/* Creator Academy Hub — Academic Framework Layer
   Adds official-grade academy structure: Units, Homework, Coursework, Exams, grade bands, criteria, and textbook-style lesson blocks.
*/

:root {
	--academic-ink: #f8fafc;
	--academic-muted: #cbd5e1;
	--academic-line: rgba(148, 163, 184, 0.22);
	--academic-blue: #38bdf8;
	--academic-green: #22c55e;
	--academic-gold: #facc15;
	--academic-purple: #a78bfa;
}

.academic-framework-ribbon {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
	gap: 14px;
	margin: 20px 0;
}

.academic-framework-tile {
	background:
		linear-gradient(180deg, rgba(15, 23, 42, 0.88), rgba(2, 6, 23, 0.82));
	border: 1px solid var(--academic-line);
	border-radius: 18px;
	padding: 16px;
	box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 18px 48px rgba(0,0,0,0.22);
}

.academic-framework-tile span {
	display: block;
	color: #94a3b8;
	font-size: 12px;
	font-weight: 950;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin-bottom: 8px;
}

.academic-framework-tile strong {
	display: block;
	color: #7dd3fc;
	font-size: 22px;
	line-height: 1.15;
}

.academic-framework-tile p {
	margin-top: 8px;
	color: var(--academic-muted);
	line-height: 1.55;
	font-size: 14px;
}

.unit-code-pill {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 7px 11px;
	border-radius: 999px;
	background: rgba(167, 139, 250, 0.12);
	border: 1px solid rgba(167, 139, 250, 0.40);
	color: #ddd6fe;
	font-size: 12px;
	font-weight: 950;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin: 4px 6px 8px 0;
}

.grade-band-row {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 12px;
	margin: 18px 0;
}

.grade-band-card {
	background: rgba(17, 24, 39, 0.86);
	border: 1px solid var(--academic-line);
	border-radius: 16px;
	padding: 15px;
}

.grade-band-card h4 {
	color: #f8fafc;
	font-size: 18px;
	margin-bottom: 6px;
}

.grade-band-card p {
	color: var(--academic-muted);
	line-height: 1.55;
	font-size: 14px;
}

.grade-band-card.pass {
	border-color: rgba(34, 197, 94, 0.42);
}

.grade-band-card.merit {
	border-color: rgba(56, 189, 248, 0.42);
}

.grade-band-card.distinction {
	border-color: rgba(250, 204, 21, 0.48);
}

.grade-band-card.mastery {
	border-color: rgba(167, 139, 250, 0.50);
}

.academic-tabs {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 20px 0;
}

.academic-tabs button {
	background: rgba(30, 41, 59, 0.82) !important;
	color: #e2e8f0 !important;
	border: 1px solid rgba(148, 163, 184, 0.22) !important;
}

.academic-tabs button.active {
	background: linear-gradient(180deg, #38bdf8, #22a8df) !important;
	color: #020617 !important;
	border-color: rgba(56, 189, 248, 0.74) !important;
}

.academic-definition-panel {
	background:
		radial-gradient(circle at 12% 0%, rgba(56, 189, 248, 0.13), transparent 32%),
		linear-gradient(180deg, rgba(15, 23, 42, 0.94), rgba(2, 6, 23, 0.94));
	border: 1px solid rgba(56, 189, 248, 0.28);
	border-radius: 24px;
	padding: 22px;
	margin: 18px 0;
	box-shadow: 0 22px 64px rgba(0,0,0,0.28);
}

.academic-definition-panel h3 {
	color: #7dd3fc;
	font-size: 25px;
	margin-bottom: 10px;
	letter-spacing: -0.03em;
}

.academic-definition-panel p,
.academic-definition-panel li {
	color: var(--academic-muted);
	line-height: 1.72;
}

.academic-definition-panel ul,
.academic-definition-panel ol {
	margin: 12px 0 0 22px;
}

.textbook-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 14px;
	margin: 18px 0;
}

.textbook-card {
	background: rgba(17, 24, 39, 0.86);
	border: 1px solid var(--academic-line);
	border-radius: 18px;
	padding: 16px;
}

.textbook-card h4 {
	color: #fde68a;
	font-size: 18px;
	margin-bottom: 8px;
}

.textbook-card p,
.textbook-card li {
	color: var(--academic-muted);
	line-height: 1.62;
	font-size: 14px;
}

.homework-card {
	background:
		radial-gradient(circle at 18% 0%, rgba(34, 197, 94, 0.12), transparent 32%),
		linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(2, 6, 23, 0.92));
	border: 1px solid rgba(34, 197, 94, 0.34);
	border-radius: 22px;
	padding: 20px;
}

.exam-grade-badge {
	display: inline-block;
	padding: 6px 10px;
	border-radius: 999px;
	background: rgba(250, 204, 21, 0.12);
	border: 1px solid rgba(250, 204, 21, 0.38);
	color: #fde68a;
	font-size: 12px;
	font-weight: 950;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin-bottom: 10px;
}

.academic-quality-note {
	margin-top: 14px;
	background: rgba(56, 189, 248, 0.10);
	border: 1px solid rgba(56, 189, 248, 0.34);
	border-radius: 15px;
	padding: 14px;
	color: #dbeafe;
	line-height: 1.62;
	font-weight: 700;
}

.official-wording {
	color: #f8fafc;
	font-weight: 800;
}

.homework-status {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 7px 11px;
	border-radius: 999px;
	background: rgba(34, 197, 94, 0.12);
	border: 1px solid rgba(34, 197, 94, 0.36);
	color: #bbf7d0;
	font-size: 12px;
	font-weight: 900;
	margin-bottom: 10px;
}

@media (max-width: 760px) {
	.academic-framework-ribbon,
	.textbook-grid,
	.grade-band-row {
		grid-template-columns: 1fr;
	}
}