/* Nuskillz Courses — complements Community design tokens when both are active */
:root {
	--nkc-primary: #4F46E5;
	--nkc-primary-dark: #4338CA;
	--nkc-ink: #111827;
	--nkc-stone: #6B7280;
	--nkc-line: #E5E7EB;
	--nkc-card: #fff;
	--nkc-radius: 14px;
}

.nkc-view-header { margin-bottom: 20px; }
.nkc-view-header h1 { font-size: 22px; margin: 0 0 8px; color: var(--nkc-ink); }
.nkc-back { display: inline-block; margin-bottom: 12px; font-size: 13.5px; color: var(--nkc-stone); text-decoration: none; }

.nkc-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid transparent; border-radius: 9px; padding: 10px 18px; font-size: 13.5px; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.2; }
.nkc-btn-primary { background: var(--nkc-primary); color: #fff; }
.nkc-btn-primary:hover { background: var(--nkc-primary-dark); color: #fff; }
.nkc-btn-secondary { background: #fff; color: var(--nkc-ink); border-color: var(--nkc-line); }
.nkc-btn-sm { padding: 6px 12px; font-size: 12.5px; }

.nkc-card { background: var(--nkc-card); border: 1px solid var(--nkc-line); border-radius: var(--nkc-radius); padding: 18px 20px; margin-bottom: 14px; }
.nkc-empty { text-align: center; padding: 50px 20px; color: var(--nkc-stone); }
.nkc-empty-icon { font-size: 34px; margin-bottom: 10px; }
.nkc-meta { font-size: 12.5px; color: var(--nkc-stone); margin: 4px 0 8px; }

.nkc-course-grid, .nkc-resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.nkc-course-card { background: var(--nkc-card); border: 1px solid var(--nkc-line); border-radius: var(--nkc-radius); overflow: hidden; display: flex; flex-direction: column; }
.nkc-course-thumb { height: 120px; background-size: cover; background-position: center; display: block; }
.nkc-course-thumb-empty { display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #EEF2FF, #F5F3FF); font-size: 32px; text-decoration: none; }
.nkc-course-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.nkc-course-title { font-weight: 700; font-size: 14.5px; color: var(--nkc-ink); text-decoration: none; }

.nkc-progress-bar { height: 6px; background: #E5E7EB; border-radius: 4px; overflow: hidden; }
.nkc-progress-bar span { display: block; height: 100%; background: var(--nkc-primary); border-radius: 4px; }
.nkc-progress-bar-lg { height: 8px; margin-top: 8px; }
.nkc-progress-label { font-size: 12px; color: var(--nkc-stone); }

.nkc-player-layout { display: grid; grid-template-columns: 1fr 260px; gap: 22px; align-items: start; }
.nkc-lesson-title { font-size: 18px; margin: 0 0 14px; }
.nkc-video { border-radius: 12px; overflow: hidden; margin-bottom: 16px; background: #000; }
.nkc-video iframe, .nkc-video embed { width: 100%; aspect-ratio: 16/9; height: auto; display: block; }
.nkc-video-sm { margin: 10px 0; }
.nkc-lesson-content { font-size: 14.5px; line-height: 1.65; margin-bottom: 16px; color: var(--nkc-ink); }
.nkc-done-badge { display: inline-block; color: #059669; font-weight: 700; font-size: 13.5px; }

.nkc-chapter-label { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; color: var(--nkc-stone); margin: 14px 0 6px; padding: 0 4px; }
.nkc-chapter-label:first-child { margin-top: 0; }
.nkc-player-side .nkc-lesson-list { margin-bottom: 4px; }
.nkc-lesson-list { list-style: none; margin: 0; padding: 0; }
.nkc-lesson-list li a { display: flex; align-items: center; gap: 8px; padding: 9px 8px; border-radius: 8px; text-decoration: none; color: var(--nkc-ink); font-size: 13px; }
.nkc-lesson-list li a:hover { background: #F3F4F6; }
.nkc-lesson-list li.is-active a { background: #EEF2FF; color: var(--nkc-primary); font-weight: 700; }
.nkc-lesson-num { width: 22px; height: 22px; border-radius: 50%; background: #F3F4F6; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; flex-shrink: 0; }
.nkc-lesson-list li.is-done .nkc-lesson-num { background: #D1FAE5; color: #059669; }
.nkc-check { margin-left: auto; color: #059669; }

.nkc-live-card, .nkc-cert-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nkc-live-card h3, .nkc-resource-card h3 { margin: 0 0 4px; font-size: 15px; }
.nkc-resource-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.nkc-quiz-card { margin-top: 24px; }
.nkc-quiz-head h2 { margin: 0 0 6px; font-size: 18px; }
.nkc-quiz-head p { margin: 0 0 10px; color: var(--nkc-stone); font-size: 13.5px; }
.nkc-quiz-meta-row { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12.5px; color: var(--nkc-stone); margin-bottom: 16px; }
.nkc-quiz-question { border: 0; margin: 0 0 18px; padding: 0; }
.nkc-quiz-question legend { font-weight: 700; font-size: 14.5px; margin-bottom: 8px; padding: 0; }
.nkc-quiz-option { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--nkc-line); border-radius: 10px; margin-bottom: 8px; cursor: pointer; }
.nkc-quiz-option:hover { border-color: var(--nkc-primary); background: #F8FAFF; }
.nkc-quiz-option input { margin-top: 3px; }
.nkc-quiz-actions { margin-top: 8px; }
.nkc-quiz-result { margin-top: 14px; padding: 12px 14px; border-radius: 10px; font-weight: 600; font-size: 14px; }
.nkc-quiz-pass { background: #ECFDF5; color: #047857; }
.nkc-quiz-fail { background: #FEF2F2; color: #B91C1C; }
.nkc-cert-unlock { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; flex-wrap: wrap; }

.nkc-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 20px; }
.nkc-modal[hidden] { display: none !important; }
.nkc-modal-backdrop { position: absolute; inset: 0; background: rgba(17,24,39,0.55); }
.nkc-modal-body { position: relative; z-index: 1; max-width: 860px; width: 100%; }
.nkc-modal-close { position: absolute; top: 10px; right: 14px; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--nkc-stone); z-index: 3; }

.nkc-certificate { text-align: center; }
.nkc-certificate-sheet {
	position: relative;
	background: linear-gradient(180deg, #FFFEFA 0%, #FFFFFF 55%, #F8FAFF 100%);
	border: 1px solid #E5E7EB;
	border-radius: 4px;
	padding: 48px 40px 40px;
	box-shadow: 0 24px 60px rgba(17, 24, 39, 0.18);
	overflow: hidden;
	margin-bottom: 16px;
}
.nkc-certificate-sheet::before {
	content: '';
	position: absolute;
	inset: 14px;
	border: 2px solid #C7D2FE;
	border-radius: 2px;
	pointer-events: none;
}
.nkc-certificate-ornament {
	position: absolute;
	width: 56px;
	height: 56px;
	border: 2px solid #818CF8;
	opacity: 0.45;
	z-index: 1;
}
.nkc-certificate-ornament-tl { top: 22px; left: 22px; border-right: 0; border-bottom: 0; }
.nkc-certificate-ornament-tr { top: 22px; right: 22px; border-left: 0; border-bottom: 0; }
.nkc-certificate-ornament-bl { bottom: 22px; left: 22px; border-right: 0; border-top: 0; }
.nkc-certificate-ornament-br { bottom: 22px; right: 22px; border-left: 0; border-top: 0; }
.nkc-certificate-top { position: relative; z-index: 2; margin-bottom: 18px; }
.nkc-certificate-logo { max-height: 64px; max-width: 220px; object-fit: contain; margin: 0 auto 8px; display: block; }
.nkc-certificate-logo-icon { max-height: 56px; border-radius: 12px; }
.nkc-certificate-brand-text { font-weight: 800; font-size: 22px; color: var(--nkc-primary); letter-spacing: 0.04em; }
.nkc-certificate-eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: 0.18em; color: var(--nkc-stone); font-weight: 700; }
.nkc-certificate-title { position: relative; z-index: 2; font-size: 28px; font-weight: 800; color: #1E1B4B; margin: 8px 0 10px; font-family: Georgia, 'Times New Roman', serif; }
.nkc-certificate-divider { position: relative; z-index: 2; display: flex; justify-content: center; margin: 0 0 18px; }
.nkc-certificate-divider span { width: 72px; height: 3px; background: linear-gradient(90deg, #4F46E5, #7C3AED); border-radius: 3px; }
.nkc-certificate-presented, .nkc-certificate-for { position: relative; z-index: 2; color: var(--nkc-stone); font-size: 14px; margin: 0; }
.nkc-certificate-name { position: relative; z-index: 2; font-size: 34px; font-weight: 700; color: #111827; margin: 10px 0 8px; font-family: Georgia, 'Times New Roman', serif; }
.nkc-certificate-course { position: relative; z-index: 2; font-size: 18px; font-weight: 700; color: var(--nkc-primary-dark); margin: 8px 0 28px; }
.nkc-certificate-footer { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: end; max-width: 560px; margin: 0 auto; }
.nkc-certificate-sign { text-align: center; font-size: 11px; color: var(--nkc-stone); }
.nkc-certificate-sign-line { height: 1px; background: #CBD5E1; margin-bottom: 8px; }
.nkc-certificate-sign strong { display: block; color: #111827; font-size: 12.5px; margin-top: 2px; }
.nkc-certificate-seal {
	width: 72px; height: 72px; border-radius: 50%;
	background: radial-gradient(circle at 30% 30%, #A5B4FC, #4F46E5 70%);
	color: #fff; display: flex; align-items: center; justify-content: center;
	font-size: 10px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
	box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
	margin: 0 auto;
}

@media (max-width: 880px) {
	.nkc-player-layout { grid-template-columns: 1fr; }
	.nkc-live-card, .nkc-cert-row, .nkc-cert-unlock { flex-direction: column; align-items: flex-start; }
	.nkc-certificate-footer { grid-template-columns: 1fr; gap: 20px; }
	.nkc-certificate-name { font-size: 26px; }
	.nkc-certificate-title { font-size: 22px; }
}

@media print {
	.nkc-no-print, .nkc-modal-backdrop, .nkc-modal-close, .nkc-btn { display: none !important; }
	.nkc-modal { position: static; padding: 0; }
	.nkc-certificate-sheet { box-shadow: none; }
}