/*
 * Universal GIF Downloader — frontend styles.
 * Vanilla CSS, responsive, accessible, with dark-mode and reduced-motion support.
 */

:root {
	--ugd-bg: #f5f7fb;
	--ugd-surface: #ffffff;
	--ugd-surface-2: #f0f3f9;
	--ugd-text: #1a2233;
	--ugd-muted: #5b6474;
	--ugd-border: #dfe4ee;
	--ugd-primary: #4f46e5;
	--ugd-primary-hover: #4338ca;
	--ugd-primary-text: #ffffff;
	--ugd-danger: #b91c1c;
	--ugd-danger-bg: #fdecec;
	--ugd-success: #15803d;
	--ugd-radius: 14px;
	--ugd-radius-sm: 9px;
	--ugd-shadow: 0 10px 30px rgba(20, 30, 60, 0.08);
	--ugd-focus: #6366f1;
	--ugd-max: 1080px;
}

@media (prefers-color-scheme: dark) {
	:root {
		--ugd-bg: #0e1220;
		--ugd-surface: #171d2e;
		--ugd-surface-2: #1f2740;
		--ugd-text: #e8ecf5;
		--ugd-muted: #9aa4b8;
		--ugd-border: #2a3350;
		--ugd-primary: #6d67f0;
		--ugd-primary-hover: #837ef5;
		--ugd-danger: #f87171;
		--ugd-danger-bg: #2a1a1a;
		--ugd-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--ugd-bg);
	color: var(--ugd-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

img {
	max-width: 100%;
	height: auto;
}

a {
	color: var(--ugd-primary);
}

.ugd-container {
	width: 100%;
	max-width: var(--ugd-max);
	margin-inline: auto;
	padding-inline: 20px;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.ugd-skip-link:focus {
	position: fixed;
	top: 10px;
	left: 10px;
	width: auto;
	height: auto;
	clip: auto;
	z-index: 1000;
	background: var(--ugd-surface);
	color: var(--ugd-text);
	padding: 10px 16px;
	border-radius: var(--ugd-radius-sm);
	box-shadow: var(--ugd-shadow);
}

/* Header */
.ugd-site-header {
	background: var(--ugd-surface);
	border-bottom: 1px solid var(--ugd-border);
}

.ugd-site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding-block: 16px;
	flex-wrap: wrap;
}

.ugd-branding {
	display: flex;
	align-items: center;
	gap: 12px;
}

.ugd-site-title {
	font-weight: 700;
	font-size: 1.15rem;
	color: var(--ugd-text);
	text-decoration: none;
}

.ugd-menu,
.ugd-footer-menu {
	display: flex;
	gap: 18px;
	list-style: none;
	margin: 0;
	padding: 0;
	flex-wrap: wrap;
}

.ugd-menu a,
.ugd-footer-links a {
	color: var(--ugd-muted);
	text-decoration: none;
	font-size: 0.95rem;
}

.ugd-menu a:hover {
	color: var(--ugd-text);
}

/* Hero */
.ugd-hero {
	text-align: center;
	padding-block: 56px 24px;
}

.ugd-hero__title {
	font-size: clamp(1.8rem, 4vw, 2.75rem);
	line-height: 1.15;
	margin: 0 0 12px;
	letter-spacing: -0.02em;
}

.ugd-hero__desc {
	max-width: 640px;
	margin: 0 auto;
	color: var(--ugd-muted);
	font-size: 1.05rem;
}

/* Tool / form */
.ugd-tool {
	padding-bottom: 32px;
}

.ugd-app {
	background: var(--ugd-surface);
	border: 1px solid var(--ugd-border);
	border-radius: var(--ugd-radius);
	box-shadow: var(--ugd-shadow);
	padding: 24px;
	max-width: 760px;
	margin-inline: auto;
}

.ugd-form__label {
	display: block;
	font-weight: 600;
	margin-bottom: 8px;
	font-size: 0.95rem;
}

.ugd-form__row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}

.ugd-input {
	flex: 1 1 260px;
	min-width: 0;
	padding: 13px 15px;
	font-size: 1rem;
	color: var(--ugd-text);
	background: var(--ugd-surface-2);
	border: 1px solid var(--ugd-border);
	border-radius: var(--ugd-radius-sm);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ugd-input::placeholder {
	color: var(--ugd-muted);
}

.ugd-input:focus {
	outline: none;
	border-color: var(--ugd-focus);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--ugd-focus) 30%, transparent);
}

.ugd-form__buttons {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.ugd-btn {
	appearance: none;
	border: 1px solid transparent;
	border-radius: var(--ugd-radius-sm);
	padding: 12px 18px;
	font-size: 0.98rem;
	font-weight: 600;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	text-decoration: none;
	transition: background-color 0.15s ease, transform 0.05s ease, border-color 0.15s ease;
	line-height: 1.2;
}

.ugd-btn:focus-visible {
	outline: 3px solid var(--ugd-focus);
	outline-offset: 2px;
}

.ugd-btn:active {
	transform: translateY(1px);
}

.ugd-btn--primary {
	background: var(--ugd-primary);
	color: var(--ugd-primary-text);
}

.ugd-btn--primary:hover {
	background: var(--ugd-primary-hover);
}

.ugd-btn--ghost {
	background: transparent;
	color: var(--ugd-text);
	border-color: var(--ugd-border);
}

.ugd-btn--ghost:hover {
	background: var(--ugd-surface-2);
}

.ugd-btn[disabled],
.ugd-btn.is-loading {
	opacity: 0.7;
	cursor: not-allowed;
}

/* Spinner */
.ugd-spinner {
	display: none;
	width: 16px;
	height: 16px;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: ugd-spin 0.7s linear infinite;
}

.ugd-spinner--large {
	width: 22px;
	height: 22px;
	border-width: 3px;
	display: inline-block;
	color: var(--ugd-primary);
}

.ugd-btn.is-loading .ugd-spinner {
	display: inline-block;
}

.ugd-btn.is-loading .ugd-btn__label {
	opacity: 0.85;
}

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

/* Messages */
.ugd-validation {
	margin: 12px 0 0;
	color: var(--ugd-danger);
	font-size: 0.92rem;
	min-height: 1.2em;
}

.ugd-notice {
	margin: 14px 0 0;
	padding: 12px 14px;
	background: var(--ugd-surface-2);
	border-radius: var(--ugd-radius-sm);
	color: var(--ugd-muted);
	font-size: 0.88rem;
}

.ugd-loading {
	display: none;
	align-items: center;
	gap: 12px;
	justify-content: center;
	margin-top: 20px;
	color: var(--ugd-muted);
}

.ugd-loading.is-active {
	display: flex;
}

.ugd-error {
	margin-top: 18px;
	padding: 14px 16px;
	background: var(--ugd-danger-bg);
	color: var(--ugd-danger);
	border: 1px solid color-mix(in srgb, var(--ugd-danger) 35%, transparent);
	border-radius: var(--ugd-radius-sm);
	display: none;
	gap: 10px;
	align-items: flex-start;
}

.ugd-error.is-visible {
	display: flex;
}

.ugd-error__icon {
	flex: 0 0 auto;
	width: 22px;
	height: 22px;
	border-radius: 50%;
	background: var(--ugd-danger);
	color: #fff;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 0.85rem;
}

/* Results grid */
.ugd-results {
	margin-top: 24px;
}

.ugd-results__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.ugd-results__title {
	font-size: 1.2rem;
	margin: 0;
}

.ugd-badge {
	display: inline-block;
	margin-left: 8px;
	padding: 2px 8px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.25);
	font-size: 0.8rem;
}

.ugd-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
	gap: 16px;
}

.ugd-card {
	background: var(--ugd-surface-2);
	border: 1px solid var(--ugd-border);
	border-radius: var(--ugd-radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.ugd-card__preview {
	background: repeating-conic-gradient(#0000000d 0% 25%, transparent 0% 50%) 50% / 20px 20px;
	aspect-ratio: 4 / 3;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
}

.ugd-card__preview img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.ugd-card__body {
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	flex: 1;
}

.ugd-card__name {
	margin: 0;
	font-weight: 600;
	font-size: 0.92rem;
	word-break: break-all;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

.ugd-card__meta {
	margin: 0;
	display: grid;
	gap: 4px;
	font-size: 0.82rem;
	color: var(--ugd-muted);
}

.ugd-card__meta div {
	display: flex;
	justify-content: space-between;
	gap: 8px;
}

.ugd-card__meta dt {
	font-weight: 600;
}

.ugd-card__meta dd {
	margin: 0;
	text-align: right;
	word-break: break-all;
}

.ugd-card__download {
	margin-top: auto;
	justify-content: center;
}

/* Content sections */
.ugd-section {
	padding-block: 32px;
}

.ugd-section h2 {
	font-size: 1.4rem;
	margin-top: 0;
}

.ugd-list,
.ugd-steps {
	padding-left: 1.2em;
	color: var(--ugd-muted);
}

.ugd-list li,
.ugd-steps li {
	margin-bottom: 8px;
}

.ugd-faq__item {
	border-top: 1px solid var(--ugd-border);
	padding-top: 16px;
	margin-top: 16px;
}

.ugd-faq__item h3 {
	margin: 0 0 6px;
	font-size: 1.05rem;
}

.ugd-faq__item p {
	margin: 0;
	color: var(--ugd-muted);
}

/* Generic content pages */
.ugd-content {
	padding-block: 40px;
}

.ugd-entry {
	background: var(--ugd-surface);
	border: 1px solid var(--ugd-border);
	border-radius: var(--ugd-radius);
	padding: 24px;
	margin-bottom: 24px;
}

.ugd-entry__title {
	margin-top: 0;
}

.ugd-404 {
	text-align: center;
}

/* Footer */
.ugd-site-footer {
	background: var(--ugd-surface);
	border-top: 1px solid var(--ugd-border);
	margin-top: 40px;
}

.ugd-site-footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding-block: 20px;
	flex-wrap: wrap;
}

.ugd-copyright {
	margin: 0;
	color: var(--ugd-muted);
	font-size: 0.9rem;
}

.ugd-footer-links {
	display: flex;
	gap: 16px;
	flex-wrap: wrap;
}

.ugd-footer-links a {
	color: var(--ugd-muted);
	text-decoration: none;
	font-size: 0.9rem;
}

/* Small screens */
@media (max-width: 560px) {
	.ugd-form__buttons {
		width: 100%;
	}

	.ugd-form__buttons .ugd-btn {
		flex: 1;
		justify-content: center;
	}

	.ugd-btn--primary#ugd-submit {
		flex-basis: 100%;
	}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
	}
}