/* =========================================================
   Akademi Ehliyet E-Sınav — Tasarım Sistemi v2
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  --bg:        #0b1020;
  --bg2:       #121a2e;
  --panel:     #151d33;
  --panel-2:   #1b2540;
  --line:      #263252;
  --line-soft: #1e2942;

  --text:      #eaf0ff;
  --text-2:    #c3cde6;
  --muted:     #8695b8;

  --accent:    #4f8cff;
  --accent-2:  #7c5cff;
  --accent-ink:#ffffff;

  --ok:        #22c55e;
  --warn:      #f59e0b;
  --danger:    #ef4444;
  --cyan:      #06b6d4;
  --purple:    #a855f7;
  --orange:    #fb923c;

  --grad:      linear-gradient(135deg, var(--accent), var(--accent-2));
  --grad-soft: linear-gradient(135deg, rgba(79,140,255,.16), rgba(124,92,255,.16));

  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --sh-1: 0 1px 2px rgba(0,0,0,.30);
  --sh-2: 0 10px 30px rgba(0,0,0,.35);
  --sh-3: 0 24px 60px rgba(0,0,0,.45);

  --ring: 0 0 0 3px rgba(79,140,255,.28);
  --ease: cubic-bezier(.22,.8,.3,1);

  --nav-h: 64px;
  --maxw: 1180px;
}

/* Açık tema */
:root[data-theme="light"] {
  --bg:        #f6f8fc;
  --bg2:       #eef2f9;
  --panel:     #ffffff;
  --panel-2:   #f3f6fc;
  --line:      #dde4f0;
  --line-soft: #e8edf6;

  --text:      #0f1830;
  --text-2:    #33405c;
  --muted:     #67748f;

  --sh-1: 0 1px 2px rgba(16,24,48,.06);
  --sh-2: 0 10px 28px rgba(16,24,48,.08);
  --sh-3: 0 24px 60px rgba(16,24,48,.12);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

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

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
body > footer { margin-top: auto; }

img, video, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color .18s var(--ease); }
a:hover { color: var(--accent-2); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 8px; }

h1,h2,h3,h4 { line-height: 1.25; font-weight: 800; letter-spacing: -.02em; }

::selection { background: rgba(79,140,255,.35); }

/* İnce kaydırma çubuğu */
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--line); border-radius: 20px; border: 3px solid transparent; background-clip: content-box; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky; top: 0; z-index: 90;
  height: var(--nav-h);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.logo {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 19px; font-weight: 900; letter-spacing: -.03em;
  color: var(--text);
}
.logo:hover { color: var(--text); opacity: .9; }
.logo .accent, .accent {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.logo-mark {
  width: 32px; height: 32px; border-radius: 10px;
  background: var(--grad); color: #fff;
  display: grid; place-items: center; font-size: 16px;
  box-shadow: 0 6px 18px rgba(79,140,255,.35);
}

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 14px; border-radius: 999px;
  color: var(--text-2); font-size: 14.5px; font-weight: 600;
  transition: background .18s var(--ease), color .18s var(--ease);
}
.nav-link:hover, .nav-link.is-active { background: var(--panel-2); color: var(--text); }
.nav-user {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 6px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line-soft);
  font-size: 13.5px; font-weight: 600; color: var(--text-2);
  max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.avatar {
  width: 26px; height: 26px; border-radius: 50%; flex: none;
  background: var(--grad); color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
}

.nav-btn {
  padding: 9px 18px; border-radius: 999px;
  background: var(--grad); color: var(--accent-ink);
  font-size: 14.5px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(79,140,255,.28);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
.nav-btn:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 12px 26px rgba(79,140,255,.38); }

.nav-btn-outline {
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-2);
  font-size: 14px; font-weight: 600;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}
.nav-btn-outline:hover { border-color: var(--accent); color: var(--text); background: var(--panel-2); }

.icon-btn {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  border: 1px solid var(--line-soft); background: var(--panel);
  color: var(--text-2); font-size: 16px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.icon-btn:hover { border-color: var(--accent); color: var(--text); }

.nav-toggle { display: none; }

/* Mobil çekmece */
.nav-drawer {
  position: fixed; inset: var(--nav-h) 0 auto 0; z-index: 89;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 14px 20px 22px;
  display: none; flex-direction: column; gap: 8px;
  box-shadow: var(--sh-2);
}
.nav-drawer.open { display: flex; }
.nav-drawer a {
  padding: 12px 14px; border-radius: 12px;
  color: var(--text-2); font-weight: 600;
}
.nav-drawer a:hover { background: var(--panel-2); color: var(--text); }

/* ---------- Butonlar ---------- */
.btn-primary, .btn-secondary, .btn-ghost, .btn-danger {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px;
  font-size: 15px; font-weight: 700; letter-spacing: -.01em;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: var(--accent-ink); box-shadow: 0 10px 26px rgba(79,140,255,.30); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(79,140,255,.42); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary { background: var(--panel); color: var(--text); border: 1px solid var(--line); }
.btn-secondary:hover { color: var(--text); border-color: var(--accent); background: var(--panel-2); transform: translateY(-2px); }

.btn-ghost { background: transparent; color: var(--text-2); border: 1px solid var(--line-soft); }
.btn-ghost:hover { color: var(--text); border-color: var(--line); }

.btn-danger { background: rgba(239,68,68,.12); color: #ff8686; border: 1px solid rgba(239,68,68,.35); }
.btn-danger:hover { background: rgba(239,68,68,.2); color: #ffa2a2; }

.btn-sm { padding: 8px 16px; font-size: 13.5px; }
.btn-lg { padding: 16px 34px; font-size: 16.5px; }

.btn-full {
  width: 100%; padding: 14px; border-radius: var(--r);
  background: var(--grad); color: var(--accent-ink);
  font-size: 15.5px; font-weight: 700;
  box-shadow: 0 10px 24px rgba(79,140,255,.28);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), opacity .18s var(--ease);
}
.btn-full:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(79,140,255,.38); }
.btn-full:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 0 84px;
  text-align: center;
  background:
    radial-gradient(900px 420px at 50% -10%, rgba(79,140,255,.22), transparent 62%),
    radial-gradient(700px 360px at 85% 10%, rgba(124,92,255,.16), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 72%);
  opacity: .5;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 24px;
  background: var(--grad-soft); border: 1px solid var(--line);
  font-size: 13px; font-weight: 700; letter-spacing: .02em; color: var(--text-2);
}
.hero h1 { font-size: clamp(34px, 5.6vw, 62px); font-weight: 900; letter-spacing: -.035em; margin-bottom: 20px; }
.hero h1 .gradient, .gradient {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { max-width: 660px; margin: 0 auto; font-size: clamp(15.5px, 1.6vw, 18px); color: var(--muted); }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  max-width: 760px; margin: 56px auto 0;
}
.stat-box {
  padding: 20px 14px; border-radius: var(--r-lg);
  background: color-mix(in srgb, var(--panel) 75%, transparent);
  border: 1px solid var(--line-soft);
  backdrop-filter: blur(8px);
}
.stat-val { font-size: 27px; font-weight: 900; letter-spacing: -.03em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-label { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

/* ---------- Bölümler ---------- */
.section { padding: 76px 0; }
.section-alt { background: var(--bg2); border-block: 1px solid var(--line-soft); }
.section-title { font-size: clamp(25px, 3.2vw, 36px); text-align: center; letter-spacing: -.03em; }
.section-sub { text-align: center; color: var(--muted); margin: 10px auto 44px; max-width: 580px; }

/* ---------- Kartlar ---------- */
.cards { display: grid; gap: 18px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; overflow: hidden;
  padding: 24px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--line-soft);
  box-shadow: var(--sh-1);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  color: var(--text);
}
.card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 2px;
  background: var(--grad); opacity: 0; transition: opacity .2s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--line); box-shadow: var(--sh-2); color: var(--text); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; letter-spacing: -.015em; }
.card p { font-size: 14px; color: var(--muted); }

.card-icon {
  width: 46px; height: 46px; border-radius: 14px;
  display: grid; place-items: center; font-size: 22px; margin-bottom: 14px;
}
.icon-blue   { background: rgba(79,140,255,.14); }
.icon-green  { background: rgba(34,197,94,.14); }
.icon-orange { background: rgba(251,146,60,.14); }
.icon-purple { background: rgba(168,85,247,.14); }
.icon-cyan   { background: rgba(6,182,212,.14); }
.icon-yellow { background: rgba(245,158,11,.14); }
.icon-red    { background: rgba(239,68,68,.14); }

.panel {
  padding: 24px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--line-soft); box-shadow: var(--sh-1);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  margin-bottom: 18px; flex-wrap: wrap;
}
.panel-head h2, .panel-head h3 { font-size: 18px; letter-spacing: -.02em; }

.section-heading {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin: 0 0 18px; flex-wrap: wrap;
}
.section-heading h2 { font-size: 21px; letter-spacing: -.025em; }

/* CTA */
.cta-box {
  padding: 56px 32px; border-radius: var(--r-xl); text-align: center;
  background: var(--grad-soft); border: 1px solid var(--line);
}
.cta-box h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 10px; letter-spacing: -.03em; }
.cta-box p { color: var(--muted); max-width: 560px; margin: 0 auto 26px; }

/* ---------- Etiketler ---------- */
.tag, .badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: .01em;
  border: 1px solid transparent; white-space: nowrap;
}
.badge     { background: var(--panel-2); color: var(--text-2); border-color: var(--line-soft); }
.tag-blue  { background: rgba(79,140,255,.13); color: #9dc0ff; border-color: rgba(79,140,255,.26); }
.tag-green { background: rgba(34,197,94,.13);  color: #74e09b; border-color: rgba(34,197,94,.26); }
.tag-red   { background: rgba(239,68,68,.13);  color: #ff9a9a; border-color: rgba(239,68,68,.26); }
.tag-yellow{ background: rgba(245,158,11,.13); color: #ffca70; border-color: rgba(245,158,11,.26); }
.tag-gray  { background: var(--panel-2); color: var(--muted); border-color: var(--line-soft); }
:root[data-theme="light"] .tag-blue  { color: #1d4ed8; }
:root[data-theme="light"] .tag-green { color: #15803d; }
:root[data-theme="light"] .tag-red   { color: #b91c1c; }
:root[data-theme="light"] .tag-yellow{ color: #a16207; }

/* ---------- İlerleme ---------- */
.cat-bar { height: 9px; border-radius: 999px; background: var(--bg2); overflow: hidden; border: 1px solid var(--line-soft); }
.cat-bar-fill { height: 100%; border-radius: 999px; background: var(--grad); transition: width .7s var(--ease); }

.meter { display: grid; gap: 7px; }
.meter-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 13.5px; }
.meter-top b { font-size: 15px; }

/* ---------- Tablolar ---------- */
.table-wrap {
  border-radius: var(--r-lg); overflow: hidden auto;
  border: 1px solid var(--line-soft); background: var(--panel);
  box-shadow: var(--sh-1); -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
th {
  text-align: left; padding: 13px 16px;
  background: var(--panel-2); color: var(--muted);
  font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  border-bottom: 1px solid var(--line-soft); white-space: nowrap;
}
td { padding: 13px 16px; border-bottom: 1px solid var(--line-soft); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel-2); }

/* ---------- Formlar ---------- */
.form-page { min-height: calc(100vh - var(--nav-h)); display: grid; place-items: center; padding: 48px 20px; }
.form-card {
  width: 100%; max-width: 430px; padding: 36px;
  border-radius: var(--r-xl); background: var(--panel);
  border: 1px solid var(--line-soft); box-shadow: var(--sh-3);
}
.form-card h1 { font-size: 26px; letter-spacing: -.03em; }
.form-card .sub { color: var(--muted); font-size: 14.5px; margin: 8px 0 26px; }

/* Tüm form alanları için temel görünüm */
input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="search"], input[type="tel"], input[type="url"],
select, textarea {
  width: 100%; padding: 12px 15px;
  border-radius: var(--r); border: 1px solid var(--line);
  background: var(--bg2); color: var(--text); font: inherit; font-size: 15px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--muted); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); background: var(--panel); box-shadow: var(--ring); }
input[type="checkbox"], input[type="radio"] { width: auto; padding: 0; }
/* Tarayıcı otomatik doldurma rengini bastır */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus,
textarea:-webkit-autofill, select:-webkit-autofill {
  -webkit-text-fill-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px var(--bg2) inset;
  box-shadow: 0 0 0 1000px var(--bg2) inset;
  caret-color: var(--text);
  transition: background-color 9999s ease-in-out 0s;
}
select { cursor: pointer; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 700; color: var(--text-2); margin-bottom: 7px; }
.form-group input, .form-group select, .form-group textarea, .input {
  width: 100%; padding: 12px 15px;
  border-radius: var(--r); border: 1px solid var(--line);
  background: var(--bg2); color: var(--text); font-size: 15px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
}
.form-group input::placeholder, .input::placeholder, textarea::placeholder { color: var(--muted); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus, .input:focus {
  outline: none; border-color: var(--accent); background: var(--panel); box-shadow: var(--ring);
}
.form-footer { text-align: center; font-size: 14px; color: var(--muted); margin-top: 22px; }

.alert-success, .alert-error, .alert-info {
  padding: 13px 16px; border-radius: var(--r); font-size: 14px; margin-bottom: 18px;
  border: 1px solid transparent; display: flex; gap: 10px; align-items: flex-start;
}
.alert-success { background: rgba(34,197,94,.1);  color: #74e09b; border-color: rgba(34,197,94,.3); }
.alert-error   { background: rgba(239,68,68,.1);  color: #ff9a9a; border-color: rgba(239,68,68,.3); }
.alert-info    { background: rgba(79,140,255,.1); color: #9dc0ff; border-color: rgba(79,140,255,.3); }
:root[data-theme="light"] .alert-success { color: #15803d; }
:root[data-theme="light"] .alert-error   { color: #b91c1c; }
:root[data-theme="light"] .alert-info    { color: #1d4ed8; }

/* ---------- Karşılama / boş durum ---------- */
.welcome { margin-bottom: 30px; }
.welcome h1 { font-size: clamp(25px, 3.4vw, 33px); letter-spacing: -.03em; }
.welcome p { color: var(--muted); margin-top: 6px; }

.empty-state { text-align: center; padding: 64px 20px; }
.empty-state .icon { font-size: 54px; margin-bottom: 14px; line-height: 1; }
.empty-state h2 { font-size: 23px; margin-bottom: 8px; letter-spacing: -.025em; }
.empty-state p { color: var(--muted); max-width: 460px; margin: 0 auto 22px; }

/* ---------- Hızlı aksiyonlar ---------- */
.quick-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.quick-btn {
  padding: 11px 20px; border-radius: 999px;
  background: var(--grad); color: var(--accent-ink); font-weight: 700; font-size: 14.5px;
  box-shadow: 0 8px 20px rgba(79,140,255,.26);
  transition: transform .18s var(--ease);
}
.quick-btn:hover { color: #fff; transform: translateY(-2px); }
.quick-btn-outline {
  padding: 11px 20px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--text-2); font-weight: 700; font-size: 14.5px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.quick-btn-outline:hover { border-color: var(--accent); color: var(--text); }

/* =========================================================
   SINAV EKRANI
   ========================================================= */
.exam-mode { background: var(--bg2); }
.exam-mode .navbar, .exam-mode .footer { display: none; }

.exam-topbar {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.exam-topbar-inner {
  height: 62px; display: flex; align-items: center; gap: 14px;
  max-width: 1240px; margin: 0 auto; padding: 0 20px;
}
.exam-brand { display: flex; align-items: center; gap: 9px; font-weight: 800; letter-spacing: -.02em; font-size: 15px; }
.exam-topbar .spacer { flex: 1; }

.exam-timer {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  font-variant-numeric: tabular-nums; font-weight: 800; font-size: 15.5px;
  border: 1px solid transparent; letter-spacing: .01em;
}
.timer-ok     { background: rgba(34,197,94,.12);  color: #74e09b; border-color: rgba(34,197,94,.3); }
.timer-warn   { background: rgba(245,158,11,.12); color: #ffca70; border-color: rgba(245,158,11,.34); }
.timer-danger { background: rgba(239,68,68,.14);  color: #ff9a9a; border-color: rgba(239,68,68,.4); animation: pulse 1.1s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .55; } }
:root[data-theme="light"] .timer-ok { color: #15803d; }
:root[data-theme="light"] .timer-warn { color: #a16207; }
:root[data-theme="light"] .timer-danger { color: #b91c1c; }

.exam-progressbar { height: 3px; background: var(--line-soft); }
.exam-progressbar > span { display: block; height: 100%; background: var(--grad); width: 0; transition: width .35s var(--ease); }

.exam-layout {
  display: grid; grid-template-columns: minmax(0,1fr) 274px; gap: 26px;
  max-width: 1240px; margin: 0 auto; padding: 28px 20px 120px;
  align-items: start;
}

.question-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.question-no { font-size: 13px; font-weight: 800; color: var(--muted); letter-spacing: .04em; }

.question-box {
  padding: 26px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--line-soft); box-shadow: var(--sh-1);
}
.question-box p { font-size: clamp(16px, 1.8vw, 18.5px); line-height: 1.75; font-weight: 500; }
.question-box img {
  margin-top: 18px; border-radius: var(--r); border: 1px solid var(--line);
  max-height: 340px; width: auto; cursor: zoom-in; background: var(--bg2);
}
.question-media { display: flex; flex-wrap: wrap; gap: 12px; }
.question-box video, .video-frame {
  margin-top: 18px; border-radius: var(--r); border: 1px solid var(--line);
  width: 100%; max-width: 620px; aspect-ratio: 16/9; background: #000;
}

.options { display: grid; gap: 11px; margin-top: 18px; }
.option-btn {
  display: flex; align-items: flex-start; gap: 14px; text-align: left;
  width: 100%; padding: 15px 18px; border-radius: var(--r);
  background: var(--panel); border: 1.5px solid var(--line-soft);
  font-size: 15.5px; line-height: 1.6; color: var(--text);
  transition: border-color .16s var(--ease), background .16s var(--ease), transform .12s var(--ease);
}
.option-btn:hover { border-color: var(--accent); background: var(--panel-2); transform: translateX(3px); }
.option-label {
  flex: none; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--bg2); border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 800; color: var(--muted);
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.option-btn.selected { border-color: var(--accent); background: rgba(79,140,255,.10); }
.option-btn.selected .option-label { background: var(--grad); color: #fff; border-color: transparent; }
.option-btn.correct { border-color: var(--ok); background: rgba(34,197,94,.10); }
.option-btn.correct .option-label { background: var(--ok); color: #05210f; border-color: transparent; }
.option-btn.wrong { border-color: var(--danger); background: rgba(239,68,68,.10); }
.option-btn.wrong .option-label { background: var(--danger); color: #fff; border-color: transparent; }
.option-btn:disabled { cursor: default; transform: none; }

/* Alt gezinme çubuğu */
.exam-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.exam-nav-inner { display: flex; align-items: center; gap: 12px; width: 100%; max-width: 1240px; margin: 0 auto; }
.exam-nav .spacer { flex: 1; }
.exam-nav-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel);
  font-size: 14.5px; font-weight: 700; color: var(--text);
  transition: border-color .18s var(--ease), background .18s var(--ease), opacity .18s var(--ease);
}
.exam-nav-btn:hover { border-color: var(--accent); background: var(--panel-2); }
.exam-nav-btn:disabled { opacity: .4; cursor: not-allowed; }
.exam-nav-btn.primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 8px 20px rgba(79,140,255,.28); }
.btn-end, .exam-nav-btn.btn-end {
  background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.35); color: #ff9a9a;
}
.btn-end:hover, .exam-nav-btn.btn-end:hover { background: rgba(239,68,68,.2); border-color: var(--danger); }

/* Soru haritası */
.exam-sidebar {
  position: sticky; top: 86px;
  padding: 18px; border-radius: var(--r-lg);
  background: var(--panel); border: 1px solid var(--line-soft); box-shadow: var(--sh-1);
}
.exam-sidebar h4 { font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.exam-progress, .qmap {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 7px;
}
.exam-progress button, .qmap button {
  aspect-ratio: 1; min-width: 0; border-radius: 9px;
  border: 1px solid var(--line-soft); background: var(--bg2);
  font-size: 12.5px; font-weight: 700; color: var(--muted);
  transition: transform .12s var(--ease), border-color .16s var(--ease);
}
.exam-progress button:hover, .qmap button:hover { transform: scale(1.08); border-color: var(--accent); }
.exam-progress button.answered, .qmap button.answered {
  background: rgba(79,140,255,.16); color: #9dc0ff; border-color: rgba(79,140,255,.4);
}
.exam-progress button.marked, .qmap button.marked {
  background: rgba(245,158,11,.16); color: #ffca70; border-color: rgba(245,158,11,.45);
}
.exam-progress button.active, .qmap button.active {
  background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(79,140,255,.4);
}
.qmap-legend { display: grid; gap: 7px; margin-top: 16px; font-size: 12.5px; color: var(--muted); }
.qmap-legend span { display: flex; align-items: center; gap: 8px; }
.dot { width: 11px; height: 11px; border-radius: 4px; flex: none; }
.dot-answered { background: rgba(79,140,255,.6); }
.dot-marked   { background: rgba(245,158,11,.65); }
.dot-empty    { background: var(--line); }

.exam-counts { display: flex; gap: 14px; font-size: 13px; color: var(--muted); }
.exam-counts b { color: var(--text); }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3,6,16,.92);
  display: none; place-items: center; padding: 30px;
  backdrop-filter: blur(6px);
}
.lightbox.open { display: grid; }
.lightbox img { max-width: 100%; max-height: 88vh; border-radius: var(--r); box-shadow: var(--sh-3); }
.lightbox-close {
  position: absolute; top: 20px; right: 24px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.1); color: #fff; font-size: 22px;
  display: grid; place-items: center;
}

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 180;
  background: rgba(3,6,16,.72); backdrop-filter: blur(4px);
  display: none; place-items: center; padding: 20px;
}
.modal-backdrop.open { display: grid; }
.modal {
  width: 100%; max-width: 430px; padding: 28px;
  border-radius: var(--r-xl); background: var(--panel);
  border: 1px solid var(--line); box-shadow: var(--sh-3);
  animation: pop .18s var(--ease);
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
.modal h3 { font-size: 20px; margin-bottom: 8px; letter-spacing: -.02em; }
.modal p { color: var(--muted); font-size: 14.5px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; flex-wrap: wrap; }

/* =========================================================
   SONUÇ
   ========================================================= */
.score-hero {
  display: grid; grid-template-columns: auto minmax(0,1fr); gap: 34px; align-items: center;
  padding: 32px; border-radius: var(--r-xl);
  background: var(--panel); border: 1px solid var(--line-soft); box-shadow: var(--sh-2);
}
.score-ring {
  --val: 0; --ring-color: var(--accent);
  position: relative; width: 168px; height: 168px; border-radius: 50%; flex: none;
  background: conic-gradient(var(--ring-color) calc(var(--val) * 1%), var(--line-soft) 0);
  display: grid; place-items: center;
}
.score-ring::after {
  content: ""; position: absolute; inset: 13px; border-radius: 50%; background: var(--panel);
}
.score-ring .inner { position: relative; z-index: 1; text-align: center; }
.score-ring .num { font-size: 42px; font-weight: 900; letter-spacing: -.04em; line-height: 1; }
.score-ring .lbl { font-size: 12px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }

.result-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.result-box {
  padding: 16px 14px; border-radius: var(--r); text-align: center;
  background: var(--bg2); border: 1px solid var(--line-soft);
}
.result-box .val { font-size: 25px; font-weight: 900; letter-spacing: -.03em; line-height: 1.2; }
.result-box .lbl { font-size: 12px; color: var(--muted); margin-top: 2px; }

.review-item {
  padding: 22px; border-radius: var(--r-lg); margin-bottom: 14px;
  background: var(--panel); border: 1px solid var(--line-soft);
  border-left: 4px solid var(--line);
}
.review-item.is-correct { border-left-color: var(--ok); }
.review-item.is-wrong   { border-left-color: var(--danger); }
.review-item.is-blank   { border-left-color: var(--warn); }
.review-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.review-stem { font-size: 16px; line-height: 1.7; margin-bottom: 14px; }
.explanation {
  margin-top: 14px; padding: 14px 16px; border-radius: var(--r);
  background: var(--grad-soft); border: 1px solid var(--line-soft);
  font-size: 14.5px; color: var(--text-2); line-height: 1.7;
}
.explanation b { color: var(--text); }

/* Sekmeler */
.tabs { display: flex; gap: 6px; padding: 5px; border-radius: 999px; background: var(--bg2); border: 1px solid var(--line-soft); width: fit-content; max-width: 100%; overflow-x: auto; }
.tabs button, .tabs a {
  display: inline-block;
  padding: 8px 18px; border-radius: 999px; white-space: nowrap;
  font-size: 14px; font-weight: 700; color: var(--muted);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.tabs button.active, .tabs a.active { background: var(--panel); color: var(--text); box-shadow: var(--sh-1); }
.tabs a:hover { color: var(--text); }

/* Mini sütun grafik */
.bars { display: flex; align-items: flex-end; gap: 10px; height: 160px; padding-top: 10px; }
.bars .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 7px; min-width: 0; }
.bars .bar i {
  display: block; width: 100%; max-width: 46px; border-radius: 8px 8px 3px 3px;
  background: var(--grad); min-height: 4px; transition: height .6s var(--ease);
}
.bars .bar.fail i { background: linear-gradient(180deg, #ef4444, #b91c1c); }
.bars .bar span { font-size: 11px; color: var(--muted); white-space: nowrap; }
.bars .bar b { font-size: 12.5px; }

/* Yardımcılar */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.stack { display: grid; gap: 18px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 10px; } .mt-2 { margin-top: 20px; } .mt-3 { margin-top: 32px; }
.mb-1 { margin-bottom: 10px; } .mb-2 { margin-bottom: 20px; } .mb-3 { margin-bottom: 32px; }
.page { padding: 42px 0 72px; }
.hide { display: none !important; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line-soft); background: var(--bg2); padding: 30px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: var(--muted); }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

/* ---------- Animasyon ---------- */
.fade-in { animation: fadeIn .3s var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1040px) {
  .exam-layout { grid-template-columns: 1fr; }
  .exam-sidebar { position: static; order: 2; }
}

@media (max-width: 860px) {
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .cards-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-3  { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .score-hero { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 24px; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .nav-links { display: none; }
  .nav-toggle { display: grid; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 54px 0; }
  .stats-row { grid-template-columns: repeat(2, 1fr); margin-top: 38px; }
  .cards-2, .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: repeat(2, 1fr); }
  .form-card { padding: 26px; }
  .question-box { padding: 20px; }
  .exam-topbar-inner { height: 56px; gap: 10px; }
  .exam-brand span { display: none; }
  .exam-counts { display: none; }
  .exam-layout { padding: 20px 16px 104px; }
  .exam-progress, .qmap { grid-template-columns: repeat(8, 1fr); }
  .exam-nav-btn { padding: 10px 14px; font-size: 13.5px; }
  .cta-box { padding: 38px 22px; }
  .footer-inner { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
  .exam-progress, .qmap { grid-template-columns: repeat(6, 1fr); }
  .btn-primary, .btn-secondary { padding: 12px 20px; font-size: 14.5px; }
}

@media print {
  .navbar, .footer, .exam-nav, .exam-sidebar, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}