.doit-quiz-study {
	--doit-primary: #2563eb;
	--doit-primary-dark: #1d4ed8;
	--doit-text: #172033;
	--doit-muted: #64748b;
	--doit-border: #dbe3ef;
	--doit-soft: #f7f9fc;
	--doit-correct: #15803d;
	--doit-correct-bg: #ecfdf3;
	--doit-wrong: #c62828;
	--doit-wrong-bg: #fff1f1;
	max-width: 1400px;
	margin: 32px auto;
	color: var(--doit-text);
	font-size: 16px;
	line-height: 1.65;
}

.doit-quiz-study * { box-sizing: border-box; }

.doit-quiz-timer {
	position: fixed;
	top: auto;
	bottom: 22px;
	right: 22px;
	z-index: 999;
	display: flex;
	align-items: center;
	gap: 10px;
	min-width: 205px;
	padding: 11px 14px;
	border: 1px solid #cfd9e8;
	border-radius: 12px;
	background: repeating-linear-gradient(-45deg, #fff, #fff 4px, #f7f9fc 4px, #f7f9fc 8px);
	box-shadow: 0 8px 24px rgba(15, 23, 42, .14);
}

.doit-quiz-timer__icon {
	color: var(--doit-primary);
	font-size: 34px;
	line-height: 1;
}

.doit-quiz-timer__text { display: grid; font-size: 14px; line-height: 1.45; }
.doit-quiz-timer__text strong { color: var(--doit-text); }
.doit-quiz-timer__text span { color: #e11d48; font-weight: 700; }
.doit-quiz-timer.is-warning { border-color: #f59e0b; }
.doit-quiz-timer.is-expired { border-color: var(--doit-wrong); background: var(--doit-wrong-bg); }

.doit-quiz-study__header {
	padding: 28px;
	margin-bottom: 22px;
	border: 1px solid var(--doit-border);
	border-radius: 18px;
	background: #fff;
	box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
}

.doit-quiz-study__eyebrow {
	margin: 0 0 6px;
	color: var(--doit-primary);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .04em;
}

.doit-quiz-study h2 { margin: 0 0 18px; font-size: clamp(24px, 4vw, 34px); }

.doit-quiz-study__summary,
.doit-quiz-study__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.doit-quiz-study__summary { margin-bottom: 18px; }
.doit-quiz-study__summary span {
	padding: 7px 12px;
	border-radius: 999px;
	background: var(--doit-soft);
	color: var(--doit-muted);
}
.doit-quiz-study__summary .doit-summary-wrong strong { color: var(--doit-wrong); }

.doit-quiz-study__questions {
	position: relative;
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	align-items: start;
	gap: 24px 52px;
}

.doit-quiz-study__questions::before {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 50%;
	width: 1px;
	background: var(--doit-border);
	content: "";
	transform: translateX(-50%);
	pointer-events: none;
}

.doit-question {
	min-width: 0;
	overflow: hidden;
	padding: 26px;
	margin-bottom: 0;
	border: 1px solid var(--doit-border);
	border-radius: 16px;
	background: #fff;
	box-shadow: 0 4px 16px rgba(15, 23, 42, .04);
}

.doit-question__heading { display: flex; align-items: flex-start; gap: 14px; min-width: 0; }
.doit-question__number {
	display: inline-grid;
	place-items: center;
	flex: 0 0 38px;
	height: 38px;
	border-radius: 12px;
	background: var(--doit-primary);
	color: #fff;
	font-weight: 800;
}

.doit-question__text {
	min-width: 0;
	max-width: 100%;
	flex: 1;
	overflow-wrap: anywhere;
	word-break: break-word;
	font-size: 18px;
	font-weight: 700;
}
.doit-question__text * { max-width: 100%; overflow-wrap: anywhere; word-break: break-word; }
.doit-question__text pre { white-space: pre-wrap; }
.doit-question__bullet-break { display: block; content: ""; margin-top: 7px; }
.doit-question__text > .doit-question__bullet-break:first-child { margin-top: 0; }
.doit-question__text > :first-child { margin-top: 3px; }
.doit-question__text > :last-child { margin-bottom: 0; }

.doit-question__answers {
	display: grid;
	gap: 10px;
	padding: 0;
	margin: 20px 0;
	border: 0;
}

.doit-answer {
	display: flex;
	align-items: flex-start;
	gap: 11px;
	padding: 13px 14px;
	border: 1px solid var(--doit-border);
	border-radius: 12px;
	background: #fff;
	cursor: pointer;
	transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.doit-answer:hover { border-color: #93b4f5; transform: translateY(-1px); }
.doit-answer input { margin-top: 6px; accent-color: var(--doit-primary); }
.doit-answer__marker { color: var(--doit-muted); font-weight: 800; }
.doit-answer__text { min-width: 0; flex: 1; overflow-wrap: anywhere; word-break: break-word; }
.doit-answer__text > :first-child { margin-top: 0; }
.doit-answer__text > :last-child { margin-bottom: 0; }

.doit-answer.is-correct-answer { border-color: #66c58a; background: var(--doit-correct-bg); }
.doit-answer.is-wrong-answer { border-color: #ef9292; background: var(--doit-wrong-bg); }

.doit-question__footer { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.doit-question__result { font-weight: 800; }
.doit-question.is-correct .doit-question__result { color: var(--doit-correct); }
.doit-question.is-incorrect .doit-question__result { color: var(--doit-wrong); }

.doit-question__explanation {
	padding: 18px;
	margin-top: 18px;
	border-left: 4px solid var(--doit-primary);
	border-radius: 0 12px 12px 0;
	background: #f1f6ff;
}
.doit-question__explanation::before { content: "해설"; display: block; margin-bottom: 8px; color: var(--doit-primary-dark); font-weight: 800; }
.doit-question__explanation > :first-child { margin-top: 0; }
.doit-question__explanation > :last-child { margin-bottom: 0; }

.doit-question__explanation-content.is-editing {
	min-height: 110px;
	padding: 12px;
	border: 2px solid var(--doit-primary);
	border-radius: 9px;
	background: #fff;
	outline: 0;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}

.doit-question__explanation-admin {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	padding-top: 14px;
	margin-top: 14px;
	border-top: 1px dashed #bfd2f8;
}

.doit-question__save-status { color: var(--doit-muted); font-size: 13px; font-weight: 700; }

.doit-quiz-study__finish { padding: 32px 0 12px; text-align: center; }
.doit-button--finish {
	min-width: 220px;
	min-height: 52px;
	border-color: var(--doit-primary);
	background: var(--doit-primary);
	color: #fff;
	font-size: 18px;
}
.doit-button--finish:hover { background: var(--doit-primary); color: #000; }

.doit-exam-result {
	padding: 24px;
	margin-top: 24px;
	border: 1px solid var(--doit-border);
	border-radius: 16px;
	background: #fff;
	box-shadow: 0 8px 24px rgba(15, 23, 42, .08);
}

.doit-exam-result__title { margin: 0 0 24px; text-align: center; font-size: 22px; }
.doit-exam-subject { margin-bottom: 26px; }
.doit-exam-subject__heading {
	display: flex;
	justify-content: space-between;
	gap: 14px;
	padding: 9px 12px;
	border: 1px solid var(--doit-border);
	border-bottom: 0;
	background: var(--doit-soft);
}
.doit-exam-subject__heading .is-pass { color: var(--doit-correct); }
.doit-exam-subject__heading .is-fail { color: var(--doit-wrong); }
.doit-exam-subject__grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.doit-exam-answer {
	min-width: 0;
	padding: 9px 10px;
	border: 1px solid var(--doit-border);
	border-radius: 0;
	color: var(--doit-text);
	font: inherit;
	font-size: 14px;
	text-align: left;
	word-break: keep-all;
	cursor: pointer;
}
.doit-exam-answer.is-correct { border-color: #66c58a; background: var(--doit-correct-bg); }
.doit-exam-answer.is-incorrect { border-color: #ef9292; background: var(--doit-wrong-bg); }
.doit-exam-answer:hover,
.doit-exam-answer:focus,
.doit-exam-answer.is-active {
	position: relative;
	z-index: 1;
	color: #000 !important;
	outline: 3px solid var(--doit-primary);
	outline-offset: -3px;
}

.doit-exam-answer-detail {
	padding: 14px;
	border: 1px solid var(--doit-border);
	border-top: 0;
	background: #fff;
}
.doit-exam-answer-detail__question { display: block; margin-bottom: 8px; color: var(--doit-primary-dark); }
.doit-exam-answer-detail > div { padding: 7px 0; border-top: 1px solid #eef2f7; }
.doit-exam-answer-detail__content { padding-top: 6px; }
.doit-exam-answer-detail__content > :first-child { margin-top: 0; }
.doit-exam-answer-detail__content > :last-child { margin-bottom: 0; }
.doit-exam-summary { display: grid; gap: 3px; margin-top: 30px; }
.doit-exam-summary__row,
.doit-exam-summary__final { padding: 10px 12px; }
.doit-exam-summary .is-pass { background: var(--doit-correct-bg); color: var(--doit-correct); }
.doit-exam-summary .is-fail { background: var(--doit-wrong-bg); color: var(--doit-wrong); }
.doit-exam-summary__final { margin-top: 14px; font-size: 18px; font-weight: 800; }

.doit-button {
	min-height: 42px;
	padding: 9px 16px;
	border: 1px solid var(--doit-border);
	border-radius: 10px;
	background: #fff;
	color: var(--doit-text);
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}
.doit-button:hover { border-color: var(--doit-primary); background: var(--doit-primary); color: #000; }
.doit-button--primary,
.doit-button--check { border-color: var(--doit-primary); background: var(--doit-primary); color: #fff; }
.doit-button--primary:hover,
.doit-button--check:hover { background: var(--doit-primary); color: #000; }
.doit-button:disabled { opacity: .65; cursor: wait; }
.doit-button--small { min-height: 34px; padding: 5px 11px; font-size: 13px; }

.doit-quiz-study__message,
.doit-quiz-study-notice {
	padding: 14px 16px;
	margin: 16px 0;
	border: 1px solid #bfd2f8;
	border-radius: 10px;
	background: #f1f6ff;
}

.doit-access-notice {
	position: relative;
	isolation: isolate;
	overflow: hidden;
	box-sizing: border-box;
	width: min(calc(100% - 40px), 720px);
	margin: 64px auto;
	padding: 54px 48px 48px;
	border: 1px solid #cfe2f3;
	border-radius: 28px;
	background: linear-gradient(135deg, #eef9ff 0%, #e7f4ff 48%, #eef0ff 100%);
	box-shadow: 0 18px 48px rgba(31, 83, 128, .12);
	color: #173d5d;
	text-align: center;
}
.doit-access-notice__glow {
	position: absolute;
	z-index: -1;
	top: -92px;
	right: -72px;
	width: 260px;
	height: 260px;
	border-radius: 50%;
	background: rgba(255, 255, 255, .48);
}
.doit-access-notice__icon {
	display: grid;
	place-items: center;
	width: 72px;
	height: 72px;
	margin: 0 auto 20px;
	border-radius: 22px;
	background: rgba(255, 255, 255, .78);
	color: #2998da;
	box-shadow: 0 10px 28px rgba(41, 152, 218, .13);
}
.doit-access-notice__icon svg { width: 38px; height: 38px; }
.doit-access-notice__eyebrow {
	margin: 0 0 10px;
	color: #278bc5;
	font-size: 13px;
	font-weight: 800;
	letter-spacing: .22em;
}
.doit-access-notice h2 {
	margin: 0;
	color: #153d5e;
	font-size: clamp(26px, 4vw, 34px);
	font-weight: 800;
	line-height: 1.32;
	letter-spacing: -.035em;
}
.doit-access-notice__message {
	max-width: 520px;
	margin: 18px auto 0;
	color: #567087;
	font-size: 17px;
	line-height: 1.75;
	word-break: keep-all;
}
.doit-access-notice__button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-width: 230px;
	min-height: 54px;
	margin-top: 30px;
	padding: 12px 26px;
	border-radius: 16px;
	background: #173f5f;
	box-shadow: 0 10px 24px rgba(23, 63, 95, .18);
	color: #fff !important;
	font-size: 16px;
	font-weight: 800;
	text-decoration: none !important;
	transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.doit-access-notice__button:hover,
.doit-access-notice__button:focus {
	transform: translateY(-2px);
	background: #0e6da3;
	box-shadow: 0 14px 28px rgba(14, 109, 163, .22);
	color: #fff !important;
}
.doit-access-notice__button span { font-size: 20px; line-height: 1; }

.doit-quiz-study-list {
	width: min(100%, 1100px);
	margin: 32px auto;
	color: var(--doit-text, #172033);
}
.doit-quiz-study-list__header {
	padding: 28px;
	margin-bottom: 20px;
	border: 1px solid var(--doit-border, #dfe5ee);
	border-radius: 16px;
	background: #fff;
	box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
}
.doit-quiz-study-list__header h2 { margin: 4px 0 8px; font-size: clamp(26px, 4vw, 38px); }
.doit-quiz-study-list__header p:last-child { margin: 0; color: #526078; }
.doit-quiz-study-list__group { margin-top: 28px; }
.doit-quiz-study-list__group h3 {
	margin: 0 0 14px;
	font-size: 22px;
	color: var(--doit-text, #172033);
}
.doit-quiz-study-list__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.doit-quiz-study-list__card {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
	min-height: 86px;
	padding: 20px 22px;
	border: 1px solid var(--doit-border, #dfe5ee);
	border-radius: 14px;
	background: #fff;
	color: var(--doit-text, #172033);
	text-decoration: none !important;
	box-shadow: 0 5px 18px rgba(15, 23, 42, .05);
	transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.doit-quiz-study-list__card strong { font-size: 17px; }
.doit-quiz-study-list__card span {
	flex: 0 0 auto;
	padding: 8px 12px;
	border-radius: 9px;
	background: var(--doit-primary, #2563eb);
	color: #fff;
	font-weight: 700;
}
.doit-quiz-study-list__card:hover,
.doit-quiz-study-list__card:focus {
	transform: translateY(-2px);
	border-color: var(--doit-primary, #2563eb);
	color: #000;
	box-shadow: 0 10px 26px rgba(37, 99, 235, .14);
}
.doit-quiz-study-list__card:hover span,
.doit-quiz-study-list__card:focus span { color: #000; }

@media (max-width: 900px) {
	.doit-quiz-timer {
		position: sticky;
		top: 10px;
		bottom: auto;
		right: auto;
		width: max-content;
		min-width: 190px;
		margin: 0 0 14px auto;
	}
}

@media (max-width: 640px) {
	.doit-access-notice {
		width: calc(100% - 32px);
		margin: 30px auto;
		padding: 38px 22px 34px;
		border-radius: 24px;
	}
	.doit-access-notice__icon { width: 64px; height: 64px; margin-bottom: 18px; border-radius: 20px; }
	.doit-access-notice__icon svg { width: 34px; height: 34px; }
	.doit-access-notice__eyebrow { font-size: 12px; }
	.doit-access-notice h2 { font-size: 25px; }
	.doit-access-notice__message { margin-top: 14px; font-size: 15px; line-height: 1.7; }
	.doit-access-notice__button { width: 100%; min-width: 0; margin-top: 24px; }
	.doit-quiz-study-list { margin: 18px auto; }
	.doit-quiz-study-list__header { padding: 20px; }
	.doit-quiz-study-list__grid { grid-template-columns: 1fr; }
	.doit-quiz-study-list__card { padding: 17px; }
	.doit-quiz-study { margin: 18px auto; font-size: 15px; }
	.doit-quiz-study__header,
	.doit-question { padding: 18px; border-radius: 13px; }
	.doit-question__heading { gap: 10px; }
	.doit-question__number { flex-basis: 32px; height: 32px; border-radius: 9px; }
	.doit-question__text { font-size: 16px; }
	.doit-button { width: 100%; }
	.doit-exam-result { padding: 14px; }
	.doit-exam-subject__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.doit-exam-answer { font-size: 13px; }
}