/**
 * Frontend CSS for Process Diagram Module
 * 
 * @package IRISS
 * @since 1.0
 */

/* Color Variables */
.iriss-process-diagram {
	--color-primary-navy: #19285f;
	--color-neutral-white: #f1f1f1;
	--color-secondary-blue-purple: #5b5ea2;
	--color-secondary-olive: #b0c280;
	--color-secondary-orange: #ea6e00;
	--color-secondary-coral: #e56c6e;

	/* Diagram arc colours (matched from the image) */
	--color-diagram-explore: #4596bd;
	--color-diagram-imagine: #93c056;
	--color-diagram-shape: #dc8b56;
	--color-diagram-realise: #c84677;
}

/* Image Wrapper */
.iriss-process-diagram .process-diagram-wrapper {
	width: 100%;
	margin-bottom: 80px;
	display: flex;
	justify-content: center;
}

.iriss-process-diagram .process-diagram-inner {
	position: relative;
	display: inline-block;
	width: 100%;
	max-width: 1000px;
}

.iriss-process-diagram .process-diagram-image {
	width: 100%;
	max-width: 1000px;
	height: auto;
	display: block;
}

/* Overlay container that matches image dimensions exactly - using CSS Grid */
.iriss-process-diagram .process-overlay-container {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	padding: 5%;
	box-sizing: border-box;
	gap: 0;
}

/* Clickable Overlay Areas - Each takes one grid column */
.iriss-process-diagram .process-stage-area {
	position: relative;
	cursor: pointer;
	z-index: 1;
	grid-column: span 1;
	display: flex;
	align-items: center;
	justify-content: center;
}

/* Text Labels - Centered inside stage areas as circles */
.iriss-process-diagram .process-label {
	font-weight: 700;
	font-size: 24px;
	text-align: center;
	pointer-events: none;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 70%;
	aspect-ratio: 1;
	border-radius: 50%;
	background-color: transparent;
	transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out;
}

/* Color each label */
.iriss-process-diagram .process-label-explore {
	color: var(--color-secondary-blue-purple);
	position: relative;
	left: 7px;
}

.iriss-process-diagram .process-label-imagine {
	color: var(--color-secondary-olive);
	position: relative;
	left: 3px;
}

.iriss-process-diagram .process-label-shape {
	color: var(--color-secondary-orange);
	position: relative;
	left: -3px;
}

.iriss-process-diagram .process-label-realise {
	color: var(--color-secondary-coral);
	position: relative;
	left: -7px;
}

/* Hover/Focus/Active effects - fill circle with diagram arc colour, white text */
.iriss-process-diagram .process-stage-area:hover .process-label-explore,
.iriss-process-diagram .process-stage-area:focus-visible .process-label-explore,
.iriss-process-diagram .process-stage-area.active .process-label-explore {
	background-color: var(--color-diagram-explore);
	color: #fff;
}

.iriss-process-diagram .process-stage-area:hover .process-label-imagine,
.iriss-process-diagram .process-stage-area:focus-visible .process-label-imagine,
.iriss-process-diagram .process-stage-area.active .process-label-imagine {
	background-color: var(--color-diagram-imagine);
	color: #fff;
}

.iriss-process-diagram .process-stage-area:hover .process-label-shape,
.iriss-process-diagram .process-stage-area:focus-visible .process-label-shape,
.iriss-process-diagram .process-stage-area.active .process-label-shape {
	background-color: var(--color-diagram-shape);
	color: #fff;
}

.iriss-process-diagram .process-stage-area:hover .process-label-realise,
.iriss-process-diagram .process-stage-area:focus-visible .process-label-realise,
.iriss-process-diagram .process-stage-area.active .process-label-realise {
	background-color: var(--color-diagram-realise);
	color: #fff;
}

/* Focus ring for keyboard navigation */
.iriss-process-diagram .process-stage-area:focus-visible .process-label {
	outline: 3px solid var(--color-primary-navy);
	outline-offset: 4px;
}

.iriss-process-diagram .process-stage-area:focus {
	outline: none;
}

/* Content Box */
.iriss-process-diagram .process-content-box {
	width: 100%;
	max-width: 1000px;
	margin: 0 auto;
	background-color: var(--color-neutral-white);
	border-radius: 12px;
	padding: 30px;
	position: relative;
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.4s ease-in-out, transform 0.4s ease-in-out, background-color 0.3s ease-in-out;
	pointer-events: none;
}

.iriss-process-diagram .process-content-box.active {
	opacity: 1;
	transform: translateY(0);
	pointer-events: auto;
}

/* Content box color variants based on stage (dynamic mode) */
.iriss-process-diagram.dynamic-bg .process-content-box.stage-explore {
	background-color: rgba(91, 94, 162, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-imagine {
	background-color: rgba(130, 156, 80, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-shape {
	background-color: rgba(200, 90, 0, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-realise {
	background-color: rgba(190, 80, 85, 0.15);
}

.iriss-process-diagram .process-content-arrow {
	position: absolute;
	top: -12px;
	left: 12.5%;
	transform: translateX(-50%);
	width: 0;
	height: 0;
	border-left: 12px solid transparent;
	border-right: 12px solid transparent;
	border-bottom: 12px solid var(--color-neutral-white);
	transition: left 0.3s ease-in-out, border-bottom-color 0.3s ease-in-out;
}

/* Arrow color variants for dynamic mode */
.iriss-process-diagram.dynamic-bg .process-content-box.stage-explore .process-content-arrow {
	border-bottom-color: rgba(91, 94, 162, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-imagine .process-content-arrow {
	border-bottom-color: rgba(130, 156, 80, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-shape .process-content-arrow {
	border-bottom-color: rgba(200, 90, 0, 0.15);
}

.iriss-process-diagram.dynamic-bg .process-content-box.stage-realise .process-content-arrow {
	border-bottom-color: rgba(190, 80, 85, 0.15);
}

.iriss-process-diagram .process-content-inner {
	position: relative;
	z-index: 1;
}

.iriss-process-diagram .process-content-title {
	font-weight: 800;
	font-size: 28px;
	margin: 0 0 15px 0;
	color: var(--color-primary-navy);
}

.iriss-process-diagram .process-content-text {
	font-weight: 400;
	font-size: 16px;
	line-height: 1.6;
	color: var(--color-primary-navy);
	margin: 0;
}

/* Modal Styles */
.iriss-process-diagram .process-modal-overlay {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(25, 40, 95, 0.85);
	backdrop-filter: blur(4px);
	z-index: 1000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out, background 0.3s ease-in-out;
}

.iriss-process-diagram .process-modal-overlay.active {
	opacity: 1;
	visibility: visible;
}

/* Modal overlay color variants based on stage */
.iriss-process-diagram .process-modal-overlay.stage-explore {
	background: rgba(91, 94, 162, 0.88);
}

.iriss-process-diagram .process-modal-overlay.stage-imagine {
	background: rgba(130, 156, 80, 0.88);
}

.iriss-process-diagram .process-modal-overlay.stage-shape {
	background: rgba(200, 90, 0, 0.88);
}

.iriss-process-diagram .process-modal-overlay.stage-realise {
	background: rgba(190, 80, 85, 0.88);
}

.iriss-process-diagram .process-modal {
	background: var(--color-neutral-white);
	border-radius: 16px;
	padding: 40px 30px 30px;
	max-width: 400px;
	width: 100%;
	max-height: 85vh;
	overflow-y: auto;
	position: relative;
	transform: translateY(20px) scale(0.95);
	transition: transform 0.3s ease-in-out;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.iriss-process-diagram .process-modal-overlay.active .process-modal {
	transform: translateY(0) scale(1);
}

.iriss-process-diagram .process-modal-close {
	position: absolute;
	top: 12px;
	right: 12px;
	width: 36px;
	height: 36px;
	border: none;
	background: transparent;
	cursor: pointer;
	color: var(--color-primary-navy);
	opacity: 0.6;
	transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
}

.iriss-process-diagram .process-modal-close:hover,
.iriss-process-diagram .process-modal-close:focus-visible {
	opacity: 1;
	transform: scale(1.1);
}

.iriss-process-diagram .process-modal-close:focus-visible {
	outline: 2px solid var(--color-primary-navy);
	outline-offset: 2px;
}

.iriss-process-diagram .process-modal-title {
	font-weight: 800;
	font-size: 26px;
	margin: 0 0 15px 0;
	color: var(--color-primary-navy);
}

.iriss-process-diagram .process-modal-text {
	font-weight: 400;
	font-size: 16px;
	line-height: 1.7;
	color: var(--color-primary-navy);
	margin: 0;
}

/* Desktop/Mobile Layout Visibility */

/* Mobile layout hidden by default (shown below 800px) */
.iriss-process-diagram .process-diagram-mobile {
	display: none;
}

/* Desktop layout shown by default */
.iriss-process-diagram .process-diagram-desktop {
	display: flex;
}

/* Vertical overlay grid for mobile layout */
.iriss-process-diagram .process-overlay-vertical {
	grid-template-columns: 1fr;
	grid-template-rows: repeat(4, 1fr);
}

.iriss-process-diagram .process-overlay-vertical .process-stage-area {
	grid-column: 1;
	grid-row: span 1;
}

/* Responsive - Mobile (below 800px) */
@media (max-width: 799px) {
	/* Hide desktop layout and content box */
	.iriss-process-diagram .process-diagram-desktop,
	.iriss-process-diagram .process-content-box {
		display: none !important;
	}
	
	/* Show mobile layout */
	.iriss-process-diagram .process-diagram-mobile {
		display: flex;
	}
	
	.iriss-process-diagram .process-diagram-mobile {
		margin-bottom: 20px;
	}
	
	.iriss-process-diagram .process-diagram-mobile .process-diagram-inner {
		max-width: 320px;
		width: 100%;
	}
	
	.iriss-process-diagram .process-diagram-mobile .process-diagram-image {
		width: 100%;
		height: auto;
	}
	
	/* Adjust overlay padding for vertical layout */
	.iriss-process-diagram .process-diagram-mobile .process-overlay-container {
		padding: 15%;
	}
	
	/* Mobile label styling */
	.iriss-process-diagram .process-diagram-mobile .process-label {
		font-size: 18px;
	}
	
}

/* Even smaller screens */
@media (max-width: 480px) {
	.iriss-process-diagram .process-diagram-mobile .process-diagram-inner {
		max-width: 280px;
	}

	.iriss-process-diagram .process-diagram-mobile .process-label {
		font-size: 16px;
	}

	.iriss-process-diagram .process-modal {
		padding: 30px 18px 22px;
	}

	.iriss-process-diagram .process-modal-title {
		font-size: 22px;
	}

	.iriss-process-diagram .process-modal-text {
		font-size: 15px;
	}
}

/* Very small screens */
@media (max-width: 360px) {
	.iriss-process-diagram .process-diagram-mobile .process-label {
		font-size: 14px;
	}
}