/* ==========================================================================
   Clothing Size Converter - Frontend Styles
   ========================================================================== */

.csc-wrapper {
	--csc-primary: #2563eb;
	--csc-primary-dark: #1d4ed8;
	--csc-text: #1f2937;
	--csc-muted: #6b7280;
	--csc-border: #e5e7eb;
	--csc-bg: #ffffff;
	--csc-bg-soft: #f9fafb;
	--csc-radius: 10px;

	box-sizing: border-box;
	max-width: 480px;
	margin: 24px auto;
	padding: 28px 24px 24px;
	background: var(--csc-bg);
	border: 1px solid var(--csc-border);
	border-radius: var(--csc-radius);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--csc-text);
}

.csc-wrapper *,
.csc-wrapper *::before,
.csc-wrapper *::after {
	box-sizing: border-box;
}

.csc-title {
	margin: 0 0 4px;
	font-size: 22px;
	font-weight: 700;
	line-height: 1.3;
	color: var(--csc-text);
}

.csc-subtitle {
	margin: 0 0 20px;
	font-size: 14px;
	color: var(--csc-muted);
	line-height: 1.5;
}

.csc-field-group {
	margin-bottom: 16px;
}

.csc-field-group label {
	display: block;
	margin-bottom: 6px;
	font-size: 13px;
	font-weight: 600;
	color: var(--csc-text);
	letter-spacing: 0.01em;
}

.csc-select {
	width: 100%;
	padding: 10px 36px 10px 12px;
	font-size: 15px;
	line-height: 1.4;
	color: var(--csc-text);
	background-color: var(--csc-bg-soft);
	border: 1px solid var(--csc-border);
	border-radius: 8px;
	appearance: none;
	-webkit-appearance: none;
	-moz-appearance: none;
	background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 10px center;
	background-size: 18px;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
	cursor: pointer;
}

.csc-select:hover {
	border-color: #cbd5e1;
}

.csc-select:focus {
	outline: none;
	border-color: var(--csc-primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
	background-color: var(--csc-bg);
}

.csc-btn {
	display: block;
	width: 100%;
	margin-top: 8px;
	padding: 12px 16px;
	font-size: 15px;
	font-weight: 600;
	color: #ffffff;
	background-color: var(--csc-primary);
	border: none;
	border-radius: 8px;
	cursor: pointer;
	transition: background-color 0.15s ease, transform 0.05s ease;
}

.csc-btn:hover {
	background-color: var(--csc-primary-dark);
}

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

.csc-btn:focus-visible {
	outline: 2px solid var(--csc-primary-dark);
	outline-offset: 2px;
}

.csc-result {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-top: 18px;
	padding: 16px 18px;
	background-color: #eff6ff;
	border: 1px solid #bfdbfe;
	border-radius: 8px;
	animation: csc-fade-in 0.2s ease;
}

@keyframes csc-fade-in {
	from {
		opacity: 0;
		transform: translateY(-4px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.csc-result-label {
	font-size: 13px;
	font-weight: 600;
	color: var(--csc-primary-dark);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.csc-result-value {
	font-size: 20px;
	font-weight: 700;
	color: var(--csc-text);
}

.csc-disclaimer {
	margin: 18px 0 0;
	font-size: 12px;
	line-height: 1.5;
	color: var(--csc-muted);
}

.csc-select.csc-shake {
	animation: csc-shake 0.3s ease;
	border-color: #ef4444;
}

@keyframes csc-shake {
	0%, 100% { transform: translateX(0); }
	25% { transform: translateX(-4px); }
	75% { transform: translateX(4px); }
}

/* ==========================================================================
   Mobile responsiveness
   ========================================================================== */

@media (max-width: 520px) {
	.csc-wrapper {
		margin: 16px 12px;
		padding: 20px 16px 18px;
		border-radius: 12px;
	}

	.csc-title {
		font-size: 19px;
	}

	.csc-subtitle {
		font-size: 13px;
		margin-bottom: 16px;
	}

	.csc-select,
	.csc-btn {
		font-size: 16px; /* Prevents iOS auto-zoom on focus */
		padding-top: 11px;
		padding-bottom: 11px;
	}

	.csc-result {
		flex-direction: column;
		align-items: flex-start;
		gap: 6px;
	}

	.csc-result-value {
		font-size: 22px;
	}
}

@media (max-width: 360px) {
	.csc-wrapper {
		margin: 12px 8px;
		padding: 16px 14px;
	}
}