/*
 * Secure Download Area — Frontend
 * Scoped entirely to .sda-download-area
 */

/* ============================================================
   Custom Properties (PHP overrides these per-page)
   ============================================================ */
.sda-download-area {
	--sda-primary:     #2563eb;
	--sda-secondary:   #1d4ed8;
	--sda-bg:          #f8fafc;
	--sda-text:        #0f172a;
	--sda-btn:         #2563eb;
	--sda-btn-hover:   #1d4ed8;
	--sda-radius:      10px;

	/* Tokens */
	--sda-border:      #e2e8f0;
	--sda-muted:       #64748b;
	--sda-surface:     #ffffff;
	--sda-shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
	--sda-shadow-md:   0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
	--sda-shadow-lg:   0 8px 32px rgba(0,0,0,.1);
	--sda-ease:        cubic-bezier(.4,0,.2,1);
	--sda-dur:         .18s;

	font-family: inherit;
	color: var(--sda-text);
	box-sizing: border-box;
}

.sda-download-area *, .sda-download-area *::before, .sda-download-area *::after {
	box-sizing: inherit;
}

/* Utility */
.sda-hidden { display: none !important; }

/* ============================================================
   Area title
   ============================================================ */
.sda-area-title {
	font-size: 1.4rem;
	font-weight: 700;
	color: var(--sda-text);
	margin: 0 0 20px;
	padding-left: 14px;
	border-left: 3px solid var(--sda-primary);
	line-height: 1.3;
}

/* ============================================================
   Filter bar — compact, toolbar style
   ============================================================ */
.sda-filter-bar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	margin-bottom: 18px;
}

/* Search */
.sda-search-wrap {
	position: relative;
	flex: 1 1 200px;
	min-width: 160px;
}

.sda-search-input {
	width: 100%;
	height: 34px;
	padding: 0 34px 0 12px;
	font-size: 13px;
	color: var(--sda-text);
	background: var(--sda-surface);
	border: 1px solid var(--sda-border);
	border-radius: 17px;
	outline: none;
	transition: border-color var(--sda-dur) var(--sda-ease), box-shadow var(--sda-dur) var(--sda-ease);
}

.sda-search-input:focus {
	border-color: var(--sda-primary);
	box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.sda-search-icon {
	position: absolute;
	right: 11px;
	top: 50%;
	transform: translateY(-50%);
	color: var(--sda-muted);
	pointer-events: none;
	line-height: 0;
}

/* Filter selects — pill shape, lightweight */
.sda-selects {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	align-items: center;
}

.sda-filter-select,
.sda-sort-select {
	height: 34px;
	padding: 0 26px 0 11px;
	font-size: 12px;
	font-weight: 500;
	color: var(--sda-text);
	background: var(--sda-surface)
		url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='9' height='5' viewBox='0 0 9 5'%3E%3Cpath d='M0 0l4.5 5L9 0z' fill='%2364748b'/%3E%3C/svg%3E")
		no-repeat right 9px center;
	border: 1px solid var(--sda-border);
	border-radius: 17px;
	-webkit-appearance: none;
	appearance: none;
	cursor: pointer;
	outline: none;
	min-width: 0;
	max-width: 175px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	transition: border-color var(--sda-dur), box-shadow var(--sda-dur);
}

.sda-filter-select:focus,
.sda-sort-select:focus {
	border-color: var(--sda-primary);
	box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.sda-filter-select:hover,
.sda-sort-select:hover {
	border-color: #94a3b8;
}

/* View toggle */
.sda-view-toggle {
	display: flex;
	gap: 2px;
	margin-left: auto;
	background: var(--sda-surface);
	border: 1px solid var(--sda-border);
	border-radius: 17px;
	padding: 2px;
}

.sda-view-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	border: none;
	border-radius: 14px;
	background: transparent;
	color: var(--sda-muted);
	cursor: pointer;
	transition: background var(--sda-dur), color var(--sda-dur);
}

.sda-view-btn.active,
.sda-view-btn:hover {
	background: var(--sda-primary);
	color: #fff;
}

/* ============================================================
   Results info
   ============================================================ */
.sda-results-info {
	font-size: 12px;
	color: var(--sda-muted);
	margin: 0 0 14px;
}

/* ============================================================
   Grid
   ============================================================ */
.sda-items.sda-layout-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 18px;
}

/* ============================================================
   List
   ============================================================ */
.sda-items.sda-layout-list {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

/* ============================================================
   Item base
   ============================================================ */
.sda-item {
	display: flex;
	flex-direction: column;
	background: var(--sda-surface);
	border: 1px solid var(--sda-border);
	border-radius: var(--sda-radius);
	overflow: hidden;
	transition: box-shadow var(--sda-dur) var(--sda-ease), transform var(--sda-dur) var(--sda-ease);
}

.sda-item--shadow { box-shadow: var(--sda-shadow-sm); }
.sda-item--shadow:hover {
	box-shadow: var(--sda-shadow-md);
	transform: translateY(-2px);
}

/* ---- Grid card ---- */
.sda-item--grid {
	border-top: 3px solid var(--sda-primary);
}

.sda-item--grid .sda-item__body {
	padding: 16px 16px 10px;
	flex: 1;
}

.sda-item--grid .sda-item__footer {
	padding: 10px 16px 14px;
}

/* ---- List row ---- */
.sda-item--list {
	flex-direction: row;
	align-items: center;
	border-left: 3px solid var(--sda-primary);
	border-top: none;
}

.sda-item--list .sda-item__body {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	padding: 14px 14px;
	flex: 1;
	min-width: 0;
}

.sda-item--list .sda-item__footer {
	padding: 12px 14px;
	flex-shrink: 0;
}

/* ============================================================
   Extension badge
   ============================================================ */
.sda-item__ext-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: var(--sda-primary);
	color: #fff;
	font-size: 10px;
	font-weight: 700;
	letter-spacing: .07em;
	border-radius: 6px;
	padding: 5px 8px;
	flex-shrink: 0;
	line-height: 1;
	margin-bottom: 10px;
}

.sda-item__ext-badge--sm {
	width: 44px;
	height: 44px;
	border-radius: 8px;
	font-size: 10px;
	margin-bottom: 0;
	padding: 0;
}

/* ============================================================
   Item content
   ============================================================ */
.sda-item__content { flex: 1; min-width: 0; }

.sda-item__title {
	margin: 0 0 5px;
	font-size: 14px;
	font-weight: 600;
	color: var(--sda-text);
	line-height: 1.4;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.sda-item--grid .sda-item__title {
	white-space: normal;
	font-size: 15px;
}

.sda-item__excerpt {
	margin: 0 0 10px;
	font-size: 12px;
	color: var(--sda-muted);
	line-height: 1.5;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

/* Meta */
.sda-item__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 5px;
	margin-bottom: 8px;
}

.sda-badge {
	display: inline-flex;
	align-items: center;
	padding: 2px 7px;
	border-radius: 999px;
	font-size: 11px;
	font-weight: 600;
	line-height: 1.4;
	white-space: nowrap;
}

.sda-badge--type {
	background: #fef3c7;
	color: #92400e;
}

.sda-badge--cat {
	background: #dcfce7;
	color: #166534;
}

.sda-meta-item {
	display: inline-flex;
	align-items: center;
	gap: 3px;
	font-size: 11px;
	color: var(--sda-muted);
	white-space: nowrap;
}

/* Tags */
.sda-item__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
}

.sda-tag {
	padding: 2px 7px;
	background: #eff6ff;
	color: #1d4ed8;
	border-radius: 999px;
	font-size: 11px;
	font-weight: 500;
}

/* ============================================================
   Download button
   ============================================================ */
.sda-download-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 16px;
	background: var(--sda-btn);
	color: #fff !important;
	border: none;
	border-radius: calc( var(--sda-radius) - 2px );
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none !important;
	white-space: nowrap;
	transition: background var(--sda-dur) var(--sda-ease), box-shadow var(--sda-dur) var(--sda-ease), transform var(--sda-dur) var(--sda-ease);
	width: 100%;
	justify-content: center;
}

.sda-item--list .sda-download-btn {
	width: auto;
}

.sda-download-btn:hover:not([disabled]) {
	background: var(--sda-btn-hover);
	box-shadow: 0 4px 12px rgba(37,99,235,.3);
	transform: translateY(-1px);
}

.sda-download-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(37,99,235,.35);
}

.sda-download-btn[disabled] {
	opacity: .65;
	cursor: wait;
	transform: none;
}

.sda-no-file {
	font-size: 12px;
	color: var(--sda-muted);
	font-style: italic;
}

.sda-no-access {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 7px 12px;
	background: #fef9c3;
	color: #854d0e;
	border: 1px solid #fde68a;
	border-radius: calc( var(--sda-radius) - 2px );
	font-size: 12px;
	font-weight: 500;
	width: 100%;
	justify-content: center;
}

.sda-item--list .sda-no-access {
	width: auto;
}

.sda-download-error {
	margin: 5px 0 0;
	font-size: 12px;
	color: #dc2626;
	text-align: center;
}

/* ============================================================
   Pagination
   ============================================================ */
.sda-pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	margin-top: 28px;
}

.sda-page-btn {
	padding: 7px 16px;
	height: 34px;
	background: var(--sda-surface);
	border: 1px solid var(--sda-border);
	border-radius: 17px;
	font-size: 13px;
	font-weight: 500;
	color: var(--sda-text);
	cursor: pointer;
	transition: background var(--sda-dur), border-color var(--sda-dur), color var(--sda-dur);
}

.sda-page-btn:not([disabled]):hover {
	background: var(--sda-primary);
	border-color: var(--sda-primary);
	color: #fff;
}

.sda-page-btn[disabled] { opacity: .4; cursor: default; }

.sda-page-label { font-size: 13px; color: var(--sda-muted); }

/* ============================================================
   Loading
   ============================================================ */
.sda-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 48px;
}

.sda-spinner {
	width: 32px;
	height: 32px;
	border: 3px solid var(--sda-border);
	border-top-color: var(--sda-primary);
	border-radius: 50%;
	animation: sda-spin .65s linear infinite;
}

@keyframes sda-spin { to { transform: rotate(360deg); } }

/* No results */
.sda-no-results {
	grid-column: 1 / -1;
	text-align: center;
	padding: 56px 20px;
	color: var(--sda-muted);
	font-size: 14px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
	.sda-filter-bar {
		flex-direction: column;
		align-items: stretch;
	}

	.sda-search-wrap { flex: none; }

	.sda-selects {
		flex-wrap: nowrap;
		overflow-x: auto;
		padding-bottom: 2px;
		-webkit-overflow-scrolling: touch;
	}

	.sda-filter-select,
	.sda-sort-select {
		flex-shrink: 0;
	}

	.sda-view-toggle { margin-left: 0; align-self: flex-end; }

	.sda-items.sda-layout-grid { grid-template-columns: 1fr; }

	.sda-item--list {
		flex-direction: column;
		align-items: stretch;
		border-left: none;
		border-top: 3px solid var(--sda-primary);
	}

	.sda-item--list .sda-item__footer { padding-top: 0; }
}

@media (min-width: 601px) and (max-width: 900px) {
	.sda-items.sda-layout-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}