/* MUL Ebooks Grid — brand +umlead navy #0D1B3D + orange #FF6B1A + Poppins */
.mul-ebooks-wrap { max-width: 1180px; margin: 0 auto; padding: 48px 24px; font-family: 'Poppins', system-ui, sans-serif; color: #1A1A1A; }
.mul-hero { text-align: center; margin-bottom: 56px; }
.mul-eyebrow { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: #FF6B1A; font-weight: 700; margin-bottom: 16px; }
.mul-hero h1 { font-size: 44px; margin: 0 0 20px; color: #0D1B3D; font-weight: 700; line-height: 1.1; letter-spacing: -1px; }
.mul-sub { font-size: 17px; line-height: 1.6; color: #5A5F70; max-width: 720px; margin: 0 auto 24px; }
.mul-progress-hint { font-size: 14px; color: #5A5F70; }
.mul-progress-hint strong { color: #FF6B1A; }
.mul-badge { display: inline-block; margin-top: 8px; padding: 6px 12px; background: rgba(255,107,26,0.1); border-radius: 12px; color: #FF6B1A; font-weight: 600; font-size: 13px; }
.mul-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.mul-card { background: #fff; border: 1px solid #E0E1DE; border-radius: 16px; padding: 28px 24px; position: relative; transition: all 0.2s; display: flex; flex-direction: column; }
.mul-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(13,27,61,0.12); border-color: #FF6B1A; }
.mul-card.is-locked { opacity: 0.85; }
.mul-card.is-locked::before { content: "🔒"; position: absolute; top: 16px; right: 16px; font-size: 18px; }
.mul-card.is-unlocked::before { content: "✓"; position: absolute; top: 12px; right: 14px; font-size: 14px; width: 28px; height: 28px; background: #0FA968; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; }
.mul-card-num { font-family: 'JetBrains Mono', monospace; font-size: 14px; color: #FF6B1A; font-weight: 700; margin-bottom: 12px; letter-spacing: 2px; }
.mul-card-meta { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.mul-tag { background: #EEEEEC; color: #5A5F70; padding: 4px 10px; border-radius: 6px; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; }
.mul-tag-time { background: rgba(13,27,61,0.08); color: #0D1B3D; }
.mul-card h3 { margin: 0 0 8px; color: #0D1B3D; font-size: 20px; line-height: 1.3; }
.mul-card p { margin: 0 0 20px; color: #5A5F70; font-size: 14px; line-height: 1.5; flex: 1; }
.mul-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border-radius: 8px; font-weight: 600; font-size: 14px; text-decoration: none; border: none; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.mul-btn-primary { background: #FF6B1A; color: #0D1B3D; }
.mul-btn-primary:hover { background: #FF8A3D; transform: translateY(-1px); }
.mul-btn-block { width: 100%; }
.mul-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.mul-locked-hint { display: block; margin-top: 10px; color: #5A5F70; font-size: 11px; text-align: center; font-style: italic; }
/* Modal */
.mul-modal { position: fixed; inset: 0; background: rgba(13,27,61,0.7); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 99999; padding: 24px; }
.mul-modal[hidden] { display: none; }
.mul-modal-box { background: #fff; border-radius: 20px; padding: 40px; max-width: 520px; width: 100%; max-height: 90vh; overflow-y: auto; position: relative; box-shadow: 0 24px 80px rgba(0,0,0,0.4); }
.mul-modal-x { position: absolute; top: 12px; right: 16px; background: none; border: none; font-size: 32px; cursor: pointer; color: #5A5F70; line-height: 1; padding: 0; width: 36px; height: 36px; border-radius: 50%; }
.mul-modal-x:hover { background: #EEEEEC; color: #0D1B3D; }
.mul-modal-eyebrow { font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: #FF6B1A; font-weight: 700; margin-bottom: 8px; }
.mul-modal-box h2 { margin: 0 0 12px; color: #0D1B3D; font-size: 26px; }
.mul-modal-sub { color: #5A5F70; font-size: 14px; margin: 0 0 24px; line-height: 1.5; }
.mul-field { margin-bottom: 14px; }
.mul-field label { display: block; font-size: 13px; font-weight: 600; color: #0D1B3D; margin-bottom: 4px; }
.mul-field input { width: 100%; padding: 10px 12px; border: 1px solid #D1D1D1; border-radius: 8px; font-family: inherit; font-size: 14px; box-sizing: border-box; }
.mul-field input:focus { outline: none; border-color: #FF6B1A; box-shadow: 0 0 0 3px rgba(255,107,26,0.2); }
.mul-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mul-check { display: flex; gap: 10px; margin: 16px 0 24px; font-size: 12px; color: #5A5F70; line-height: 1.5; }
.mul-check input { margin-top: 3px; flex-shrink: 0; }
.mul-check a { color: #FF6B1A; }
.mul-error { background: rgba(217,52,43,0.1); color: #D9342B; padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 14px; }
@media (max-width: 720px) {
	.mul-hero h1 { font-size: 32px; }
	.mul-grid { grid-template-columns: 1fr; }
	.mul-grid-2 { grid-template-columns: 1fr; }
	.mul-modal-box { padding: 28px 20px; }
}