/* Custom properties for easy theme overrides */
.ni-sdc-calculator {
	--ni-sdc-primary: #008060;
	--ni-sdc-primary-hover: #005e46;
	--ni-sdc-bg: #ffffff;
	--ni-sdc-border-colour: #e2e8f0;
	--ni-sdc-text-colour: #1e293b;
	--ni-sdc-text-muted: #64748b;
	--ni-sdc-card-bg: #f8fafc;
	--ni-sdc-card-highlight-bg: #f0fdf4;
	--ni-sdc-card-highlight-border: #bbf7d0;
	--ni-sdc-card-highlight-text: #166534;
	--ni-sdc-font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
	--ni-sdc-border-radius: 12px;
	--ni-sdc-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
	--ni-sdc-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
	--ni-sdc-focus-ring: 0 0 0 3px rgba(0, 128, 96, 0.15);
	
	font-family: var(--ni-sdc-font-family);
	color: var(--ni-sdc-text-colour);
	max-width: 900px;
	margin: 20px auto;
	box-sizing: border-box;
}

.ni-sdc-calculator * {
	box-sizing: border-box;
}

.ni-sdc-calculator__container {
	display: grid;
	grid-template-columns: 1fr;
	gap: 24px;
	background: var(--ni-sdc-bg);
	border: 1px solid var(--ni-sdc-border-colour);
	border-radius: var(--ni-sdc-border-radius);
	padding: 24px;
	box-shadow: var(--ni-sdc-shadow);
}

@media (min-width: 768px) {
	.ni-sdc-calculator__container {
		grid-template-columns: 1.2fr 1fr;
		gap: 32px;
	}
}

/* Sections */
.ni-sdc-calculator__section {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.ni-sdc-calculator__section--results {
	border-top: 1px solid var(--ni-sdc-border-colour);
	padding-top: 24px;
}

@media (min-width: 768px) {
	.ni-sdc-calculator__section--results {
		border-top: none;
		border-left: 1px solid var(--ni-sdc-border-colour);
		padding-top: 0;
		padding-left: 32px;
	}
}

/* Group & Label styling */
.ni-sdc-calculator__group {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.ni-sdc-calculator__label {
	font-weight: 600;
	font-size: 14px;
	color: var(--ni-sdc-text-colour);
}

/* Input wrappers and inputs */
.ni-sdc-calculator__input-wrapper {
	position: relative;
	display: flex;
	align-items: center;
	border: 1px solid var(--ni-sdc-border-colour);
	border-radius: 6px;
	transition: var(--ni-sdc-transition);
	background: #fff;
}

.ni-sdc-calculator__input-wrapper:focus-within {
	border-color: var(--ni-sdc-primary);
	box-shadow: var(--ni-sdc-focus-ring);
}

.ni-sdc-calculator__currency-prefix {
	padding-left: 12px;
	font-weight: 500;
	color: var(--ni-sdc-text-muted);
	user-select: none;
}

.ni-sdc-calculator__input {
	border: none;
	background: transparent;
	padding: 10px 12px;
	font-size: 16px;
	font-family: inherit;
	color: inherit;
	width: 100%;
}

.ni-sdc-calculator__input:focus {
	outline: none;
}

/* Range Slider */
.ni-sdc-calculator__slider {
	-webkit-appearance: none;
	width: 100%;
	height: 6px;
	border-radius: 3px;
	background: var(--ni-sdc-border-colour);
	outline: none;
	margin: 10px 0 5px 0;
	transition: var(--ni-sdc-transition);
}

.ni-sdc-calculator__slider::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--ni-sdc-primary);
	cursor: pointer;
	border: 2px solid #ffffff;
	box-shadow: 0 1px 3px rgba(0,0,0,0.15);
	transition: var(--ni-sdc-transition);
}

.ni-sdc-calculator__slider::-webkit-slider-thumb:hover {
	transform: scale(1.15);
	background: var(--ni-sdc-primary-hover);
}

.ni-sdc-calculator__slider::-moz-range-thumb {
	width: 18px;
	height: 18px;
	border-radius: 50%;
	background: var(--ni-sdc-primary);
	cursor: pointer;
	border: 2px solid #ffffff;
	box-shadow: 0 1px 3px rgba(0,0,0,0.15);
	transition: var(--ni-sdc-transition);
}

.ni-sdc-calculator__slider::-moz-range-thumb:hover {
	transform: scale(1.15);
	background: var(--ni-sdc-primary-hover);
}

/* Select Box */
.ni-sdc-calculator__select {
	padding: 10px 12px;
	font-size: 15px;
	border: 1px solid var(--ni-sdc-border-colour);
	border-radius: 6px;
	background: #ffffff;
	color: var(--ni-sdc-text-colour);
	outline: none;
	transition: var(--ni-sdc-transition);
	cursor: pointer;
}

.ni-sdc-calculator__select:focus {
	border-color: var(--ni-sdc-primary);
	box-shadow: var(--ni-sdc-focus-ring);
}

/* Checkboxes */
.ni-sdc-calculator__group--checkboxes {
	gap: 16px;
	margin-top: 8px;
}

.ni-sdc-calculator__checkbox-wrapper {
	display: flex;
	align-items: flex-start;
	background: var(--ni-sdc-card-bg);
	border: 1px solid var(--ni-sdc-border-colour);
	border-radius: 8px;
	padding: 12px 16px;
	transition: var(--ni-sdc-transition);
}

.ni-sdc-calculator__checkbox-wrapper:hover {
	border-color: var(--ni-sdc-primary);
	transform: translateY(-1px);
}

.ni-sdc-calculator__checkbox-label {
	display: flex;
	gap: 12px;
	cursor: pointer;
	align-items: flex-start;
	width: 100%;
}

.ni-sdc-calculator__checkbox {
	margin-top: 4px;
	width: 16px;
	height: 16px;
	accent-color: var(--ni-sdc-primary);
	cursor: pointer;
}

.ni-sdc-calculator__checkbox-text {
	display: flex;
	flex-direction: column;
	font-size: 14px;
}

.ni-sdc-calculator__checkbox-subtext {
	font-size: 12px;
	color: var(--ni-sdc-text-muted);
	margin-top: 2px;
}

/* Results Display */
.ni-sdc-calculator__result-card {
	background: var(--ni-sdc-card-highlight-bg);
	border: 1px solid var(--ni-sdc-card-highlight-border);
	border-radius: var(--ni-sdc-border-radius);
	padding: 20px;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	transition: var(--ni-sdc-transition);
}

.ni-sdc-calculator__result-label {
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	font-weight: 700;
	color: var(--ni-sdc-card-highlight-text);
}

.ni-sdc-calculator__result-value {
	font-size: 32px;
	font-weight: 800;
	color: var(--ni-sdc-card-highlight-text);
	line-height: 1.1;
}

.ni-sdc-calculator__result-meta {
	font-size: 13px;
	color: var(--ni-sdc-text-muted);
	margin-top: 4px;
}

/* Breakdown list */
.ni-sdc-calculator__breakdown {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.ni-sdc-calculator__breakdown-title {
	font-size: 14px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--ni-sdc-text-muted);
	margin: 0;
}

.ni-sdc-calculator__breakdown-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.ni-sdc-calculator__breakdown-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-bottom: 8px;
	border-bottom: 1px dashed var(--ni-sdc-border-colour);
}

.ni-sdc-calculator__breakdown-item:last-child {
	border-bottom: none;
}

.ni-sdc-calculator__breakdown-item-label {
	color: var(--ni-sdc-text-muted);
}

.ni-sdc-calculator__breakdown-item-value {
	font-weight: 600;
}

.ni-sdc-calculator__breakdown-item--total {
	border-top: 1px solid var(--ni-sdc-border-colour);
	border-bottom: none;
	font-weight: 700;
	padding-top: 12px;
	margin-top: 4px;
}

.ni-sdc-calculator__breakdown-item--total .ni-sdc-calculator__breakdown-item-label {
	color: var(--ni-sdc-text-colour);
	font-weight: 700;
}

.ni-sdc-calculator__breakdown-item--total .ni-sdc-calculator__breakdown-item-value {
	font-size: 16px;
	color: var(--ni-sdc-primary);
}