@import url("../unit-2/unit2.css");
:root{--ink:#17251f;--green:#176b55;--deep:#123e35;--mint:#dff3ea;--cream:#f6faf7;--gold:#d87924;--line:#c8ddd4;--muted:#587069}
.unit-header,.assessment-card{background:linear-gradient(115deg,#123e35,#176b55)}
.lesson-card:hover{border-color:#d87924;box-shadow:0 12px 30px rgba(18,62,53,.12)}
.lesson-card.complete{border-color:#176b55;background:#f1faf6}
.card-number,.eyebrow{color:#b85f16}
.progress-fill{background:linear-gradient(90deg,#176b55,#49a886)}
.activity{border-left-color:#d87924}
.choice:has(input:checked){border-color:#176b55;background:#edf8f3}
.diagram{background:linear-gradient(145deg,#f5fbf8,#fff8ed)}