.coc-calculator {
	max-width: 440px;
	margin: 0 auto;
	background: #ffffff;
	border: 1px solid #e5e7eb;
	border-radius: 16px;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
	padding: 28px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	box-sizing: border-box;
}
.coc-calculator * {
	box-sizing: border-box;
}
.coc-title {
	text-align: center;
	font-size: 20px;
	font-weight: 700;
	color: #1f2937;
	margin: 0 0 22px;
}
.coc-field {
	margin-bottom: 20px;
}
.coc-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: #374151;
	margin-bottom: 8px;
}
#coc-amount {
	width: 100%;
	padding: 12px 14px;
	font-size: 16px;
	border: 1px solid #d1d5db;
	border-radius: 10px;
	color: #111827;
	background: #fff;
}
#coc-amount:focus {
	outline: none;
	border-color: #9ca3af;
}
.coc-provider-buttons,
.coc-method-buttons {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
	gap: 10px;
}
.coc-provider-btn,
.coc-method-btn {
	appearance: none;
	border: 1px solid #e5e7eb;
	background: #f3f4f6;
	color: #374151;
	font-weight: 600;
	font-size: 14px;
	padding: 12px 10px;
	border-radius: 10px;
	cursor: pointer;
	transition: all 0.15s ease;
	text-align: center;
}
.coc-provider-btn:hover,
.coc-method-btn:hover {
	filter: brightness(0.97);
}
.coc-provider-btn.active {
	background: var(--coc-provider-color, #111827);
	border-color: var(--coc-provider-color, #111827);
	color: #fff;
}
.coc-method-btn.active {
	background: #111827;
	border-color: #111827;
	color: #fff;
}
.coc-result {
	background: #f9fafb;
	border: 1px solid #eef0f2;
	border-radius: 12px;
	padding: 18px 18px 6px;
	margin-top: 22px;
}
.coc-result-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 8px 0;
	font-size: 15px;
	color: #374151;
}
.coc-result-row strong {
	font-variant-numeric: tabular-nums;
	color: #111827;
}
.coc-charge-badge {
	display: inline-block;
	background: #e5e7eb;
	color: #374151;
	font-size: 11px;
	font-weight: 700;
	padding: 2px 8px;
	border-radius: 999px;
	margin-left: 4px;
}
.coc-result-note {
	font-size: 12px;
	color: #9ca3af;
	padding-bottom: 4px;
}
.coc-result-divider {
	border-top: 1px dashed #d1d5db;
	margin: 4px 0;
}
.coc-result-total {
	padding: 12px 0 14px;
	font-size: 17px;
	font-weight: 700;
	color: #111827;
}
.coc-result-total strong {
	color: #db2777;
	font-size: 19px;
}

@media (max-width: 480px) {
	.coc-calculator {
		padding: 20px;
	}
}