
    --amber-light: rgba(227, 179, 92, 0.14);
    --dot: rgba(228, 234, 243, 0.06);
    --nav-bg: rgba(17, 20, 24, 0.85);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--navy);
  font-family: "Shabnam", system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 900px) { .wrap { padding: 0 32px; } }

/* ------------------------------------------------------------ nav */
.nav {
  position: sticky; top: 0; z-index: 50; height: 56px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), background var(--t);
}
.nav.scrolled { border-bottom-color: var(--navy-12); }
.nav .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; }
.brand:hover { opacity: 0.8; }
.brand svg { width: 22px; height: 22px; flex: none; }
.brand small { font-weight: 300; color: var(--navy-64); font-size: 0.78rem; }
.links { display: flex; align-items: center; gap: 2px; }
.links a, .lang {
  font-size: 0.8125rem; color: var(--navy-64); padding: 6px 10px; border-radius: 6px;
  text-decoration: none; white-space: nowrap; transition: color var(--t), background var(--t);
  background: none; border: 0; cursor: pointer;
}
.links a:hover, .lang:hover { color: var(--navy); background: var(--navy-06); }
.links a.active { color: var(--navy); font-weight: 600; }
.lang { border: 1px solid var(--navy-12); border-radius: 999px; padding: 4px 12px; margin-inline-start: 6px; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; color: var(--navy-64); cursor: pointer; }
@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .links {
    display: none; position: absolute; top: 56px; inset-inline: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--navy-12); padding: 8px 16px 14px;
  }
  .links.open { display: flex; }
  .links a { font-size: 1rem; padding: 10px 12px; }
  .lang { align-self: flex-start; margin: 8px 12px 0; }
}

/* ------------------------------------------------------------ type */
.label {
  display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em;
  color: var(--navy-44); padding: 3px 12px; border: 1px solid var(--navy-12); border-radius: 999px;
}
h1, h2, h3 { line-height: 1.4; margin: 0; color: var(--navy); }
.title { font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 700; margin: 14px 0 12px; }
.h2 { font-size: clamp(1.2rem, 2.6vw, 1.55rem); font-weight: 700; }
.body { color: var(--navy-64); font-size: 0.975rem; line-height: 1.95; font-weight: 300; margin: 0; }
.muted { color: var(--navy-64); }
.small { font-size: 0.8125rem; }
.ltr { direction: ltr; text-align: left; unicode-bidi: isolate; }

.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.8rem; }

/* ------------------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 999px; font-size: 0.9375rem; font-weight: 600;
  text-decoration: none; cursor: pointer; transition: all var(--t); border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(270deg, #5B9DF5 0%, #38BDF8 100%); color: #fff; }
.btn-primary:hover { background: linear-gradient(270deg, #4A8DE5 0%, #2AADE8 100%); }
.btn-primary:disabled { opacity: 0.55; cursor: progress; }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy-12); font-weight: 500; }
.btn-outline:hover { border-color: var(--navy); background: var(--navy-06); }

/* ------------------------------------------------------------ layout blocks */
main { min-height: calc(100vh - 56px - 160px); }
section { padding: 40px 0; }
.hero { padding: 56px 0 28px; }
.hero .body { max-width: 720px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

.card {
  background: var(--card); border: 1px solid var(--navy-12); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 20px;
}
.card h3 { font-size: 1rem; font-weight: 700; }
.grid { display: grid; gap: 14px; }
@media (min-width: 700px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 30px; }
.stat b { display: block; font-size: 1.6rem; font-weight: 700; line-height: 1.2; }
.stat span { font-size: 0.8125rem; color: var(--navy-64); }

.note {
  border-inline-start: 3px solid var(--sky); background: var(--sky-light);
  padding: 14px 16px; border-radius: 8px; color: var(--navy-72); font-size: 0.925rem;
}
.note.warm { border-color: #D8C58E; background: color-mix(in srgb, var(--bg-warm) 55%, transparent); }

/* ------------------------------------------------------------ instrument list */
.tier-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 6px 0 14px; }
.inst {
  display: flex; flex-direction: column; gap: 6px; text-decoration: none;
  transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}
.inst:hover { border-color: var(--navy-44); box-shadow: var(--shadow-md); }
.inst .fa { font-weight: 700; font-size: 0.975rem; }
.inst .en { font-size: 0.8125rem; color: var(--navy-64); }
.inst .meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px; font-size: 0.72rem; font-weight: 500;
  padding: 1px 9px; border-radius: 999px; background: var(--navy-06); color: var(--navy-64);
  border: 1px solid transparent; white-space: nowrap; text-indent: 0;
}
.chip.id { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; direction: ltr; cursor: pointer; background: var(--sky-light); color: var(--navy); }
.chip.id:hover { border-color: var(--sky); }
.chip.copied { background: var(--teal-light); color: var(--teal); }

/* ------------------------------------------------------------ instrument page */
.crumbs { font-size: 0.8125rem; color: var(--navy-64); margin-bottom: 10px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.inst-head .en { font-size: 1rem; color: var(--navy-64); margin-top: 4px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px 22px; margin: 18px 0; font-size: 0.85rem; }
.facts dt { color: var(--navy-44); font-size: 0.75rem; }
.facts dd { margin: 0; word-break: break-word; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 18px 0 10px; }
.input {
  width: 100%; background: var(--card); border: 1px solid var(--navy-12); border-radius: 10px;
  padding: 10px 14px; outline: none; transition: border-color var(--t);
}
.input:focus { border-color: var(--sky); }
.toolbar .input { flex: 1 1 240px; }
.jump { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0 20px; direction: ltr; }
.jump a {
  font-size: 0.72rem; min-width: 30px; text-align: center; padding: 2px 6px; border-radius: 6px;
  text-decoration: none; color: var(--navy-64); border: 1px solid var(--navy-12); background: var(--card);
}
.jump a:hover { border-color: var(--navy-44); color: var(--navy); }

.prov { padding: 18px 20px; margin-bottom: 12px; scroll-margin-top: 76px; }
.prov.target { border-color: var(--sky); box-shadow: 0 0 0 3px var(--sky-light); }
.prov-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.prov-head h3 { font-size: 0.95rem; }
.prov-text { direction: ltr; text-align: left; font-family: "Charter", "Iowan Old Style", Georgia, serif; font-size: 1rem; line-height: 1.7; color: var(--navy); }
.prov-text p { margin: 0 0 10px; }
.prov-text p:last-child { margin-bottom: 0; }
.prov-text .item { display: block; padding-left: 1.6em; text-indent: -1.6em; margin: 3px 0; }
.prov-text .para-id { margin-left: 6px; vertical-align: 1px; }
.prov-fa { margin-top: 10px; font-size: 0.8125rem; color: var(--navy-44); }
mark { background: color-mix(in srgb, var(--sky) 45%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }

/* ------------------------------------------------------------ search results */
.results { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.result { text-decoration: none; padding: 14px 16px; }
.result:hover { border-color: var(--navy-44); }
.result .snip { direction: ltr; text-align: left; font-size: 0.875rem; color: var(--navy-72); margin-top: 4px; font-family: Georgia, serif; }

/* ------------------------------------------------------------ checker */
.form label { display: block; font-size: 0.85rem; color: var(--navy-64); margin: 14px 0 6px; }
.form textarea.input { min-height: 190px; resize: vertical; line-height: 1.8; }
.form .row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 16px; }
.counter { font-size: 0.75rem; color: var(--navy-44); margin-inline-start: auto; }
.verdict { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; padding: 4px 14px; border-radius: 999px; font-size: 0.9rem; }
.verdict.ok { background: var(--teal-light); color: var(--teal); }
.verdict.bad { background: var(--red-light); color: var(--red); }
.reason { white-space: pre-wrap; margin: 12px 0 0; line-height: 1.95; }
.meta-line { margin-top: 14px; font-size: 0.75rem; color: var(--navy-44); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.err { color: var(--red); }
.spin { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,0.45); border-top-color: #fff; border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------ tables */
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--navy-12); vertical-align: top; }
.table th { font-size: 0.75rem; color: var(--navy-44); font-weight: 600; }
.table tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; }
.pill { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 1px 10px; border-radius: 999px; white-space: nowrap; }
.v-guaranteed { background: var(--teal-light); color: var(--teal); }
.v-restricted_clawback { background: var(--amber-light); color: var(--amber); }
.v-silent { background: var(--navy-06); color: var(--navy-64); }
.v-contradicted { background: var(--red-light); color: var(--red); }
.v-disputed { background: var(--sky-light); color: var(--navy); }
ol.steps { margin: 0; padding-inline-start: 20px; color: var(--navy-72); }
ol.steps li { margin: 6px 0; }

/* ------------------------------------------------------------ footer */
footer { border-top: 1px solid var(--navy-12); margin-top: 40px; }
footer .wrap { padding-top: 28px; padding-bottom: 36px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
footer .brand-line { font-weight: 700; }
footer p { margin: 4px 0 0; font-size: 0.8125rem; color: var(--navy-64); max-width: 560px; }
footer .flinks { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.8125rem; }
footer .flinks a { color: var(--navy-64); text-decoration: none; }
footer .flinks a:hover { color: var(--navy); }

.loading { color: var(--navy-44); padding: 40px 0; }
.hidden { display: none !important; }