/* === HATEDUONE STYLE – PANEL TẠO n BÀI TOÁN (ORCHID) === */ :root { –primary: #1a73e8; –primary-hover: #155ab6; –bg-light: #f4f7f9; –card: #ffffff; –text: #1f2937; –muted: #6b7280; –radius: 10px; –shadow:
cùng thầy Hà Anh Tuấn
/* === HATEDUONE STYLE – PANEL TẠO n BÀI TOÁN (ORCHID) === */ :root { –primary: #1a73e8; –primary-hover: #155ab6; –bg-light: #f4f7f9; –card: #ffffff; –text: #1f2937; –muted: #6b7280; –radius: 10px; –shadow: