/*
 * AI Social Media Tag Generator -- frontend styles.
 * All selectors are prefixed with .aisg- to avoid colliding with theme
 * styles. Design tokens are scoped to .aisg-app so this plugin never
 * leaks variables into the surrounding theme.
 */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

.aisg-app {
	--aisg-navy-950: #10112B;
	--aisg-navy-900: #171938;
	--aisg-navy-800: #1F2247;
	--aisg-navy-700: #2A2E5C;
	--aisg-navy-600: #3B4079;
	--aisg-amber-400: #F5A623;
	--aisg-amber-300: #FFC466;
	--aisg-mint-400: #2FD9A8;
	--aisg-coral-400: #FF6E6C;
	--aisg-text-primary: #F3F1FF;
	--aisg-text-muted: #A9ACD6;
	--aisg-text-faint: #7B7EAA;
	--aisg-border: rgba(255, 255, 255, 0.08);
	--aisg-radius-lg: 20px;
	--aisg-radius-md: 14px;
	--aisg-radius-sm: 10px;
	--aisg-radius-pill: 999px;
	--aisg-font-display: 'Sora', 'Segoe UI', sans-serif;
	--aisg-font-body: 'Inter', 'Segoe UI', sans-serif;

	box-sizing: border-box;
	font-family: var(--aisg-font-body);
	color: var(--aisg-text-primary);
	background: linear-gradient(180deg, var(--aisg-navy-950) 0%, var(--aisg-navy-900) 100%);
	border-radius: var(--aisg-radius-lg);
	padding: clamp(20px, 4vw, 40px);
	max-width: 880px;
	margin: 0 auto;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}

.aisg-app *,
.aisg-app *::before,
.aisg-app *::after {
	box-sizing: border-box;
}

/* ---------------------------------------------------------------- */
/* Header                                                            */
/* ---------------------------------------------------------------- */

.aisg-header {
	display: flex;
	align-items: flex-start;
	gap: 16px;
	margin-bottom: 28px;
}

.aisg-header__badge {
	flex: 0 0 auto;
	width: 44px;
	height: 44px;
	border-radius: var(--aisg-radius-sm);
	background: linear-gradient(135deg, var(--aisg-amber-400), var(--aisg-coral-400));
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 20px;
	color: var(--aisg-navy-950);
}

.aisg-header__title {
	font-family: var(--aisg-font-display);
	font-weight: 700;
	font-size: clamp(20px, 3vw, 26px);
	margin: 0 0 6px;
	color: var(--aisg-text-primary);
	letter-spacing: -0.01em;
}

.aisg-header__subtitle {
	margin: 0;
	color: var(--aisg-text-muted);
	font-size: 14.5px;
	max-width: 56ch;
}

/* ---------------------------------------------------------------- */
/* Form                                                               */
/* ---------------------------------------------------------------- */

.aisg-form {
	background: var(--aisg-navy-800);
	border: 1px solid var(--aisg-border);
	border-radius: var(--aisg-radius-lg);
	padding: clamp(18px, 3vw, 28px);
}

.aisg-field-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

.aisg-field {
	margin-bottom: 18px;
}

.aisg-field:last-child {
	margin-bottom: 0;
}

.aisg-field label {
	display: block;
	font-size: 13.5px;
	font-weight: 600;
	margin-bottom: 8px;
	color: var(--aisg-text-primary);
}

.aisg-required {
	color: var(--aisg-coral-400);
}

.aisg-optional {
	color: var(--aisg-text-faint);
	font-weight: 400;
}

.aisg-input,
.aisg-textarea,
.aisg-select {
	width: 100%;
	background: var(--aisg-navy-900);
	border: 1px solid var(--aisg-border);
	border-radius: var(--aisg-radius-sm);
	padding: 12px 14px;
	color: var(--aisg-text-primary);
	font-family: var(--aisg-font-body);
	font-size: 14.5px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	appearance: none;
}

.aisg-textarea {
	resize: vertical;
	min-height: 64px;
}

.aisg-textarea--short {
	min-height: 48px;
}

.aisg-select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A9ACD6' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 14px center;
	padding-right: 36px;
	cursor: pointer;
}

.aisg-input::placeholder,
.aisg-textarea::placeholder {
	color: var(--aisg-text-faint);
}

.aisg-input:focus,
.aisg-textarea:focus,
.aisg-select:focus {
	outline: none;
	border-color: var(--aisg-amber-400);
	box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.22);
}

.aisg-form-footer {
	margin-top: 22px;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 10px;
}

.aisg-form-note {
	margin: 0;
	color: var(--aisg-coral-400);
	font-size: 13.5px;
	text-align: center;
	min-height: 0;
}

/* ---------------------------------------------------------------- */
/* Buttons                                                            */
/* ---------------------------------------------------------------- */

.aisg-btn {
	font-family: var(--aisg-font-body);
	font-weight: 600;
	border: none;
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: transform 0.12s ease, opacity 0.12s ease, background-color 0.12s ease;
	white-space: nowrap;
}

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

.aisg-btn:disabled {
	opacity: 0.65;
	cursor: not-allowed;
	transform: none;
}

.aisg-btn--primary {
	background: linear-gradient(135deg, var(--aisg-amber-400), var(--aisg-coral-400));
	color: var(--aisg-navy-950);
	border-radius: var(--aisg-radius-pill);
	padding: 14px 34px;
	font-size: 15.5px;
	min-width: 240px;
}

.aisg-btn--primary:hover:not(:disabled) {
	opacity: 0.92;
}

.aisg-btn--ghost {
	background: transparent;
	border: 1px solid var(--aisg-border);
	color: var(--aisg-text-primary);
	border-radius: var(--aisg-radius-pill);
}

.aisg-btn--ghost:hover {
	border-color: var(--aisg-amber-400);
	color: var(--aisg-amber-300);
}

.aisg-btn--sm {
	padding: 7px 16px;
	font-size: 12.5px;
}

.aisg-btn--link {
	background: none;
	color: var(--aisg-amber-300);
	padding: 0;
	font-size: 12.5px;
	text-decoration: none;
}

.aisg-btn--link:hover {
	text-decoration: underline;
}

.aisg-btn--copied {
	background: var(--aisg-mint-400) !important;
	color: var(--aisg-navy-950) !important;
	border-color: var(--aisg-mint-400) !important;
}

/* Spinner shown inside the primary button while a request is in flight */
.aisg-spinner {
	display: none;
	width: 16px;
	height: 16px;
	border-radius: 50%;
	border: 2px solid rgba(16, 17, 43, 0.35);
	border-top-color: var(--aisg-navy-950);
	animation: aisg-spin 0.7s linear infinite;
}

.aisg-app[data-loading] .aisg-spinner {
	display: inline-block;
}

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

@media (prefers-reduced-motion: reduce) {
	.aisg-spinner {
		animation-duration: 1.6s;
	}
}

/* ---------------------------------------------------------------- */
/* Status message                                                    */
/* ---------------------------------------------------------------- */

.aisg-status {
	margin-top: 16px;
	font-size: 13.5px;
	color: var(--aisg-mint-400);
	text-align: center;
	min-height: 0;
}

/* ---------------------------------------------------------------- */
/* Results                                                            */
/* ---------------------------------------------------------------- */

.aisg-results {
	margin-top: 26px;
	display: flex;
	flex-direction: column;
	gap: 16px;
	animation: aisg-fade-in 0.35s ease;
}

@keyframes aisg-fade-in {
	from {
		opacity: 0;
		transform: translateY(6px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.aisg-result-card {
	background: var(--aisg-navy-800);
	border: 1px solid var(--aisg-border);
	border-radius: var(--aisg-radius-lg);
	padding: clamp(16px, 3vw, 24px);
}

.aisg-result-card__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-bottom: 12px;
}

.aisg-result-card__head h3 {
	font-family: var(--aisg-font-display);
	font-size: 17px;
	font-weight: 600;
	margin: 0;
	color: var(--aisg-text-primary);
}

.aisg-result-card__hint {
	margin: 0 0 12px;
	color: var(--aisg-text-faint);
	font-size: 12.5px;
}

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

.aisg-subsection:first-of-type {
	margin-top: 4px;
	padding-top: 0;
	border-top: none;
}

.aisg-subsection__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 8px;
}

.aisg-subsection__label {
	font-size: 12.5px;
	font-weight: 600;
	color: var(--aisg-text-muted);
}

.aisg-caption-text {
	margin: 0;
	font-size: 14.5px;
	color: var(--aisg-text-primary);
	white-space: pre-wrap;
	word-break: break-word;
}

.aisg-chip-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.aisg-chip {
	background: var(--aisg-navy-700);
	border: 1px solid var(--aisg-border);
	border-radius: var(--aisg-radius-pill);
	padding: 6px 14px;
	font-size: 13px;
	color: var(--aisg-text-primary);
	word-break: break-word;
}

.aisg-chip-list--hashtag .aisg-chip {
	background: rgba(47, 217, 168, 0.12);
	border-color: rgba(47, 217, 168, 0.35);
	color: var(--aisg-mint-400);
}

/* ---------------------------------------------------------------- */
/* Responsive breakpoints                                            */
/* ---------------------------------------------------------------- */

@media (max-width: 640px) {
	.aisg-field-row {
		grid-template-columns: 1fr;
		gap: 0;
	}

	.aisg-btn--primary {
		width: 100%;
		min-width: 0;
	}

	.aisg-result-card__head {
		flex-wrap: wrap;
	}
}

@media (max-width: 400px) {
	.aisg-app {
		padding: 16px;
		border-radius: var(--aisg-radius-md);
	}

	.aisg-header {
		gap: 12px;
	}

	.aisg-header__badge {
		width: 36px;
		height: 36px;
		font-size: 16px;
	}
}

/* Visible keyboard focus for accessibility */
.aisg-app a:focus-visible,
.aisg-app button:focus-visible,
.aisg-app input:focus-visible,
.aisg-app textarea:focus-visible,
.aisg-app select:focus-visible {
	outline: 2px solid var(--aisg-amber-400);
	outline-offset: 2px;
}