/**
 * ExamPrep Access Manager — front-end component styles.
 * Uses CSS variables so the active theme can override the look.
 */

:root {
	--epam-primary: #0f766e;
	--epam-primary-dark: #0b5a54;
	--epam-accent: #10b981;
	--epam-gold: #b0791f;
	--epam-green: #10b981;
	--epam-red: #dc2626;
	--epam-ink: #0b1f1d;
	--epam-text: #3d4a47;
	--epam-muted: #6b7a76;
	--epam-line: #e4eae7;
	--epam-bg: #f4f8f6;
	--epam-mute: #e9f0ec;
	--epam-card: #ffffff;
	--epam-radius: 14px;
	--epam-shadow: 0 12px 34px rgba(11, 31, 29, 0.09);
	--epam-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--epam-display: "Fraunces", "Iowan Old Style", Georgia, serif;
}

@media (prefers-color-scheme: dark) {
	:root {
		--epam-primary: #2dd4bf;
		--epam-primary-dark: #14b8a6;
		--epam-accent: #34d399;
		--epam-gold: #d6a94e;
		--epam-green: #34d399;
		--epam-ink: #eaf2ef;
		--epam-text: #b4c3be;
		--epam-muted: #7f918b;
		--epam-line: #223330;
		--epam-bg: #0b1815;
		--epam-mute: #12211d;
		--epam-card: #0e1c19;
		--epam-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
	}
}
:root[data-theme="dark"] {
	--epam-primary: #2dd4bf; --epam-primary-dark: #14b8a6; --epam-accent: #34d399;
	--epam-gold: #d6a94e; --epam-green: #34d399; --epam-ink: #eaf2ef; --epam-text: #b4c3be;
	--epam-muted: #7f918b; --epam-line: #223330; --epam-bg: #0b1815; --epam-mute: #12211d;
	--epam-card: #0e1c19; --epam-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}
:root[data-theme="light"] {
	--epam-primary: #0f766e; --epam-primary-dark: #0b5a54; --epam-accent: #10b981;
	--epam-gold: #b0791f; --epam-green: #10b981; --epam-ink: #0b1f1d; --epam-text: #3d4a47;
	--epam-muted: #6b7a76; --epam-line: #e4eae7; --epam-bg: #f4f8f6; --epam-mute: #e9f0ec;
	--epam-card: #ffffff; --epam-shadow: 0 12px 34px rgba(11, 31, 29, 0.09);
}

.epam-auth__title, .epam-bonus__title, .epam-dash__head h1, .epam-upgrade__head h1,
.epam-tool-wrap__title, .epam-plan h3, .epam-quiz__question, .epam-quiz__score, .epam-stat__num {
	font-family: var(--epam-display);
	font-weight: 600;
	letter-spacing: -.015em;
}

.epam-card,
.epam-dash,
.epam-bonus,
.epam-upgrade,
.epam-tool-wrap {
	font-family: var(--epam-font);
	color: var(--epam-text);
}

/* Buttons ------------------------------------------------------------- */
.epam-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 22px;
	border-radius: 10px;
	font-weight: 600;
	font-size: 15px;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	border: 1px solid transparent;
	transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.epam-btn:hover { transform: translateY(-1px); }
.epam-btn:active { transform: translateY(0); }
.epam-btn--primary { background: var(--epam-primary); color: #fff; box-shadow: 0 10px 24px -8px rgba(15, 118, 110, 0.6); }
.epam-btn--primary:hover { background: var(--epam-primary-dark); color: #fff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .epam-btn--primary { color: #04211d; } }
:root[data-theme="dark"] .epam-btn--primary { color: #04211d; }
.epam-btn--ghost { background: transparent; color: var(--epam-primary); border-color: var(--epam-line); }
.epam-btn--ghost:hover { border-color: var(--epam-primary); }
.epam-btn--block { width: 100%; }
.epam-btn--lg { padding: 15px 28px; font-size: 16px; }
.epam-link-btn { background: none; border: none; color: var(--epam-primary); cursor: pointer; text-decoration: underline; font-size: inherit; padding: 0; }

/* Cards & forms ------------------------------------------------------- */
.epam-card {
	background: var(--epam-card);
	border: 1px solid var(--epam-line);
	border-radius: var(--epam-radius);
	box-shadow: var(--epam-shadow);
	padding: 32px;
	margin: 0 auto 24px;
	max-width: 560px;
}
.epam-auth__title { font-size: 26px; margin: 0 0 6px; color: var(--epam-ink); }
.epam-auth__sub { color: var(--epam-muted); margin: 0 0 22px; }
.epam-auth__foot { margin-top: 18px; color: var(--epam-muted); font-size: 14px; }
.epam-auth__foot a { color: var(--epam-primary); text-decoration: none; }

.epam-form { display: flex; flex-direction: column; gap: 16px; }
.epam-field { display: flex; flex-direction: column; gap: 6px; }
.epam-field > span { font-size: 14px; font-weight: 600; color: var(--epam-ink); }
.epam-field em { color: var(--epam-muted); font-weight: 400; font-style: normal; }
.epam-field input,
.epam-form input[type="text"],
.epam-form input[type="email"],
.epam-form input[type="password"] {
	width: 100%;
	padding: 13px 14px;
	border: 1px solid var(--epam-line);
	border-radius: 10px;
	font-size: 15px;
	background: #fff;
	color: var(--epam-ink);
	transition: border 0.15s ease, box-shadow 0.15s ease;
	box-sizing: border-box;
}
.epam-field input:focus,
.epam-form input:focus {
	outline: none;
	border-color: var(--epam-primary);
	box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.22);
}
.epam-field small { color: var(--epam-muted); font-size: 12px; }
.epam-check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--epam-text); }
.epam-form--inline { flex-direction: row; flex-wrap: wrap; align-items: center; }
.epam-form--inline input[type="text"] { flex: 1; min-width: 200px; }

/* Notices ------------------------------------------------------------- */
.epam-notice {
	padding: 14px 18px;
	border-radius: 10px;
	margin: 0 auto 20px;
	max-width: 560px;
	font-size: 14px;
	line-height: 1.5;
}
.epam-notice--success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.epam-notice--error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.epam-notice--warn { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* Bonus landing ------------------------------------------------------- */
.epam-bonus { max-width: 760px; margin: 0 auto; text-align: center; padding: 20px; }
.epam-bonus__badge { display: inline-block; background: rgba(15, 118, 110, 0.12); color: var(--epam-primary); font-weight: 700; font-size: 13px; letter-spacing: .5px; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.epam-bonus__title { font-size: 34px; line-height: 1.15; color: var(--epam-ink); margin: 0 0 14px; }
.epam-bonus__lead { font-size: 17px; color: var(--epam-text); max-width: 620px; margin: 0 auto 28px; }
.epam-bonus__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0 0 30px; }
.epam-step { background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 12px; padding: 18px 12px; font-size: 14px; font-weight: 600; color: var(--epam-ink); }
.epam-step__n { display: block; width: 32px; height: 32px; line-height: 32px; margin: 0 auto 10px; border-radius: 50%; background: var(--epam-primary); color: #fff; font-weight: 700; }
.epam-bonus__cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.epam-disclaimer { margin-top: 30px; font-size: 12px; color: var(--epam-muted); max-width: 620px; margin-left: auto; margin-right: auto; }

/* Dashboard ----------------------------------------------------------- */
.epam-dash { max-width: 960px; margin: 0 auto; }
.epam-dash__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.epam-dash__head h1 { font-size: 28px; color: var(--epam-ink); margin: 0 0 6px; }
.epam-dash__level { margin: 0; display: flex; align-items: center; gap: 10px; }
.epam-dash__expires { color: var(--epam-muted); font-size: 13px; }
.epam-pill { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.epam-pill--gold { background: #fef3c7; color: #92400e; }
.epam-pill--blue { background: #dbeafe; color: #1e40af; }
.epam-pill--grey { background: #f1f5f9; color: #475569; }
.epam-dash__h2 { font-size: 18px; color: var(--epam-ink); margin: 28px 0 14px; }

.epam-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.epam-stat { background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 12px; padding: 18px; text-align: center; }
.epam-stat__num { display: block; font-size: 28px; font-weight: 800; color: var(--epam-primary); }
.epam-stat__label { font-size: 13px; color: var(--epam-muted); }

/* Activity tracker */
.epam-tracker { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 14px; }
.epam-track { display: flex; align-items: center; gap: 12px; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 12px; padding: 16px; }
.epam-track__icon { font-size: 24px; line-height: 1; }
.epam-track__num { display: block; font-size: 22px; font-weight: 800; color: var(--epam-ink); font-family: var(--epam-display); }
.epam-track__num--sm { font-size: 15px; font-weight: 700; }
.epam-track__label { font-size: 12px; color: var(--epam-muted); }
@media (max-width: 860px) { .epam-tracker { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .epam-tracker { grid-template-columns: 1fr; } }

.epam-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.epam-tool { display: flex; flex-direction: column; gap: 6px; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 14px; padding: 22px; text-decoration: none; transition: transform .1s ease, box-shadow .2s ease, border-color .2s ease; }
.epam-tool:hover { transform: translateY(-3px); box-shadow: var(--epam-shadow); border-color: var(--epam-primary); }
.epam-tool--locked { opacity: .85; }
.epam-tool__icon { font-size: 30px; }
.epam-tool__title { font-size: 17px; font-weight: 700; color: var(--epam-ink); }
.epam-tool__desc { font-size: 14px; color: var(--epam-muted); }
.epam-tool__lock { font-size: 14px; }

.epam-table { width: 100%; border-collapse: collapse; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 12px; overflow: hidden; }
.epam-table th, .epam-table td { text-align: left; padding: 12px 16px; font-size: 14px; border-bottom: 1px solid var(--epam-line); }
.epam-table th { background: var(--epam-bg); color: var(--epam-ink); font-weight: 600; }
.epam-table tr:last-child td { border-bottom: none; }
.epam-dash__foot { margin-top: 26px; font-size: 14px; color: var(--epam-muted); }
.epam-dash__foot a { color: var(--epam-primary); text-decoration: none; }

.epam-redeem { max-width: 100%; background: linear-gradient(135deg, rgba(15, 118, 110, 0.07), rgba(16, 185, 129, 0.07)); }
.epam-kv { list-style: none; padding: 0; margin: 20px 0; }
.epam-kv li { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--epam-line); }
.epam-kv li span { color: var(--epam-muted); }
.epam-account__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.epam-hint { color: var(--epam-muted); font-size: 13px; }

/* Locked block -------------------------------------------------------- */
.epam-locked { text-align: center; background: var(--epam-card); border: 1px dashed var(--epam-line); border-radius: 14px; padding: 40px 24px; max-width: 520px; margin: 0 auto; }
.epam-locked__icon { font-size: 40px; margin-bottom: 10px; }
.epam-locked__title { font-size: 20px; color: var(--epam-ink); margin: 0 0 8px; }
.epam-locked__text { color: var(--epam-muted); margin: 0 0 20px; }

/* Upgrade ------------------------------------------------------------- */
.epam-upgrade { max-width: 860px; margin: 0 auto; text-align: center; }
.epam-upgrade__head h1 { font-size: 32px; color: var(--epam-ink); margin: 0 0 10px; }
.epam-upgrade__head p { color: var(--epam-text); font-size: 16px; margin: 0 0 30px; }
.epam-plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; text-align: left; }
.epam-plan { background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 16px; padding: 28px; position: relative; }
.epam-plan--featured { border: 2px solid var(--epam-primary); box-shadow: var(--epam-shadow); }
.epam-plan__tag { position: absolute; top: -12px; right: 20px; background: var(--epam-primary); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; }
.epam-plan h3 { font-size: 20px; color: var(--epam-ink); margin: 0 0 6px; }
.epam-plan__price { font-size: 30px; font-weight: 800; color: var(--epam-ink); margin: 0 0 16px; }
.epam-plan ul { list-style: none; padding: 0; margin: 0 0 22px; }
.epam-plan li { padding: 8px 0 8px 26px; position: relative; color: var(--epam-text); }
.epam-plan li::before { content: "✓"; position: absolute; left: 0; color: var(--epam-green); font-weight: 700; }
.epam-plan__note { font-size: 12px; color: var(--epam-muted); text-align: center; margin-top: 12px; }

/* Study tools --------------------------------------------------------- */
.epam-tool-wrap { max-width: 760px; margin: 0 auto; }
.epam-tool-wrap__title { font-size: 28px; color: var(--epam-ink); margin: 0 0 20px; }
.epam-loading { color: var(--epam-muted); text-align: center; padding: 40px; }

/* Flashcards ---------------------------------------------------------- */
.epam-flashcards { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.epam-flashcard { width: 100%; max-width: 520px; height: 320px; perspective: 1200px; cursor: pointer; }
.epam-flashcard__inner { position: relative; width: 100%; height: 100%; transition: transform .5s; transform-style: preserve-3d; }
.epam-flashcard.is-flipped .epam-flashcard__inner { transform: rotateY(180deg); }
.epam-flashcard__face { position: absolute; inset: 0; display: flex; flex-direction: column; padding: 22px 22px 40px; text-align: center; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 18px; border: 1px solid var(--epam-line); background: var(--epam-card); box-shadow: var(--epam-shadow); font-size: 19px; line-height: 1.5; color: var(--epam-ink); overflow: hidden; }
/* Content is centered when short, scrolls inside the card when long — it can
   never spill outside the card. margin:auto centers within a scrollable flex. */
.epam-flashcard__content { margin: auto; max-height: 100%; overflow-y: auto; overscroll-behavior: contain; width: 100%; padding: 2px 4px; -webkit-overflow-scrolling: touch; word-break: break-word; }
.epam-flashcard__face--back { transform: rotateY(180deg); background: linear-gradient(135deg, var(--epam-primary), var(--epam-accent)); color: #fff; border: none; font-size: 17px; }
.epam-flashcard__hint { font-size: 12px; color: var(--epam-muted); position: absolute; bottom: 12px; left: 0; right: 0; pointer-events: none; }
.epam-flashcard__hint--back { color: rgba(255,255,255,.75); }
.epam-flash-nav { display: flex; align-items: center; justify-content: center; gap: 16px; width: 100%; max-width: 520px; }
.epam-flash-count { color: var(--epam-muted); font-size: 14px; min-width: 64px; text-align: center; }
.epam-picker__lead { color: var(--epam-muted); margin: -6px 0 18px; }

@media (max-width: 560px) {
	.epam-flashcard { height: 280px; max-width: 100%; }
	.epam-flashcard__face { font-size: 16.5px; padding: 16px 14px 36px; border-radius: 14px; }
	.epam-flashcard__face--back { font-size: 15.5px; }
	.epam-flash-nav { gap: 8px; }
	.epam-flash-nav .epam-btn { flex: 1 1 auto; padding-left: 10px; padding-right: 10px; }
}

/* Quiz ---------------------------------------------------------------- */
.epam-quiz__bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; flex-wrap: wrap; }
.epam-quiz__progress { flex: 1; height: 8px; background: var(--epam-line); border-radius: 999px; overflow: hidden; min-width: 160px; }
.epam-quiz__progress span { display: block; height: 100%; background: var(--epam-primary); width: 0; transition: width .3s ease; }
.epam-quiz__timer { font-weight: 700; color: var(--epam-ink); font-variant-numeric: tabular-nums; }
.epam-quiz__timer.is-low { color: var(--epam-red); }
.epam-quiz__q { background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 14px; padding: 26px; box-shadow: var(--epam-shadow); }
.epam-quiz__count { font-size: 13px; color: var(--epam-muted); margin-bottom: 8px; }
.epam-quiz__question { font-size: 19px; color: var(--epam-ink); margin: 0 0 20px; line-height: 1.4; }
.epam-quiz__options { display: flex; flex-direction: column; gap: 10px; }
.epam-quiz__option { text-align: left; padding: 14px 16px; border: 1px solid var(--epam-line); border-radius: 10px; background: #fff; cursor: pointer; font-size: 15px; color: var(--epam-ink); transition: border .15s, background .15s; }
.epam-quiz__option:hover { border-color: var(--epam-primary); }
.epam-quiz__option.is-selected { border-color: var(--epam-primary); background: rgba(15, 118, 110, 0.08); }
.epam-quiz__option.is-correct { border-color: var(--epam-green); background: #ecfdf5; }
.epam-quiz__option.is-wrong { border-color: var(--epam-red); background: #fef2f2; }
.epam-quiz__option[disabled] { cursor: default; }
.epam-quiz__option.is-pending { border-color: var(--epam-primary); background: rgba(15, 118, 110, 0.06); opacity: .85; }
.epam-quiz__explain { margin-top: 16px; padding: 14px 16px; background: var(--epam-bg); border-left: 3px solid var(--epam-primary); border-radius: 8px; font-size: 14px; color: var(--epam-text); }
.epam-quiz__actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }
.epam-quiz__result { text-align: center; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 16px; padding: 40px; box-shadow: var(--epam-shadow); }
.epam-quiz__score { font-size: 52px; font-weight: 800; color: var(--epam-primary); }
.epam-quiz__result h2 { color: var(--epam-ink); margin: 0 0 6px; }
.epam-upsell { margin-top: 18px; padding: 16px; background: rgba(245,158,11,.08); border: 1px solid #fde68a; border-radius: 12px; color: #92400e; }

/* Exam simulator ------------------------------------------------------ */
.epam-quiz__option.is-selected { border-color: var(--epam-primary); background: rgba(79,70,229,.08); font-weight: 600; }
.epam-quiz__actions--exam { justify-content: space-between; flex-wrap: wrap; }
.epam-btn--gold { background: #b45309; color: #fff; }
.epam-btn--gold:hover { background: #92400e; }

.epam-simnav { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; padding: 14px; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 14px; }
.epam-simnav__btn { min-width: 40px; height: 40px; border: 1px solid var(--epam-line); border-radius: 10px; background: transparent; color: var(--epam-ink); font-weight: 600; cursor: pointer; }
.epam-simnav__btn.is-answered { background: rgba(79,70,229,.12); border-color: var(--epam-primary); color: var(--epam-primary); }
.epam-simnav__btn.is-current { outline: 2px solid var(--epam-primary); outline-offset: 1px; }
.epam-simnav__btn:hover { border-color: var(--epam-primary); }

.epam-review { margin-top: 26px; }
.epam-review__title { color: var(--epam-ink); }
.epam-review__item { background: var(--epam-card); border: 1px solid var(--epam-line); border-left-width: 4px; border-radius: 12px; padding: 16px 18px; margin-bottom: 12px; }
.epam-review__item.is-right { border-left-color: #059669; }
.epam-review__item.is-wrong { border-left-color: #dc2626; }
.epam-review__q { color: var(--epam-ink); margin-bottom: 8px; }
.epam-review__a { font-size: 14.5px; color: var(--epam-muted); line-height: 1.55; }
.epam-review__label { font-weight: 700; color: var(--epam-ink); }
.epam-review__why { margin-top: 8px; font-size: 14px; color: var(--epam-muted); background: rgba(79,70,229,.05); border-radius: 8px; padding: 10px 12px; }

@media (max-width: 520px) {
	.epam-simnav__btn { min-width: 34px; height: 34px; border-radius: 8px; font-size: 13px; }
	.epam-quiz__actions--exam { gap: 8px; }
	.epam-quiz__actions--exam .epam-btn { flex: 1 1 auto; }
}

/* Course store -------------------------------------------------------- */
.epam-course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 24px 0; }
.epam-course-card { display: flex; flex-direction: column; background: var(--epam-card); border: 1px solid var(--epam-line); border-radius: 16px; padding: 22px; box-shadow: var(--epam-shadow); }
.epam-course-card.is-owned { border-color: #fcd34d; background: rgba(252,211,77,.06); }
.epam-course-card__media { margin: -22px -22px 16px; border-radius: 16px 16px 0 0; overflow: hidden; }
.epam-course-card__media img { display: block; width: 100%; height: auto; }
.epam-course-card__title { margin: 0 0 8px; font-size: 19px; color: var(--epam-ink); }
.epam-course-card__desc { margin: 0 0 14px; color: var(--epam-muted); font-size: 14px; line-height: 1.5; flex: 1; }
.epam-course-card__price { font-size: 30px; font-weight: 800; color: var(--epam-primary); margin: 0 0 14px; }
.epam-course-card__note { margin: 10px 0 0; font-size: 12px; color: var(--epam-muted); text-align: center; }
.epam-course-card .epam-pill { align-self: flex-start; margin-bottom: 10px; }

/* Responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
	.epam-course-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
	.epam-stats, .epam-tools, .epam-plans, .epam-bonus__steps { grid-template-columns: 1fr 1fr; }
	.epam-bonus__title { font-size: 26px; }
}
@media (max-width: 480px) {
	.epam-stats, .epam-tools, .epam-plans, .epam-bonus__steps, .epam-course-grid { grid-template-columns: 1fr; }
	.epam-card { padding: 22px; }
}