.iccc-calculator,
.iccc-calculator * {
	box-sizing: border-box;
}

.iccc-calculator {
	--iccc-bg: #f4f5f7;
	--iccc-panel: #ffffff;
	--iccc-panel-2: #eef0f4;
	--iccc-text: #1f2937;
	--iccc-muted: #5f6b7a;
	--iccc-border: #d9dde5;
	--iccc-primary: #3f4652;
	--iccc-primary-strong: #252a33;
	--iccc-accent: #727b89;
	--iccc-good: #256f4a;
	--iccc-warning: #9a6419;
	--iccc-danger: #9b2f2f;
	--iccc-shadow: 0 18px 45px rgba(31, 41, 55, 0.12);
	--iccc-radius: 22px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	color: var(--iccc-text);
	width: 100%;
	max-width: 980px;
	margin: 24px auto;
}

.iccc-calculator[data-theme="dark"] {
	--iccc-bg: #111318;
	--iccc-panel: #1b1f27;
	--iccc-panel-2: #242a34;
	--iccc-text: #f3f4f6;
	--iccc-muted: #b8c0cc;
	--iccc-border: #374151;
	--iccc-primary: #d1d5db;
	--iccc-primary-strong: #f9fafb;
	--iccc-accent: #9ca3af;
	--iccc-good: #61d394;
	--iccc-warning: #f0b45f;
	--iccc-danger: #f87171;
	--iccc-shadow: 0 22px 55px rgba(0, 0, 0, 0.35);
}

.iccc-shell {
	background: linear-gradient(145deg, var(--iccc-bg), var(--iccc-panel-2));
	border: 1px solid var(--iccc-border);
	border-radius: var(--iccc-radius);
	box-shadow: var(--iccc-shadow);
	padding: clamp(16px, 3vw, 30px);
	overflow: hidden;
}

.iccc-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 18px;
}

.iccc-kicker {
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--iccc-muted);
	margin: 0 0 6px;
}

.iccc-title {
	font-size: clamp(1.45rem, 4vw, 2.35rem);
	line-height: 1.12;
	margin: 0;
	color: var(--iccc-text);
	text-transform: capitalize;
}

.iccc-theme-toggle,
.iccc-btn {
	appearance: none;
	border: 0;
	border-radius: 999px;
	cursor: pointer;
	font: inherit;
	font-weight: 700;
	min-height: 44px;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.iccc-theme-toggle {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: var(--iccc-panel);
	border: 1px solid var(--iccc-border);
	color: var(--iccc-text);
	padding: 10px 14px;
	white-space: nowrap;
}

.iccc-theme-toggle:hover,
.iccc-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 8px 20px rgba(31, 41, 55, 0.15);
}

.iccc-theme-toggle:focus-visible,
.iccc-btn:focus-visible,
.iccc-field input:focus-visible,
.iccc-field select:focus-visible,
.iccc-checks input:focus-visible {
	outline: 3px solid rgba(114, 123, 137, 0.42);
	outline-offset: 3px;
}

.iccc-form,
.iccc-results {
	background: var(--iccc-panel);
	border: 1px solid var(--iccc-border);
	border-radius: calc(var(--iccc-radius) - 4px);
	padding: clamp(16px, 3vw, 24px);
}

.iccc-section + .iccc-section {
	margin-top: 22px;
	padding-top: 20px;
	border-top: 1px solid var(--iccc-border);
}

.iccc-section h3,
.iccc-breakdown h3 {
	font-size: 1rem;
	margin: 0 0 14px;
	color: var(--iccc-primary-strong);
}

.iccc-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 14px;
}

.iccc-field {
	display: grid;
	gap: 7px;
}

.iccc-field span,
.iccc-checks legend,
.iccc-card span,
.iccc-result-hero span {
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--iccc-muted);
}

.iccc-field input,
.iccc-field select {
	width: 100%;
	min-height: 48px;
	border: 1px solid var(--iccc-border);
	border-radius: 14px;
	background: var(--iccc-bg);
	color: var(--iccc-text);
	font: inherit;
	font-weight: 650;
	padding: 12px 14px;
}

.iccc-field input[type="range"] {
	padding: 0;
	min-height: 32px;
	accent-color: var(--iccc-primary);
}

.iccc-field small,
.iccc-range-value,
.iccc-status {
	font-size: 0.82rem;
	color: var(--iccc-muted);
}

.iccc-checks {
	display: grid;
	grid-template-columns: 1fr;
	gap: 10px;
	margin: 16px 0 0;
	padding: 0;
	border: 0;
}

.iccc-checks legend {
	margin-bottom: 8px;
}

.iccc-checks label {
	display: flex;
	align-items: center;
	gap: 10px;
	min-height: 44px;
	padding: 10px 12px;
	background: var(--iccc-bg);
	border: 1px solid var(--iccc-border);
	border-radius: 14px;
	cursor: pointer;
}

.iccc-checks input {
	width: 18px;
	height: 18px;
	accent-color: var(--iccc-primary);
}

.iccc-actions,
.iccc-result-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 20px;
}

.iccc-btn {
	padding: 11px 18px;
}

.iccc-btn-primary {
	background: linear-gradient(135deg, var(--iccc-primary), var(--iccc-primary-strong));
	color: #ffffff;
}

.iccc-btn-soft {
	background: var(--iccc-panel-2);
	border: 1px solid var(--iccc-border);
	color: var(--iccc-text);
}

.iccc-status {
	min-height: 22px;
	margin: 12px 2px;
}

.iccc-status[data-type="error"] {
	color: var(--iccc-danger);
	font-weight: 700;
}

.iccc-status[data-type="success"] {
	color: var(--iccc-good);
	font-weight: 700;
}

.iccc-results {
	margin-top: 18px;
}

.iccc-result-hero {
	background: radial-gradient(circle at top left, rgba(114, 123, 137, 0.22), transparent 38%), linear-gradient(135deg, var(--iccc-primary-strong), var(--iccc-primary));
	border-radius: 20px;
	padding: clamp(18px, 4vw, 28px);
	color: #ffffff;
}

.iccc-result-hero span,
.iccc-result-hero small {
	color: rgba(255, 255, 255, 0.82);
}

.iccc-result-hero strong {
	display: block;
	font-size: clamp(2.2rem, 10vw, 4.4rem);
	line-height: 1;
	margin: 8px 0;
	letter-spacing: -0.06em;
}

.iccc-result-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 12px;
	margin-top: 14px;
}

.iccc-card {
	background: var(--iccc-bg);
	border: 1px solid var(--iccc-border);
	border-radius: 18px;
	padding: 16px;
}

.iccc-card strong {
	display: block;
	font-size: 1.35rem;
	margin-top: 8px;
	color: var(--iccc-primary-strong);
}

.iccc-breakdown {
	margin-top: 18px;
	padding: 16px;
	background: var(--iccc-bg);
	border: 1px solid var(--iccc-border);
	border-radius: 18px;
}

.iccc-bar-row {
	display: grid;
	grid-template-columns: 105px 1fr 78px;
	align-items: center;
	gap: 10px;
	margin-top: 12px;
	font-size: 0.9rem;
}

.iccc-bar {
	height: 12px;
	border-radius: 999px;
	background: var(--iccc-panel-2);
	overflow: hidden;
}

.iccc-bar i {
	display: block;
	height: 100%;
	width: 0%;
	border-radius: inherit;
	background: linear-gradient(90deg, var(--iccc-accent), var(--iccc-primary-strong));
	transition: width 0.28s ease;
}

.iccc-bar-row strong {
	text-align: right;
}

.iccc-summary {
	margin-top: 16px;
	padding: 16px;
	border-left: 4px solid var(--iccc-accent);
	background: var(--iccc-bg);
	border-radius: 14px;
	color: var(--iccc-text);
	line-height: 1.6;
}

@media (min-width: 640px) {
	.iccc-grid,
	.iccc-result-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.iccc-checks {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (min-width: 900px) {
	.iccc-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.iccc-result-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

@media (max-width: 520px) {
	.iccc-header {
		flex-direction: column;
	}

	.iccc-theme-toggle,
	.iccc-btn {
		width: 100%;
		justify-content: center;
	}

	.iccc-bar-row {
		grid-template-columns: 1fr;
		gap: 6px;
	}

	.iccc-bar-row strong {
		text-align: left;
	}
}

@media print {
	.iccc-theme-toggle,
	.iccc-form,
	.iccc-status,
	.iccc-result-actions {
		display: none !important;
	}

	.iccc-calculator {
		box-shadow: none;
		margin: 0;
		max-width: none;
	}

	.iccc-shell,
	.iccc-results {
		border: 0;
		box-shadow: none;
	}
}