/* ============================================
   Soulution Nest — Premium Bookshelf
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,500;0,700;1,500&family=Inter:wght@400;500;600;700&display=swap');

/* Brand variables live at :root so they also reach the purchase modal,
   which sits outside the .snei-bookshelf-section wrapper in the markup.
   Override these from Settings → Premium Sections, no code needed. */
:root {
	--snei-ink: #171411;
	--snei-cream: #faf6ef;
	--snei-gold: #c9a44c;
	--snei-gold-soft: #e7d4a4;
	--snei-muted: #6b6258;
}

.snei-bookshelf-section {
	--snei-header-heading: var(--snei-ink);
	--snei-header-body: var(--snei-muted);
	--snei-filter-border: #e3dac3;
	--snei-filter-text: var(--snei-muted);
	max-width: 1200px; margin: 0 auto; padding: 70px 24px;
	font-family: 'Inter', sans-serif; color: var(--snei-ink);
}

.snei-filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; }
.snei-filter-btn {
	background: transparent; border: 1px solid var(--snei-filter-border); color: var(--snei-filter-text);
	padding: 9px 20px; border-radius: 30px; font-size: 13px; font-weight: 600; cursor: pointer;
	transition: all .25s ease;
}
.snei-filter-btn:hover { border-color: var(--snei-gold); color: var(--snei-header-heading); }
.snei-filter-btn.active { background: var(--snei-ink); color: var(--snei-gold-soft); border-color: var(--snei-ink); }

.snei-book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.snei-book-card { transition: transform .3s ease; }
.snei-book-card:hover { transform: translateY(-6px); }
.snei-book-card.snei-hidden { display: none; }

.snei-book-cover {
	height: 420px; border-radius: 12px; background-size: cover; background-position: center;
	background-color: #ece5d4; position: relative; box-shadow: 0 18px 36px -16px rgba(23,20,17,0.28);
	margin-bottom: 16px;
}
.snei-badge {
	position: absolute; top: 12px; padding: 5px 12px; border-radius: 30px;
	font-size: 11px; font-weight: 700; letter-spacing: .5px;
}
.snei-badge-free { left: 12px; background: #2f7d4f; color: #fff; }
.snei-badge-price { left: 12px; background: var(--snei-ink); color: var(--snei-gold-soft); }
.snei-badge-audio { right: 12px; background: rgba(255,255,255,0.92); }

.snei-book-info h4 { font-family: 'Playfair Display', serif; font-size: 17px; margin: 0 0 4px; line-height: 1.3; }
.snei-book-author { font-size: 13px; color: var(--snei-muted); margin: 0 0 14px; }
.snei-format-buttons { display: flex; flex-direction: column; gap: 8px; }
.snei-book-btn {
	width: 100%; padding: 11px 10px; border-radius: 8px; border: none; cursor: pointer;
	background: var(--snei-ink); color: var(--snei-gold-soft); font-weight: 600; font-size: 13px;
	transition: background .25s ease; text-align: center;
}
.snei-book-btn:hover { background: var(--snei-gold); color: var(--snei-ink); }

/* Modal */
.snei-modal-overlay {
	position: fixed; inset: 0; background: rgba(23,20,17,0.7); backdrop-filter: blur(3px);
	display: none; align-items: center; justify-content: center; z-index: 99999; padding: 20px;
}
.snei-modal-overlay.open { display: flex; }
.snei-modal {
	background: var(--snei-cream); border-radius: 16px; max-width: 420px; width: 100%;
	padding: 36px 32px; position: relative; font-family: 'Inter', sans-serif;
	box-shadow: 0 40px 80px -20px rgba(0,0,0,0.45);
}
.snei-modal-close {
	position: absolute; top: 14px; right: 18px; background: none; border: none;
	font-size: 24px; cursor: pointer; color: var(--snei-muted);
}
.snei-modal h3 { font-family: 'Playfair Display', serif; font-size: 22px; margin: 0 0 6px; }
.snei-modal #snei-modal-sub { color: var(--snei-muted); font-size: 13px; margin: 0 0 20px; }
.snei-modal label { display: block; font-size: 12px; font-weight: 600; margin: 14px 0 6px; color: var(--snei-ink); }
.snei-modal input[type="text"], .snei-modal input[type="email"] {
	width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid #ddd2b3; font-size: 14px;
	box-sizing: border-box;
}
.snei-modal-note { font-size: 12px; color: var(--snei-muted); margin: 14px 0 18px; }
.snei-pay-btn {
	display: block; width: 100%; text-align: center; padding: 12px 0; border-radius: 8px; border: none;
	background: var(--snei-ink); color: var(--snei-gold-soft); font-weight: 700; font-size: 15px; cursor: pointer;
	text-decoration: none;
}
.snei-pay-btn:hover { background: var(--snei-gold); color: var(--snei-ink); }
.snei-cancel-btn {
	display: block; width: 100%; text-align: center; padding: 10px 0; margin-top: 8px;
	background: none; border: none; color: var(--snei-muted); font-size: 13px; cursor: pointer;
}
.snei-success-msg { font-size: 15px; margin-bottom: 18px; }
.snei-error-msg { font-size: 14px; color: #a3372f; margin: 0; }
.snei-pay-btn.snei-loading { opacity: .6; pointer-events: none; }

@media (max-width: 980px) { .snei-book-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .snei-book-grid { grid-template-columns: 1fr; } }