.screen-intro {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, #EEF4FF 0%, #F5F7FA 42%, #E6EEFF 100%);
}
.screen-intro .auth-split {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}
.screen-intro .auth-left { max-width: 560px; }
.screen-intro .brand { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
.screen-intro .brand-name {
  font-size: 27px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -.02em;
  line-height: 1;
}
.screen-intro .brand-name span {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-500);
  letter-spacing: .01em;
  margin-top: 5px;
}
.screen-intro .auth-left h1 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.13;
  letter-spacing: -.025em;
  color: var(--gray-900);
  margin-bottom: 18px;
}
.screen-intro .auth-left h1 em { font-style: normal; color: var(--blue-600); }
.screen-intro .lead {
  font-size: 16.5px;
  line-height: 1.62;
  color: var(--gray-500);
  max-width: 490px;
  margin-bottom: 28px;
}
.screen-intro .feat { list-style: none; display: flex; flex-direction: column; gap: 13px; }
.screen-intro .feat li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 14.5px;
  color: #374151;
  line-height: 1.5;
}
.screen-intro .feat li .app-icon { color: var(--blue-600); margin-top: 1px; }
.screen-intro .auth-right { display: flex; justify-content: center; }
.screen-intro .auth-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 22px;
  box-shadow: 0 14px 44px rgba(16, 24, 40, .10);
  padding: 40px;
  width: 100%;
  max-width: 470px;
}

@media (max-width: 900px) {
  .screen-intro .auth-split { grid-template-columns: 1fr; gap: 38px; max-width: 480px; }
  .screen-intro .auth-left { max-width: none; text-align: center; }
  .screen-intro .brand { justify-content: center; }
  .screen-intro .lead { margin-left: auto; margin-right: auto; }
  .screen-intro .feat { display: inline-flex; text-align: left; }
}
@media (max-width: 520px) {
  .screen-intro { padding: 28px 16px; }
  .screen-intro .auth-card { padding: 28px 22px; }
}

.screen-intro .auth-card .step-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 10px;
}
.screen-intro .auth-card h2 { font-size: 27px; font-weight: 800; letter-spacing: -.02em; }
.screen-intro .auth-card .auth-sub { font-size: 14.5px; color: var(--gray-500); margin-top: 6px; }
.screen-intro .auth-card .auth-note {
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}
.screen-intro .auth-card .login-callout {
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  color: var(--gray-900);
  line-height: 1.5;
}
.screen-intro .auth-card .login-callout a {
  color: var(--blue-700);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.screen-intro .user-summary { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.screen-intro .us-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 12px 14px;
}
.screen-intro .us-ic {
  width: 34px; height: 34px; flex: none;
  border-radius: 9px;
  background: var(--blue-50);
  color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.screen-intro .us-body { min-width: 0; }
.screen-intro .us-k {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gray-500);
}
.screen-intro .us-v {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.screen-intro .voucher-field { margin: 18px 0 6px; }
.screen-intro .voucher-err {
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  min-height: 18px;
  margin: 0 0 14px;
}
.screen-intro .back-btn { margin-top: 8px; }

.exam-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
}
.exam-topbar .topbar-inner { max-width: 1120px; margin: 0 auto; padding: 14px 20px; }
.exam-topbar .tb-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 11px;
}
.exam-topbar .tb-left { display: flex; align-items: center; gap: 11px; min-width: 0; }
.exam-topbar .tb-brand { font-weight: 800; font-size: 15px; white-space: nowrap; }
.exam-topbar .tb-user {
  font-size: 13px;
  color: var(--gray-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.exam-topbar .tb-right { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.exam-topbar .tb-count { font-size: 13px; font-weight: 700; color: var(--gray-900); }
.exam-topbar .tb-count b { color: var(--blue-600); }
.exam-topbar .tb-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 800;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 5px 11px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.exam-topbar .tb-timer.warn {
  color: #B42318;
  background: #FEF3F2;
  border-color: #FDA29B;
  animation: timerPulse 1s ease-in-out infinite;
}
@keyframes timerPulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }

.exam-topbar .progress-track {
  height: 7px;
  background: var(--gray-100);
  border-radius: 999px;
  overflow: hidden;
}
.exam-topbar .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-500), var(--blue-600));
  border-radius: 999px;
  transition: width .35s ease;
}

.screen-test { padding-bottom: 60px; }

.test-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 20px 0;
  display: flex;
  gap: 26px;
  align-items: flex-start;
}
.test-shell .q-main { flex: 1; min-width: 0; }

.q-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
}
.q-footer .spacer { flex: 1; }

.mobile-submit { margin-top: 20px; display: none; }
.mobile-submit .btn { width: 100%; justify-content: center; }

.screen-enter-active, .screen-leave-active { transition: opacity .26s ease, transform .26s ease; }
.screen-enter { opacity: 0; transform: translateY(10px); }
.screen-leave-to { opacity: 0; transform: translateY(-6px); }

@media (max-width: 960px) {
  .test-shell { flex-direction: column; padding-top: 16px; }
  .test-shell .q-main { width: 100%; }
  .mobile-submit { display: block; }
}

.passage {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  margin-bottom: 20px;
  overflow: hidden;
}
.passage .passage-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 18px;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  cursor: pointer;
  user-select: none;
}
.passage .pt { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 14px; }
.passage .pt .app-icon { color: var(--blue-600); }
.passage .phead-right { display: flex; align-items: center; gap: 10px; }
.passage .chev { color: var(--gray-500); transition: transform .2s; display: inline-flex; }
.passage.collapsed .chev { transform: rotate(-90deg); }
.passage .pgap {
  background: var(--blue-600);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .02em;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  cursor: pointer;
}
.passage .passage-body {
  max-height: 340px;
  overflow-y: auto;
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.72;
  color: #2b3140;
}
.passage.collapsed .passage-body { display: none; }

.q-panel .q-eyebrow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.q-panel .qnum {
  font-size: 13px;
  font-weight: 800;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.q-panel .stem {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gray-900);
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.q-panel .stem-orig {
  background: var(--warning-bg);
  border: 1px solid #F6E2B8;
  border-radius: 12px;
  padding: 13px 16px;
  margin: 6px 0 16px;
  font-size: 15px;
}
.q-panel .stem-orig .l {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #B45309;
  display: block;
  margin-bottom: 5px;
}
.q-panel .stem-orig .s { font-style: italic; color: #7c4a03; }

.q-panel .pv-lines { margin: 8px 0 18px; }
.q-panel .pv-line {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 11px;
  padding: 12px 15px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.55;
}
.q-panel .pv-line .tag { display: inline-block; width: 20px; font-weight: 800; color: var(--blue-600); }

.q-panel .hint-note {
  font-size: 13px;
  color: var(--gray-500);
  margin: -6px 0 16px;
  display: flex;
  gap: 7px;
  align-items: flex-start;
}
.q-panel .hint-note .app-icon { margin-top: 2px; color: var(--blue-500); }

.q-panel .options { display: flex; flex-direction: column; gap: 11px; margin-top: 4px; }
.q-panel .opt {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  cursor: pointer;
  transition: .13s;
  background: #fff;
}
.q-panel .opt:hover { border-color: var(--blue-500); background: var(--blue-50); }
.q-panel .opt-l {
  width: 28px; height: 28px; flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; color: var(--gray-900);
  transition: .13s;
}
.q-panel .opt-t { font-size: 15px; line-height: 1.5; padding-top: 2px; color: #2b3140; }
.q-panel .opt.selected { border-color: var(--blue-600); background: var(--blue-50); }
.q-panel .opt.selected .opt-l { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

@media (max-width: 560px) {
  .q-panel .stem { font-size: 17px; }
}

.rail { width: 230px; flex: none; position: sticky; top: 96px; }
.rail .rail-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.rail .rail-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 12px;
}
.rail .rail-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; }
.rail .rnum {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  font-weight: 700;
  font-size: 13px;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .12s;
}
.rail .rnum:hover { border-color: var(--blue-500); }
.rail .rnum.answered { background: var(--blue-50); border-color: var(--blue-100); color: var(--blue-700); }
.rail .rnum.current {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  transform: scale(1.06);
  box-shadow: 0 3px 10px rgba(37, 99, 235, .35);
}
.rail .rail-legend { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.rail .leg { display: flex; align-items: center; gap: 9px; font-size: 12px; color: var(--gray-500); }
.rail .leg .dot { width: 15px; height: 15px; border-radius: 5px; flex: none; }
.rail .leg .d-cur { background: var(--blue-600); }
.rail .leg .d-ans { background: var(--blue-50); border: 1.5px solid var(--blue-100); }
.rail .leg .d-emp { background: #fff; border: 1.5px solid var(--gray-200); }
.rail .rail-submit { margin-top: 16px; }
.rail .rail-submit .btn { width: 100%; justify-content: center; }

.rail-mobile { display: none; }
.rail-mobile .rnum {
  border-radius: 8px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  font-weight: 700;
  font-size: 13px;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: .12s;
  width: 36px;
  height: 36px;
  flex: none;
}
.rail-mobile .rnum.answered { background: var(--blue-50); border-color: var(--blue-100); color: var(--blue-700); }
.rail-mobile .rnum.current {
  background: var(--blue-600);
  border-color: var(--blue-600);
  color: #fff;
  box-shadow: 0 3px 10px rgba(37, 99, 235, .35);
}

@media (max-width: 960px) {
  .rail { display: none; }
  .rail-mobile {
    display: block;
    position: sticky;
    top: 82px;
    z-index: 20;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    margin: 0 -20px 16px;
    padding: 11px 20px;
  }
  .rail-mobile .rm-scroll {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
}

.finish-overlay {
  position: fixed;
  inset: 0;
  background: rgba(245, 247, 250, .94);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  z-index: 9999;
  text-align: center;
  padding: 24px;
  animation: overlayIn .3s ease;
}
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
.finish-overlay .spin {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 5px solid var(--gray-200);
  border-top-color: var(--blue-600);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.finish-overlay .ft { font-weight: 800; color: var(--gray-900); font-size: 17px; }
.finish-overlay .fs { font-size: 13px; color: var(--gray-500); }

.vm-input {
  width: 100%;
  margin-top: 8px;
  padding: 13px 15px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .04em;
  text-align: center;
  text-transform: uppercase;
  background: var(--gray-50);
}
.vm-input:focus {
  outline: none;
  border-color: var(--blue-500);
  background: #fff;
  box-shadow: 0 0 0 3px var(--blue-50);
}
.vm-input.invalid { border-color: var(--danger); background: var(--danger-bg); }
.vm-err { color: var(--danger); font-size: 13px; font-weight: 600; margin: 8px 0 16px; min-height: 18px; }

.score-ring { position: relative; flex: none; }
.score-ring .ring-value {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -.02em;
}
.score-ring .ring-value small { font-size: 12px; color: var(--gray-500); font-weight: 600; margin-top: -2px; }

.screen-results { padding: 36px 0 0; }
.screen-results .dash-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.screen-results .dash-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.screen-results .dash-hi { font-size: 26px; font-weight: 800; letter-spacing: -.02em; color: var(--gray-900); }
.screen-results .dash-sub { font-size: 14px; color: var(--gray-500); margin-top: 4px; }
.screen-results .dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.screen-results .attempt-cmp { margin-top: 20px; }
.screen-results .save-error {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--danger-bg);
  border: 1px solid #FDA29B;
  border-radius: 12px;
  padding: 13px 16px;
  margin-bottom: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: #B42318;
}
.screen-results .save-error .app-icon { color: var(--danger); }
.screen-results .disclaimer {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 12.5px;
  color: var(--gray-500);
  line-height: 1.6;
  margin-top: 24px;
  display: flex;
  gap: 10px;
}
.screen-results .disclaimer .app-icon { margin-top: 1px; color: var(--warning); }
.screen-results .site-foot {
  border-top: 1px solid var(--gray-200);
  margin-top: 50px;
  padding: 26px 20px;
  text-align: center;
  font-size: 13px;
  color: var(--gray-500);
}
.screen-results .site-foot b { color: var(--gray-900); }
.screen-results .foot-sub { margin-top: 6px; display: block; }

@media (max-width: 820px) {
  .screen-results .dash-grid { grid-template-columns: 1fr; }
  .screen-results .dash-head { flex-direction: column; }
  .screen-results .dash-actions { width: 100%; }
}

.dash-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 24px;
}
.dash-card.empty { display: flex; flex-direction: column; border-style: dashed; background: var(--gray-50); }

.dash-card .dc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.dash-card .dc-slot { font-size: 15px; font-weight: 800; color: var(--gray-900); }
.dash-card .dc-date {
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.dash-card .dc-date .app-icon { color: var(--blue-600); }

.dash-card .dc-score { display: flex; align-items: center; gap: 20px; margin-bottom: 18px; }
.dash-card .dc-info { min-width: 0; }
.dash-card .dc-verdict { font-size: 18px; font-weight: 800; color: var(--gray-900); line-height: 1.15; }
.dash-card .dc-raw { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.dash-card .timeup { color: var(--danger); font-weight: 700; }
.dash-card .dc-band {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue-50); color: var(--blue-700);
  font-weight: 700; font-size: 12.5px;
  padding: 5px 11px; border-radius: 999px; margin-top: 8px; white-space: nowrap;
}
.dash-card .dc-time {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 7px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.dash-card .bar-row { margin-bottom: 12px; }
.dash-card .bar-row:last-child { margin-bottom: 0; }
.dash-card .bar-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.dash-card .bar-top .bl { font-size: 13.5px; font-weight: 600; }
.dash-card .bar-top .bv { font-size: 13px; font-weight: 800; }
.dash-card .bar-track { height: 10px; background: var(--gray-50); border-radius: 999px; overflow: hidden; }
.dash-card .bar-fill { height: 100%; border-radius: 999px; transition: width .6s ease; }

.dash-card .dc-summ { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 16px; }
.dash-card .summ-item { background: var(--gray-50); border-radius: 12px; padding: 12px; text-align: center; }
.dash-card .summ-item .sv { font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.dash-card .summ-item .sl { font-size: 11px; color: var(--gray-500); font-weight: 500; margin-top: 2px; }
.dash-card .summ-item.ok .sv { color: var(--success); }
.dash-card .summ-item.no .sv { color: var(--danger); }

.dash-card .dc-rec {
  margin-top: 16px;
  padding: 13px 15px;
  background: var(--blue-50);
  border-radius: 12px;
  border-left: 3px solid var(--blue-600);
  font-size: 13px;
  line-height: 1.55;
  color: var(--gray-900);
}
.dash-card .dc-rec .rl { font-weight: 800; display: block; margin-bottom: 3px; color: var(--blue-700); }

.dash-card .dc-empty {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; gap: 10px; padding: 24px 8px;
}
.dash-card .dc-empty-ico {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--blue-50); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
}
.dash-card .dc-empty-t { font-size: 17px; font-weight: 800; color: var(--gray-900); }
.dash-card .dc-empty-s { font-size: 13px; color: var(--gray-500); line-height: 1.5; max-width: 280px; }
.dash-card .dc-empty-note { font-size: 11.5px; color: var(--gray-500); margin-top: 4px; font-style: italic; }
.dash-card.empty .btn { margin-top: 6px; }

.ah-cmp {
  display: flex;
  gap: 9px;
  align-items: center;
  margin-top: 10px;
  padding: 12px 15px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.5;
  font-weight: 500;
}
.ah-cmp.up { background: #ECFDF3; border: 1px solid #A6F4C5; color: #05603A; }
.ah-cmp.up .app-icon { color: var(--success); }
.ah-cmp.down { background: #FEF3F2; border: 1px solid #FDA29B; color: #B42318; }
.ah-cmp.down .app-icon { color: var(--danger); }
.ah-cmp.eq { background: var(--gray-50); border: 1px solid var(--gray-200); color: var(--gray-900); }
.ah-cmp.eq .app-icon { color: var(--gray-500); }

.screen-overview {
  min-height: 100vh;
  padding: 40px 24px 0;
  background: linear-gradient(135deg, #EEF4FF 0%, #F5F7FA 42%, #E6EEFF 100%);
}
.screen-overview .ov-wrap { max-width: 940px; margin: 0 auto; }

.screen-overview .ov-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}
.screen-overview .ov-hi {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--gray-900);
}
.screen-overview .ov-sub {
  font-size: 15px;
  line-height: 1.6;
  color: var(--gray-500);
  margin-top: 6px;
  max-width: 560px;
}

.screen-overview .ov-identity { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.screen-overview .ov-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  font-size: 12.5px;
  box-shadow: var(--shadow-sm);
}
.screen-overview .ov-chip .app-icon { color: var(--blue-600); }
.screen-overview .ov-chip-k { color: var(--gray-500); }
.screen-overview .ov-chip-v { font-weight: 700; color: var(--gray-900); }

.screen-overview .ov-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.screen-overview .ov-fact {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.screen-overview .ov-fact-ico {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--blue-50);
  color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.screen-overview .ov-fact-value { font-size: 22px; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.screen-overview .ov-fact-label { font-size: 12.5px; color: var(--gray-500); font-weight: 600; margin-top: 4px; }

.screen-overview .ov-panel {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.screen-overview .ov-panel h3 {
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
}
.screen-overview .ov-panel h3 .app-icon { color: var(--blue-600); }
.screen-overview .ov-note { font-size: 13.5px; color: var(--gray-500); line-height: 1.6; margin-bottom: 16px; }

.screen-overview .ov-parts { display: flex; flex-direction: column; gap: 8px; }
.screen-overview .ov-part {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 11px 14px;
}
.screen-overview .ov-part-no {
  width: 26px; height: 26px; flex: none;
  border-radius: 8px;
  background: var(--blue-600);
  color: #fff;
  font-size: 12.5px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.screen-overview .ov-part-label { font-size: 14px; font-weight: 700; flex: 1; min-width: 150px; }
.screen-overview .ov-part-range { font-size: 12.5px; color: var(--gray-500); font-weight: 600; }

.screen-overview .ov-two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.screen-overview .ov-two .ov-panel { margin-bottom: 20px; }

.screen-overview .ov-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.screen-overview .ov-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13.5px;
  line-height: 1.6;
  color: #374151;
}
.screen-overview .ov-list li .app-icon { color: var(--success); margin-top: 3px; }

.screen-overview .ov-start {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--blue-100);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 10px 32px rgba(16, 24, 40, .08);
}
.screen-overview .ov-start h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.screen-overview .ov-start p { font-size: 14px; color: var(--gray-500); line-height: 1.6; }
.screen-overview .ov-start-text { min-width: 0; }
.screen-overview .ov-start-form .field { margin-bottom: 0; }
.screen-overview .ov-err {
  color: var(--danger);
  font-size: 13px;
  font-weight: 600;
  min-height: 18px;
  margin: 6px 0 10px;
}

.screen-overview .ov-foot {
  text-align: center;
  font-size: 12.5px;
  color: var(--gray-500);
  padding: 30px 0 26px;
}
.screen-overview .ov-foot b { color: var(--gray-900); }

@media (max-width: 820px) {
  .screen-overview { padding: 28px 16px 0; }
  .screen-overview .ov-head { flex-direction: column; }
  .screen-overview .ov-two { grid-template-columns: 1fr; }
  .screen-overview .ov-start { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 640px) {
  .screen-overview { padding: 20px 14px 0; }
  .screen-overview .ov-hi { font-size: 24px; }
  .screen-overview .ov-sub { font-size: 14px; }
  .screen-overview .ov-panel { padding: 18px 16px; }
  .screen-overview .ov-start { padding: 18px 16px; }
  .screen-overview .ov-part { gap: 8px; padding: 10px 12px; }
  .screen-overview .ov-part-label { min-width: 120px; font-size: 13.5px; }
  .screen-overview .ov-facts { gap: 10px; }
  .screen-overview .ov-fact { padding: 14px 16px; }

  .screen-results { padding: 20px 0 0; }
  .dash-card { padding: 18px 16px; border-radius: 16px; }
  .dash-card .dc-score { gap: 14px; }
  .dash-card .dc-summ { grid-template-columns: repeat(2, 1fr); }
  .screen-results .disclaimer { padding: 14px; }

  .test-shell { padding: 12px 14px 0; }
  .q-panel .opt { padding: 12px 13px; gap: 10px; }
  .q-panel .opt-t { font-size: 14.5px; }
  .passage .passage-body { padding: 14px 15px; font-size: 14.5px; max-height: 260px; }
  .q-footer { margin-top: 20px; padding-top: 16px; }
  .exam-topbar .topbar-inner { padding: 11px 14px; }
  .exam-topbar .tb-brand { font-size: 14px; }
  .exam-topbar .tb-user { display: none; }
}

@media (max-width: 400px) {
  .dash-card .dc-score { flex-direction: column; align-items: flex-start; }
  .q-footer .btn { padding: 10px 14px; font-size: 14px; }
}