:root {
  color-scheme: light;
  --ink: #1f2b32;
  --muted: #65727b;
  --paper: #ffffff;
  --canvas: #f8fafc;
  --canvas-deep: #eef3f6;
  --line: #dde6ec;
  --green: #4a7591;
  --green-dark: #2e536b;
  --green-soft: #edf5f9;
  --sage: #adc5d2;
  --amber: #97621d;
  --amber-soft: #fff7e8;
  --rose: #a34c4c;
  --rose-soft: #fff0f0;
  --blue: #416f8c;
  --blue-soft: #eef6fa;
  --shadow: 0 12px 34px rgba(38, 60, 74, .045);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html {
  direction: rtl;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  direction: rtl;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 2%, rgba(173, 197, 210, .14), transparent 28rem),
    var(--canvas);
  font-family: Arial, "Arial Hebrew", "Noto Sans Hebrew", sans-serif;
  line-height: 1.6;
  text-align: start;
}

button,
input,
select,
textarea { font: inherit; }

button,
a,
select { -webkit-tap-highlight-color: transparent; }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(49, 95, 125, .35);
  outline-offset: 3px;
}

[dir="auto"],
bdi {
  unicode-bidi: plaintext;
  text-align: start;
}

.bidi-token {
  direction: ltr;
  unicode-bidi: isolate;
}

[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 8px;
  z-index: 100;
  padding: 8px 12px;
  color: white;
  background: var(--green-dark);
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 10px clamp(16px, 4vw, 56px);
  background: rgba(255, 255, 255, .96);
  border-block-end: 1px solid rgba(225, 232, 228, .9);
  box-shadow: 0 4px 18px rgba(37, 61, 51, .035);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  inline-size: 42px;
  block-size: 42px;
  color: white;
  background: var(--green);
  border-radius: 14px 14px 6px 14px;
  font-weight: 800;
}

.brand strong,
.brand small { display: block; }

.brand strong { line-height: 1.25; }
.brand small { color: var(--muted); font-size: 12px; }

.main-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.main-nav a,
.text-button {
  padding: 8px 12px;
  color: #3f4d46;
  background: transparent;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}

.main-nav a:hover,
.main-nav a[aria-current="page"],
.text-button:hover {
  color: var(--green-dark);
  background: var(--green-soft);
}

main {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
  padding-block: 34px 80px;
}

.view { animation: view-in 180ms ease-out; }

@keyframes view-in {
  from { opacity: .4; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, .65fr);
  gap: clamp(28px, 6vw, 76px);
  align-items: end;
  overflow: hidden;
  padding: clamp(30px, 7vw, 74px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 32px;
  box-shadow: var(--shadow);
}

.hero::before {
  position: absolute;
  inset-block-start: -90px;
  inset-inline-end: -90px;
  inline-size: 250px;
  block-size: 250px;
  background: var(--green-soft);
  border-radius: 50%;
  content: "";
}

.hero-copy,
.hero-note { position: relative; }

.eyebrow,
.section-kicker {
  margin: 0 0 7px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .03em;
}

h1,
h2,
h3,
h4,
p { margin-block-start: 0; }

h1 {
  max-width: 820px;
  margin-block-end: 18px;
  font-size: clamp(34px, 6vw, 66px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

h2 {
  margin-block-end: 10px;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.025em;
}

h3 { line-height: 1.35; }

.hero-text {
  max-width: 740px;
  margin-block-end: 24px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.builder-actions,
.question-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.primary-button {
  color: white;
  background: var(--green);
  border: 1px solid var(--green);
}

.primary-button:hover { background: var(--green-dark); }

.secondary-button {
  color: var(--green-dark);
  background: var(--paper);
  border: 1px solid #b8c9c0;
}

.secondary-button:hover { background: var(--green-soft); }

.primary-button:disabled,
.secondary-button:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.hero-note {
  padding: 20px;
  background: #f6f1e7;
  border-inline-start: 4px solid #c99a54;
  border-radius: 14px 4px 4px 14px;
}

.hero-note strong { color: #74430d; }
.hero-note p { margin: 5px 0 0; color: #675944; font-size: 14px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-block: 18px 0;
}

.metric-card {
  min-height: 142px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(54, 48, 37, .04);
}

.metric-card strong {
  display: block;
  margin-block-end: 2px;
  color: var(--green-dark);
  font-size: 34px;
  line-height: 1.2;
}

.metric-card span { display: block; font-weight: 700; }
.metric-card small { display: block; margin-block-start: 5px; color: var(--muted); }

.content-section,
.builder-card,
.practice-heading {
  margin-block-start: 18px;
  padding: clamp(24px, 5vw, 46px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 7px 24px rgba(54, 48, 37, .045);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(240px, .72fr) minmax(0, 1.5fr);
  gap: 48px;
}

.split-section > div:first-child p:last-child,
.section-heading > p,
.sources-section > p { color: var(--muted); }

.tier-cards { display: grid; gap: 10px; }

.tier-card {
  display: grid;
  grid-template-columns: minmax(130px, .7fr) 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #fbfaf6;
  border: 1px solid #e8e2d7;
  border-radius: 12px;
}

.tier-card span { font-weight: 700; }

.tier-meter {
  height: 8px;
  overflow: hidden;
  background: var(--canvas-deep);
  border-radius: 999px;
}

.tier-meter i {
  display: block;
  height: 100%;
  background: var(--green);
  border-radius: inherit;
}

.tier-card b { min-width: 66px; text-align: end; }

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-block-end: 22px;
}

.section-heading h2,
.section-heading p { margin-block-end: 0; }
.section-heading > p { max-width: 430px; }

.exam-bars { display: grid; gap: 13px; }

.exam-row {
  display: grid;
  grid-template-columns: 84px minmax(180px, 1fr) 150px;
  align-items: center;
  gap: 14px;
}

.exam-label {
  direction: ltr;
  color: var(--ink);
  font-weight: 800;
  text-align: end;
}

.dual-bar {
  position: relative;
  height: 18px;
  overflow: hidden;
  background: #ece8df;
  border-radius: 999px;
}

.dual-bar .broad,
.dual-bar .strong {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  border-radius: inherit;
}

.dual-bar .broad { background: #b9d1c5; }
.dual-bar .strong { background: var(--green); }

.exam-values { color: var(--muted); font-size: 13px; }
.exam-values b { color: var(--ink); }

.compact-control { min-width: min(300px, 100%); }
.compact-control label { display: block; margin-block-end: 5px; font-size: 13px; font-weight: 700; }

input,
select,
textarea {
  inline-size: 100%;
  color: var(--ink);
  background: white;
  border: 1px solid #cfc8bb;
  border-radius: 10px;
}

input,
select { min-height: 44px; padding: 9px 12px; }
textarea { min-height: 110px; padding: 12px; line-height: 1.6; resize: vertical; }

select {
  direction: rtl;
  text-align: start;
}

.family-list { display: grid; gap: 16px; }

.family-card {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  overflow: hidden;
  background: var(--paper);
  border: 1px solid #d9e5eb;
  border-radius: 18px;
  box-shadow: 0 8px 20px rgba(52, 76, 89, .045);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.family-card:hover {
  border-color: #b9d0dc;
  box-shadow: 0 12px 28px rgba(52, 76, 89, .09);
  transform: translateY(-1px);
}

.family-frequency {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 3px;
  padding: 22px 12px;
  color: var(--blue);
  background: linear-gradient(160deg, #f1f8fb 0%, #e5f1f6 100%);
  border-inline-end: 1px solid #d6e5ec;
  text-align: center;
}

.family-frequency-label {
  color: #7895a5;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .04em;
}

.family-frequency strong { font-size: 34px; line-height: 1; }
.family-frequency small { color: #537082; font-size: 12px; line-height: 1.35; }

.family-content { min-width: 0; padding: 22px 24px 18px; }

.family-title-row {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 18px;
}

.family-title-block {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  min-width: 0;
}

.family-rank {
  padding-block-start: 4px;
  color: #9db7c4;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
}

.family-title-row h3 { margin: 0; font-size: 21px; line-height: 1.3; }
.family-title-row h3 .bidi-token { white-space: nowrap; }

.tier-badge,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.tier-badge { color: var(--blue); background: var(--blue-soft); border: 1px solid #d6e8f0; }
.badge { color: #48554f; background: #f1eee7; }
.badge.strong { color: var(--green-dark); background: var(--green-soft); }
.badge.warning { color: var(--amber); background: var(--amber-soft); }

.appearance-summary {
  margin-block-start: 16px;
  padding: 12px 14px;
  background: #f7fbfd;
  border: 1px solid #e1edf2;
  border-radius: 12px;
}

.appearance-summary-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.appearance-summary-heading strong { color: var(--ink); font-size: 13px; }

.appearance-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-block-start: 9px;
}

.appearance-code,
.appearance-more,
.family-appearance-code {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 8px;
  color: #506a78;
  background: white;
  border: 1px solid #dce9ef;
  border-radius: 7px;
  font-size: 12px;
  line-height: 1;
}

.appearance-code,
.family-appearance-code { direction: ltr; font-variant-numeric: tabular-nums; }
.appearance-more { color: var(--blue); font-weight: 800; }

.family-details {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  margin-block-start: 14px;
}

.family-detail {
  min-width: 0;
  padding: 14px 15px;
  background: #fbfcfd;
  border: 1px solid #e6eef2;
  border-radius: 12px;
}

.family-detail--trap {
  background: #fffaf2;
  border-color: #f0e2ca;
}

.family-detail strong { display: block; margin-block-end: 6px; color: #3f6071; font-size: 13px; }
.family-detail--trap strong { color: #8b6128; }
.family-detail-copy { display: block; color: #4f5f68; font-size: 14px; line-height: 1.6; }

.family-detail-points {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.family-detail-points li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
  color: #405863;
  font-size: 14px;
  line-height: 1.55;
}

.family-detail-point-number {
  display: grid;
  inline-size: 21px;
  block-size: 21px;
  place-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid #d4e5ed;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 900;
}

.family-detail-point-text { min-width: 0; }

.family-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-block-start: 16px;
  padding-block-start: 13px;
  border-block-start: 1px solid #edf2f4;
}

.family-source {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.family-expand {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 7px 13px;
  color: var(--blue);
  background: white;
  border: 1px solid #b9d2df;
  border-radius: 9px;
  font-weight: 800;
  cursor: pointer;
}

.family-expand::after { margin-inline-start: 7px; content: "↗"; }
.family-expand:hover { background: var(--blue-soft); border-color: var(--blue); }

.family-dialog {
  inline-size: min(920px, calc(100% - 32px));
  max-block-size: min(86vh, 780px);
  overflow: hidden;
  padding: 0;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid #cbdde6;
  border-radius: 22px;
  box-shadow: 0 26px 80px rgba(30, 53, 66, .24);
}

.family-dialog::backdrop { background: rgba(24, 43, 54, .42); backdrop-filter: blur(3px); }
.family-dialog-shell { display: flex; min-block-size: 0; max-block-size: inherit; flex-direction: column; }

.family-dialog-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 30px 22px;
  background: linear-gradient(135deg, #f5fafc, #fff);
  border-block-end: 1px solid #e1edf2;
}

.family-dialog-header h2 { margin-block-end: 7px; font-size: clamp(25px, 3vw, 36px); }
.family-dialog-summary { max-inline-size: 680px; margin: 0; color: var(--muted); line-height: 1.55; }

.dialog-close {
  display: grid;
  inline-size: 40px;
  block-size: 40px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--muted);
  background: white;
  border: 1px solid #cbdde6;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.dialog-close:hover { color: var(--ink); background: var(--blue-soft); }
.family-dialog-body {
  min-block-size: 0;
  overflow: auto;
  padding: 24px 30px 28px;
  scrollbar-color: #b7c9d3 transparent;
  scrollbar-width: thin;
}

.family-dialog-body::-webkit-scrollbar { inline-size: 7px; }
.family-dialog-body::-webkit-scrollbar-track { background: transparent; }
.family-dialog-body::-webkit-scrollbar-thumb { background: #b7c9d3; border-radius: 999px; }

.family-dialog-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-block-end: 18px;
}

.family-dialog-stat {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  background: #f7fbfd;
  border: 1px solid #e0edf2;
  border-radius: 11px;
}

.family-dialog-stat strong { color: var(--blue); font-size: 20px; line-height: 1.2; }
.family-dialog-stat span { color: var(--muted); font-size: 12px; }

.family-dialog-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 14px; }

.family-dialog-section {
  margin-block-end: 14px;
  padding: 18px;
  background: white;
  border: 1px solid #dfeaf0;
  border-radius: 14px;
}

.family-dialog-trap { background: #fffaf2; border-color: #f0dfc2; }
.family-dialog-label { margin: 0 0 4px; color: #7694a4; font-size: 11px; font-weight: 900; letter-spacing: .05em; }
.family-dialog-trap .family-dialog-label { color: #a47637; }
.family-dialog-section h3 { margin-block-end: 12px; font-size: 19px; }
.family-dialog-points { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }

.family-dialog-point {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding-block: 14px;
  border-block-start: 1px solid #e8f0f3;
}

.family-dialog-point:first-child { padding-block-start: 0; border-block-start: 0; }

.family-dialog-point-number {
  display: grid;
  inline-size: 30px;
  block-size: 30px;
  place-items: center;
  color: var(--blue);
  background: var(--blue-soft);
  border: 1px solid #d5e6ed;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 900;
}

.family-point-explanation {
  min-width: 0;
  margin: 0;
  color: #405863;
  line-height: 1.72;
}

.family-dialog-copy { color: #5b4f40; line-height: 1.7; }
.family-dialog-section-heading { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.family-dialog-count { color: var(--blue); font-size: 13px; font-weight: 800; }
.family-dialog-appearances { display: grid; gap: 10px; }

.family-appearance-group {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding-block: 9px;
  border-block-start: 1px solid #edf2f4;
}

.family-appearance-group:first-child { padding-block-start: 0; border-block-start: 0; }
.family-appearance-group strong { color: var(--ink); font-size: 13px; }
.family-appearance-codes { display: flex; flex-wrap: wrap; gap: 6px; }

.family-dialog-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-block-start: 2px;
  padding-block-start: 16px;
  border-block-start: 1px solid #e5eef2;
}

.family-dialog-footer > div { min-width: 0; }
.family-dialog-source { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }

.study-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 0;
  list-style: none;
}

.study-steps li {
  display: flex;
  gap: 13px;
  padding: 18px;
  background: #fbfaf6;
  border: 1px solid #e8e2d7;
  border-radius: 13px;
}

.study-steps li > span {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  inline-size: 30px;
  block-size: 30px;
  color: white;
  background: var(--green);
  border-radius: 50%;
  font-weight: 800;
}

.study-steps p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.source-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  color: var(--green-dark);
  background: #fbfaf6;
  border: 1px solid #ded8cc;
  border-radius: 11px;
  text-decoration: none;
}

.source-arrow { direction: ltr; }
.source-card:hover { background: var(--green-soft); }

.empty-state {
  padding: 28px;
  color: var(--muted);
  background: #fbfaf6;
  border-radius: 12px;
  text-align: center;
}

.practice-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.practice-heading h1 { max-width: 800px; font-size: clamp(34px, 5vw, 58px); }
.practice-heading p { color: var(--muted); }

.saved-progress {
  min-width: 190px;
  padding: 14px 16px;
  color: var(--green-dark);
  background: var(--green-soft);
  border-radius: 12px;
  font-size: 14px;
}

.builder-card {
  overflow: hidden;
  padding: 0;
  background: var(--paper);
}

.builder-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(26px, 4vw, 42px) clamp(24px, 5vw, 48px) 24px;
}

.builder-header h2 { margin-block-end: 8px; }

.builder-intro {
  max-inline-size: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.builder-count {
  display: grid;
  flex: 0 0 auto;
  gap: 2px;
  min-inline-size: 142px;
  padding: 13px 16px;
  color: var(--green-dark);
  background: var(--green-soft);
  border: 1px solid #d7e6ee;
  border-radius: 14px;
  text-align: right;
}

.builder-count span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.matching-count {
  color: var(--green-dark);
  font-size: 20px;
  line-height: 1.2;
}

.filter-surface {
  margin-inline: clamp(18px, 4vw, 48px);
  padding: 18px;
  background: #f5f9fb;
  border: 1px solid #e2edf2;
  border-radius: 20px;
}

.filter-surface-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-block-end: 14px;
  padding-inline: 4px;
}

.filter-surface-heading > div {
  display: grid;
  gap: 2px;
}

.filter-surface-heading strong { font-size: 15px; }
.filter-surface-heading span:not(.filter-surface-mark) { color: var(--muted); font-size: 13px; }

.filter-surface-mark {
  color: #9bb4c2;
  direction: ltr;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.filter-field,
.toggle-control {
  min-inline-size: 0;
  min-block-size: 78px;
  padding: 13px 15px 12px;
  background: var(--paper);
  border: 1px solid #dce7ed;
  border-radius: 15px;
  box-shadow: 0 3px 10px rgba(52, 76, 89, .035);
}

.filter-field {
  display: grid;
  align-content: center;
  gap: 4px;
}

.filter-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.select-shell {
  position: relative;
  display: block;
}

.select-shell::after {
  position: absolute;
  inset-inline-start: 3px;
  inset-block-start: 50%;
  inline-size: 7px;
  block-size: 7px;
  border-inline-end: 2px solid #78909d;
  border-block-end: 2px solid #78909d;
  content: "";
  pointer-events: none;
  transform: translateY(-70%) rotate(45deg);
}

.filter-field select {
  min-block-size: 29px;
  padding: 0 0 0 22px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 16px;
  font-weight: 800;
  appearance: none;
  -webkit-appearance: none;
}

.filter-field select:focus-visible {
  outline: 2px solid rgba(74, 117, 145, .35);
  outline-offset: 4px;
}

.toggle-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.toggle-copy {
  display: grid;
  gap: 2px;
}

.toggle-copy strong { font-size: 15px; }
.toggle-copy small { color: var(--muted); font-size: 12px; line-height: 1.35; }

.toggle-switch {
  position: relative;
  flex: 0 0 auto;
  inline-size: 46px;
  block-size: 26px;
}

.toggle-switch input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.toggle-thumb {
  position: absolute;
  inset: 0;
  background: #d9e4ea;
  border: 1px solid #c5d4dc;
  border-radius: 999px;
  transition: background 160ms ease, border-color 160ms ease;
}

.toggle-thumb::after {
  position: absolute;
  inset-block-start: 3px;
  inset-inline-start: 3px;
  inline-size: 18px;
  block-size: 18px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(40, 62, 73, .18);
  content: "";
  transition: transform 160ms ease;
}

.toggle-switch input:checked + .toggle-thumb {
  background: var(--green);
  border-color: var(--green);
}

.toggle-switch input:checked + .toggle-thumb::after { transform: translateX(-20px); }
.toggle-switch input:focus-visible + .toggle-thumb { outline: 3px solid rgba(74, 117, 145, .28); outline-offset: 3px; }

.builder-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-block-start: 18px;
  padding: 18px clamp(24px, 5vw, 48px) 24px;
  border-block-start: 1px solid #edf1f3;
}

.builder-footer-note {
  max-inline-size: 410px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.builder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.builder-actions .primary-button,
.builder-actions .secondary-button {
  min-block-size: 50px;
  padding-inline: 22px;
  border-radius: 13px;
}

.question-catalog {
  margin-block-start: 18px;
  padding: clamp(24px, 5vw, 46px);
  background: #f8fbfc;
  border: 1px solid #e0ebf0;
  border-radius: var(--radius-lg);
  box-shadow: 0 7px 24px rgba(52, 76, 89, .04);
}

.question-catalog-list {
  display: grid;
  gap: 8px;
  max-block-size: 620px;
  overflow: auto;
  padding: 10px;
  background: #eef5f8;
  border: 1px solid #e0ebf0;
  border-radius: 18px;
}

.question-catalog-row {
  display: grid;
  gap: 7px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid transparent;
  border-radius: 13px;
  box-shadow: 0 2px 8px rgba(52, 76, 89, .035);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.question-catalog-row:hover {
  border-color: #c8dce6;
  box-shadow: 0 5px 14px rgba(52, 76, 89, .07);
  transform: translateY(-1px);
}

.question-catalog-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.catalog-exam {
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.question-catalog-meta .badge {
  min-height: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-size: 12px;
}

.question-catalog-meta .badge + .badge {
  padding-inline-start: 10px;
  border-inline-start: 1px solid #dbe6eb;
}

.question-catalog-meta .badge.strong { color: var(--green-dark); }

.question-catalog-stem {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: #435149;
  font-size: 15px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.practice-session { margin-block-start: 18px; }

.practice-session { max-width: 1000px; margin-inline: auto; }

.session-toolbar,
.session-progress,
.question-card {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 7px 24px rgba(54, 48, 37, .045);
}

.session-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.session-toolbar h2,
.session-toolbar p { margin-block-end: 0; }
.session-toolbar #session-description { color: var(--muted); }

.session-progress {
  padding: 15px 22px;
  border-block-start: 0;
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-block-end: 8px;
  font-size: 14px;
}

.progress-copy span { color: var(--muted); }

.progress-track {
  height: 9px;
  overflow: hidden;
  background: #e8e4dc;
  border-radius: 999px;
}

.progress-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--green);
  border-radius: inherit;
  transition: width 180ms ease;
}

.question-card {
  overflow: hidden;
  border-block-start: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.question-meta,
.question-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 22px;
  background: #fbfaf6;
}

.question-meta { border-block-end: 1px solid #e8e2d7; }
.question-navigation { border-block-start: 1px solid #e8e2d7; }

.badge-row { display: flex; flex-wrap: wrap; gap: 6px; }

.icon-button {
  padding: 6px 10px;
  color: var(--muted);
  background: transparent;
  border: 1px solid #d2ccc0;
  border-radius: 9px;
  cursor: pointer;
}

.icon-button:hover { color: var(--green-dark); background: var(--green-soft); }

.question-body { padding: clamp(24px, 5vw, 48px); }

.question-position {
  margin-block-end: 10px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.question-text {
  margin-block-end: 16px;
  max-inline-size: 920px;
  font-size: clamp(20px, 2.5vw, 25px);
  font-weight: 700;
  line-height: 1.58;
  white-space: normal;
}

.question-guidance { color: var(--muted); }

.answer-buttons {
  display: grid;
  gap: 10px;
  margin-block: 22px;
  direction: rtl;
}

.answer-choice {
  display: grid;
  grid-template-columns: 18px 2.2rem minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  min-height: 56px;
  padding: 13px 15px;
  color: var(--ink);
  background: white;
  border: 1px solid #cfc8bb;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  direction: rtl;
  text-align: start;
}

.answer-choice:hover { background: #f7f5ef; }
.answer-choice.selected { background: var(--blue-soft); border-color: #7db0f5; }
.answer-choice.correct { color: var(--green-dark); background: var(--green-soft); border-color: var(--sage); }
.answer-choice.incorrect { color: var(--rose); background: var(--rose-soft); border-color: #e1aaaa; }

.answer-control {
  inline-size: 18px;
  block-size: 18px;
  margin-block-start: 2px;
  background: white;
  border: 2px solid #aeb8c7;
  border-radius: 4px;
}

.answer-choice.selected .answer-control {
  position: relative;
  background: #356fdb;
  border-color: #356fdb;
}

.answer-choice.selected .answer-control::after {
  position: absolute;
  inset: 0;
  color: white;
  content: "✓";
  font-size: 12px;
  font-weight: 800;
  line-height: 14px;
  text-align: center;
}

.answer-choice.correct .answer-control {
  background: var(--green);
  border-color: var(--green);
}

.answer-choice.incorrect .answer-control {
  background: #fff8f8;
  border-color: #d89292;
}

.answer-number {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.55;
}

.answer-text {
  min-inline-size: 0;
  line-height: 1.55;
  text-align: right;
}

.question-text,
.question-catalog-stem,
.option-explanation-title {
  text-align: right;
}

.answer-feedback {
  margin-block-start: 22px;
  padding: 20px;
  background: #f7f5ef;
  border-inline-start: 4px solid var(--green);
  border-radius: 12px 4px 4px 12px;
}

.answer-feedback.wrong { border-inline-start-color: var(--rose); }
.answer-feedback.correct { border-inline-start-color: var(--green); }
.answer-feedback h4 { margin-block-end: 8px; font-size: 20px; }
.answer-feedback p { margin-block-end: 9px; }

.feedback-selected {
  color: var(--muted);
  font-size: 14px;
}

.feedback-main-explanation {
  margin-block: 16px;
  padding-block-start: 14px;
  border-block-start: 1px solid #e3ded4;
}

.feedback-main-explanation strong {
  display: block;
  margin-block-end: 5px;
  color: var(--green-dark);
}

.feedback-copy p:last-child { margin-block-end: 0; }

.option-explanations {
  margin-block-start: 18px;
  background: rgba(255, 255, 255, .65);
  border: 1px solid #ddd7ca;
  border-radius: 11px;
}

.option-explanations > summary {
  padding: 13px 15px;
  color: var(--green-dark);
  font-weight: 800;
  cursor: pointer;
  list-style-position: inside;
}

.option-explanation-list {
  display: grid;
  gap: 8px;
  padding: 0 10px 10px;
}

.option-explanation-item {
  overflow: hidden;
  background: white;
  border: 1px solid #e2ddd3;
  border-radius: 9px;
}

.option-explanation-item[open] { border-color: #b8c9c0; }

.option-explanation-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  cursor: pointer;
  list-style-position: inside;
}

.option-explanation-title {
  min-inline-size: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
}

.option-explanation-status {
  flex: 0 0 auto;
  padding: 4px 8px;
  color: var(--muted);
  background: #f3f0ea;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.option-explanation-status.is-correct {
  color: var(--green-dark);
  background: var(--green-soft);
}

.option-explanation-status.is-selected:not(.is-correct) {
  color: #8e4141;
  background: var(--rose-soft);
}

.option-explanation-body {
  padding: 0 15px 13px 36px;
  color: #4c5852;
  line-height: 1.6;
}

.option-explanation-body p { margin: 0; }

.answer-warning {
  margin-block-end: 0 !important;
  color: var(--amber);
  font-size: 13px;
}

.self-rating {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: 16px;
}

.self-rating button {
  padding: 7px 12px;
  color: var(--green-dark);
  background: white;
  border: 1px solid #b8c9c0;
  border-radius: 9px;
  cursor: pointer;
}

.self-rating button.active { color: white; background: var(--green); }

.question-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
  max-width: 55%;
}

.question-dot {
  inline-size: 11px;
  block-size: 11px;
  padding: 0;
  background: #d6d1c7;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

.question-dot.current { background: var(--green); transform: scale(1.25); }
.question-dot.done { background: var(--sage); }

.site-footer {
  padding: 24px 16px 42px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.toast {
  position: fixed;
  inset-block-end: 24px;
  left: 50%;
  z-index: 60;
  padding: 10px 16px;
  color: white;
  background: var(--ink);
  border-radius: 999px;
  box-shadow: var(--shadow);
  transform: translateX(-50%);
}

@media (max-width: 900px) {
  .hero,
  .split-section { grid-template-columns: 1fr; }

  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .source-grid { grid-template-columns: repeat(2, 1fr); }
  .study-steps { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 132px; }

  .site-header {
    align-items: stretch;
    flex-direction: column;
    gap: 7px;
    padding-block: 8px;
  }

  .main-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .main-nav a { text-align: center; }
  .main-nav .text-button { display: none; }

  main { width: min(100% - 20px, 1180px); padding-block-start: 16px; }

  .hero,
  .content-section,
  .practice-heading { padding: 24px 18px; border-radius: 18px; }

  .builder-card { padding: 0; border-radius: 18px; }
  .builder-header { align-items: stretch; flex-direction: column; padding: 24px 18px 18px; }
  .builder-count { inline-size: 100%; }
  .filter-surface { margin-inline: 10px; padding: 12px; border-radius: 16px; }
  .filter-surface-heading { align-items: start; }
  .builder-footer { align-items: stretch; flex-direction: column; padding: 16px 18px 20px; }
  .builder-actions { display: grid; grid-template-columns: 1fr; }
  .builder-actions button { inline-size: 100%; }

  h1 { font-size: 36px; }

  .metric-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .metric-card { min-height: 122px; padding: 16px; }
  .metric-card strong { font-size: 28px; }

  .tier-card { grid-template-columns: 1fr auto; }
  .tier-meter { grid-column: 1 / -1; grid-row: 2; }

  .section-heading,
  .practice-heading,
  .session-toolbar { align-items: stretch; flex-direction: column; }

  .exam-row { grid-template-columns: 64px 1fr; gap: 9px; }
  .exam-values { grid-column: 2; }

  .family-card { grid-template-columns: 1fr; }
  .family-frequency {
    display: flex;
    align-items: baseline;
    justify-content: start;
    gap: 8px;
    padding: 12px 16px;
    border-inline-end: 0;
    border-block-end: 1px solid #d6e5ec;
  }
  .family-frequency strong { font-size: 24px; }
  .family-frequency-label { font-size: 10px; }
  .family-content { padding: 18px 16px 16px; }
  .family-details { grid-template-columns: 1fr; }
  .family-title-row { flex-direction: column; }
  .family-card-footer { align-items: stretch; flex-direction: column; gap: 10px; }
  .family-expand { inline-size: 100%; }

  .family-dialog { inline-size: calc(100% - 20px); max-block-size: 90vh; border-radius: 18px; }
  .family-dialog-header { gap: 12px; padding: 20px 18px 17px; }
  .family-dialog-body { padding: 18px; }
  .family-dialog-stats { gap: 7px; }
  .family-dialog-stat { padding: 10px 9px; }
  .family-dialog-stat strong { font-size: 16px; }
  .family-dialog-stat span { font-size: 11px; }
  .family-dialog-grid { grid-template-columns: 1fr; }
  .family-dialog-section { padding: 15px; }
  .family-appearance-group { grid-template-columns: 1fr; gap: 7px; }
  .family-dialog-footer { align-items: stretch; flex-direction: column; }
  .family-dialog-footer .secondary-button { inline-size: 100%; }

  .source-grid,
  .filter-grid { grid-template-columns: 1fr; }

  .question-meta,
  .question-navigation { padding-inline: 14px; }
  .question-navigation { flex-wrap: wrap; }
  .question-dots { order: -1; inline-size: 100%; max-width: none; }
  .question-navigation > button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .view { animation: none; }
  .progress-track span { transition: none; }
}