#dtsrva1a3-app { max-width: 1040px; margin: 0 auto; color: #1e293b; }
.dtsrva1a3-topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-bottom: 18px; }
.dtsrva1a3-back { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 10px; background: #334155; color: #fff; font-weight: 700; text-decoration: none; }
.dtsrva1a3-back:hover { background: #1e293b; color: #fff; }
.dtsrva1a3-heading { flex: 1 1 420px; }
.dtsrva1a3-heading h2 { margin: 0; color: #172033; font-size: clamp(24px, 3vw, 34px); }
.dtsrva1a3-heading p { margin: 6px 0 0; color: #64748b; }
.dtsrva1a3-status-bar { position: sticky; top: 12px; z-index: 30; display: flex; align-items: center; gap: 12px; margin-bottom: 18px; padding: 8px; border: 1px solid #bfdbfe; border-radius: 18px; background: rgba(239,246,255,.94); box-shadow: 0 8px 24px rgba(15,23,42,.12); backdrop-filter: blur(8px); }
.dtsrva1a3-meta { display: flex; flex: 1 1 auto; align-items: center; justify-content: center; gap: 18px; margin: 0; padding: 7px 10px; border: 0; border-radius: 12px; background: transparent; }
.dtsrva1a3-meta p { max-width: 700px; margin: 0; color: #1e3a8a; font-size: 14px; line-height: 1.5; }
.dtsrva1a3-timer { padding: 12px 18px; border-radius: 12px; background: #111827; color: #fff; font-size: 24px; font-weight: 800; white-space: nowrap; }
.dtsrva1a3-progress-wrap { display: flex; flex: 0 0 auto; justify-content: flex-end; margin: 0; }
#dtsrva1a3-progress { padding: 10px 16px; border: 1px solid #bfdbfe; border-radius: 999px; background: #eff6ff; color: #1e3a8a; font-weight: 800; cursor: pointer; }
.dtsrva1a3-question { scroll-margin-top: 110px; margin-bottom: 22px; padding: 20px; border: 1px solid #dbe4ee; border-radius: 16px; background: #fff; box-shadow: 0 5px 18px rgba(15,23,42,.05); }
.dtsrva1a3-question h3 { margin-top: 0; color: #172033; font-size: 18px; line-height: 1.5; }
.dtsrva1a3-options { display: grid; gap: 10px; }
.dtsrva1a3-option { width: 100%; padding: 13px; border: 1px solid #cbd5e1; border-radius: 9px; background: #fff; color: #222; text-align: left; cursor: pointer; transition: .2s; }
.dtsrva1a3-option:hover { background: #f3f4f6; }
.dtsrva1a3-option.selected:not(.correct):not(.incorrect) { border-color: #1d4ed8; background: #2563eb; color: #fff; }
.dtsrva1a3-option:focus-visible, .dtsrva1a3-option:focus:not(.selected):not(.correct):not(.incorrect) { outline: none !important; box-shadow: none !important; border-color: #cbd5e1; background: #fff; color: #222; }
.dtsrva1a3-option.correct { border-color: #15803d; background: #16a34a; color: #fff; }
.dtsrva1a3-option.incorrect { border-color: #b91c1c; background: #dc2626; color: #fff; }
.dtsrva1a3-option.unanswered-correct { border-color: #eab308; background: #facc15; color: #111827; }
.dtsrva1a3-explanation { display: none; margin-top: 14px; padding: 14px; border-left: 4px solid #2563eb; border-radius: 8px; background: #f8fafc; line-height: 1.5; }
.dtsrva1a3-explanation.visible { display: block; }
.dtsrva1a3-explanation strong, .dtsrva1a3-explanation span { display: block; }
.dtsrva1a3-actions, .dtsrva1a3-result-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 24px; }
.dtsrva1a3-actions button, .dtsrva1a3-result-actions button { padding: 14px 22px; border: 0; border-radius: 10px; background: #0f766e; color: #fff; font-weight: 800; cursor: pointer; }
.dtsrva1a3-actions button:hover, .dtsrva1a3-result-actions button:hover { background: #115e59; }
.dtsrva1a3-actions button + button, .dtsrva1a3-result-actions button + button { background: #2563eb; }
.dtsrva1a3-result { margin-top: 28px; padding: 26px; border: 1px solid #cbd5e1; border-radius: 18px; background: #f8fafc; text-align: center; }
.dtsrva1a3-result.pass { border-color: #86efac; background: #f0fdf4; }
.dtsrva1a3-result h2 { margin-top: 0; color: #172033; }
.dtsrva1a3-score { margin: 18px 0; color: #0f766e; font-size: 42px; font-weight: 900; }
.dtsrva1a3-score small { display: block; font-size: 18px; }
.dtsrva1a3-reference { margin: 16px 0; padding: 13px; border-radius: 10px; background: #e0f2fe; color: #075985; }
.dtsrva1a3-breakdown { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; text-align: left; }
.dtsrva1a3-breakdown > div { padding: 13px; border: 1px solid #dbe4ee; border-radius: 12px; background: #fff; }
.dtsrva1a3-breakdown span, .dtsrva1a3-breakdown strong, .dtsrva1a3-breakdown small { display: block; }
.dtsrva1a3-breakdown span { font-size: 24px; }
.dtsrva1a3-breakdown small { margin-top: 4px; color: #64748b; }
.dtsrva1a3-session { color: #475569; }
.dtsrva1a3-dialog-overlay { position: fixed; inset: 0; z-index: 99999; display: grid; place-items: center; padding: 20px; background: rgba(15,23,42,.64); }
.dtsrva1a3-dialog { width: min(520px, 100%); padding: 28px; border-radius: 18px; background: #fff; text-align: center; box-shadow: 0 24px 70px rgba(15,23,42,.34); }
.dtsrva1a3-dialog h3 { color: #172033; }
.dtsrva1a3-dialog div { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }
.dtsrva1a3-dialog button { padding: 11px 16px; border: 0; border-radius: 9px; background: #1d4ed8; color: #fff; font-weight: 700; cursor: pointer; }
.dtsrva1a3-dialog button.secondary { background: #e2e8f0; color: #334155; }
body.dtsrva1a3-dialog-open { overflow: hidden; }
.dtsrva1a3-error { padding: 18px; border-radius: 12px; background: #fee2e2; color: #991b1b; }
@media (max-width: 650px) { .dtsrva1a3-status-bar { top: 8px; flex-direction: column; align-items: stretch; padding: 7px; } .dtsrva1a3-meta { flex-direction: row; align-items: center; justify-content: space-between; gap: 10px; padding: 4px; } .dtsrva1a3-meta p { font-size: 12px; } .dtsrva1a3-timer { padding: 9px 12px; font-size: 20px; } .dtsrva1a3-progress-wrap { justify-content: stretch; } #dtsrva1a3-progress { width: 100%; } .dtsrva1a3-breakdown { grid-template-columns: 1fr; } .dtsrva1a3-back { width: 100%; } }