/* Neo Contraction Tracker Styles
 * Mobile-first design optimized for use during labor
 * Large touch targets and clear visual hierarchy for easy use under stress
 */

/* Reset and base styles */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
	--color-primary: #8b5cf6;
	--color-primary-dark: #7c3aed;
	--color-success: #10b981;
	--color-warning: #f59e0b;
	--color-danger: #ef4444;
	--color-background: #ffffff;
	--color-surface: #f9fafb;
	--color-text: #111827;
	--color-text-secondary: #6b7280;
	--spacing-unit: 1rem;
	--border-radius: 0.5rem;
	--shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
	--shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	font-size: 16px;
	line-height: 1.5;
	color: var(--color-text);
	background: var(--color-background);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

/* Main application container */
.app-container {
	max-width: 48rem;
	margin: 0 auto;
	padding: var(--spacing-unit);
	display: flex;
	flex-direction: column;
	gap: calc(var(--spacing-unit) * 1.5);
	min-height: 100vh;
}

/* Contraction timer styles */
.timer-container {
	display: flex;
	justify-content: center;
	align-items: center;
	padding: calc(var(--spacing-unit) * 2);
}

.timer-button {
	width: 16rem;
	height: 16rem;
	border-radius: 50%;
	border: 4px solid var(--color-primary);
	background: var(--color-primary);
	color: white;
	font-size: 3rem;
	font-weight: bold;
	cursor: pointer;
	transition: all 0.2s ease;
	box-shadow: var(--shadow-large);
	-webkit-tap-highlight-color: transparent;
}

.timer-button:hover {
	transform: scale(1.05);
}

.timer-button:active {
	transform: scale(0.95);
}

.timer-button.active {
	background: var(--color-danger);
	border-color: var(--color-danger);
	animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
	0%, 100% {
		opacity: 1;
	}
	50% {
		opacity: 0.8;
	}
}

/* Pattern analyzer styles */
.pattern-analyzer {
	background: var(--color-surface);
	border-radius: var(--border-radius);
	padding: calc(var(--spacing-unit) * 1.5);
	box-shadow: var(--shadow);
}

.pattern-analyzer header h2 {
	font-size: 1.5rem;
	font-weight: 600;
	margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.pattern-analyzer .confidence {
	color: var(--color-text-secondary);
	font-size: 0.875rem;
}

.pattern-analyzer.recommendation-monitor {
	border-left: 4px solid var(--color-success);
}

.pattern-analyzer.recommendation-call_provider {
	border-left: 4px solid var(--color-warning);
}

.pattern-analyzer.recommendation-go_now {
	border-left: 4px solid var(--color-danger);
}

.pattern-analyzer .metrics {
	margin-top: var(--spacing-unit);
}

.pattern-analyzer .metrics dl {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: calc(var(--spacing-unit) * 0.5) var(--spacing-unit);
}

.pattern-analyzer .metrics dt {
	font-weight: 500;
	color: var(--color-text-secondary);
}

.pattern-analyzer .metrics dd {
	text-align: right;
}

.pattern-analyzer details {
	margin-top: var(--spacing-unit);
}

.pattern-analyzer details summary {
	cursor: pointer;
	font-weight: 500;
	list-style: none;
}

.pattern-analyzer details summary::-webkit-details-marker {
	display: none;
}

.pattern-analyzer details ul {
	margin-top: calc(var(--spacing-unit) * 0.5);
	margin-left: calc(var(--spacing-unit) * 1.5);
	list-style: disc;
}

.pattern-analyzer details li {
	margin-top: calc(var(--spacing-unit) * 0.25);
	color: var(--color-text-secondary);
}

.pattern-empty {
	background: var(--color-surface);
	border-radius: var(--border-radius);
	padding: calc(var(--spacing-unit) * 1.5);
	text-align: center;
	color: var(--color-text-secondary);
}

/* Contraction list styles */
.contraction-list h2 {
	font-size: 1.25rem;
	font-weight: 600;
	margin-bottom: var(--spacing-unit);
}

.contraction-list ol {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: calc(var(--spacing-unit) * 0.75);
}

.contraction-entry {
	background: var(--color-surface);
	border-radius: var(--border-radius);
	padding: var(--spacing-unit);
	box-shadow: var(--shadow);
}

.contraction-entry header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.contraction-entry header time {
	font-weight: 500;
}

.contraction-entry header .duration {
	color: var(--color-primary);
	font-weight: 600;
}

.contraction-entry .interval {
	font-size: 0.875rem;
	color: var(--color-text-secondary);
}

.contraction-entry footer {
	margin-top: calc(var(--spacing-unit) * 0.5);
	padding-top: calc(var(--spacing-unit) * 0.5);
	border-top: 1px solid #e5e7eb;
}

.contraction-entry .notes {
	font-size: 0.875rem;
	font-style: italic;
	color: var(--color-text-secondary);
}

.contraction-list-empty {
	background: var(--color-surface);
	border-radius: var(--border-radius);
	padding: calc(var(--spacing-unit) * 1.5);
	text-align: center;
	color: var(--color-text-secondary);
}

/* Responsive adjustments */
@media (min-width: 768px) {
	.app-container {
		padding: calc(var(--spacing-unit) * 2);
	}

	.timer-button {
		width: 20rem;
		height: 20rem;
		font-size: 4rem;
	}
}