/* Talaba sayti — qoʻshimcha uslublar (asosiysi common.css) */

.subject-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .15s ease;
}
.subject-card:hover { transform: translateY(-3px); }
.subject-card h3 { font-size: 1.05rem; font-weight: 700; }

/* Savol kartasi */
.q-card { padding: 22px; }
.q-num { font-size: 0.8rem; color: var(--muted); margin-bottom: 6px; }
.q-text { font-size: 1.05rem; font-weight: 600; margin-bottom: 16px; line-height: 1.5; }

.opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: background .15s, border .15s;
  margin-bottom: 8px;
}
.opt:hover { background: rgba(124, 58, 237, 0.07); }
.opt.selected {
  border-color: var(--violet-2);
  background: rgba(147, 51, 234, 0.14);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.35) inset;
}
.opt .letter {
  width: 30px; height: 30px;
  flex: none;
  border-radius: 8px;
  background: rgba(124, 58, 237, 0.12);
  color: var(--violet-1);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.opt.selected .letter { background: var(--violet-1); color: #ffffff; }

/* ---------- Test sahifasi: sarlavha + navigator yuqorida qotib turadi ---------- */
.test-top {
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 10px 16px 8px;
  /* Ostidan oʻtayotgan savollar koʻrinib qolmasligi uchun fon (sahifa foniga mos) */
  background: linear-gradient(to bottom, #f0ecfa 82%, rgba(240, 236, 250, 0));
  backdrop-filter: blur(6px);
}
.test-top header { border-radius: 16px; }

/* ---------- Savollar navigatori ---------- */
.qnav-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 8px 12px;
}
.qnav-label { flex: none; }
.qnav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 2px;
  flex: 1;
  min-width: 0;
}
.qnav.expanded {
  flex-wrap: wrap;
  overflow-x: visible;
  max-height: 30vh;
  overflow-y: auto;
}
.qn {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.65);
  color: var(--text);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background .15s, color .15s, box-shadow .15s;
}
.qn:hover { background: rgba(124, 58, 237, 0.1); }
.qn.answered {                /* javob belgilangan savol */
  background: var(--violet-1);
  border-color: transparent;
  color: #ffffff;
}
.qn.current {                 /* hozir koʻrinib turgan savol */
  box-shadow: 0 0 0 2px var(--violet-2);
}

/* Savolga oʻtilganda qisqa "chaqnash" */
.q-card { scroll-margin-top: 150px; }
.q-card.flash { box-shadow: 0 0 0 2px var(--violet-2); }

/* ---------- Telefon (talaba paneli) ---------- */
@media (max-width: 640px) {
  /* iOS kiritish maydoniga bosganda sahifani kattalashtirmasin (16px shart) */
  .field, .opt, .btn { font-size: 16px; }
  .btn-sm { font-size: 14px; }

  /* Fanlar bitta ustunda, kartochka ichi kengroq */
  #subjectGrid { grid-template-columns: 1fr !important; gap: 12px !important; }
  .subject-card h3 { font-size: 1.1rem; }
  .subject-card .btn { min-height: 46px; }

  /* Talaba sarlavhasi yuqorida turadi (fan nomi va guruh koʻrinib tursin) */
  #view-dash > header { position: sticky; top: 6px; z-index: 20; }

  .test-top { padding: 8px 10px 6px; }
  .qnav-wrap { margin-top: 6px; padding: 6px 8px; gap: 6px; }
  .qnav-label { display: none; }          /* joyni tejaymiz */
  .qn { width: 34px; height: 34px; font-size: 0.8rem; }
  .q-card { scroll-margin-top: 128px; }

  /* Variantlar barmoq bilan bosishga qulay boʻlsin */
  .opt { min-height: 48px; margin-bottom: 10px; }
  .opt .letter { width: 28px; height: 28px; }

  .subject-card { padding: 16px; }
}

/* Taymer ogohlantiruv */
#timer.danger {
  background: rgba(248, 113, 113, 0.25);
  color: var(--err);
  animation: pulse 1s infinite;
}
@keyframes pulse { 50% { opacity: 0.55; } }