/* ============================================================
   KnowMe — mobile-first, RTL/LTR aware, WCAG 2.1 AA
   ============================================================ */

:root {
  --bg:           #fbfaff;
  --surface:     #ffffff;
  --surface-2:   #f3f0ff;
  --ink:         #1a1130;
  --ink-2:       #4b3f6e;
  --ink-3:       #6f6388;
  --line:        #e3dcfa;
  --primary:     #5a3aff;
  --primary-2:   #7d5cff;
  --primary-ink: #ffffff;
  --accent:      #ff5fa2;
  --success:     #16a874;
  --warn:        #d97706;
  --danger:      #d4314a;
  --shadow-sm:   0 2px 8px rgba(90,58,255,.08);
  --shadow-md:   0 8px 24px rgba(90,58,255,.12);
  --shadow-lg:   0 20px 50px rgba(90,58,255,.18);
  --radius:      14px;
  --radius-lg:   22px;
  --radius-pill: 999px;
  --pad:         16px;
  --gap:         12px;
  --tap:         44px;
  --tap-lg:      52px;
  --tx-base:     16px;
  --tx-lg:       18px;
  --tx-xl:       22px;
  --tx-2xl:      28px;
  --tx-3xl:      36px;
  --tx-4xl:      44px;
  --max-w:       720px;
  --max-w-wide:  1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0f0a1e;
    --surface:   #181229;
    --surface-2: #221941;
    --ink:       #f6f3ff;
    --ink-2:     #cdc2ec;
    --ink-3:     #9f93bc;
    --line:      #2b1f4a;
    --primary:   #8d6dff;
    --primary-2: #a98bff;
    --primary-ink:#0e0822;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,.5);
    --shadow-lg: 0 20px 50px rgba(0,0,0,.6);
  }
}

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

html { -webkit-text-size-adjust: 100%; }

html[lang="ar"] body { font-family: 'Cairo', system-ui, sans-serif; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Rubik', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: var(--tx-base);
  line-height: 1.55;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; color: var(--ink); font-weight: 700; }
h1 { font-size: var(--tx-3xl); }
h2 { font-size: var(--tx-2xl); }
h3 { font-size: var(--tx-xl); }
p  { margin: 0 0 1em; color: var(--ink-2); }

a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--primary-2); }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }
.container-wide { max-width: var(--max-w-wide); margin: 0 auto; padding: 0 var(--pad); }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  inset-inline-start: 12px;
  top: -100px;
  background: var(--primary);
  color: var(--primary-ink);
  padding: 10px 16px;
  border-radius: var(--radius);
  z-index: 100;
  text-decoration: none;
  transition: top .15s;
}
.skip-link:focus { top: 12px; }

/* ===== header ===== */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 10px; padding-bottom: 10px;
  min-height: var(--tap-lg);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: var(--tx-lg);
  text-decoration: none; color: var(--ink);
}
.brand-mark { font-size: 1.5em; }
.lang-nav select {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 8px 12px;
  min-height: var(--tap);
  min-width: 110px;
}

/* ===== buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 700;
  padding: 14px 22px;
  min-height: var(--tap-lg);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform .08s ease, background .15s, border-color .15s, box-shadow .15s;
  user-select: none;
  touch-action: manipulation;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: var(--primary-ink);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover { background: var(--surface-2); }
.btn-ghost { background: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none; }
.btn-block { width: 100%; }

/* ===== forms ===== */
label { font-weight: 600; color: var(--ink); display: block; margin-bottom: 6px; }
.field { margin-bottom: 18px; }
.field-help { font-size: 14px; color: var(--ink-3); margin-top: 6px; }
input[type="text"], input[type="email"], textarea, select {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  min-height: var(--tap-lg);
  background: var(--surface);
  color: var(--ink);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
input:focus, textarea:focus, select:focus { border-color: var(--primary); }

/* checkbox row */
.check-row {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.check-row input[type="checkbox"] {
  width: 22px; height: 22px;
  accent-color: var(--primary);
  flex: 0 0 auto;
  margin-top: 2px;
}
.check-row label { font-weight: 500; margin: 0; cursor: pointer; }

/* ===== cards ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }

/* ===== hero ===== */
.hero { padding: 36px 0 28px; text-align: center; }
.hero h1 { font-size: var(--tx-4xl); margin-bottom: 12px; }
.hero .lede { font-size: var(--tx-lg); color: var(--ink-2); max-width: 560px; margin: 0 auto 24px; }
.hero .cta-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ===== steps ===== */
.steps { display: grid; gap: 14px; margin: 28px 0; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { padding: 20px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); }
.step h3 { margin-bottom: 6px; }
.step p { margin: 0; font-size: 15px; }

/* ===== wizard ===== */
.progress { height: 8px; background: var(--surface-2); border-radius: var(--radius-pill); overflow: hidden; margin: 14px 0 20px; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); transition: width .25s; }

.cat-tabs { display: flex; gap: 8px; overflow-x: auto; padding: 8px 0 12px; scrollbar-width: thin; }
.cat-tab {
  flex: 0 0 auto;
  background: var(--surface);
  border: 2px solid var(--line);
  color: var(--ink-2);
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  min-height: var(--tap);
}
.cat-tab[aria-selected="true"] { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }

.q-list { display: grid; gap: 10px; }
.q-card {
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  position: relative;
}
.q-card.selected { border-color: var(--primary); background: var(--surface-2); }
.q-card .q-text { font-weight: 600; }
.q-card .q-check {
  position: absolute;
  inset-inline-end: 14px; top: 14px;
  width: 24px; height: 24px;
  border: 2px solid var(--line);
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--surface);
}
.q-card.selected .q-check { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }

.opt-list { display: grid; gap: 10px; margin: 14px 0 0; }
.opt {
  display: flex; align-items: center; gap: 10px;
  padding: 14px;
  border: 2px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
  text-align: start;
  min-height: var(--tap-lg);
  color: var(--ink);
}
.opt:hover { border-color: var(--primary-2); }
.opt.is-selected { border-color: var(--primary); background: var(--surface-2); color: var(--ink); }
.opt-bullet {
  width: 22px; height: 22px;
  border: 2px solid var(--line);
  border-radius: 50%;
  flex: 0 0 auto;
}
.opt.is-selected .opt-bullet { background: var(--primary); border-color: var(--primary); }

/* sticky bottom bar */
.sticky-bar {
  position: sticky; bottom: 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  padding: 12px var(--pad) calc(12px + env(safe-area-inset-bottom));
  display: flex; gap: 10px; align-items: center; justify-content: space-between;
  margin-top: 20px;
}
.sticky-bar .count { font-weight: 700; color: var(--primary); }

/* ===== quiz taker ===== */
.taker {
  padding: 24px 0 80px;
}
.taker .q-num { color: var(--ink-3); font-size: 14px; margin-bottom: 6px; }
.taker .q-text { font-size: var(--tx-xl); margin-bottom: 18px; font-weight: 700; }

/* ===== score screen ===== */
.score-hero {
  text-align: center;
  padding: 28px 0;
}
.score-circle {
  width: 160px; height: 160px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: conic-gradient(var(--primary) var(--p, 0%), var(--surface-2) 0);
  display: grid; place-items: center;
  position: relative;
}
.score-circle::after {
  content: '';
  position: absolute;
  inset: 12px;
  background: var(--surface);
  border-radius: 50%;
}
.score-circle .num { position: relative; font-size: var(--tx-3xl); font-weight: 800; }

/* ===== leaderboard ===== */
.lb-list { list-style: none; padding: 0; margin: 0; }
.lb-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 8px;
}
.lb-rank { font-weight: 800; min-width: 28px; color: var(--ink-3); }
.lb-name { flex: 1; font-weight: 600; }
.lb-score { font-weight: 700; color: var(--primary); }

/* ===== paywall ===== */
.paywall {
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border: 1px dashed var(--primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin: 20px 0;
}
.paywall h3 { color: var(--primary); }
.paywall .price { font-size: var(--tx-2xl); font-weight: 800; color: var(--primary); margin: 12px 0; }
.paywall .price small { font-size: 14px; color: var(--ink-3); display: block; font-weight: 500; }

#paypal-button-container { max-width: 360px; margin: 16px auto 0; }
.payment-status { margin-top: 10px; min-height: 22px; font-weight: 600; }
.payment-status.success { color: var(--success); }
.payment-status.error { color: var(--danger); }

/* ===== distribution bars (admin friends detail) ===== */
.qa-block { padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-bottom: 12px; }
.qa-text { font-weight: 700; margin-bottom: 10px; }
.bar-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; margin-bottom: 6px; }
.bar-label { font-size: 14px; }
.bar-label.you { color: var(--primary); font-weight: 700; }
.bar-track { grid-column: 1 / -1; height: 8px; background: var(--surface-2); border-radius: var(--radius-pill); overflow: hidden; margin-bottom: 8px; }
.bar-fill { height: 100%; background: var(--primary); border-radius: var(--radius-pill); transition: width .3s; }
.bar-fill.you { background: var(--accent); }

/* ===== personality reading ===== */
.reading {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  font-size: var(--tx-lg);
  line-height: 1.75;
  white-space: pre-wrap;
}
.disclaimer {
  background: var(--surface-2);
  border-inline-start: 4px solid var(--primary);
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-2);
  margin: 16px 0;
}

/* ===== footer ===== */
.site-footer {
  margin-top: 40px;
  padding: 24px 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 14px;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 16px 20px; margin-bottom: 8px; }
.footer-nav a { color: var(--ink-2); text-decoration: none; }
.footer-nav a:hover { color: var(--primary); }

/* ===== cookie banner ===== */
.cookie-banner {
  position: fixed; inset: auto 12px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  box-shadow: var(--shadow-lg);
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between;
  z-index: 60;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; color: var(--ink-2); flex: 1; min-width: 200px; }
.cookie-banner button {
  font: inherit; font-weight: 700;
  padding: 8px 18px; min-height: var(--tap);
  background: var(--primary); color: var(--primary-ink);
  border: 0; border-radius: var(--radius-pill); cursor: pointer;
}

/* ===== error ===== */
.error-page { text-align: center; padding: 60px 0; }
.error-page h1 { font-size: var(--tx-4xl); }

/* ===== utilities ===== */
.muted { color: var(--ink-3); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.legal { line-height: 1.7; padding: 24px 0 40px; }
.legal h1 { margin-bottom: 12px; }
.legal h2 { margin-top: 28px; }
.legal p, .legal li { color: var(--ink-2); }

/* respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* RTL fine adjustments handled by CSS logical properties; legacy fixes here if needed */
[dir="rtl"] .lb-rank { min-width: 28px; }

/* high contrast for users who request it */
@media (prefers-contrast: more) {
  :root { --line: #000; --ink-3: #333; --ink-2: #000; }
  .btn-secondary, .opt, .q-card, .cat-tab { border-width: 2px; }
}