/**
 * ParentingHealthTips LMS — front-end styles.
 *
 * Namespaced under .phtlms* so the plugin looks presentable with any theme,
 * while inheriting the theme's fonts/colours where sensible. Uses CSS custom
 * properties with fallbacks so the host theme can override the accent.
 */
.phtlms,
[class^="phtlms-"],
[class*=" phtlms-"] {
	--phtlms-accent: var(--c-primary, #2563eb);
	--phtlms-accent-dark: var(--c-primary-dark, #1d4ed8);
	--phtlms-border: var(--c-border, #e2e8f0);
	--phtlms-muted: var(--c-text-muted, #64748b);
	--phtlms-radius: 12px;
	box-sizing: border-box;
}

.phtlms-container { max-width: 1140px; margin-inline: auto; padding-inline: 20px; }
.phtlms-container--narrow { max-width: 720px; }

/* Buttons */
.phtlms-btn {
	display: inline-flex; align-items: center; justify-content: center;
	gap: 6px; font-weight: 600; font-size: 14px; line-height: 1;
	padding: 12px 20px; border: 1px solid transparent; border-radius: 999px;
	background: var(--phtlms-accent); color: #fff; cursor: pointer;
	text-decoration: none; transition: background .2s, transform .2s;
}
.phtlms-btn:hover { background: var(--phtlms-accent-dark); color: #fff; transform: translateY(-1px); }
.phtlms-btn:disabled, .phtlms-btn.is-done { background: #94a3b8; cursor: default; transform: none; }
.phtlms-btn--sm { padding: 8px 14px; font-size: 13px; }
.phtlms-btn--block { display: flex; width: 100%; }

/* Grid + card */
.phtlms-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.phtlms-card { display: flex; flex-direction: column; border: 1px solid var(--phtlms-border); border-radius: var(--phtlms-radius); overflow: hidden; background: #fff; transition: transform .2s, box-shadow .2s; }
.phtlms-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(15,23,42,.1); }
.phtlms-card__media { display: block; aspect-ratio: 16/9; background: #f1f5f9; }
.phtlms-card__media img { width: 100%; height: 100%; object-fit: cover; }
.phtlms-card__placeholder { display: block; height: 100%; background: linear-gradient(135deg, #e2e8f0, #f8fafc); }
.phtlms-card__body { padding: 16px; flex: 1; }
.phtlms-card__title { font-size: 18px; margin: 0 0 6px; }
.phtlms-card__title a { color: inherit; text-decoration: none; }
.phtlms-card__meta { color: var(--phtlms-muted); font-size: 13px; margin: 0 0 8px; }
.phtlms-card__foot { display: flex; align-items: center; justify-content: space-between; padding: 16px; border-top: 1px solid var(--phtlms-border); }
.phtlms-card__price { font-weight: 700; }

/* Progress */
.phtlms-progress { height: 8px; background: #eef2f7; border-radius: 999px; overflow: hidden; }
.phtlms-progress--lg { height: 12px; }
.phtlms-progress__bar { display: block; height: 100%; background: linear-gradient(90deg, var(--phtlms-accent), #10b981); transition: width .5s ease; }

/* Course single */
.phtlms-single--course { padding-block: 0 64px; }
.phtlms-single--lesson { padding: 0; background: var(--c-bg-alt, #f1f5f9); }

/* Inline icons */
.phtlms-ico { width: 1.05em; height: 1.05em; flex: 0 0 auto; vertical-align: -0.15em; }

/* Hero band */
.phtlms-course-hero {
	background: linear-gradient(180deg, var(--c-primary-light, #dbeafe) 0%, var(--c-bg-alt, #f8fafc) 100%);
	border-bottom: 1px solid var(--phtlms-border);
	padding-block: 48px 40px; margin-bottom: 40px;
}
.phtlms-course-hero__title {
	font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.1; font-weight: 800;
	color: var(--c-text, #0f172a); margin: 0 0 14px; max-width: 20ch;
}
.phtlms-course-hero__excerpt { color: var(--phtlms-muted); font-size: 1.05rem; max-width: 60ch; margin: 0 0 22px; }
.phtlms-course-hero__excerpt p { margin: 0; }

.phtlms-pills { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; }
.phtlms-pill {
	display: inline-flex; align-items: center; gap: 7px;
	background: #fff; border: 1px solid var(--phtlms-border); color: var(--c-text, #0f172a);
	font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
	box-shadow: var(--shadow-sm, 0 1px 2px rgba(15,23,42,.06));
}
.phtlms-pill .phtlms-ico { color: var(--phtlms-accent); }

/* Two-column layout */
.phtlms-course-layout { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 40px; align-items: start; }
.phtlms-course-content { min-width: 0; }
.phtlms-course-block { margin-bottom: 40px; }
.phtlms-course-block:last-child { margin-bottom: 0; }

.phtlms-section-title {
	position: relative; font-size: 1.25rem; font-weight: 700; line-height: 1.2;
	color: var(--c-text, #0f172a); margin: 0 0 18px; padding-left: 14px;
}
.phtlms-section-title::before {
	content: ""; position: absolute; left: 0; top: 2px; bottom: 2px;
	width: 4px; border-radius: 999px; background: var(--phtlms-accent);
}
.phtlms-course-desc { color: #334155; line-height: 1.7; }
.phtlms-course-desc > :first-child { margin-top: 0; }
.phtlms-course-desc > :last-child { margin-bottom: 0; }

/* Curriculum */
.phtlms-curriculum { border: 1px solid var(--phtlms-border); border-radius: 14px; overflow: hidden; background: #fff; }
.phtlms-curriculum + .phtlms-curriculum { margin-top: 16px; }
.phtlms-curriculum__head {
	display: flex; align-items: center; gap: 10px;
	padding: 14px 18px; background: var(--c-bg-alt, #f8fafc); border-bottom: 1px solid var(--phtlms-border);
	font-weight: 700; font-size: 14px; color: var(--c-text, #0f172a);
}
.phtlms-curriculum__dot { width: 8px; height: 8px; border-radius: 999px; background: var(--phtlms-accent); flex: 0 0 auto; }
.phtlms-curriculum__count { margin-left: auto; font-weight: 500; font-size: 12px; color: var(--phtlms-muted); }

.phtlms-lessons { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.phtlms-lesson + .phtlms-lesson { border-top: 1px solid var(--phtlms-border); }
.phtlms-lesson__row {
	display: flex; align-items: center; gap: 14px; padding: 15px 18px;
	color: var(--c-text, #0f172a); text-decoration: none; transition: background var(--dur,.2s) var(--ease, ease);
}
a.phtlms-lesson__row:hover { background: var(--c-primary-light, #eff6ff); }
.phtlms-lesson__icon { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 auto; border-radius: 999px; background: var(--c-bg-alt, #f1f5f9); color: var(--phtlms-muted); }
.phtlms-lesson__icon .phtlms-ico { width: 15px; height: 15px; }
.phtlms-lesson.is-complete .phtlms-lesson__icon { background: #dcfce7; color: #16a34a; }
a.phtlms-lesson__row:hover .phtlms-lesson__icon { background: #fff; color: var(--phtlms-accent); }
.phtlms-lesson__title { font-weight: 600; font-size: 15px; min-width: 0; }
.phtlms-lesson__meta { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--phtlms-muted); font-size: 12.5px; white-space: nowrap; }
.phtlms-lesson__type { font-weight: 500; }
.phtlms-lesson__lock { display: inline-grid; place-items: center; color: var(--phtlms-muted); }
.phtlms-lesson__lock .phtlms-ico { width: 14px; height: 14px; }
.phtlms-lesson.is-locked .phtlms-lesson__title { color: #475569; }

.phtlms-badge { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; }
.phtlms-badge--preview { color: var(--phtlms-accent-dark); background: var(--c-primary-light, #dbeafe); }

/* Instructor */
.phtlms-instructor { display: flex; align-items: center; gap: 18px; border: 1px solid var(--phtlms-border); border-radius: 14px; padding: 20px; background: #fff; }
.phtlms-instructor__avatar img { display: block; width: 64px; height: 64px; border-radius: 999px; object-fit: cover; }
.phtlms-instructor__name { font-weight: 700; font-size: 16px; margin: 0 0 4px; color: var(--c-text, #0f172a); }
.phtlms-instructor__bio { margin: 0; color: var(--phtlms-muted); font-size: 14px; line-height: 1.6; }

/* Enroll card */
.phtlms-course-aside { position: sticky; top: 90px; }
.phtlms-enroll-card { border: 1px solid var(--phtlms-border); border-radius: 16px; background: #fff; padding: 24px; box-shadow: var(--shadow, 0 4px 16px rgba(15,23,42,.08)); }
.phtlms-enroll-card__price { font-size: 1.9rem; font-weight: 800; color: var(--c-text, #0f172a); margin: 0 0 18px; }
.phtlms-price__code { font-size: .55em; font-weight: 700; color: var(--phtlms-muted); vertical-align: 0.15em; }
.phtlms-enroll-card__cta { margin-bottom: 20px; }
.phtlms-enroll-card__cta > .btn + .phtlms-checkout-note,
.phtlms-enroll-card__cta > .phtlms-btn + .phtlms-checkout-note { margin-top: 10px; }
.phtlms-enroll-card__progress { color: var(--phtlms-muted); font-size: 14px; margin: 8px 0 14px; }
.phtlms-enroll-msg { margin: 8px 0 0; font-size: 14px; text-align: center; }

.phtlms-enroll-card__facts { list-style: none; margin: 0; padding: 18px 0 0; border-top: 1px solid var(--phtlms-border); display: flex; flex-direction: column; gap: 13px; }
.phtlms-enroll-card__facts li { display: flex; align-items: center; gap: 11px; color: #334155; font-size: 14px; }
.phtlms-enroll-card__facts .phtlms-ico { color: var(--phtlms-accent); width: 18px; height: 18px; }

/* Lesson list */
.phtlms-lesson-list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--phtlms-border); border-radius: var(--phtlms-radius); overflow: hidden; }
.phtlms-lesson-list__item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--phtlms-border); }
.phtlms-lesson-list__item:last-child { border-bottom: 0; }
.phtlms-lesson-list__item.is-current { background: #eff6ff; }
.phtlms-lesson-list__item.is-complete a::before { content: "✓ "; color: #10b981; font-weight: 700; }
.phtlms-lesson-list__type { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--phtlms-muted); background: #f1f5f9; padding: 2px 8px; border-radius: 999px; }
.phtlms-lesson-list__locked { color: var(--phtlms-muted); }
.phtlms-lesson-list__locked::after { content: " 🔒"; }

/* Lesson layout */
.phtlms-video { position: relative; margin-bottom: 24px; border-radius: var(--phtlms-radius); overflow: hidden; background: #000; }
.phtlms-video video, .phtlms-video iframe { width: 100%; aspect-ratio: 16/9; display: block; border: 0; }

/* Lesson top bar */
.phtlms-lesson-topbar { background: #fff; border-bottom: 1px solid var(--phtlms-border); }
.phtlms-lesson-topbar__inner { display: flex; align-items: center; gap: 16px; padding: 13px 24px; }
.phtlms-lesson-back { display: inline-flex; align-items: center; gap: 8px; color: var(--c-text, #0f172a); font-weight: 700; font-size: 14px; text-decoration: none; }
.phtlms-lesson-back .phtlms-ico { width: 16px; height: 16px; color: var(--phtlms-muted); }
.phtlms-lesson-back:hover { color: var(--phtlms-accent); }
.phtlms-lesson-back:hover .phtlms-ico { color: var(--phtlms-accent); }
.phtlms-lesson-topbar__progress { margin-left: auto; width: min(200px, 30vw); }

/* Lesson shell: fixed course-content nav + content */
.phtlms-lesson-shell { display: grid; grid-template-columns: 288px minmax(0, 1fr); align-items: start; }
.phtlms-lesson-nav { align-self: stretch; background: #fff; border-right: 1px solid var(--phtlms-border); padding: 22px 14px; position: sticky; top: 0; }
.phtlms-lesson-nav__label { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--phtlms-muted); margin: 0 0 14px; padding: 0 8px; }
.phtlms-lesson-nav__section { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--phtlms-accent); margin: 0 0 8px; padding: 0 8px; }
.phtlms-lesson-menu { list-style: none; margin: 0; padding: 0; }
.phtlms-lesson-menu__row { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-radius: 8px; color: #334155; text-decoration: none; font-size: 14px; line-height: 1.35; transition: background .15s var(--ease, ease), color .15s var(--ease, ease); }
a.phtlms-lesson-menu__row:hover { background: var(--c-bg-alt, #f1f5f9); color: var(--c-text, #0f172a); }
.phtlms-lesson-menu__item.is-current > .phtlms-lesson-menu__row { background: var(--c-primary-light, #dbeafe); color: var(--c-text, #0f172a); font-weight: 700; }
.phtlms-lesson-menu__icon { display: inline-grid; place-items: center; width: 20px; flex: 0 0 auto; color: var(--phtlms-muted); }
.phtlms-lesson-menu__icon .phtlms-ico { width: 14px; height: 14px; }
.phtlms-lesson-menu__item.is-complete .phtlms-lesson-menu__icon { color: #16a34a; }
.phtlms-lesson-menu__item.is-current .phtlms-lesson-menu__icon { color: var(--phtlms-accent); }
.phtlms-lesson-menu__item.is-locked .phtlms-lesson-menu__row { color: var(--phtlms-muted); }
.phtlms-lesson-menu__title { min-width: 0; }

/* Lesson content column */
.phtlms-lesson-body { padding: 34px 40px 64px; }
.phtlms-lesson-body > .phtlms-notice { max-width: 620px; }
.phtlms-lesson-inner { max-width: 840px; }
.phtlms-lesson-title { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; color: var(--c-text, #0f172a); margin: 0 0 20px; }
.phtlms-lesson-content { color: #334155; line-height: 1.75; font-size: 1.02rem; }
.phtlms-lesson-content > :first-child { margin-top: 0; }
.phtlms-lesson-content > :last-child { margin-bottom: 0; }
.phtlms-lesson-rule { border: 0; border-top: 1px solid var(--phtlms-border); margin: 34px 0 22px; }

.phtlms-lesson-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.phtlms-lesson-foot__prev { margin-right: auto; }
.phtlms-lesson-foot__actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.phtlms-lesson-foot__msg { font-size: 13px; color: var(--phtlms-muted); }

.phtlms-navbtn { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; line-height: 1; padding: 11px 20px; border-radius: 999px; border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background .2s, transform .2s, border-color .2s, color .2s; }
.phtlms-navbtn .phtlms-ico { width: 16px; height: 16px; }
.phtlms-navbtn--next { background: var(--phtlms-accent); color: #fff; }
.phtlms-navbtn--next:hover { background: var(--phtlms-accent-dark); color: #fff; transform: translateY(-1px); }
.phtlms-navbtn--ghost { background: #fff; color: var(--c-text, #0f172a); border-color: var(--phtlms-border); }
.phtlms-navbtn--ghost:hover { border-color: var(--phtlms-accent); color: var(--phtlms-accent); }
.phtlms-navbtn--complete { background: #fff; color: #16a34a; border-color: #bbf7d0; }
.phtlms-navbtn--complete:hover { background: #f0fdf4; }
.phtlms-navbtn--complete.is-done, .phtlms-navbtn--complete:disabled { background: #f0fdf4; color: #16a34a; border-color: #bbf7d0; cursor: default; transform: none; }

/* Quiz */
.phtlms-quiz__q { border: 1px solid var(--phtlms-border); border-radius: var(--phtlms-radius); padding: 20px; margin: 0 0 16px; }
.phtlms-quiz__q-text { font-weight: 700; padding: 0; }
.phtlms-quiz__points { font-weight: 400; color: var(--phtlms-muted); font-size: 13px; margin-left: 8px; }
.phtlms-quiz__opt { display: flex; align-items: center; gap: 10px; padding: 8px 0; cursor: pointer; }
.phtlms-quiz-result { margin-top: 24px; padding: 20px; border-radius: var(--phtlms-radius); border: 1px solid var(--phtlms-border); }
.phtlms-quiz-result.is-pass { background: #dcfce7; border-color: #86efac; }
.phtlms-quiz-result.is-fail { background: #fee2e2; border-color: #fca5a5; }

/* Stats / dashboard */
.phtlms-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 16px; margin-bottom: 24px; }
.phtlms-stat { border: 1px solid var(--phtlms-border); border-radius: var(--phtlms-radius); padding: 16px; text-align: center; }
.phtlms-stat__num { display: block; font-size: 28px; font-weight: 800; }
.phtlms-stat__label { color: var(--phtlms-muted); font-size: 13px; }
.phtlms-dashboard__heading { margin: 24px 0 16px; }

/* Certificates list */
.phtlms-cert-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.phtlms-cert { display: flex; align-items: center; justify-content: space-between; gap: 16px; border: 1px solid var(--phtlms-border); border-radius: var(--phtlms-radius); padding: 16px; }
.phtlms-cert__code { display: block; font-family: monospace; color: var(--phtlms-muted); font-size: 12px; }

/* Notices & misc */
.phtlms-notice { border: 1px solid var(--phtlms-border); background: #f8fafc; border-radius: var(--phtlms-radius); padding: 20px; text-align: center; }
.phtlms-notice--success { border-color: #b6e0bd; background: #eef8f0; color: #256e2e; }
.phtlms-notice--error { border-color: #f5c2c2; background: #fdecec; color: #a12626; }
.phtlms-notice--info { border-color: #c3ddf2; background: #eff6fc; color: #1f5f8b; }
.phtlms-checkout-note { text-align: center; color: var(--phtlms-muted); font-size: 13px; margin-top: 10px; }
.phtlms-empty { color: var(--phtlms-muted); text-align: center; padding: 32px; }
.phtlms-pagination ul { display: flex; gap: 8px; list-style: none; padding: 0; justify-content: center; margin-top: 24px; }
.phtlms-pagination a, .phtlms-pagination span { display: grid; place-items: center; min-width: 40px; height: 40px; border: 1px solid var(--phtlms-border); border-radius: 8px; }
.phtlms-pagination .current { background: var(--phtlms-accent); color: #fff; border-color: var(--phtlms-accent); }

/* Responsive */
@media (max-width: 900px) {
	.phtlms-course-layout { grid-template-columns: 1fr; }
	.phtlms-course-aside { position: static; order: -1; }
	.phtlms-course-hero { padding-block: 36px 30px; margin-bottom: 30px; }
	.phtlms-course-block { margin-bottom: 32px; }

	/* Lesson: nav becomes a collapsible <details> stacked above content. */
	.phtlms-lesson-shell { grid-template-columns: 1fr; }
	.phtlms-lesson-nav { position: static; border-right: 0; border-bottom: 1px solid var(--phtlms-border); padding: 18px 20px; }
	.phtlms-lesson-body { padding: 24px 20px 48px; }
}
@media (max-width: 560px) {
	.phtlms-lesson__meta { gap: 6px; }
	.phtlms-lesson__type { display: none; }
	.phtlms-enroll-card { padding: 20px; }
	.phtlms-lesson-topbar__inner { padding: 12px 16px; }
	.phtlms-lesson-topbar__progress { display: none; }
	.phtlms-lesson-foot { gap: 12px; }
	.phtlms-lesson-foot__actions { width: 100%; }
	.phtlms-navbtn--next { margin-left: auto; }
}

/* Lesson → linked quizzes */
.phtlms-lesson-quizzes {
	margin: 24px 0;
	padding: 16px 18px;
	border: 1px solid var(--phtlms-border, #e2e8ef);
	border-radius: var(--phtlms-radius, 10px);
	background: #f8fafc;
}
.phtlms-lesson-quizzes__title { margin: 0 0 10px; font-size: 1.05rem; }
.phtlms-lesson-quizzes__list { list-style: none; margin: 0; padding: 0; }
.phtlms-lesson-quizzes__item {
	display: flex; align-items: center; gap: 12px;
	padding: 8px 0; border-top: 1px solid var(--phtlms-border, #e2e8ef);
}
.phtlms-lesson-quizzes__item:first-child { border-top: 0; }
.phtlms-lesson-quizzes__name { flex: 1; font-weight: 600; }
.phtlms-lesson-quizzes__locked {
	display: inline-flex; align-items: center; gap: 6px;
	color: var(--phtlms-muted, #64748b); font-size: .9rem;
}

/* Quiz → back-to-lesson link */
.phtlms-quiz-back {
	display: inline-block; margin-bottom: 12px;
	color: var(--phtlms-muted, #64748b); text-decoration: none; font-size: .9rem;
}
.phtlms-quiz-back:hover { color: var(--phtlms-accent, #2563eb); }