/* ==========================================================================
   YouTube AI Generator - Front-end Styles
   ========================================================================== */

.yt-ai-gen-wrapper {
	--yt-ai-gen-primary: #ff0033;
	--yt-ai-gen-primary-dark: #d40029;
	--yt-ai-gen-bg: #ffffff;
	--yt-ai-gen-border: #eaeaef;
	--yt-ai-gen-text: #1a1a2e;
	--yt-ai-gen-muted: #6b7280;
	--yt-ai-gen-pill-bg: #f3f4f8;
	--yt-ai-gen-pill-text: #33334d;

	max-width: 780px;
	margin: 2rem auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--yt-ai-gen-text);
	box-sizing: border-box;
}

.yt-ai-gen-wrapper * ,
.yt-ai-gen-wrapper *::before,
.yt-ai-gen-wrapper *::after {
	box-sizing: border-box;
}

.yt-ai-gen-card {
	background: var(--yt-ai-gen-bg);
	border: 1px solid var(--yt-ai-gen-border);
	border-radius: 16px;
	padding: 1.75rem;
	margin-bottom: 1.25rem;
	box-shadow: 0 4px 20px rgba(20, 20, 43, 0.06);
	transition: box-shadow 0.2s ease;
}

.yt-ai-gen-card:hover {
	box-shadow: 0 8px 28px rgba(20, 20, 43, 0.09);
}

.yt-ai-gen-input-row {
	display: flex;
	gap: 0.75rem;
	flex-wrap: wrap;
}

.yt-ai-gen-input {
	flex: 1 1 260px;
	padding: 0.9rem 1.1rem;
	font-size: 1rem;
	border: 1.5px solid var(--yt-ai-gen-border);
	border-radius: 12px;
	outline: none;
	background: #fafafe;
	color: var(--yt-ai-gen-text);
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.yt-ai-gen-input:focus {
	border-color: var(--yt-ai-gen-primary);
	box-shadow: 0 0 0 4px rgba(255, 0, 51, 0.1);
	background: #ffffff;
}

.yt-ai-gen-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	padding: 0.9rem 1.5rem;
	font-size: 1rem;
	font-weight: 600;
	border: none;
	border-radius: 12px;
	cursor: pointer;
	white-space: nowrap;
	transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.yt-ai-gen-btn:active {
	transform: scale(0.98);
}

.yt-ai-gen-btn-primary {
	background: linear-gradient(135deg, var(--yt-ai-gen-primary), var(--yt-ai-gen-primary-dark));
	color: #ffffff;
	box-shadow: 0 6px 18px rgba(255, 0, 51, 0.28);
	flex: 1 1 260px;
}

.yt-ai-gen-btn-primary:hover:not(:disabled) {
	box-shadow: 0 8px 22px rgba(255, 0, 51, 0.35);
}

.yt-ai-gen-btn-primary:disabled {
	opacity: 0.75;
	cursor: not-allowed;
	transform: none;
}

.yt-ai-gen-btn-secondary {
	background: var(--yt-ai-gen-pill-bg);
	color: var(--yt-ai-gen-text);
	width: 100%;
}

.yt-ai-gen-btn-secondary:hover {
	background: #e9e9f2;
}

.yt-ai-gen-spinner {
	display: none;
	width: 18px;
	height: 18px;
	border: 2.5px solid rgba(255, 255, 255, 0.4);
	border-top-color: #ffffff;
	border-radius: 50%;
	animation: yt-ai-gen-spin 0.7s linear infinite;
	flex-shrink: 0;
}

.yt-ai-gen-btn-primary.is-loading .yt-ai-gen-spinner {
	display: inline-block;
}

@keyframes yt-ai-gen-spin {
	to {
		transform: rotate(360deg);
	}
}

.yt-ai-gen-error {
	margin-top: 1rem;
	padding: 0.85rem 1.1rem;
	background: #fff1f1;
	border: 1px solid #ffd2d2;
	color: #b3001b;
	border-radius: 10px;
	font-size: 0.92rem;
}

.yt-ai-gen-box-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
	margin-bottom: 1rem;
}

.yt-ai-gen-box-header h3 {
	margin: 0;
	font-size: 1.1rem;
	font-weight: 700;
	color: var(--yt-ai-gen-text);
}

.yt-ai-gen-copy-btn {
	padding: 0.45rem 0.95rem;
	font-size: 0.85rem;
	font-weight: 600;
	background: var(--yt-ai-gen-pill-bg);
	color: var(--yt-ai-gen-text);
	border: 1px solid var(--yt-ai-gen-border);
	border-radius: 999px;
	cursor: pointer;
	transition: background 0.15s ease, transform 0.15s ease;
	white-space: nowrap;
}

.yt-ai-gen-copy-btn:hover {
	background: #e9e9f2;
}

.yt-ai-gen-copy-btn:active {
	transform: scale(0.96);
}

.yt-ai-gen-copy-btn.is-copied {
	background: #e4f9ee;
	color: #14804a;
	border-color: #b9ecd2;
}

.yt-ai-gen-titles-list {
	margin: 0;
	padding-left: 1.4rem;
}

.yt-ai-gen-titles-list li {
	padding: 0.55rem 0;
	line-height: 1.5;
	border-bottom: 1px dashed var(--yt-ai-gen-border);
}

.yt-ai-gen-titles-list li:last-child {
	border-bottom: none;
}

.yt-ai-gen-pill-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.yt-ai-gen-pill {
	display: inline-block;
	padding: 0.4rem 0.85rem;
	background: var(--yt-ai-gen-pill-bg);
	color: var(--yt-ai-gen-pill-text);
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 500;
	white-space: nowrap;
}

.yt-ai-gen-copy-all-row {
	margin-top: 0.25rem;
}

/* Responsive tweaks */
@media (max-width: 600px) {
	.yt-ai-gen-wrapper {
		margin: 1rem auto;
		padding: 0 0.25rem;
	}

	.yt-ai-gen-card {
		padding: 1.25rem;
		border-radius: 14px;
	}

	.yt-ai-gen-input-row {
		flex-direction: column;
	}

	.yt-ai-gen-btn-primary {
		width: 100%;
	}

	.yt-ai-gen-box-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.yt-ai-gen-copy-btn {
		width: 100%;
		text-align: center;
	}
}