/**
 * Product Authenticator — public verification form styles.
 *
 * Modern, self-contained and theme-friendly: system fonts, CSS custom
 * properties for easy theming, BEM class names, dark-mode and reduced-motion
 * support. No external assets (fonts/images) so it works inside any theme.
 */

.pa-verify {
	/* Theming tokens — override these in your theme to restyle everything. */
	--pa-accent: #2563eb;
	--pa-accent-strong: #1d4ed8;
	--pa-accent-soft: rgba(37, 99, 235, 0.12);
	--pa-bg: #ffffff;
	--pa-surface: #f8fafc;
	--pa-text: #0f172a;
	--pa-muted: #64748b;
	--pa-border: #e2e8f0;
	--pa-radius: 18px;
	--pa-shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.25), 0 2px 6px rgba(15, 23, 42, 0.06);

	box-sizing: border-box;
	max-width: 750px;
	margin: 0 auto;
	padding: 32px 28px;
	border: 1px solid var(--pa-border);
	border-radius: var(--pa-radius);
	background:
		radial-gradient(120% 120% at 50% -20%, var(--pa-accent-soft) 0%, transparent 55%),
		var(--pa-bg);
	box-shadow: var(--pa-shadow);
	color: var(--pa-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	text-align: center;
	-webkit-font-smoothing: antialiased;
}

.pa-verify *,
.pa-verify *::before,
.pa-verify *::after {
	box-sizing: border-box;
}

/* Shield badge -------------------------------------------------------- */

.pa-verify__badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	margin: 0 auto 16px;
	border-radius: 50%;
	color: #ffffff;
	background: linear-gradient(135deg, var(--pa-accent), var(--pa-accent-strong));
	box-shadow: 0 8px 20px -6px var(--pa-accent);
}

/* Heading / subtitle -------------------------------------------------- */

.pa-verify__title {
	margin: 0 0 6px;
	font-size: 1.5rem;
	line-height: 1.2;
	font-weight: 700;
	color: var(--pa-text);
}

.pa-verify__subtitle {
	margin: 0 auto 22px;
	max-width: 40ch;
	font-size: 0.95rem;
	line-height: 1.5;
	color: var(--pa-muted);
}

/* Input + button row -------------------------------------------------- */

.pa-verify__row {
	display: flex;
	gap: 10px;
	align-items: stretch;
}

.pa-verify__field {
	position: relative;
	flex: 1;
	display: flex;
	align-items: center;
}

.pa-verify__field-icon {
	position: absolute;
	left: 14px;
	color: var(--pa-muted);
	pointer-events: none;
}

.pa-verify__input {
	width: 100%;
	padding: 14px 16px 14px 44px;
	font-size: 1.05rem;
	font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--pa-text);
	background: var(--pa-surface);
	border: 1.5px solid var(--pa-border);
	border-radius: 12px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.pa-verify__input::placeholder {
	color: var(--pa-muted);
	letter-spacing: 0.04em;
	text-transform: none;
	opacity: 0.8;
}

.pa-verify__input:focus {
	outline: none;
	background: var(--pa-bg);
	border-color: var(--pa-accent);
	box-shadow: 0 0 0 4px var(--pa-accent-soft);
}

.pa-verify__button {
	flex-shrink: 0;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 24px;
	font-size: 1rem;
	font-weight: 600;
	font-family: inherit;
	color: #ffffff;
	background: linear-gradient(135deg, var(--pa-accent), var(--pa-accent-strong));
	border: 0;
	border-radius: 12px;
	cursor: pointer;
	transition: transform 0.12s ease, box-shadow 0.15s ease, opacity 0.15s ease;
	box-shadow: 0 8px 18px -8px var(--pa-accent);
}

.pa-verify__button:hover:not(:disabled) {
	transform: translateY(-1px);
	box-shadow: 0 12px 22px -8px var(--pa-accent);
}

.pa-verify__button:active:not(:disabled) {
	transform: translateY(0);
}

.pa-verify__button:focus-visible {
	outline: 3px solid var(--pa-accent-soft);
	outline-offset: 2px;
}

.pa-verify__button:disabled {
	cursor: wait;
	opacity: 0.85;
}

/* Loading spinner: shown automatically while the button is disabled. */
.pa-verify__button:disabled::before {
	content: "";
	width: 16px;
	height: 16px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, 0.45);
	border-top-color: #ffffff;
	animation: pa-spin 0.7s linear infinite;
}

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

/* Result card --------------------------------------------------------- */

.pa-result {
	margin-top: 22px;
	padding: 20px;
	border-radius: 14px;
	border: 1px solid transparent;
	text-align: center;
	animation: pa-result-in 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pa-result-in {
	from { opacity: 0; transform: translateY(10px) scale(0.98); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}

.pa-result__icon {
	width: 76px;
	height: 76px;
	margin: 0 auto 14px;
}

/* Animated (Lottie-style) draw-on icons ------------------------------- */

.pa-anim-icon {
	display: block;
	width: 100%;
	height: 100%;
	overflow: visible;
}

.pa-anim-icon__circle {
	fill: none;
	stroke: currentColor;
	stroke-width: 2.5;
	opacity: 0.9;
	stroke-dasharray: 151;
	stroke-dashoffset: 151;
	animation: pa-draw-circle 0.5s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.pa-anim-icon__mark {
	fill: none;
	stroke: currentColor;
	stroke-width: 3.2;
	stroke-linecap: round;
	stroke-linejoin: round;
	stroke-dasharray: 60;
	stroke-dashoffset: 60;
	animation: pa-draw-mark 0.35s cubic-bezier(0.65, 0, 0.45, 1) 0.45s forwards;
}

.pa-anim-icon__mark--delay {
	animation-delay: 0.62s;
}

.pa-anim-icon__dot {
	fill: currentColor;
	transform-box: fill-box;
	transform-origin: center;
	opacity: 0;
	animation: pa-pop 0.3s ease 0.72s forwards;
}

/* A gentle bounce of the whole icon as it finishes drawing. */
.pa-result__icon {
	animation: pa-icon-pop 0.4s ease 0.2s both;
}

@keyframes pa-draw-circle { to { stroke-dashoffset: 0; } }
@keyframes pa-draw-mark   { to { stroke-dashoffset: 0; } }
@keyframes pa-pop { from { opacity: 0; transform: scale(0); } to { opacity: 1; transform: scale(1); } }
@keyframes pa-icon-pop {
	0%   { transform: scale(0.7); }
	60%  { transform: scale(1.08); }
	100% { transform: scale(1); }
}

.pa-result__message {
	margin: 0;
	font-size: 1.05rem;
	font-weight: 600;
	line-height: 1.45;
}

.pa-result__details {
	margin: 18px auto 0;
	padding-top: 14px;
	max-width: 340px;
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 8px 16px;
	font-size: 0.92rem;
	text-align: left;
	border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.pa-result__details dt {
	font-weight: 600;
	opacity: 0.75;
}

.pa-result__details dd {
	margin: 0;
	word-break: break-word;
}

.pa-result__details a {
	color: inherit;
	text-decoration: underline;
	text-underline-offset: 2px;
}

/* Outcome color coding: green = genuine, amber = warning/expired,
   red = invalid/blocked, grey = rate limited. */

.pa-result--authentic {
	background: #f0fdf4;
	border-color: #86efac;
	color: #166534;
}

.pa-result--warning,
.pa-result--expired {
	background: #fffbeb;
	border-color: #fcd34d;
	color: #92400e;
}

.pa-result--invalid,
.pa-result--blocked {
	background: #fef2f2;
	border-color: #fca5a5;
	color: #991b1b;
}

.pa-result--rate_limited {
	background: #f3f4f6;
	border-color: #d1d5db;
	color: #374151;
}

/* Small screens ------------------------------------------------------- */

@media (max-width: 480px) {
	.pa-verify {
		max-width: 100%;
		width: 100%;
		padding: 24px 16px;
		border-radius: 12px;
	}

	.pa-verify__row {
		flex-direction: column;
	}

	.pa-verify__button {
		width: 100%;
	}
}

/* Dark mode ----------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
	.pa-verify {
		--pa-bg: #0f172a;
		--pa-surface: #1e293b;
		--pa-text: #f1f5f9;
		--pa-muted: #94a3b8;
		--pa-border: #334155;
		--pa-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.6), 0 2px 6px rgba(0, 0, 0, 0.4);
	}

	.pa-result--authentic { background: rgba(22, 101, 52, 0.28); border-color: #22c55e; color: #bbf7d0; }
	.pa-result--warning,
	.pa-result--expired    { background: rgba(146, 64, 14, 0.28); border-color: #f59e0b; color: #fde68a; }
	.pa-result--invalid,
	.pa-result--blocked    { background: rgba(153, 27, 27, 0.28); border-color: #ef4444; color: #fecaca; }
	.pa-result--rate_limited { background: rgba(55, 65, 81, 0.4); border-color: #64748b; color: #e5e7eb; }

	.pa-result__details { border-top-color: rgba(255, 255, 255, 0.12); }
}

/* Respect users who prefer reduced motion. */

@media (prefers-reduced-motion: reduce) {
	.pa-verify__button,
	.pa-result,
	.pa-result__icon {
		transition: none;
		animation: none;
	}

	.pa-verify__button:disabled::before {
		animation-duration: 1.4s;
	}

	/* Show the icons fully drawn (no draw-on animation). */
	.pa-anim-icon__circle,
	.pa-anim-icon__mark {
		animation: none;
		stroke-dashoffset: 0;
	}

	.pa-anim-icon__dot {
		animation: none;
		opacity: 1;
	}
}