/* ================================================================
   QuizApp — style.css   (tek dosya: base + landing + quiz + admin)
   Modern minimal · indigo/violet
   ================================================================ */
:root {
  --primary:#6366f1; --primary-dark:#4f46e5;
  --ink:#0f1222; --ink2:#454b5f; --muted:#8b90a3;
  --bg:#f6f7fb; --card:#ffffff; --line:#e6e8f0;
  --success:#10b981; --danger:#ef4444; --warning:#f59e0b;
  --radius:14px; --radius-lg:22px; --radius-sm:9px;
  --shadow-sm:0 1px 3px rgba(16,24,40,.06);
  --shadow:0 10px 30px rgba(16,24,40,.08);
  --shadow-lg:0 24px 60px rgba(16,24,40,.14);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  /* qx paleti (quiz motoru + duraklat katmanı body'de olduğu için global) */
  --qx-ink:#0f1222; --qx-ink2:#454b5f; --qx-muted:#8b90a3;
  --qx-a1:#6366f1; --qx-a2:#8b5cf6; --qx-a3:#06b6d4;
  --qx-safe:#10b981; --qx-warn:#f59e0b; --qx-danger:#ef4444; --qx-line:#e6e8f0;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body { font-family:var(--font); background:var(--bg); color:var(--ink2); line-height:1.6; min-height:100vh; display:flex; flex-direction:column; -webkit-font-smoothing:antialiased; }
a { color:var(--primary); text-decoration:none; transition:.2s; }
img { max-width:100%; display:block; }
ul,ol { list-style:none; }
h1,h2,h3,h4 { color:var(--ink); line-height:1.15; letter-spacing:-.02em; }
.container { width:100%; max-width:1120px; margin:0 auto; padding:0 22px; }
.site-main { flex:1 0 auto; }

/* ── Header ─────────────────────────────────────── */
.site-header { position:sticky; top:0; z-index:100; background:rgba(255,255,255,.82); backdrop-filter:blur(12px); border-bottom:1px solid var(--line); }
.site-header .container { display:flex; align-items:center; justify-content:space-between; height:66px; }
.logo { display:flex; align-items:center; gap:11px; }
.logo-icon { width:38px; height:38px; border-radius:11px; display:grid; place-items:center; color:#fff; font-size:18px; background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); box-shadow:0 6px 16px rgba(99,102,241,.35); }
.logo-text { display:flex; flex-direction:column; line-height:1.1; }
.logo-main { font-weight:800; font-size:16px; color:var(--ink); letter-spacing:-.02em; }
.logo-sub { font-size:11px; color:var(--muted); font-weight:500; }
.main-nav { display:flex; align-items:center; gap:6px; }
.nav-link { padding:9px 15px; border-radius:10px; font-weight:600; font-size:14px; color:var(--ink2); }
.nav-link:hover { background:#eef0f6; color:var(--ink); }
.nav-link.active { color:var(--primary); }
.nav-cta { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff !important; box-shadow:0 6px 16px rgba(99,102,241,.3); }
.nav-cta:hover { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); filter:brightness(1.05); }
.nav-toggle { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span { width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.25s; }
.nav-toggle.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ── Footer ─────────────────────────────────────── */
.site-footer { flex-shrink:0; background:#fff; border-top:1px solid var(--line); margin-top:40px; }
.footer-inner { display:flex; align-items:center; justify-content:space-between; padding:28px 0 18px; flex-wrap:wrap; gap:16px; }
.logo--footer { gap:9px; }
.logo--footer .logo-icon { width:32px; height:32px; font-size:15px; }
.footer-nav { display:flex; gap:22px; }
.footer-nav a { color:var(--ink2); font-size:14px; font-weight:500; }
.footer-nav a:hover { color:var(--primary); }
.footer-bottom { padding:16px 0; border-top:1px solid var(--line); font-size:13px; color:var(--muted); text-align:center; }

/* ── qx butonlar ────────────────────────────────── */
.qx-btn { display:inline-flex; align-items:center; justify-content:center; gap:9px; padding:14px 26px; border-radius:14px; border:none; cursor:pointer; font:inherit; font-weight:600; font-size:15px; text-decoration:none; transition:transform .18s ease, box-shadow .22s ease, background .2s; }
.qx-btn-primary { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff; box-shadow:0 10px 24px rgba(99,102,241,.32); }
.qx-btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 32px rgba(99,102,241,.44); color:#fff; }
.qx-btn-ghost { background:rgba(255,255,255,.75); color:var(--ink); border:1.5px solid var(--line); }
.qx-btn-ghost:hover { background:#fff; transform:translateY(-2px); color:var(--ink); }
.qx-btn-block { width:100%; }
.qx-btn-lg { padding:16px 34px; font-size:16px; border-radius:16px; }
.qx-btn-sm { padding:10px 16px; font-size:13px; border-radius:11px; }

/* ── qx canvas + dinamik arka plan ──────────────── */
.qx { position:relative; min-height:70vh; background:var(--bg); overflow:hidden; }
.qx > *:not(.qx-bg) { position:relative; z-index:1; }
.qx-bg { position:absolute; inset:0; z-index:0; pointer-events:none; transition:background .9s ease; }
.qx-bg--calm { background:
  radial-gradient(1000px 520px at 50% -12%, rgba(99,102,241,.10), transparent 66%),
  radial-gradient(760px 420px at 92% 108%, rgba(139,92,246,.08), transparent 70%); }

/* ── Hero ───────────────────────────────────────── */
.qx-hero { padding:80px 0 44px; text-align:center; }
.qx-hero-inner { max-width:840px; margin:0 auto; }
.qx-badge { display:inline-flex; align-items:center; gap:8px; padding:8px 16px; border-radius:999px; background:rgba(99,102,241,.10); color:var(--qx-a1); font-weight:600; font-size:13px; margin-bottom:26px; animation:qxUp .6s ease both; }
.qx-dot { width:8px; height:8px; border-radius:50%; background:var(--qx-safe); animation:qxPulse 2s infinite; }
.qx-hero-title { font-weight:800; font-size:clamp(40px,7vw,70px); line-height:1.02; letter-spacing:-.03em; color:var(--ink); margin-bottom:22px; animation:qxUp .6s .04s ease both; }
.qx-hero-title span { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2) 55%,var(--qx-a3)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.qx-hero-sub { font-size:clamp(16px,2.1vw,20px); color:var(--ink2); max-width:620px; margin:0 auto 34px; line-height:1.6; animation:qxUp .6s .08s ease both; }
.qx-hero-cta { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:54px; animation:qxUp .6s .12s ease both; }
.qx-hero-stats { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; animation:qxUp .6s .16s ease both; }
.qx-stat { background:rgba(255,255,255,.72); backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,.9); border-radius:18px; padding:16px 26px; min-width:118px; box-shadow:var(--shadow-sm); }
.qx-stat b { display:block; font-size:28px; font-weight:800; color:var(--ink); letter-spacing:-.02em; }
.qx-stat span { font-size:12.5px; color:var(--muted); font-weight:500; }

/* ── Bölüm başlığı ──────────────────────────────── */
.qx-sec-head { text-align:center; margin-bottom:44px; }
.qx-eyebrow { display:inline-flex; align-items:center; gap:7px; font-weight:600; font-size:13px; color:var(--qx-a1); margin-bottom:12px; }
.qx-sec-head h2 { font-weight:800; font-size:clamp(26px,4vw,40px); letter-spacing:-.025em; }

/* ── Özellikler ─────────────────────────────────── */
.qx-features { padding:56px 0; }
.qx-feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.qx-feature { background:rgba(255,255,255,.72); backdrop-filter:blur(10px); border:1px solid rgba(230,232,240,.9); border-radius:22px; padding:28px 24px; transition:transform .2s ease, box-shadow .25s ease; }
.qx-feature:hover { transform:translateY(-6px); box-shadow:0 18px 42px rgba(16,24,40,.10); }
.qx-feature-ic { width:52px; height:52px; border-radius:15px; display:grid; place-items:center; font-size:22px; color:#fff; background:var(--c,var(--qx-a1)); margin-bottom:18px; }
.qx-feature h3 { font-weight:700; font-size:17px; margin-bottom:8px; }
.qx-feature p { font-size:14px; color:var(--ink2); line-height:1.6; }

/* ── Nasıl çalışır ──────────────────────────────── */
.qx-how { padding:56px 0; }
.qx-steps { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.qx-step { background:#fff; border:1px solid var(--line); border-radius:22px; padding:30px 26px; position:relative; }
.qx-step-no { display:grid; place-items:center; width:40px; height:40px; border-radius:12px; background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff; font-weight:800; font-size:17px; margin-bottom:16px; }
.qx-step h3 { font-size:18px; font-weight:700; margin-bottom:8px; }
.qx-step p { font-size:14px; color:var(--ink2); }

/* ── CTA bandı ──────────────────────────────────── */
.qx-cta { padding:20px 0 76px; }
.qx-cta-card { text-align:center; background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff; border-radius:28px; padding:56px 30px; box-shadow:0 24px 60px rgba(99,102,241,.34); }
.qx-cta-card h2 { color:#fff; font-size:clamp(26px,4vw,38px); font-weight:800; margin-bottom:10px; }
.qx-cta-card p { opacity:.9; margin-bottom:26px; font-size:16px; }
.qx-cta-card .qx-btn-primary { background:#fff; color:var(--qx-a1); box-shadow:0 12px 30px rgba(0,0,0,.2); }
.qx-cta-card .qx-btn-primary:hover { color:var(--qx-a1); }

/* ── Kurulum kartı (app) ────────────────────────── */
.qx-setup { padding:44px 0 80px; }
.qx-app-head { text-align:center; margin-bottom:28px; }
.qx-app-head h1 { font-size:clamp(28px,5vw,44px); font-weight:800; margin:6px 0 8px; }
.qx-app-head p { color:var(--ink2); }
.qx-setup-card { max-width:720px; margin:0 auto; background:#fff; border:1px solid #eceef4; border-radius:28px; padding:38px; box-shadow:0 20px 60px rgba(16,24,40,.08); }
.qx-form { display:grid; grid-template-columns:1fr 1fr; gap:18px 20px; }
.qx-field { display:flex; flex-direction:column; gap:8px; }
.qx-field > label { font-weight:600; font-size:13px; color:var(--ink2); display:flex; align-items:center; gap:7px; }
.qx-hint { color:var(--muted); font-weight:500; }
.qx-select { position:relative; }
.qx-select select { appearance:none; -webkit-appearance:none; width:100%; padding:14px 44px 14px 16px; border-radius:14px; border:1.5px solid var(--line); background:#fff; font:inherit; font-size:15px; color:var(--ink); cursor:pointer; transition:.2s; }
.qx-select select:focus { outline:none; border-color:var(--qx-a1); box-shadow:0 0 0 4px rgba(99,102,241,.14); }
.qx-select i { position:absolute; right:16px; top:50%; transform:translateY(-50%); color:var(--muted); pointer-events:none; font-size:12px; }
.qx-seg { display:inline-flex; background:#eef0f6; border-radius:14px; padding:4px; gap:4px; }
.qx-seg input { position:absolute; opacity:0; pointer-events:none; }
.qx-seg label { flex:1; text-align:center; padding:11px 18px; border-radius:10px; font-weight:600; font-size:14px; color:var(--muted); cursor:pointer; transition:.2s; }
.qx-seg input:checked + label { background:#fff; color:var(--ink); box-shadow:0 2px 8px rgba(16,24,40,.10); }
.qx-form .qx-btn-block { grid-column:1 / -1; margin-top:6px; }

/* ── Runner ─────────────────────────────────────── */
.quiz-container { max-width:760px; margin:0 auto; padding:44px 0 60px; }
.quiz-progress { background:rgba(255,255,255,.85); backdrop-filter:blur(8px); border:1px solid #eceef4; box-shadow:var(--shadow-sm); border-radius:var(--radius-lg); padding:16px 22px; margin-bottom:22px; display:flex; align-items:center; gap:16px; }
.progress-bar-wrap { flex:1; background:var(--line); border-radius:20px; height:8px; overflow:hidden; }
.progress-bar { height:100%; background:linear-gradient(90deg,var(--qx-a1),var(--qx-a2)); border-radius:20px; transition:width .4s ease; }
.progress-text { font-size:13px; font-weight:700; color:var(--ink2); white-space:nowrap; }
.quiz-controls { display:flex; align-items:center; gap:8px; }
.quiz-timer { display:inline-flex; align-items:center; gap:6px; font-size:14px; font-weight:700; color:var(--ink); background:#fff; border:1px solid var(--line); border-radius:20px; padding:5px 13px; font-variant-numeric:tabular-nums; }
.quiz-timer.az { color:var(--danger); border-color:var(--danger); background:#fff5f5; animation:qxPulse2 1s ease-in-out infinite; }
.quiz-pause { width:34px; height:34px; border-radius:10px; border:1px solid var(--line); background:#fff; color:var(--ink2); cursor:pointer; display:grid; place-items:center; font-size:13px; transition:.18s; }
.quiz-pause:hover { background:var(--qx-a1); color:#fff; border-color:var(--qx-a1); }

.quiz-card { background:#fff; border:1px solid #eceef4; border-radius:28px; box-shadow:0 20px 50px rgba(16,24,40,.08); padding:38px; }
.quiz-meta { display:flex; gap:8px; margin-bottom:18px; flex-wrap:wrap; }
.quiz-chip { font-size:12px; font-weight:600; padding:5px 12px; border-radius:999px; background:#eef0f6; color:var(--ink2); text-transform:capitalize; }
.quiz-chip--kolay { background:rgba(16,185,129,.12); color:#0f9d6e; }
.quiz-chip--orta  { background:rgba(245,158,11,.16); color:#b45309; }
.quiz-chip--zor   { background:rgba(239,68,68,.12); color:#dc2626; }
.quiz-soru { font-weight:700; font-size:19px; color:var(--ink); line-height:1.5; margin-bottom:26px; }
.secenekler { display:flex; flex-direction:column; gap:10px; }
.secenek { display:flex; align-items:center; gap:12px; padding:15px 18px; border-radius:16px; border:1.5px solid var(--line); background:#fff; cursor:pointer; font-size:15px; font-family:inherit; color:var(--ink2); transition:.18s; text-align:left; }
.secenek:hover:not(.disabled) { border-color:var(--qx-a1); background:#f5f6ff; transform:translateX(3px); }
.secenek.selected { border-color:var(--qx-a1); background:#eef0ff; box-shadow:0 0 0 3px rgba(99,102,241,.14); }
.secenek.dogru { border-color:var(--success); background:#f0fdf9; color:#0f9d6e; }
.secenek.yanlis { border-color:var(--danger); background:#fff5f5; color:#dc2626; }
.secenek.disabled { cursor:default; }
.secenek-harf { width:28px; height:28px; flex-shrink:0; border-radius:9px; display:grid; place-items:center; font-size:12px; font-weight:700; background:#eef0f6; border:1px solid var(--line); transition:.18s; }
.secenek.selected .secenek-harf { background:var(--qx-a1); color:#fff; border-color:var(--qx-a1); }
.secenek.dogru .secenek-harf { background:var(--success); color:#fff; border-color:var(--success); }
.secenek.yanlis .secenek-harf { background:var(--danger); color:#fff; border-color:var(--danger); }
.quiz-aciklama { margin-top:18px; padding:14px 18px; border-radius:14px; background:#fffbeb; border:1px solid #f6e9a0; font-size:13px; color:#7a5c00; display:none; line-height:1.6; }
.quiz-aciklama.open { display:block; }
.quiz-aciklama strong { color:#5a4000; }
.quiz-actions { margin-top:24px; display:flex; justify-content:space-between; gap:10px; }

/* ── Sonuç ──────────────────────────────────────── */
.quiz-sonuc { max-width:520px; margin:44px auto 60px; text-align:center; background:#fff; border:1px solid #eceef4; border-radius:28px; box-shadow:0 20px 50px rgba(16,24,40,.08); padding:40px; }
.quiz-sonuc.has-detay { max-width:680px; }
.sure-doldu { background:#fff5f5; border:1px solid var(--danger); color:var(--danger); border-radius:12px; padding:10px 16px; font-size:13px; font-weight:600; margin-bottom:20px; }
.sonuc-daire { width:120px; height:120px; border-radius:50%; border:6px solid; display:flex; flex-direction:column; align-items:center; justify-content:center; margin:0 auto 22px; }
.sonuc-daire.basarili { border-color:var(--success); color:var(--success); }
.sonuc-daire.orta { border-color:var(--warning); color:var(--warning); }
.sonuc-daire.zayif { border-color:var(--danger); color:var(--danger); }
.sonuc-puan { font-size:34px; font-weight:800; line-height:1; }
.sonuc-label { font-size:12px; font-weight:600; }
.quiz-sonuc h2 { font-weight:800; }
.sonuc-ozet { margin:12px 0 24px; color:var(--muted); }
.sonuc-butonlar { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:24px; }

.konu-analiz { text-align:left; margin:8px 0 4px; padding:20px; background:var(--bg); border-radius:16px; }
.konu-analiz h3, .quiz-review h3 { font-size:15px; color:var(--ink); margin:0 0 16px; display:flex; align-items:center; gap:8px; }
.analiz-satir { margin-bottom:14px; }
.analiz-satir:last-child { margin-bottom:0; }
.analiz-ust { display:flex; justify-content:space-between; font-size:13px; font-weight:600; color:var(--ink); margin-bottom:6px; }
.analiz-bar-wrap { background:var(--line); border-radius:20px; height:8px; overflow:hidden; }
.analiz-bar { height:100%; border-radius:20px; transition:width .5s ease; }
.analiz-bar.basarili { background:var(--success); }
.analiz-bar.orta { background:var(--warning); }
.analiz-bar.zayif { background:var(--danger); }

.quiz-review { text-align:left; margin-top:20px; }
.review-satir { border:1px solid var(--line); border-left-width:4px; border-radius:14px; padding:12px 16px; margin-bottom:10px; }
.review-satir.dogru { border-left-color:var(--success); }
.review-satir.yanlis { border-left-color:var(--danger); }
.review-satir.bos { border-left-color:var(--muted); }
.review-baslik { font-size:14px; font-weight:600; color:var(--ink); line-height:1.5; }
.review-satir.dogru .review-baslik i { color:var(--success); }
.review-satir.yanlis .review-baslik i { color:var(--danger); }
.review-satir.bos .review-baslik i { color:var(--muted); }
.review-cevap { font-size:13px; color:var(--muted); margin-top:6px; }
.review-cevap b { color:var(--ink); }
.review-aciklama { font-size:12.5px; color:#7a5c00; background:#fffbeb; border-radius:8px; padding:8px 12px; margin-top:8px; line-height:1.5; }

/* ── Duraklat katmanı ───────────────────────────── */
.qx-pause { position:fixed; inset:0; z-index:2000; display:grid; place-items:center; padding:20px; background:rgba(15,16,32,.55); backdrop-filter:blur(10px); animation:qxFade .25s ease; }
.qx-pause-box { background:#fff; border-radius:26px; padding:44px 40px; text-align:center; max-width:360px; width:100%; box-shadow:0 30px 80px rgba(0,0,0,.35); }
.qx-pause-box > i { font-size:52px; color:var(--qx-a1); margin-bottom:16px; }
.qx-pause-box h3 { font-weight:800; font-size:24px; margin-bottom:8px; }
.qx-pause-box p { color:var(--ink2); font-size:14px; margin-bottom:24px; }

/* ── Yükleniyor / boş ───────────────────────────── */
.qx-loading { text-align:center; padding:60px 20px; color:var(--muted); font-size:15px; }
.qx-empty { text-align:center; padding:56px 24px; background:#fff; border:1px solid #eceef4; border-radius:24px; max-width:520px; margin:44px auto; box-shadow:var(--shadow-sm); }
.qx-empty i { font-size:40px; color:var(--muted); margin-bottom:14px; }
.qx-empty h3 { font-weight:700; margin-bottom:6px; }
.qx-empty p { color:var(--muted); margin-bottom:18px; }

@keyframes qxPulse { 0%,100% { box-shadow:0 0 0 4px rgba(16,185,129,.20); } 50% { box-shadow:0 0 0 8px rgba(16,185,129,.05); } }
@keyframes qxPulse2 { 50% { opacity:.55; } }
@keyframes qxFade { from { opacity:0; } to { opacity:1; } }
@keyframes qxUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:none; } }

/* ================================================================
   ADMIN
   ================================================================ */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:11px 20px; border-radius:11px; border:none; cursor:pointer; font:inherit; font-weight:600; font-size:14px; text-decoration:none; transition:.18s; }
.btn-primary { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff; box-shadow:0 6px 16px rgba(99,102,241,.28); }
.btn-primary:hover { filter:brightness(1.05); transform:translateY(-1px); color:#fff; }
.btn-secondary { background:#eef0f6; color:var(--ink); }
.btn-secondary:hover { background:#e2e5ee; color:var(--ink); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-danger:hover { filter:brightness(.95); color:#fff; }
.btn-sm { padding:8px 14px; font-size:13px; border-radius:9px; }

.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:13px; font-weight:600; color:var(--ink2); margin-bottom:6px; }
.form-control { width:100%; padding:11px 14px; border:1.5px solid var(--line); border-radius:11px; font:inherit; font-size:14px; color:var(--ink); background:#fff; transition:.18s; }
.form-control:focus { outline:none; border-color:var(--qx-a1); box-shadow:0 0 0 4px rgba(99,102,241,.14); }
textarea.form-control { resize:vertical; }

.alert { padding:13px 16px; border-radius:11px; font-size:13.5px; margin-bottom:18px; display:flex; align-items:center; gap:9px; }
.alert-success { background:#e9fbf3; color:#0f7f5b; border:1px solid #a7f0d1; }
.alert-danger { background:#fef1f1; color:#b42323; border:1px solid #f7bcbc; }

.admin-body { display:block; background:#eef1f6; }
.admin-login { min-height:100vh; display:grid; place-items:center; padding:24px; background:linear-gradient(135deg,#4f46e5,#7c3aed); }
.admin-login-card { background:#fff; border-radius:22px; box-shadow:0 24px 60px rgba(0,0,0,.3); padding:38px 34px; width:100%; max-width:400px; }
.admin-login-card .logo { justify-content:center; margin-bottom:24px; }

.admin-sidebar { position:fixed; top:0; left:0; width:250px; height:100vh; background:#fff; border-right:1px solid var(--line); overflow-y:auto; }
.admin-logo { padding:20px 22px; border-bottom:1px solid var(--line); }
.admin-menu { padding:14px 12px; }
.admin-menu-group { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:.5px; color:var(--muted); padding:14px 12px 6px; }
.admin-menu-item { display:flex; align-items:center; gap:11px; padding:11px 13px; border-radius:11px; color:var(--ink2); font-size:14px; font-weight:500; margin-bottom:2px; }
.admin-menu-item i { width:18px; text-align:center; color:var(--muted); }
.admin-menu-item:hover { background:#eef0f6; color:var(--ink); }
.admin-menu-item.active { background:linear-gradient(135deg,var(--qx-a1),var(--qx-a2)); color:#fff; }
.admin-menu-item.active i { color:#fff; }

.admin-main { margin-left:250px; min-height:100vh; }
.admin-topbar { display:flex; align-items:center; justify-content:space-between; background:#fff; border-bottom:1px solid var(--line); padding:16px 28px; position:sticky; top:0; z-index:10; }
.admin-topbar h1 { font-size:18px; display:flex; align-items:center; gap:10px; }
.admin-content { padding:28px; }

.admin-stats-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:16px; margin-bottom:24px; }
.admin-stat-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px; display:flex; align-items:center; gap:16px; }
.admin-stat-icon { width:48px; height:48px; border-radius:13px; display:grid; place-items:center; color:#fff; font-size:20px; }
.admin-stat-icon.blue { background:#6366f1; } .admin-stat-icon.gold { background:#f59e0b; }
.admin-stat-icon.red { background:#ef4444; } .admin-stat-icon.green { background:#10b981; }
.admin-stat-num { font-size:26px; font-weight:800; color:var(--ink); line-height:1; }
.admin-stat-lbl { font-size:13px; color:var(--muted); margin-top:3px; }

.admin-form-card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:26px; }
.admin-table-wrap { background:#fff; border:1px solid var(--line); border-radius:16px; overflow:hidden; overflow-x:auto; }
.admin-table { width:100%; border-collapse:collapse; font-size:14px; }
.admin-table th { text-align:left; padding:13px 16px; background:#f7f8fb; color:var(--ink2); font-weight:700; font-size:12px; text-transform:uppercase; letter-spacing:.3px; border-bottom:1px solid var(--line); }
.admin-table td { padding:13px 16px; border-bottom:1px solid var(--line); color:var(--ink2); }
.admin-table tr:last-child td { border-bottom:none; }
.admin-table tr:hover td { background:#fafbfd; }
.badge { display:inline-block; padding:3px 10px; border-radius:999px; font-size:12px; font-weight:600; }
.badge-primary { background:rgba(99,102,241,.14); color:#4f46e5; }
.badge-success { background:rgba(16,185,129,.14); color:#0f9d6e; }
.badge-danger { background:rgba(239,68,68,.14); color:#dc2626; }
.badge-warning { background:rgba(245,158,11,.16); color:#b45309; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width:860px) {
  .nav-toggle { display:flex; }
  .main-nav { position:absolute; top:66px; left:0; right:0; background:#fff; border-bottom:1px solid var(--line); flex-direction:column; align-items:stretch; padding:12px 16px; gap:4px; display:none; box-shadow:var(--shadow); }
  .main-nav.open { display:flex; }
  .nav-cta { text-align:center; margin-top:6px; }
  .admin-sidebar { transform:translateX(-100%); transition:.25s; z-index:200; }
  .admin-main { margin-left:0; }
}
@media (max-width:760px) {
  .qx-hero { padding:54px 0 30px; }
  .qx-form { grid-template-columns:1fr; }
  .qx-feature-grid { grid-template-columns:1fr 1fr; }
  .qx-steps { grid-template-columns:1fr; }
  .qx-setup-card { padding:26px 20px; border-radius:22px; }
  .quiz-card { padding:26px 20px; }
}
@media (max-width:480px) {
  .qx-feature-grid { grid-template-columns:1fr; }
  .qx-stat { min-width:calc(50% - 8px); padding:14px; }
  .qx-hero-cta .qx-btn { width:100%; }
  .footer-inner { flex-direction:column; text-align:center; }
}