/* === Test/Eğitim — sade modern admin teması === */

:root {
  --c-bg:        #f4f6fb;
  --c-surface:   #ffffff;
  --c-border:    #e7eaf0;
  --c-border-2:  #d8dde6;
  --c-text:      #1f2733;
  --c-text-soft: #5b6478;
  --c-text-mute: #8b94a8;
  --c-primary:   #4f46e5;
  --c-primary-h: #4338ca;
  --c-primary-soft: #eef2ff;
  --c-success:   #16a34a;
  --c-warning:   #d97706;
  --c-danger:    #dc2626;
  --c-info:      #0ea5e9;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.04);
  --shadow:    0 4px 14px rgba(15,23,42,.06);
  --r-md: 10px;
  --r-lg: 14px;
}

html, body { background: var(--c-bg); color: var(--c-text); }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; font-size: 14px; }
h1,h2,h3,h4,h5,h6 { color: var(--c-text); letter-spacing: -0.01em; }

a { color: var(--c-primary); }
a:hover { color: var(--c-primary-h); }

/* ==== App shell (sidebar layout) ==== */
.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; position: relative; }

.app-sidebar {
  background: #0f172a;
  color: #cbd5e1;
  padding: 18px 12px;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; font-size: 16px;
  margin: 4px 8px 16px;
}
.sidebar-brand .logo {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; flex-shrink: 0;
}
.sidebar-close {
  background: transparent; border: 1px solid #334155; color: #cbd5e1;
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-left: auto; cursor: pointer;
}
.sidebar-close:hover { background: #1e293b; color: #fff; }

/* Mobile topbar — varsayılan: gizli */
.mobile-topbar { display: none; }
.mobile-burger,
.mobile-user-btn {
  background: transparent; border: 1px solid var(--c-border);
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: var(--c-text); flex-shrink: 0;
  transition: background .12s ease;
  cursor: pointer;
}
.mobile-burger:hover, .mobile-user-btn:hover { background: #f1f5f9; }
.mobile-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; flex-grow: 1; min-width: 0;
}
.mobile-brand .logo {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; flex-shrink: 0;
}
.mobile-user-btn { color: var(--c-text-soft); }
.mobile-user-btn i { font-size: 22px; }
.mobile-user .dropdown-menu { min-width: 220px; }
.mobile-user .dropdown-header { padding: 10px 14px 4px; }

.drawer-backdrop { display: none; }

/* <992px → drawer-mode */
@media (max-width: 991.98px) {
  .app-shell { grid-template-columns: 1fr; }

  .mobile-topbar {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    background: var(--c-surface); border-bottom: 1px solid var(--c-border);
    position: sticky; top: 0; z-index: 30;
  }

  .app-sidebar {
    position: fixed; top: 0; left: 0;
    width: 280px; max-width: 85vw; height: 100vh;
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 0 0 30px rgba(0,0,0,.35);
  }
  body.drawer-open .app-sidebar { transform: translateX(0); }

  .drawer-backdrop {
    display: block;
    position: fixed; inset: 0;
    background: rgba(15,23,42,.55);
    z-index: 1040;
    opacity: 0; pointer-events: none;
    transition: opacity .22s ease;
  }
  body.drawer-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
  body.drawer-open { overflow: hidden; }
}
@media (min-width: 992px) {
  .sidebar-close { display: none; }
}
.sidebar-section {
  font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: #64748b; padding: 14px 12px 6px;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px;
  color: #cbd5e1; text-decoration: none; font-weight: 500;
  transition: background .12s ease, color .12s ease;
}
.sidebar-nav a:hover { background: #1e293b; color: #fff; }
.sidebar-nav a.active { background: rgba(99,102,241,.18); color: #fff; }
.sidebar-nav a i { font-size: 1.05rem; opacity: .85; width: 18px; text-align: center; }
.sidebar-foot {
  margin-top: auto; padding: 12px 8px; border-top: 1px solid #1e293b;
  display: flex; align-items: center; gap: 10px;
}
.sidebar-foot .who { flex-grow: 1; min-width: 0; }
.sidebar-foot .who .nm { color: #f8fafc; font-size: 13px; font-weight: 600; line-height: 1.1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-foot .who .rl { color: #94a3b8; font-size: 11px; text-transform: capitalize; }
.sidebar-foot button {
  background: transparent; border: 1px solid #334155; color: #cbd5e1;
  padding: 4px 10px; border-radius: 6px; font-size: 12px;
}
.sidebar-foot button:hover { background: #1e293b; color: #fff; }

.app-main { padding: 24px 28px 48px; min-width: 0; }
@media (max-width: 991.98px) { .app-main { padding: 16px 16px 36px; } }
@media (max-width: 575.98px) { .app-main { padding: 14px 12px 32px; } }

/* ==== Page header ==== */
.page-header {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin-bottom: 18px; flex-wrap: wrap;
}
.page-title { font-size: 22px; font-weight: 700; margin: 0; }
.page-sub { color: var(--c-text-mute); font-size: 13px; margin-top: 2px; }
@media (max-width: 575.98px) {
  .page-header { flex-direction: column; align-items: stretch; gap: 10px; }
  .page-title { font-size: 18px; }
  .page-header .btn { width: 100%; justify-content: center; }
  .page-header > div:first-child { min-width: 0; }
}

/* ==== Card ==== */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.card-header { background: transparent; border-bottom: 1px solid var(--c-border); padding: 14px 18px; font-weight: 600; }
.card-body   { padding: 18px; }
.card-footer { background: transparent; border-top: 1px solid var(--c-border); padding: 12px 18px; }

/* ==== Stat tile ==== */
.stat-tile {
  background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg);
  padding: 16px 18px; display: flex; align-items: center; gap: 14px;
  transition: box-shadow .12s ease, transform .12s ease, border-color .12s ease;
  text-decoration: none; color: inherit;
}
.stat-tile:hover { box-shadow: var(--shadow); border-color: var(--c-border-2); color: inherit; }
.stat-tile .ic {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-primary-soft); color: var(--c-primary); font-size: 1.2rem;
}
.stat-tile .num { font-size: 22px; font-weight: 700; line-height: 1.1; }
.stat-tile .lbl { color: var(--c-text-mute); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

/* ==== Tables ==== */
.table-wrap { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--r-lg); overflow: hidden; }
.table { margin: 0; }
.table > thead > tr > th {
  background: #fafbfd; color: var(--c-text-soft);
  font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em;
  border-bottom: 1px solid var(--c-border); padding: 12px 16px;
}
.table > tbody > tr > td { padding: 12px 16px; border-top: 1px solid var(--c-border); vertical-align: middle; }
.table > tbody > tr:hover > td { background: #f8fafc; }
/* Mobil: tablo yatay scroll edilebilir, satır içi aksiyon butonları sıkıştırılmasın */
@media (max-width: 767.98px) {
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .table { min-width: 560px; }
  .table > thead > tr > th, .table > tbody > tr > td { padding: 10px 12px; }
}

/* ==== Forms ==== */
.form-label { font-weight: 500; color: var(--c-text); margin-bottom: 6px; font-size: 13px; }
.form-help  { color: var(--c-text-mute); font-size: 12px; margin-top: 4px; }
.form-control, .form-select {
  border: 1px solid var(--c-border-2); border-radius: 8px; padding: 8px 12px;
  font-size: 14px; transition: border-color .12s ease, box-shadow .12s ease;
}
.form-control:focus, .form-select:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}
textarea.form-control { line-height: 1.5; }
.form-check-input:checked { background-color: var(--c-primary); border-color: var(--c-primary); }
.form-section {
  background: #f8fafc; border: 1px dashed var(--c-border-2);
  border-radius: var(--r-md); padding: 14px 16px;
}

/* ==== Buttons ==== */
.btn { font-weight: 500; border-radius: 8px; padding: 7px 14px; transition: all .12s ease; font-size: 14px; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; border-radius: 7px; }
.btn-primary { background: var(--c-primary); border-color: var(--c-primary); }
.btn-primary:hover, .btn-primary:focus { background: var(--c-primary-h); border-color: var(--c-primary-h); }
.btn-outline-secondary { color: var(--c-text-soft); border-color: var(--c-border-2); background: #fff; }
.btn-outline-secondary:hover { background: #f1f5f9; color: var(--c-text); border-color: var(--c-border-2); }
.btn-outline-primary { color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline-primary:hover { background: var(--c-primary); color: #fff; }
.btn-outline-danger  { color: var(--c-danger); border-color: #fecaca; background: #fff; }
.btn-outline-danger:hover  { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn-link { color: var(--c-text-soft); text-decoration: none; }
.btn-link:hover { color: var(--c-primary); }

/* ==== Badges ==== */
.badge { font-weight: 600; padding: 4px 8px; border-radius: 6px; font-size: 11.5px; letter-spacing: .02em; }
.badge.text-bg-light     { background: #f1f5f9 !important; color: var(--c-text-soft) !important; }
.badge.text-bg-secondary { background: #e2e8f0 !important; color: #475569 !important; }
.badge.text-bg-success   { background: #dcfce7 !important; color: #166534 !important; }
.badge.text-bg-warning   { background: #fef3c7 !important; color: #92400e !important; }
.badge.text-bg-info      { background: #e0f2fe !important; color: #075985 !important; }
.badge.text-bg-primary   { background: var(--c-primary-soft) !important; color: var(--c-primary) !important; }

.alert { border-radius: var(--r-md); border: 1px solid transparent; padding: 10px 14px; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #15803d; }
.alert-danger  { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.alert-info    { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }

/* ==== Auth (login) ==== */
.auth-body { background: linear-gradient(135deg, #f4f6fb 0%, #e0e7ff 100%); }
.auth-card { border: 1px solid var(--c-border); border-radius: var(--r-lg); box-shadow: var(--shadow); width: 380px; }

/* ==== Media library ==== */
.media-card {
  border: 1px solid var(--c-border); border-radius: var(--r-md); overflow: hidden;
  background: #fff; display: flex; flex-direction: column;
  transition: box-shadow .12s ease, transform .08s ease;
}
.media-card:hover { box-shadow: var(--shadow); }
.media-card .thumb {
  background: #f8fafc; display: flex; align-items: center; justify-content: center;
  height: 130px; overflow: hidden;
}
.media-card .thumb img { max-width: 100%; max-height: 100%; object-fit: cover; }
.media-card .thumb i { font-size: 2.4rem; color: var(--c-text-mute); }
.media-card .meta { padding: 8px 10px; font-size: 12px; color: var(--c-text-soft); border-top: 1px solid var(--c-border); }
.media-card .meta .name {
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}

.dropzone {
  border: 2px dashed var(--c-border-2); border-radius: var(--r-lg);
  padding: 32px; text-align: center; background: #fff;
  color: var(--c-text-soft); transition: all .15s ease;
}
.dropzone:hover { border-color: var(--c-primary); }
.dropzone.drag  { border-color: var(--c-primary); background: var(--c-primary-soft); color: var(--c-primary); }
.dropzone .progress { height: 6px; }

/* ==== Question form ==== */
.q-options-list .option-row {
  display: flex; gap: 10px; align-items: flex-start;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 12px; margin-bottom: 10px;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.q-options-list .option-row.is-correct { border-color: #86efac; box-shadow: 0 0 0 3px rgba(34,197,94,.10); }

.q-options-list .opt-letter {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: #f1f5f9; color: var(--c-text-soft);
  font-weight: 700; font-size: 13px;
  margin-top: 4px;
}
.q-options-list .option-row.is-correct .opt-letter {
  background: #86efac; color: #14532d;
}
.q-options-list .opt-body { flex: 1; min-width: 0; }
.q-options-list .opt-row-1 {
  display: flex; gap: 8px; align-items: center;
}
.q-options-list .opt-label { flex: 1; min-width: 0; }
.q-options-list .correct-toggle {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; padding: 5px 10px; border: 1px solid var(--c-border-2);
  border-radius: 7px; cursor: pointer; background: #fff;
  white-space: nowrap; transition: all .12s ease;
}
.q-options-list .correct-toggle:hover { border-color: #86efac; background: #f0fdf4; color: #166534; }
.q-options-list .correct-toggle.active {
  background: #16a34a; border-color: #16a34a; color: #fff;
}
.q-options-list .score-input {
  width: 86px; flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* ==== Media slot (prompt + option) ==== */
.media-slot { margin-top: 8px; }
.media-slot.empty .media-add {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border: 1px dashed var(--c-border-2); border-radius: 7px;
  background: #fff; color: var(--c-text-soft); font-size: 12.5px; cursor: pointer;
  transition: all .12s ease;
}
.media-slot.empty .media-add:hover { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-soft); }
.media-slot:not(.empty) {
  display: flex; gap: 10px; align-items: center;
  background: #f8fafc; border: 1px solid var(--c-border); border-radius: 8px;
  padding: 8px 10px;
}
.media-slot .ms-thumb {
  flex-shrink: 0; width: 56px; height: 56px;
  border-radius: 6px; overflow: hidden; background: #fff;
  border: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
}
.media-slot .ms-thumb img { width: 100%; height: 100%; object-fit: cover; }
.media-slot .ms-thumb i  { font-size: 1.4rem; color: var(--c-text-mute); }
.media-slot .ms-info { flex: 1; min-width: 0; }
.media-slot .ms-info .nm {
  font-size: 13px; font-weight: 500; color: var(--c-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.media-slot .ms-info .meta { font-size: 11px; color: var(--c-text-mute); margin-top: 2px; }
.media-slot .ms-preview { width: 100%; max-width: 220px; }
.media-slot audio.ms-preview, .media-slot video.ms-preview { height: 32px; }
.media-slot .ms-actions { display: flex; gap: 4px; }
.media-slot .ms-actions button {
  border: 1px solid var(--c-border); background: #fff;
  width: 30px; height: 30px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-soft); cursor: pointer;
}
.media-slot .ms-actions button:hover { color: var(--c-primary); border-color: var(--c-primary); background: var(--c-primary-soft); }
.media-slot .ms-actions .ms-rm:hover { color: var(--c-danger); border-color: #fecaca; background: #fef2f2; }

/* ==== Media picker (modal) ==== */
.mp-count { display: inline-block; min-width: 18px; padding: 0 5px; font-size: 11px; border-radius: 999px; background: rgba(0,0,0,.06); color: inherit; margin-left: 4px; }
.nav-pills .nav-link.active .mp-count { background: rgba(255,255,255,.25); color: #fff; }

.media-picker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.media-picker-grid .mp-card {
  background: #fff; border: 2px solid var(--c-border); border-radius: 10px;
  overflow: hidden; cursor: pointer;
  display: flex; flex-direction: column;
  transition: border-color .12s ease, transform .08s ease, box-shadow .12s ease;
}
.media-picker-grid .mp-card:hover { border-color: var(--c-border-2); box-shadow: var(--shadow); }
.media-picker-grid .mp-card.selected {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.18);
}
.media-picker-grid .mp-thumb {
  height: 130px; background: #f8fafc;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.media-picker-grid .mp-thumb img { width: 100%; height: 100%; object-fit: cover; }
.media-picker-grid .mp-thumb i  { font-size: 2.2rem; color: var(--c-text-mute); }
.media-picker-grid .mp-thumb .play-badge {
  position: absolute; right: 8px; bottom: 8px;
  background: rgba(0,0,0,.55); color: #fff; padding: 2px 7px; font-size: 11px; border-radius: 999px;
}
.media-picker-grid .mp-meta { padding: 8px 10px; }
.media-picker-grid .mp-name {
  font-size: 12.5px; font-weight: 500; color: var(--c-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.media-picker-grid .mp-sub { font-size: 11px; color: var(--c-text-mute); margin-top: 1px; }
.media-picker-grid .mp-card audio,
.media-picker-grid .mp-card video { width: 100%; }
.media-picker-grid .mp-card audio { height: 32px; }
.media-picker-grid .mp-card video { aspect-ratio: 16/10; background: #000; }

/* ==== Test runner & bulk ==== */
.test-runner {
  width: 100%;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
  align-items: start;
}
.test-runner .test-main { min-width: 0; }

/* Öğrenci modu: kenar barı yok, ortalanmış genişlik */
.test-runner.test-runner-student {
  grid-template-columns: 1fr;
  max-width: 920px;
  margin: 0 auto;
}

/* ---- Geçiş animasyonu ---- */
#question-container { position: relative; }
#question-container > .question-card,
#question-container > .category-intro {
  transition: opacity .25s ease, transform .25s ease;
}
#question-container.is-leaving > .question-card,
#question-container.is-leaving > .category-intro {
  opacity: 0;
  transform: translateY(-10px);
}
#question-container.is-entering > .question-card,
#question-container.is-entering > .category-intro {
  opacity: 0;
  transform: translateY(10px);
}

/* ---- Kategori giriş kartı ---- */
.category-intro {
  background: linear-gradient(135deg, #ffffff 0%, #f5f3ff 100%);
  border: 1px solid #ddd6fe;
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 28px rgba(79,70,229,.08);
  text-align: center;
}
.category-intro .ci-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--c-primary-soft); color: var(--c-primary);
  padding: 4px 12px; border-radius: 999px;
  font-size: 12.5px; font-weight: 700; letter-spacing: .02em;
  margin-bottom: 14px;
}
.category-intro .ci-title {
  font-size: 1.7rem; font-weight: 700; color: var(--c-text);
  margin: 0 0 14px; line-height: 1.25;
}
.category-intro .ci-desc {
  font-size: 1.1rem; line-height: 1.6;
  color: var(--c-text); max-width: 640px; margin: 0 auto;
  white-space: pre-line;
}
.category-intro .ci-audio {
  margin-top: 22px; padding: 14px 18px;
  background: #fff; border: 1px solid #e9d5ff; border-radius: 14px;
  display: inline-flex; align-items: center; gap: 12px;
  max-width: 100%;
}
.category-intro .ci-audio i { color: var(--c-primary); font-size: 1.4rem; }
.category-intro .ci-audio audio { height: 38px; }
.category-intro .ci-actions {
  margin-top: 28px;
  display: flex; justify-content: center;
}
.category-intro .ci-start {
  background: linear-gradient(135deg, var(--c-primary) 0%, #6366f1 100%);
  border: 1px solid var(--c-primary);
  color: #fff;
  padding: 12px 28px;
  font-size: 1.05rem; font-weight: 600;
  border-radius: 12px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: all .15s ease;
}
.category-intro .ci-start:hover {
  background: linear-gradient(135deg, var(--c-primary-h) 0%, #4f46e5 100%);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(79,70,229,.3);
}

/* ---- Topbar ---- */
.test-runner .test-topbar {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fafbff 100%);
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 14px 20px;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 16px rgba(79,70,229,.04);
  overflow: hidden;
}
.test-runner .test-topbar-left { min-width: 0; }
.test-runner .topbar-title {
  font-size: 15px; font-weight: 700; color: var(--c-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  line-height: 1.2;
}
.test-runner .topbar-meta {
  display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap;
}
.test-runner .meta-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11.5px; font-weight: 600;
  background: #f1f5f9; color: var(--c-text-soft);
  border: 1px solid #e2e8f0;
}
.test-runner .meta-pill i { font-size: 12px; }
.test-runner .meta-progress { background: var(--c-primary-soft); color: var(--c-primary); border-color: #ddd6fe; }
.test-runner .meta-remaining { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.test-runner .meta-cat { background: #f1f5f9; color: var(--c-text); border-color: #cbd5e1; }
.test-runner .meta-physical { background: #fef3c7; color: #92400e; border-color: #fde68a; }

/* Öğretmen ekranlarında şıklar yatay: harf solda, gövde sağda — dikeyde yer kazanır. */

.test-runner .test-topbar-center {
  display: flex; gap: 8px; justify-content: center; align-items: center;
}
.test-runner .nav-arrow {
  height: 44px;
  min-width: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  border-radius: 12px;
  background: #fff; border: 1px solid var(--c-border-2);
  color: var(--c-text-soft);
  font-size: 14px; font-weight: 600;
  padding: 0 16px;
  transition: all .15s ease;
}
.test-runner .nav-arrow i { font-size: 1.05rem; }
.test-runner .nav-arrow:hover:not(:disabled) {
  border-color: var(--c-primary); color: var(--c-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79,70,229,.12);
}
.test-runner .nav-arrow:disabled {
  opacity: .35; cursor: not-allowed; transform: none;
}
.test-runner .nav-arrow-primary:not(:disabled) {
  background: linear-gradient(135deg, var(--c-primary) 0%, #6366f1 100%);
  border-color: var(--c-primary); color: #fff;
}
.test-runner .nav-arrow-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--c-primary-h) 0%, #4f46e5 100%);
  color: #fff; box-shadow: 0 6px 18px rgba(79,70,229,.32);
}
.test-runner .btn-finish {
  background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
  border-color: #16a34a; color: #fff;
  height: 44px; padding: 0 18px; border-radius: 12px;
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600;
}
.test-runner .btn-finish:hover:not(:disabled) {
  background: linear-gradient(135deg, #15803d 0%, #16a34a 100%);
  color: #fff; box-shadow: 0 6px 18px rgba(22,163,74,.32);
}
.test-runner .btn-finish:disabled { opacity: .5; }

.test-runner .test-topbar-right {
  display: flex; gap: 10px; justify-content: flex-end; align-items: center;
}
.test-runner .timer-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-variant-numeric: tabular-nums;
  background: #fff; border: 1px solid var(--c-border-2); border-radius: 10px;
  padding: 7px 12px; font-size: 14px; font-weight: 600; color: var(--c-text-soft);
}
.test-runner .timer-pill i { color: var(--c-primary); }
.test-runner .timer-pill.warning { background: #fef3c7; border-color: #fde68a; color: #92400e; }
.test-runner .timer-pill.warning i { color: #92400e; }
.test-runner .timer-pill.danger  {
  background: #fee2e2; border-color: #fecaca; color: #991b1b;
  animation: pulse-danger 1.2s ease-in-out infinite;
}
.test-runner .timer-pill.danger i { color: #991b1b; }
@keyframes pulse-danger {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,.0); }
  50% { box-shadow: 0 0 0 6px rgba(220,38,38,.12); }
}
.test-runner .save-status {
  font-size: 11.5px; color: var(--c-text-mute);
  display: inline-flex; align-items: center; gap: 4px;
}
.test-runner .save-status i { font-size: 12px; }

.test-runner .topbar-progress {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px; background: #eef2ff;
}
.test-runner .topbar-progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--c-primary) 0%, #8b5cf6 100%);
  transition: width .35s cubic-bezier(.4,0,.2,1);
  border-radius: 0 2px 2px 0;
}

/* ---- Question card ---- */
.test-runner .question-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 28px 32px;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 16px rgba(15,23,42,.04);
  overflow: hidden;
}
.test-runner .question-card::before { content: none; }
.test-runner .qc-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 18px;
}
.test-runner .qc-num {
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 6px 14px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary-soft) 0%, #ede9fe 100%);
  color: var(--c-primary);
  border: 1px solid #ddd6fe;
}
.test-runner .qc-num-label {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  opacity: .8;
}
.test-runner .qc-num-val { font-size: 18px; font-weight: 700; }
.test-runner .qc-cat {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; padding: 5px 11px;
  background: #f1f5f9; color: var(--c-text-soft);
  border-radius: 999px;
  font-weight: 600;
}
.test-runner .qc-cat i { font-size: 11px; }

.test-runner .question-prompt {
  font-size: 1.3rem; line-height: 1.55;
  color: var(--c-text); font-weight: 500;
}
.test-runner .prompt-media {
  margin-top: 14px; padding: 12px;
  background: #f8fafc; border-radius: 10px;
  display: flex; justify-content: center;
}

/* ---- Options grid ---- */
.test-runner .options-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}
/* Yazılı şıklar uzunsa (sığmaz) tek sütuna iner. Görsel olanlar için bu sınıf eklenmez. */
.test-runner .options-grid.text-stacked {
  grid-template-columns: 1fr;
}
.test-runner .options-grid .option {
  position: relative;
  display: flex; flex-direction: column;
  border: 2px solid var(--c-border);
  border-radius: 14px;
  padding: 16px;
  background: #fff;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease, background .15s ease;
  margin-bottom: 0;
}
.test-runner .options-grid .option:hover {
  border-color: #c7d2fe;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(79,70,229,.08);
}
.test-runner .options-grid .option.selected {
  border-color: var(--c-primary);
  background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 100%);
  box-shadow: 0 0 0 4px rgba(79,70,229,.12), 0 8px 22px rgba(79,70,229,.10);
}
.test-runner .options-grid .option input { display: none; }

.test-runner .opt-letter {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 9px;
  background: #f1f5f9; color: var(--c-text-soft);
  font-weight: 700; font-size: 13px;
  margin-bottom: 12px;
  border: 1px solid #e2e8f0;
  transition: all .15s ease;
  align-self: flex-start;
}
.test-runner .options-grid .option.selected .opt-letter {
  background: var(--c-primary); color: #fff; border-color: var(--c-primary);
  box-shadow: 0 4px 10px rgba(79,70,229,.28);
}

.test-runner .opt-check {
  position: absolute; top: 12px; right: 12px;
  color: var(--c-primary); font-size: 1.25rem;
  opacity: 0; transform: scale(.6);
  transition: opacity .15s ease, transform .15s ease;
}
.test-runner .options-grid .option.selected .opt-check {
  opacity: 1; transform: scale(1);
}

.test-runner .opt-body { flex: 1; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.test-runner .opt-label {
  font-size: 17px; line-height: 1.45;
  color: var(--c-text); font-weight: 500;
  word-break: break-word;
}

.test-runner .opt-media-slot {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  background: #f8fafc; border-radius: 10px; overflow: hidden;
  border: 1px solid #eef2f7;
}
.test-runner .opt-media-slot:empty { display: none; }
.test-runner .opt-media-slot img {
  max-width: 100% !important;
  max-height: 100% !important;
  width: auto; height: auto;
  object-fit: contain;
}
.test-runner .opt-media-slot audio,
.test-runner .opt-media-slot video {
  width: 100%; max-height: 100%;
}

/* Fiziksel soru ekranı: harf solda, yazı sağda — dikeyde yer kazanır */
.test-runner.test-runner-physical .options-grid .option {
  flex-direction: row;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
}
.test-runner.test-runner-physical .opt-letter {
  margin-bottom: 0;
  flex-shrink: 0;
  align-self: center;
}
.test-runner.test-runner-physical .opt-body {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.test-runner.test-runner-physical .opt-media-slot {
  height: 96px; flex-shrink: 0; max-width: 50%;
}

/* ---- Question actions ---- */
.test-runner .question-actions {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; flex-wrap: wrap;
  margin-top: 24px; padding-top: 18px;
  border-top: 1px dashed var(--c-border);
}
.test-runner .qa-hint {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--c-text-mute);
  flex: 1; min-width: 200px;
}
.test-runner .qa-hint i { color: var(--c-primary); font-size: 14px; }
.test-runner .btn-blank {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 1px solid var(--c-border-2);
  color: var(--c-text-soft); font-weight: 600;
  padding: 8px 14px; border-radius: 10px;
  transition: all .12s ease;
}
.test-runner .btn-blank:hover {
  border-color: var(--c-text-soft); color: var(--c-text); background: #f8fafc;
}
.test-runner .btn-blank.active {
  background: linear-gradient(180deg, #fff7ed 0%, #ffedd5 100%);
  border-color: #fdba74; color: #9a3412;
}
.test-runner .btn-blank.active:hover { background: #fed7aa; }

/* ---- Sidebar / Question navigator ---- */
.test-runner .qnav {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
  padding: 16px 14px 12px;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 4px 16px rgba(15,23,42,.04);
  position: sticky; top: 16px;
  max-height: calc(100vh - 32px); overflow-y: auto;
}
.test-runner .qnav-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--c-text); font-weight: 800;
  padding-bottom: 12px; border-bottom: 1px solid var(--c-border); margin-bottom: 14px;
}
.test-runner .qnav-title i {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--c-primary-soft); color: var(--c-primary);
  font-size: 12px;
}
.test-runner .qnav-group { margin-bottom: 14px; }
.test-runner .qnav-group:last-child { margin-bottom: 6px; }
.test-runner .qnav-cat {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 10.5px; font-weight: 700; letter-spacing: .05em;
  color: var(--c-primary); text-transform: uppercase;
  margin-bottom: 8px;
}
.test-runner .qnav-cat-count {
  font-size: 10px; color: var(--c-text-mute);
  background: #f1f5f9; padding: 2px 7px; border-radius: 10px;
  letter-spacing: 0; text-transform: none; font-weight: 600;
}
.test-runner .qnav-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 5px;
}
.test-runner .qnav-cell {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  height: 30px; border-radius: 8px;
  background: #f8fafc; color: var(--c-text-soft);
  font-size: 12px; font-weight: 600;
  user-select: none;
  border: 1px solid #eef2f7;
  font-variant-numeric: tabular-nums;
  transition: all .12s ease;
}
.test-runner .qnav-cell.marked {
  background: #ecfdf5; color: #065f46;
  border-color: #a7f3d0;
}
.test-runner .qnav-cell.marked::after {
  content: ""; position: absolute; top: 3px; right: 3px;
  width: 5px; height: 5px; border-radius: 50%; background: #10b981;
}
.test-runner .qnav-cell.current {
  background: var(--c-primary); color: #fff;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.22), 0 4px 10px rgba(79,70,229,.18);
  transform: scale(1.05);
}
.test-runner .qnav-cell.current.marked::after { background: #fff; }

.test-runner .qnav-cell.clickable { cursor: pointer; }
.test-runner .qnav-cell.clickable:hover:not(.current) {
  transform: translateY(-1px);
  border-color: var(--c-primary);
  box-shadow: 0 4px 10px rgba(79,70,229,.12);
}

.test-runner .qnav-legend {
  margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 6px;
}
.test-runner .qnav-legend .legend-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--c-text-soft);
}
.test-runner .qnav-legend .dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid transparent;
}
.test-runner .qnav-legend .dot-current { background: var(--c-primary); box-shadow: 0 0 0 2px rgba(79,70,229,.18); }
.test-runner .qnav-legend .dot-marked { background: #10b981; }
.test-runner .qnav-legend .dot-physical { background: #f59e0b; }
.test-runner .qnav-legend .dot-pending { background: #f1f5f9; border-color: #cbd5e1; }

/* Physical question indicators (teacher bulk mode) */
.test-runner .qnav-cell.physical {
  background: #fffbeb; color: #92400e;
  border-color: #fde68a;
}
.test-runner .qnav-cell.physical::before {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 5px; height: 5px; border-radius: 50%; background: #f59e0b;
}
.test-runner .qnav-cell.physical.marked {
  background: linear-gradient(135deg, #fef3c7 0%, #ecfdf5 100%);
  color: #065f46; border-color: #a7f3d0;
}
.test-runner .qnav-cell.physical.current {
  background: linear-gradient(135deg, var(--c-primary) 0%, #f59e0b 100%);
  color: #fff; border-color: #f59e0b;
}

.test-runner .qc-head-right {
  display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap;
  justify-content: flex-end;
}
.test-runner .qc-physical {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 700;
  padding: 5px 11px; border-radius: 999px;
  background: #fffbeb; color: #92400e;
  border: 1px solid #fde68a;
  text-transform: uppercase; letter-spacing: .04em;
}
.test-runner .qc-physical i { font-size: 11px; }
.test-runner .question-card-physical::before {
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
}

@media (max-width: 991.98px) {
  .test-runner { grid-template-columns: 1fr; }
  .test-runner .qnav { position: static; max-height: none; }
  .test-runner .qnav-grid { grid-template-columns: repeat(10, 1fr); }
  .test-runner .qnav-legend { flex-direction: row; flex-wrap: wrap; gap: 14px; }
  .test-runner .options-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .test-runner .options-grid {
    grid-template-columns: 1fr;
  }
  .test-runner .test-topbar {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }
  .test-runner .test-topbar-center,
  .test-runner .test-topbar-right { justify-content: flex-start; }
  .test-runner .qnav-grid { grid-template-columns: repeat(8, 1fr); }
  .test-runner .question-card { padding: 22px 20px; }
}

.timer-pill {
  font-variant-numeric: tabular-nums;
  background: #fff; border: 1px solid var(--c-border); border-radius: 999px;
  padding: 4px 12px; font-size: 14px; color: var(--c-text-soft);
}
.timer-pill.warning { background: #fef3c7; border-color: #fde68a; color: #92400e; }
.timer-pill.danger  { background: #fee2e2; border-color: #fecaca; color: #991b1b; }

.media-picker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.media-picker-grid .pick { cursor: pointer; border: 2px solid transparent; border-radius: 8px; padding: 4px; transition: border-color .12s ease, background .12s ease; }
.media-picker-grid .pick:hover { background: #f8fafc; }
.media-picker-grid .pick.selected { border-color: var(--c-primary); background: var(--c-primary-soft); }

.audio-tile, .video-tile { width: 100%; }
.thumb-sm { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; border: 1px solid var(--c-border); }

.bulk-list .q-block {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--r-md);
  padding: 12px 16px; margin-bottom: 10px;
}

/* ==== Finish screen ==== */
.finish-screen {
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh; padding: 24px 12px;
}
.finish-card {
  position: relative;
  width: 100%; max-width: 520px;
  background: linear-gradient(180deg, #ffffff 0%, #fafbff 100%);
  border: 1px solid var(--c-border); border-radius: 20px;
  padding: 44px 36px 36px;
  text-align: center;
  box-shadow: 0 1px 2px rgba(15,23,42,.04), 0 20px 50px rgba(79,70,229,.08);
  overflow: hidden;
}
.finish-glow {
  position: absolute; inset: -50% -20% auto -20%; height: 220px;
  background: radial-gradient(ellipse at center, rgba(99,102,241,.18) 0%, rgba(99,102,241,0) 65%);
  pointer-events: none;
}
.finish-icon {
  position: relative;
  width: 84px; height: 84px; margin: 0 auto 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
  color: #fff;
  font-size: 44px;
  box-shadow: 0 16px 36px rgba(22,163,74,.30), inset 0 -2px 6px rgba(0,0,0,.08);
}
.finish-icon::after {
  content: ""; position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid rgba(34,197,94,.22);
  animation: ring-pulse 2.6s ease-in-out infinite;
}
@keyframes ring-pulse {
  0%, 100% { transform: scale(1); opacity: .9; }
  50% { transform: scale(1.12); opacity: .25; }
}
.finish-tag {
  position: relative;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px;
  background: #ecfdf5; color: #166534;
  font-size: 11.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  border: 1px solid #a7f3d0;
  margin-bottom: 12px;
}
.finish-title {
  position: relative;
  font-size: 22px; font-weight: 700; color: var(--c-text);
  margin: 0 0 10px;
}
.finish-message {
  position: relative;
  font-size: 14px; line-height: 1.6; color: var(--c-text-soft);
  margin-bottom: 24px;
}
.finish-message strong { color: var(--c-text); }
.finish-actions { position: relative; }
.btn-finish-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; font-weight: 600;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--c-primary) 0%, #6366f1 100%);
  border-color: var(--c-primary); color: #fff;
}
.btn-finish-cta:hover {
  background: linear-gradient(135deg, var(--c-primary-h) 0%, #4f46e5 100%);
  color: #fff;
  box-shadow: 0 8px 22px rgba(79,70,229,.32);
}

/* ==== Helpers ==== */
.muted { color: var(--c-text-mute); }
.tiny  { font-size: 11.5px; }
hr { border-color: var(--c-border); opacity: 1; }
.empty-state {
  text-align: center; padding: 40px 20px; color: var(--c-text-mute);
}
.empty-state .icon { font-size: 2.4rem; opacity: .6; margin-bottom: 8px; }