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var(--border);background:var(--card);border-radius:var(--radius-sm);margin-bottom:18px;overflow:hidden}.scenario-toggle{cursor:pointer;width:100%;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text);text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;padding:10px 16px;font-size:12px;font-weight:600;display:flex}.scenario-toggle:hover{background:var(--hover)}.scenario-context{color:var(--text-soft);padding:4px 16px 14px;font-size:14.5px}.q-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:30px 34px;transition:background-color .2s,border-color .2s}.q-meta{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:14px;font-size:11.5px;font-weight:600}.q-meta .official-star{color:var(--warn)}.q-stem{letter-spacing:-.015em;margin-bottom:24px;font-size:19px;font-weight:700;line-height:1.5}.q-options{gap:10px;display:grid}.q-option{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:var(--bg);align-items:baseline;gap:14px;padding:14px 16px;font-size:15px;line-height:1.55;transition:all .15s;display:flex}.q-option:hover{border-color:var(--accent);background:var(--card)}.q-option .opt-letter{font-family:var(--mono);color:var(--text-faint);border:1px solid var(--border-strong);border-radius:6px;flex:none;justify-content:center;align-items:center;width:26px;height:26px;font-size:12.5px;font-weight:700;display:inline-flex;transform:translateY(3px)}.q-option.selected{border-color:var(--accent-strong);background:var(--accent-soft)}.q-option.selected .opt-letter{background:var(--accent-strong);color:#fff;border-color:var(--accent-strong)}.dark .q-option.selected .opt-letter{background:var(--accent);color:#052e22;border-color:var(--accent)}.q-option.locked{pointer-events:none}.q-option.reveal-correct{border-color:var(--accent-strong);background:var(--accent-soft)}.q-option.reveal-correct .opt-letter{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}.q-option.reveal-wrong{border-color:var(--danger);background:var(--danger-soft)}.q-option.reveal-wrong .opt-letter{background:var(--danger);border-color:var(--danger);color:#fff}.feedback{border:1px solid var(--border);border-left:4px solid var(--accent-strong);border-radius:var(--radius-sm);background:var(--card);margin-top:18px;padding:18px 22px;animation:.3s both viewIn}.feedback.is-wrong{border-left-color:var(--danger)}.feedback-verdict{font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:700}.feedback.is-wrong .feedback-verdict{color:var(--danger-text)}.feedback:not(.is-wrong) .feedback-verdict{color:var(--accent-text)}.feedback-expl{color:var(--text-soft);font-size:14.5px}.quiz-actions{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}#btn-flag.flagged{background:var(--warn);border-color:var(--warn);color:#fff}.quiz-side{align-self:start;position:sticky;top:88px}.side-title{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-bottom:12px;font-size:11px;font-weight:600}.nav-grid{grid-template-columns:repeat(6,1fr);gap:6px;display:grid}.nav-cell{aspect-ratio:1;border:1px solid var(--border);background:var(--card);font-family:var(--mono);cursor:pointer;color:var(--text-soft);border-radius:6px;justify-content:center;align-items:center;font-size:11px;font-weight:600;transition:all .12s;display:flex}.nav-cell:hover{border-color:var(--accent)}.nav-cell.answered{background:var(--accent-strong);color:#fff;border-color:var(--accent-strong)}.dark .nav-cell.answered{background:var(--accent);color:#052e22;border-color:var(--accent)}.nav-cell.flagged{box-shadow:inset 0 -3px 0 var(--warn)}.nav-cell.current{outline:2px solid var(--accent);outline-offset:1px}.side-legend{font-family:var(--mono);color:var(--text-faint);gap:6px;margin-top:16px;font-size:11px;display:grid}.dot{border:1px solid var(--border-strong);border-radius:3px;width:9px;height:9px;margin-right:8px;display:inline-block}.dot-answered{background:var(--accent-strong);border-color:var(--accent-strong)}.dot-flagged{box-shadow:inset 0 -3px 0 var(--warn);background:var(--card)}.dot-blank{background:var(--card)}.results-head .view-title.pass{color:var(--accent-text)}.results-head .view-title.fail{color:var(--danger-text)}.results-grid{grid-template-columns:auto 1fr 1fr;align-items:start;gap:20px;display:grid}.score-panel{text-align:center;padding:30px 36px}.score-dial{width:200px;height:200px;margin:0 auto;position:relative}.dial-track,.dial-value{fill:none;stroke-width:10px}.dial-track{stroke:var(--border)}.dial-value{stroke:var(--accent);stroke-linecap:round;stroke-dasharray:540.35;stroke-dashoffset:540.35px;transform-origin:50%;transition:stroke-dashoffset 1.1s cubic-bezier(.2,.7,.2,1);transform:rotate(-90deg)}.dial-value.fail{stroke:var(--danger)}.dial-center{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.dial-score{letter-spacing:-.03em;font-size:46px;font-weight:800;line-height:1}.dial-label{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-top:8px;font-size:10.5px;font-weight:600}.score-note{font-family:var(--mono);color:var(--text-faint);margin-top:16px;font-size:11.5px}.bar-list{gap:14px;display:grid}.bar-row .bar-head{justify-content:space-between;gap:12px;margin-bottom:6px;font-size:13.5px;font-weight:500;display:flex}.bar-row .bar-head b{font-family:var(--mono);white-space:nowrap;font-size:12px;font-weight:700}.bar-row .bar-track{background:var(--border);border-radius:9999px;height:8px;overflow:hidden}.bar-row .bar-fill{background:var(--accent);border-radius:9999px;height:100%;transition:width .8s cubic-bezier(.2,.7,.2,1)}.bar-row .bar-fill.weak{background:var(--danger)}.results-actions{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.review-nav{flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;display:flex}.review-q{margin-bottom:26px}.review-expl-title{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin:22px 0 8px;font-size:11px;font-weight:600}.review-verdict{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;border-radius:6px;padding:3px 10px;font-size:11px;font-weight:700}.review-verdict.ok{background:var(--accent-soft);color:var(--accent-text)}.review-verdict.bad{background:var(--danger-soft);color:var(--danger-text)}.review-verdict.skipped{background:var(--hover);color:var(--text-faint)}.colophon{border-top:1px solid var(--border);text-align:center;font-family:var(--mono);color:var(--text-faint);padding:22px 24px 30px;font-size:11.5px;transition:border-color .2s}.colophon p{max-width:56em;margin:0 auto;line-height:1.7}@media (max-width:960px){.setup-grid,.results-grid,.quiz-layout{grid-template-columns:1fr}.quiz-side{order:-1;position:static}.nav-grid{grid-template-columns:repeat(10,1fr)}.exam-card{grid-template-columns:1fr}.exam-card-actions{flex-direction:row;grid-area:auto/1;min-width:0}.exam-card-actions .btn{flex:1}}@media (max-width:560px){.masthead-inner,main{padding-left:16px;padding-right:16px}.brand-sub{display:none}.hero{padding:36px 0 24px}.exam-card,.q-card{padding:20px}.exam-card-actions{flex-direction:column}.quiz-actions .btn{flex:45%}.nav-grid{grid-template-columns:repeat(8,1fr)}.score-dial,.score-dial svg{width:170px;height:170px}.history-table{font-size:12.5px}.history-table td,.history-table th{padding:6px 4px}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}