/* We Quiz Maker – Public (Testbook-inspired UI) */
.oqm-quiz {
	position: relative;
	max-width: 860px;
	margin: 0 auto 32px;
	font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;
	--oqm-accent: #0ea5e9;
	--oqm-accent-dark: color-mix(in srgb, var(--oqm-accent) 82%, #000);
	--oqm-exam-header: #0c2340;
	--oqm-exam-header-2: #081a30;
	--oqm-radius: 14px;
	--oqm-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
	line-height: 1.5;
	color: #0f172a;
	box-sizing: border-box;
}
.oqm-quiz *, .oqm-quiz *::before, .oqm-quiz *::after { box-sizing: border-box; }

.oqm-quiz-shell {
	background: #fff;
	border: 1px solid #e2e8f0;
	border-radius: var(--oqm-radius);
	padding: 28px 32px 24px;
	box-shadow: var(--oqm-shadow);
}

.oqm-quiz-topbar {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 20px;
}

.oqm-quiz-title { margin: 0 0 6px; font-size: 1.35rem; font-weight: 700; color: #0f172a; }
.oqm-mode-badge {
	display: inline-block;
	font-size: 11px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: .04em;
	padding: 4px 10px;
	border-radius: 999px;
	background: color-mix(in srgb, var(--oqm-accent) 12%, white);
	color: var(--oqm-accent);
}

.oqm-progress-wrap { margin-bottom: 24px; }
.oqm-progress-track {
	height: 6px;
	background: #e5e7eb;
	border-radius: 999px;
	overflow: hidden;
	margin-bottom: 8px;
}
.oqm-progress-fill {
	height: 100%;
	background: linear-gradient(90deg, var(--oqm-accent), color-mix(in srgb, var(--oqm-accent) 70%, #fff));
	border-radius: 999px;
	transition: width .35s ease;
}
.oqm-q-counter { font-size: 13px; font-weight: 600; color: var(--oqm-accent); }

.oqm-timer-ring { position: relative; width: 52px; height: 52px; flex-shrink: 0; }
.oqm-timer-svg { width: 52px; height: 52px; transform: rotate(-90deg); }
.oqm-timer-bg { fill: none; stroke: #e5e7eb; stroke-width: 3; }
.oqm-timer-progress { fill: none; stroke: var(--oqm-accent); stroke-width: 3; stroke-linecap: round; transition: stroke-dasharray 1s linear; }
.oqm-timer-value-ring {
	position: absolute; inset: 0;
	display: flex; align-items: center; justify-content: center;
	font-size: 12px; font-weight: 700; color: #334155;
}

.oqm-question-card { margin-bottom: 8px; }
.oqm-q-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.oqm-q-badge {
	font-size: 12px; font-weight: 700;
	padding: 4px 10px; border-radius: 8px;
	background: #f1f5f9; color: #475569;
}
.oqm-q-marks { font-size: 12px; color: #94a3b8; font-weight: 600; }

.oqm-question-text {
	margin: 0 0 20px;
	font-size: 1.25rem;
	font-weight: 700;
	line-height: 1.45;
	color: #0f172a;
}

.oqm-answers-grid { display: grid; gap: 12px; }
.oqm-answer-card {
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 14px;
	padding: 18px 20px;
	border: 2px solid #e2e8f0;
	border-radius: 12px;
	cursor: pointer;
	transition: border-color .2s, background .2s, box-shadow .2s, transform .15s;
	background: #fff;
}
.oqm-answer-card:hover {
	border-color: color-mix(in srgb, var(--oqm-accent) 45%, #e2e8f0);
	box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
	transform: translateY(-1px);
}
.oqm-answer-card input { position: absolute; opacity: 0; pointer-events: none; width: 0; height: 0; }
.oqm-answer-card:has(input:checked) {
	border-color: var(--oqm-accent);
	background: color-mix(in srgb, var(--oqm-accent) 8%, white);
}
.oqm-answer-letter {
	width: 36px; height: 36px;
	display: flex; align-items: center; justify-content: center;
	border-radius: 10px;
	background: #f8fafc;
	font-weight: 700; color: #475569; font-size: 14px;
}
.oqm-answer-card:has(input:checked) .oqm-answer-letter {
	background: var(--oqm-accent); color: #fff;
}
.oqm-answer-text { font-size: 15px; font-weight: 500; color: #1e293b; text-align: left; }
.oqm-answer-check {
	width: 22px; height: 22px; border-radius: 50%;
	border: 2px solid #cbd5e1;
	position: relative;
}
.oqm-answer-card:has(input:checked) .oqm-answer-check {
	border-color: var(--oqm-accent);
	background: var(--oqm-accent);
}
.oqm-answer-card:has(input:checked) .oqm-answer-check::after {
	content: '';
	position: absolute; left: 6px; top: 2px;
	width: 6px; height: 11px;
	border: solid #fff; border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

.oqm-quiz-footer {
	display: flex; gap: 12px; justify-content: space-between;
	margin-top: 28px; padding-top: 20px; border-top: 1px solid #f1f5f9;
}
.oqm-btn-primary, .oqm-submit-btn {
	background: var(--oqm-accent); color: #fff; border: none;
	border-radius: 12px; padding: 14px 28px; font-size: 15px; font-weight: 600;
	cursor: pointer; text-decoration: none; display: inline-block;
}
.oqm-btn-primary:hover, .oqm-submit-btn:hover { opacity: .92; }
.oqm-btn-ghost {
	background: #fff; color: #334155; border: 2px solid #e2e8f0;
	border-radius: 12px; padding: 12px 22px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.oqm-btn-ghost:disabled { opacity: .45; cursor: not-allowed; }

.oqm-hidden { display: none !important; }
.oqm-message { margin-top: 12px; font-size: 14px; color: #dc2626; }
.oqm-quiz-blocked { padding: 24px; text-align: center; }

.oqm-result-loader {
	position: absolute;
	inset: 0;
	z-index: 40;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 24px;
	background: rgba(255, 255, 255, 0.88);
	backdrop-filter: blur(2px);
	border-radius: inherit;
}
.oqm-result-loader__inner {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	text-align: center;
}
.oqm-result-loader__gif {
	display: block;
	width: 72px;
	height: 72px;
	object-fit: contain;
}
.oqm-result-loader__spinner {
	display: block;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	border: 5px solid rgba(51, 65, 85, 0.18);
	border-top-color: var(--oqm-accent, #4f46e5);
	animation: oqm-loader-spin 0.8s linear infinite;
}
@keyframes oqm-loader-spin {
	to { transform: rotate(360deg); }
}
.oqm-result-loader__text {
	margin: 0;
	font-size: 14px;
	font-weight: 600;
	color: #334155;
}

.oqm-results-panel {
	margin-top: 24px; padding: 24px;
	background: linear-gradient(135deg, #fafafa, #fff);
	border-radius: var(--oqm-radius);
	border: 1px solid #e5e7eb;
}
.oqm-score-display { font-size: 28px; font-weight: 800; color: var(--oqm-accent); margin-bottom: 12px; }
.oqm-pass { color: #059669; }
.oqm-fail { color: #dc2626; }
.oqm-review-item { margin-bottom: 10px; padding: 12px; border-radius: 10px; font-size: 14px; }
.oqm-review-item.is-correct { background: #ecfdf5; border-left: 4px solid #059669; }
.oqm-review-item.is-wrong { background: #fef2f2; border-left: 4px solid #dc2626; }

.oqm-question-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.oqm-nav-dot {
	width: 32px; height: 32px; border-radius: 8px; border: 1px solid #e2e8f0;
	background: #fff; font-size: 12px; font-weight: 600; cursor: pointer; color: #64748b;
}
.oqm-nav-dot.active { background: var(--oqm-accent); color: #fff; border-color: var(--oqm-accent); }

.oqm-branding { margin: 16px 0 0; text-align: center; font-size: 11px; }
.oqm-branding a { color: #94a3b8; text-decoration: none; }

.oqm-quiz-results {
	max-width: 720px; margin: 0 auto 24px;
	background: #fff; border: 1px solid #e5e7eb; border-radius: var(--oqm-radius); padding: 24px;
}
.oqm-quiz-results-title { margin: 0 0 20px; font-size: 1.25rem; font-weight: 600; }
.oqm-results-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 20px; }
.oqm-results-stats .oqm-stat { text-align: center; padding: 14px; background: #f9fafb; border-radius: 10px; }
.oqm-results-stats .oqm-stat-value { display: block; font-size: 22px; font-weight: 700; color: var(--oqm-accent); }
.oqm-results-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.oqm-results-table th, .oqm-results-table td { padding: 10px 12px; border-bottom: 1px solid #f3f4f6; }
.oqm-leaderboard { list-style: none; margin: 0; padding: 0; }
.oqm-leaderboard li { display: flex; justify-content: space-between; padding: 12px 14px; border: 1px solid #e5e7eb; border-radius: 10px; margin-bottom: 8px; }

@media (max-width: 600px) {
	.oqm-quiz-shell { padding: 20px 16px; }
	.oqm-question-text { font-size: 1.1rem; }
	.oqm-quiz-footer { flex-direction: column; }
	.oqm-btn-primary, .oqm-btn-ghost, .oqm-submit-btn { width: 100%; text-align: center; }
}

/* ═══ Exam layout (Testbook Online Test) ═══ */
.oqm-layout-exam {
	max-width: none;
	width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	min-height: 100vh;
	background: #eef2f7;
	font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}
.oqm-exam-blocked { min-height: 60vh; display: flex; align-items: center; justify-content: center; background: #eef2f7; }
.oqm-exam-blocked-inner { text-align: center; padding: 48px; background: #fff; border-radius: 16px; box-shadow: var(--oqm-shadow); max-width: 420px; }

.oqm-exam-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 14px 28px;
	background: linear-gradient(180deg, var(--oqm-exam-header) 0%, var(--oqm-exam-header-2) 100%);
	color: #fff;
	flex-wrap: wrap;
	box-shadow: 0 4px 16px rgba(8, 26, 48, 0.25);
	position: sticky;
	top: 0;
	z-index: 100;
}
.oqm-exam-header--slim {
	background: linear-gradient(180deg, var(--oqm-exam-header) 0%, var(--oqm-exam-header-2) 100%);
	border-bottom: none;
}
.oqm-exam-brand { display: flex; align-items: center; gap: 14px; min-width: 0; flex: 1; }
.oqm-exam-logo {
	font-weight: 800;
	font-size: 13px;
	letter-spacing: .03em;
	text-transform: uppercase;
	background: var(--oqm-accent);
	color: #fff;
	padding: 7px 14px;
	border-radius: 6px;
	white-space: nowrap;
	box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
.oqm-exam-title, .oqm-exam-header-title {
	margin: 0;
	font-size: 15px;
	font-weight: 600;
	color: #f1f5f9;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.oqm-exam-timer { text-align: center; flex-shrink: 0; }
.oqm-exam-timer-label {
	display: block;
	font-size: 10px;
	color: #94a3b8;
	text-transform: uppercase;
	letter-spacing: .08em;
	margin-bottom: 6px;
	font-weight: 600;
}
.oqm-exam-timer-digits {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	font-variant-numeric: tabular-nums;
}
.oqm-timer-unit { display: inline-flex; gap: 3px; }
.oqm-timer-d {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 26px;
	height: 32px;
	padding: 0 4px;
	background: #fff;
	color: #0f172a;
	border-radius: 5px;
	font-size: 18px;
	font-weight: 800;
	box-shadow: 0 2px 4px rgba(0,0,0,.12);
}
.oqm-timer-sep { color: #cbd5e1; font-size: 18px; font-weight: 700; padding: 0 2px; }
.oqm-timer-warning .oqm-timer-d { background: #fef3c7; color: #92400e; }
.oqm-timer-critical .oqm-timer-d { background: #fee2e2; color: #991b1b; animation: oqm-pulse 1s infinite; }
@keyframes oqm-pulse { 50% { opacity: .75; } }

.oqm-exam-header-actions { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
.oqm-btn-exam-primary {
	background: var(--oqm-accent);
	color: #fff;
	border: none;
	border-radius: 8px;
	padding: 11px 22px;
	font-weight: 700;
	cursor: pointer;
	font-size: 14px;
	box-shadow: 0 4px 14px color-mix(in srgb, var(--oqm-accent) 40%, transparent);
	transition: transform .15s, box-shadow .15s;
}
.oqm-btn-exam-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--oqm-accent) 50%, transparent); }
.oqm-btn-exam-outline {
	background: transparent;
	color: #fff;
	border: 2px solid rgba(255,255,255,.45);
	border-radius: 8px;
	padding: 9px 18px;
	font-weight: 600;
	cursor: pointer;
	font-size: 13px;
	transition: background .15s, border-color .15s;
}
.oqm-btn-exam-outline:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); }
.oqm-btn-exam-light {
	background: #e0f2fe;
	color: #0369a1;
	border: none;
	border-radius: 8px;
	padding: 11px 18px;
	font-weight: 600;
	cursor: pointer;
	font-size: 13px;
	transition: background .15s;
}
.oqm-btn-exam-light:hover { background: #bae6fd; }

.oqm-exam-sections {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 28px;
	background: #fff;
	border-bottom: 1px solid #e2e8f0;
	overflow-x: auto;
	box-shadow: 0 1px 0 #f1f5f9;
}
.oqm-sections-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: #64748b; margin-right: 4px; white-space: nowrap; }
.oqm-section-tab {
	border: 1px solid #e2e8f0;
	background: #f8fafc;
	color: #475569;
	padding: 10px 20px;
	border-radius: 999px;
	font-weight: 600;
	font-size: 13px;
	cursor: pointer;
	white-space: nowrap;
	transition: all .15s;
}
.oqm-section-tab:hover { border-color: var(--oqm-accent); color: var(--oqm-accent); }
.oqm-section-tab.active { background: var(--oqm-accent); color: #fff; border-color: var(--oqm-accent); box-shadow: 0 4px 12px color-mix(in srgb, var(--oqm-accent) 35%, transparent); }

.oqm-exam-body {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 300px;
	min-height: calc(100vh - 120px);
	background: #eef2f7;
}
.oqm-exam-main {
	padding: 28px 36px 36px;
	background: #fff;
	border-right: 1px solid #e2e8f0;
	min-height: 100%;
}
.oqm-exam-q-toolbar {
	display: flex;
	align-items: center;
	gap: 14px;
	margin-bottom: 20px;
	flex-wrap: wrap;
	padding-bottom: 14px;
	border-bottom: 1px solid #f1f5f9;
}
.oqm-exam-q-num { font-weight: 800; color: #0f172a; font-size: 15px; }
.oqm-exam-marking { display: flex; gap: 8px; }
.oqm-mark-plus { background: #dcfce7; color: #166534; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 800; }
.oqm-mark-minus { background: #fee2e2; color: #991b1b; padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 800; }
.oqm-exam-q-timer { margin-left: auto; font-size: 13px; color: #64748b; font-variant-numeric: tabular-nums; font-weight: 600; }
.oqm-exam-q-text {
	font-size: 1.15rem;
	line-height: 1.65;
	color: #0f172a;
	margin-bottom: 28px;
	font-weight: 500;
}
.oqm-exam-options { display: grid; gap: 12px; }
.oqm-exam-option {
	display: flex;
	align-items: center;
	gap: 16px;
	padding: 16px 18px;
	border: 2px solid #e2e8f0;
	border-radius: 10px;
	cursor: pointer;
	transition: border-color .15s, background .15s, box-shadow .15s;
	background: #fafbfc;
	position: relative;
}
.oqm-exam-option input {
	position: absolute;
	opacity: 0;
	width: 0;
	height: 0;
	pointer-events: none;
}
.oqm-exam-option:hover {
	border-color: color-mix(in srgb, var(--oqm-accent) 50%, #e2e8f0);
	background: #fff;
	box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}
.oqm-exam-option:has(input:checked) {
	border-color: var(--oqm-accent);
	background: color-mix(in srgb, var(--oqm-accent) 7%, white);
	box-shadow: 0 0 0 1px var(--oqm-accent);
}
.oqm-exam-option-num {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: #e2e8f0;
	color: #475569;
	font-weight: 800;
	font-size: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: background .15s, color .15s;
}
.oqm-exam-option:has(input:checked) .oqm-exam-option-num {
	background: var(--oqm-accent);
	color: #fff;
}
.oqm-exam-option-text { flex: 1; color: #1e293b; font-size: 15px; font-weight: 500; line-height: 1.45; }

.oqm-exam-actions {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: 32px;
	padding-top: 24px;
	border-top: 2px solid #f1f5f9;
	flex-wrap: wrap;
	gap: 14px;
}
.oqm-exam-actions-left { display: flex; gap: 10px; flex-wrap: wrap; }

.oqm-exam-sidebar {
	padding: 22px 18px;
	background: #f8fafc;
	display: flex;
	flex-direction: column;
	border-left: 1px solid #e2e8f0;
}
.oqm-exam-user-mini {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 18px;
	font-weight: 700;
	font-size: 14px;
	padding: 12px;
	background: #fff;
	border-radius: 10px;
	border: 1px solid #e2e8f0;
}
.oqm-exam-user-avatar {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--oqm-accent), var(--oqm-accent-dark));
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 800;
	font-size: 18px;
	flex-shrink: 0;
}
.oqm-exam-user-avatar--sm { width: 40px; height: 40px; font-size: 15px; }
.oqm-palette-legend {
	display: grid;
	gap: 8px;
	font-size: 11px;
	color: #64748b;
	margin-bottom: 18px;
	padding: 12px;
	background: #fff;
	border-radius: 10px;
	border: 1px solid #e2e8f0;
}
.oqm-palette-legend span { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.oqm-status { width: 16px; height: 16px; border-radius: 4px; display: inline-block; flex-shrink: 0; }
.oqm-status--answered { background: #22c55e; }
.oqm-status--marked { background: #a855f7; }
.oqm-status--not-visited { background: #fff; border: 2px solid #94a3b8; }
.oqm-status--marked-answered { background: linear-gradient(135deg, #a855f7 50%, #22c55e 50%); }
.oqm-status--not-answered { background: #ef4444; }
.oqm-palette-heading { font-size: 12px; font-weight: 800; text-transform: uppercase; color: #475569; margin: 0 0 12px; letter-spacing: .04em; }
.oqm-palette-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; flex: 1; align-content: start; }
.oqm-palette-btn {
	width: 100%;
	aspect-ratio: 1;
	border: none;
	border-radius: 8px;
	font-weight: 800;
	font-size: 13px;
	cursor: pointer;
	color: #334155;
	background: #fff;
	border: 2px solid #cbd5e1;
	transition: transform .1s, box-shadow .1s;
}
.oqm-palette-btn:hover { transform: scale(1.06); box-shadow: 0 4px 10px rgba(0,0,0,.1); }
.oqm-palette-btn.oqm-status--answered { background: #22c55e; color: #fff; border-color: #16a34a; }
.oqm-palette-btn.oqm-status--marked { background: #a855f7; color: #fff; border-color: #9333ea; }
.oqm-palette-btn.oqm-status--not-answered { background: #ef4444; color: #fff; border-color: #dc2626; }
.oqm-palette-btn.oqm-status--marked-answered { background: #a855f7; color: #fff; border-color: #9333ea; box-shadow: inset 0 0 0 3px #22c55e; }
.oqm-palette-btn.is-current { outline: 3px solid #0f172a; outline-offset: 2px; z-index: 1; }
.oqm-sidebar-footer { margin-top: 18px; }
.oqm-sidebar-submit { width: 100%; text-align: center; background: #fff !important; color: var(--oqm-accent) !important; border: 2px solid var(--oqm-accent) !important; font-weight: 700 !important; }

.oqm-exam-instructions { background: #eef2f7; min-height: calc(100vh - 60px); display: flex; flex-direction: column; }
.oqm-exam-instructions-body {
	display: grid;
	grid-template-columns: 1fr 260px;
	gap: 0;
	flex: 1;
	padding: 36px 48px;
	max-width: 1100px;
	margin: 0 auto;
	width: 100%;
}
.oqm-exam-instructions-main {
	background: #fff;
	border-radius: 16px;
	padding: 36px 40px;
	box-shadow: var(--oqm-shadow);
}
.oqm-exam-instructions-main h1 { margin: 0 0 20px; font-size: 1.85rem; font-weight: 800; color: #0f172a; }
.oqm-exam-instructions-main h2 { font-size: 1.05rem; margin: 28px 0 14px; font-weight: 700; color: #334155; }
.oqm-exam-meta-row {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	color: #64748b;
	font-weight: 700;
	margin-bottom: 12px;
	padding: 14px 18px;
	background: #f8fafc;
	border-radius: 10px;
	font-size: 14px;
}
.oqm-instructions-list { padding-left: 22px; line-height: 1.8; color: #334155; margin: 0; }
.oqm-instructions-list li { margin-bottom: 8px; }
.oqm-declaration {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	margin-top: 28px;
	font-weight: 600;
	padding: 16px;
	background: #f0f9ff;
	border-radius: 10px;
	border: 1px solid #bae6fd;
	cursor: pointer;
}
.oqm-exam-user-card {
	background: #fff;
	border-radius: 16px;
	padding: 28px 24px;
	text-align: center;
	align-self: start;
	box-shadow: var(--oqm-shadow);
	border: 1px solid #e2e8f0;
}
.oqm-exam-instructions-footer {
	padding: 20px 48px;
	background: #fff;
	border-top: 1px solid #e2e8f0;
	text-align: center;
}
.oqm-begin-btn:disabled { opacity: .4; cursor: not-allowed; }

/* ═══ Modals & Results ═══ */
.oqm-modal { position: fixed; inset: 0; z-index: 99999; display: flex; align-items: center; justify-content: center; padding: 20px; }
.oqm-modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,.55); }
.oqm-modal-panel { position: relative; background: #fff; border-radius: 12px; padding: 28px 32px; max-width: 520px; width: 100%; box-shadow: 0 24px 60px rgba(0,0,0,.2); }
.oqm-modal-panel--sm { max-width: 420px; text-align: center; }
.oqm-modal-panel h3 { margin: 0 0 20px; font-size: 1.25rem; }
.oqm-modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }
.oqm-submit-summary { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
.oqm-submit-summary th { background: var(--oqm-accent); color: #fff; padding: 10px 14px; text-align: left; }
.oqm-submit-summary td { padding: 10px 14px; border-bottom: 1px solid #f1f5f9; }
.oqm-results-hero { background: var(--oqm-accent); color: #fff; padding: 20px 28px; border-radius: 12px 12px 0 0; font-size: 1.15rem; font-weight: 600; text-align: center; }
.oqm-results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: #fff; border: 1px solid #e2e8f0; border-radius: 0 0 12px 12px; overflow: hidden; }
.oqm-results-stat-col { padding: 28px; border-right: 1px solid #f1f5f9; }
.oqm-results-score-big { font-size: 48px; font-weight: 800; color: #0f172a; line-height: 1; }
.oqm-results-score-big span { font-size: 24px; color: #94a3b8; font-weight: 600; }
.oqm-results-mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; }
.oqm-results-mini-stats div { text-align: center; }
.oqm-results-mini-stats strong { display: block; font-size: 22px; }
.oqm-results-mini-stats span { font-size: 11px; color: #64748b; text-transform: uppercase; }
.oqm-results-answers-col { padding: 28px; }
.oqm-results-answers-col h4 { margin: 0 0 16px; }
.oqm-answer-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 0; }
.oqm-answer-review-actions {
	display: flex;
	justify-content: center;
	margin: 18px 0 16px;
}
.oqm-results-answers-col .oqm-btn-view-solution {
	width: 100%;
	max-width: 280px;
	margin: 0;
}
.oqm-answer-dot { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; color: #fff; }
.oqm-grid-correct { background: #22c55e; }
.oqm-grid-wrong { background: #ef4444; }
.oqm-grid-skipped { background: #94a3b8; }
.oqm-solution-item { padding: 12px; border-radius: 8px; margin-bottom: 8px; font-size: 14px; }
.oqm-solution-item.is-correct { background: #ecfdf5; }
.oqm-solution-item.is-wrong { background: #fef2f2; }
.oqm-exam-results, .oqm-practice-results {
	max-width: 900px;
	margin: 32px auto;
	padding: 0 24px;
}
.oqm-branding--exam { text-align: center; padding: 16px; color: #94a3b8; background: #eef2f7; }

.oqm-submit-by-section th, .oqm-submit-by-section td { font-size: 13px; }

/* Solution modal */
.oqm-solution-modal { position: fixed; inset: 0; z-index: 100000; display: flex; align-items: center; justify-content: center; padding: 24px; }
.oqm-solution-modal .oqm-modal-backdrop { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.55); }
.oqm-solution-panel { position: relative; z-index: 1; background: #fff; border-radius: 16px; width: min(720px, 100%); max-height: 90vh; overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.25); display: flex; flex-direction: column; }
.oqm-solution-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; border-bottom: 1px solid #e2e8f0; }
.oqm-solution-header h3 { margin: 0; font-size: 1.2rem; }
.oqm-solution-close-btn { background: none; border: none; font-size: 28px; cursor: pointer; color: #64748b; line-height: 1; }
.oqm-solution-body { padding: 24px 28px; overflow-y: auto; flex: 1; }
.oqm-solution-q-num { display: inline-flex; width: 32px; height: 32px; border-radius: 50%; align-items: center; justify-content: center; font-weight: 700; color: #fff; margin-right: 10px; vertical-align: top; }
.oqm-sol-correct .oqm-solution-q-num { background: #22c55e; }
.oqm-sol-wrong .oqm-solution-q-num { background: #ef4444; }
.oqm-sol-skipped .oqm-solution-q-num { background: #94a3b8; }
.oqm-solution-q-text { font-size: 1.1rem; font-weight: 600; line-height: 1.5; margin: 0 0 20px; display: block; }
.oqm-solution-options { display: grid; gap: 10px; margin-bottom: 20px; }
.oqm-solution-opt { display: flex; align-items: center; gap: 12px; padding: 14px 16px; padding-right: 120px; border: 2px solid #e2e8f0; border-radius: 10px; position: relative; }
.oqm-solution-opt.is-correct { border-color: #22c55e; background: #f0fdf4; }
.oqm-solution-opt.is-wrong { border-color: #ef4444; background: #fef2f2; }
.oqm-solution-opt-num { width: 28px; height: 28px; border-radius: 50%; background: #f1f5f9; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.oqm-sol-tag { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 11px; font-weight: 700; color: #166534; background: #dcfce7; padding: 3px 8px; border-radius: 6px; }
.oqm-sol-tag-wrong { color: #991b1b; background: #fee2e2; }
.oqm-solution-explain { padding: 16px; background: #f8fafc; border-radius: 10px; font-size: 14px; line-height: 1.6; border-left: 4px solid var(--oqm-accent); }
.oqm-solution-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 64px; border: none; background: rgba(15,23,42,.08); font-size: 28px; cursor: pointer; color: #334155; border-radius: 8px; z-index: 2; }
.oqm-solution-nav:disabled { opacity: 0.35; cursor: default; }
.oqm-solution-prev { left: -56px; }
.oqm-solution-next { right: -56px; }
.oqm-solution-footer { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; padding: 14px 20px; background: #1e293b; }
.oqm-sol-footer-dot { width: 34px; height: 34px; border-radius: 50%; border: none; font-weight: 700; font-size: 12px; cursor: pointer; color: #fff; }
.oqm-sol-dot-correct { background: #22c55e; }
.oqm-sol-dot-wrong { background: #ef4444; }
.oqm-sol-dot-skipped { background: #64748b; }
.oqm-sol-footer-dot.active { outline: 3px solid #fff; outline-offset: 2px; }
.oqm-grid-jump { border: none; cursor: pointer; }
.oqm-grid-jump:hover { transform: scale(1.08); }

.oqm-dropdown-wrap { margin-top: 12px; }
.oqm-dropdown-select { width: 100%; max-width: 400px; padding: 12px 14px; border: 2px solid #e2e8f0; border-radius: 10px; font-size: 15px; }
.oqm-text-answer-wrap { margin-top: 12px; }
.oqm-text-answer { padding: 14px 16px; border: 2px solid #e2e8f0; border-radius: 10px; font-size: 15px; }
.oqm-info-banner { display: flex; gap: 16px; padding: 24px; background: linear-gradient(135deg, #e0f2fe, #f0f9ff); border-radius: 12px; border-left: 4px solid var(--oqm-accent); }
.oqm-info-icon { font-size: 28px; color: var(--oqm-accent); }
.oqm-info-content { flex: 1; line-height: 1.6; }
.oqm-answer-card input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }

@media (max-width: 900px) {
	.oqm-exam-body { grid-template-columns: 1fr; min-height: auto; }
	.oqm-exam-sidebar { order: -1; border-left: none; border-bottom: 1px solid #e2e8f0; padding: 16px; }
	.oqm-palette-grid { grid-template-columns: repeat(8, 1fr); }
	.oqm-exam-instructions-body { grid-template-columns: 1fr; padding: 20px 16px; }
	.oqm-exam-instructions-main { padding: 24px 20px; }
	.oqm-exam-user-card { margin-top: 16px; }
	.oqm-exam-main { padding: 20px 18px; }
	.oqm-exam-header { padding: 12px 16px; }
	.oqm-exam-header-actions { width: 100%; justify-content: flex-end; }
	.oqm-results-grid { grid-template-columns: 1fr; }
	.oqm-results-stat-col { border-right: none; border-bottom: 1px solid #f1f5f9; }
	.oqm-solution-prev { left: 8px; }
	.oqm-solution-next { right: 8px; }
	.oqm-layout-exam, .oqm-layout-practice { width: 100%; margin-left: 0; margin-right: 0; }
}

/* ═══ Quiz intro screen ═══ */
.oqm-quiz-intro { background: #eef2f7; min-height: 60vh; }
.oqm-quiz-intro--practice { padding: 40px 24px; min-height: 70vh; display: flex; align-items: flex-start; justify-content: center; }
.oqm-quiz-intro--classic { padding: 32px 0; }
.oqm-intro-inner {
	background: #fff;
	border-radius: 16px;
	box-shadow: var(--oqm-shadow);
	padding: 36px 40px;
	max-width: 720px;
	width: 100%;
	margin: 0 auto;
}
.oqm-intro-title { margin: 0 0 12px; font-size: 1.75rem; font-weight: 800; color: #0f172a; }
.oqm-intro-mode-badge {
	display: inline-block;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .04em;
	padding: 5px 12px;
	border-radius: 999px;
	background: color-mix(in srgb, var(--oqm-accent) 12%, white);
	color: var(--oqm-accent);
	margin-bottom: 16px;
}
.oqm-intro-description { color: #475569; line-height: 1.7; margin-bottom: 24px; font-size: 15px; }
.oqm-intro-description--empty { font-style: italic; color: #94a3b8; }
.oqm-intro-meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 20px; }
.oqm-intro-meta-card {
	background: #f8fafc;
	border: 1px solid #e2e8f0;
	border-radius: 12px;
	padding: 16px;
	text-align: center;
}
.oqm-intro-meta-value { display: block; font-size: 1.35rem; font-weight: 800; color: #0f172a; }
.oqm-intro-meta-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: #64748b; letter-spacing: .04em; }
.oqm-intro-note { font-size: 14px; color: #64748b; margin-bottom: 16px; }
.oqm-intro-user-row { display: flex; align-items: center; gap: 12px; margin: 20px 0; font-weight: 600; }
.oqm-intro-user-avatar {
	width: 44px; height: 44px; border-radius: 50%;
	background: linear-gradient(135deg, var(--oqm-accent), var(--oqm-accent-dark));
	color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.oqm-intro-actions { margin-top: 24px; }
.oqm-intro-actions .oqm-btn-primary, .oqm-intro-footer .oqm-start-quiz-btn { font-size: 16px; padding: 14px 36px; }
.oqm-intro-details { margin: 16px 0; }
.oqm-intro-details summary { cursor: pointer; font-weight: 600; color: var(--oqm-accent); }
.oqm-intro-instructions-detail { margin-top: 12px; padding: 16px; background: #f8fafc; border-radius: 10px; font-size: 14px; line-height: 1.7; }

/* ═══ Testbook-style results ═══ */
.oqm-results-card {
	background: #fff;
	border-radius: 16px;
	box-shadow: var(--oqm-shadow);
	overflow: hidden;
	border: 1px solid #e2e8f0;
}
.oqm-results-banner {
	background: linear-gradient(90deg, #06b6d4, #0ea5e9);
	color: #fff;
	padding: 22px 28px;
	text-align: center;
}
.oqm-results-banner strong { display: block; font-size: 1.25rem; margin-bottom: 4px; }
.oqm-results-banner span { font-size: 14px; opacity: .95; }
.oqm-results-rank-wrap { text-align: center; margin-bottom: 20px; }
.oqm-trophy { font-size: 36px; display: block; margin-bottom: 8px; }
.oqm-rank-label { font-size: 11px; font-weight: 700; text-transform: uppercase; color: #64748b; letter-spacing: .06em; }
.oqm-rank-value { font-size: 2rem; font-weight: 800; color: #0f172a; }
.oqm-rank-value span { font-size: 1.1rem; color: #94a3b8; font-weight: 600; }
.oqm-results-score-row { text-align: center; margin: 16px 0; font-size: 15px; color: #475569; }
.oqm-results-score-row strong { display: block; font-size: 1.1rem; color: #0f172a; margin-top: 4px; }
.oqm-reattempt-box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 16px;
	border: 2px solid #bae6fd;
	border-radius: 12px;
	margin-top: 20px;
	background: #f0f9ff;
	flex-wrap: wrap;
}
.oqm-reattempt-box p { margin: 0; font-weight: 600; color: #0369a1; font-size: 14px; }
.oqm-certificate-btn { width: 100%; margin-top: 12px; text-align: center; }
.oqm-btn-view-solution {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: auto;
	min-width: 180px;
	padding: 12px 20px;
	border: 2px solid #0f172a;
	background: #fff;
	border-radius: 10px;
	font-weight: 700;
	font-size: 15px;
	cursor: pointer;
	margin: 0 0 16px;
	transition: background .15s, color .15s, border-color .15s, transform .15s;
}
.oqm-btn-view-solution:hover { background: #f8fafc; }
.oqm-layout-theme .oqm-btn-view-solution {
	width: auto;
	min-width: 0;
	margin: 4px 0 8px;
	border-width: 1.5px;
	border-color: var(--nv-btn-secondary-border, var(--nv-card-border, #cbd5e1));
	background: var(--nv-btn-secondary-bg, #fff);
	color: var(--nv-text, #0f172a);
	border-radius: var(--nv-radius-md, 12px);
	font-family: inherit;
	box-shadow: none;
}
.oqm-layout-theme .oqm-btn-view-solution:hover {
	background: var(--nv-btn-secondary-hover, #f8fafc);
	transform: translateY(-1px);
}
.oqm-pro-hint { font-size: 13px; color: #64748b; margin: 12px 0; }
.oqm-pro-hint a { color: var(--oqm-accent); font-weight: 600; }
.oqm-share-block { margin-top: 20px; padding-top: 16px; border-top: 1px solid #f1f5f9; }
.oqm-share-block p { font-weight: 600; margin: 0 0 12px; font-size: 14px; }
.oqm-share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.oqm-share-btn {
	width: 42px; height: 42px; border-radius: 50%;
	display: inline-flex; align-items: center; justify-content: center;
	font-weight: 800; font-size: 14px; text-decoration: none;
	border: none; cursor: pointer; color: #fff;
}
.oqm-share-fb { background: #1877f2; }
.oqm-share-wa { background: #25d366; }
.oqm-share-tw { background: #0f172a; }
.oqm-share-copy { background: #64748b; }

.oqm-recaptcha-wrap { display: flex; justify-content: center; margin: 16px auto; max-width: 304px; }

.oqm-answer-option-image {
	width: 48px;
	height: 48px;
	object-fit: cover;
	border-radius: 8px;
	flex-shrink: 0;
}