/**
 * ESG Platform UI - Design Tokens & Component Library
 * Based on reference design from https://esgplatform-a2aa3izy.manus.space/
 */

/* ============================================================================
   DESIGN TOKENS (CSS Custom Properties)
   ============================================================================ */

:root {
	/* Color Palette - Reference Design */
	--primary-green: #00A86B;
	--primary-blue: #0066CC;
	--primary-yellow: #FFB81C;
	--dark-navy: #1A1A1A;
	--light-mint: #E8F4F8;
	--light-yellow: #FFF8E1;
	--light-blue: #E3F2FD;
	--light-gray: #F5F7FA;
	--success: #00A86B;
	--warning: #FFB81C;
	--danger: #E74C3C;
	--info: #0066CC;

	/* Neutral Colors */
	--bg: #F5F7FA;
	--surface: #FFFFFF;
	--text: #1A1A1A;
	--text-secondary: #666666;
	--muted: #999999;
	--border: #E0E0E0;

	/* Typography */
	--font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
	--font-size-xs: 12px;
	--font-size-sm: 14px;
	--font-size-base: 16px;
	--font-size-lg: 18px;
	--font-size-xl: 24px;
	--font-size-2xl: 32px;
	--font-size-3xl: 40px;
	--font-weight-regular: 400;
	--font-weight-medium: 500;
	--font-weight-semibold: 600;
	--font-weight-bold: 700;
	--line-height: 1.5;
	--line-height-tight: 1.2;

	/* Spacing Scale */
	--space-1: 4px;
	--space-2: 8px;
	--space-3: 12px;
	--space-4: 16px;
	--space-5: 24px;
	--space-6: 32px;
	--space-7: 48px;
	--space-8: 64px;

	/* Border Radius */
	--radius-sm: 6px;
	--radius-md: 8px;
	--radius-lg: 12px;
	--radius-xl: 16px;

	/* Shadows */
	--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

	/* Transitions */
	--transition-fast: 150ms ease-in-out;
	--transition-base: 200ms ease-in-out;
	--transition-slow: 300ms ease-in-out;
}

/* ============================================================================
   BASE STYLES (Scoped to .esgplatform-app)
   ============================================================================ */

.esgplatform-app {
	font-family: var(--font-sans);
	font-size: var(--font-size-base);
	line-height: var(--line-height);
	color: var(--text);
	background-color: var(--bg);
}

.esgplatform-app * {
	box-sizing: border-box;
}

.esgplatform-app a {
	color: var(--primary-blue);
	text-decoration: none;
	transition: color var(--transition-base);
}

.esgplatform-app a:hover {
	color: var(--primary-green);
	text-decoration: underline;
}

.esgplatform-app a:focus-visible {
	outline: 2px solid var(--primary-blue);
	outline-offset: 2px;
	border-radius: var(--radius-sm);
}

/* ============================================================================
   LAYOUT COMPONENTS
   ============================================================================ */

.esgplatform-app .container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--space-4);
}

@media (min-width: 768px) {
	.esgplatform-app .container {
		padding: 0 var(--space-5);
	}
}

.esgplatform-app .wrapper {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.esgplatform-app .main-content {
	flex: 1;
	padding: var(--space-6) 0;
}

.esgplatform-app .grid {
	display: grid;
	gap: var(--space-5);
	grid-template-columns: 1fr;
}

@media (min-width: 768px) {
	.esgplatform-app .grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.esgplatform-app .grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.esgplatform-app .grid-2 {
	grid-template-columns: 1fr;
}

@media (min-width: 768px) {
	.esgplatform-app .grid-2 {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* ============================================================================
   TYPOGRAPHY
   ============================================================================ */

.esgplatform-app h1,
.esgplatform-app h2,
.esgplatform-app h3,
.esgplatform-app h4,
.esgplatform-app h5,
.esgplatform-app h6 {
	margin: 0;
	font-weight: var(--font-weight-bold);
	line-height: var(--line-height-tight);
	color: var(--dark-navy);
}

.esgplatform-app h1 {
	font-size: var(--font-size-3xl);
	margin-bottom: var(--space-4);
}

.esgplatform-app h2 {
	font-size: var(--font-size-xl);
	margin-bottom: var(--space-3);
}

.esgplatform-app h3 {
	font-size: var(--font-size-lg);
	margin-bottom: var(--space-3);
}

.esgplatform-app p {
	margin: 0 0 var(--space-4) 0;
	color: var(--text-secondary);
}

.esgplatform-app .text-muted {
	color: var(--text-secondary);
	font-size: var(--font-size-sm);
}

.esgplatform-app .text-small {
	font-size: var(--font-size-sm);
}

.esgplatform-app .text-center {
	text-align: center;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.esgplatform-app .btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-3) var(--space-5);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-semibold);
	border: none;
	border-radius: var(--radius-md);
	cursor: pointer;
	transition: all var(--transition-base);
	text-decoration: none;
	white-space: nowrap;
	user-select: none;
	-webkit-user-select: none;
}

.esgplatform-app .btn:focus-visible {
	outline: 2px solid var(--primary-blue);
	outline-offset: 2px;
}

.esgplatform-app .btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

/* Primary Button - Green */
.esgplatform-app .btn-primary {
	background-color: var(--primary-green);
	color: white;
}

.esgplatform-app .btn-primary:hover:not(:disabled) {
	background-color: #008C5A;
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

.esgplatform-app .btn-primary:active:not(:disabled) {
	background-color: #006B44;
	transform: translateY(0);
}

/* Secondary Button - Yellow */
.esgplatform-app .btn-secondary {
	background-color: var(--primary-yellow);
	color: var(--dark-navy);
	border: 2px solid var(--primary-yellow);
}

.esgplatform-app .btn-secondary:hover:not(:disabled) {
	background-color: #E6A500;
	border-color: #E6A500;
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

/* Ghost Button */
.esgplatform-app .btn-ghost {
	background-color: transparent;
	color: var(--text);
	border: 1px solid var(--border);
}

.esgplatform-app .btn-ghost:hover:not(:disabled) {
	background-color: var(--bg);
	border-color: var(--text);
}

/* Danger Button */
.esgplatform-app .btn-danger {
	background-color: var(--danger);
	color: white;
}

.esgplatform-app .btn-danger:hover:not(:disabled) {
	background-color: #C73A2C;
	box-shadow: var(--shadow-md);
}

/* Button Sizes */
.esgplatform-app .btn-sm {
	padding: var(--space-2) var(--space-3);
	font-size: var(--font-size-sm);
}

.esgplatform-app .btn-lg {
	padding: var(--space-4) var(--space-6);
	font-size: var(--font-size-lg);
}

/* Button Block */
.esgplatform-app .btn-block {
	width: 100%;
}

/* ============================================================================
   CARDS & PANELS
   ============================================================================ */

.esgplatform-app .card {
	background-color: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	padding: var(--space-5);
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-base);
}

.esgplatform-app .card:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

.esgplatform-app .card-header {
	margin-bottom: var(--space-4);
	padding-bottom: var(--space-4);
	border-bottom: 1px solid var(--border);
}

.esgplatform-app .card-header h2,
.esgplatform-app .card-header h3 {
	margin: 0;
}

.esgplatform-app .card-body {
	margin-bottom: var(--space-4);
}

.esgplatform-app .card-body:last-child {
	margin-bottom: 0;
}

.esgplatform-app .card-footer {
	padding-top: var(--space-4);
	border-top: 1px solid var(--border);
	display: flex;
	gap: var(--space-3);
	justify-content: flex-end;
}

/* Feature Card with Background Color */
.esgplatform-app .card-feature {
	border: none;
	padding: var(--space-5);
}

.esgplatform-app .card-feature.mint {
	background-color: var(--light-mint);
}

.esgplatform-app .card-feature.blue {
	background-color: var(--light-blue);
}

.esgplatform-app .card-feature.yellow {
	background-color: var(--light-yellow);
}

/* ============================================================================
   FORMS
   ============================================================================ */

.esgplatform-app .form-group {
	margin-bottom: var(--space-5);
}

.esgplatform-app .form-group:last-child {
	margin-bottom: 0;
}

.esgplatform-app label {
	display: block;
	margin-bottom: var(--space-2);
	font-weight: var(--font-weight-semibold);
	color: var(--text);
}

.esgplatform-app input[type="text"],
.esgplatform-app input[type="email"],
.esgplatform-app input[type="password"],
.esgplatform-app input[type="number"],
.esgplatform-app input[type="date"],
.esgplatform-app input[type="file"],
.esgplatform-app textarea,
.esgplatform-app select {
	width: 100%;
	padding: var(--space-3) var(--space-4);
	font-size: var(--font-size-base);
	font-family: var(--font-sans);
	background-color: var(--bg);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.esgplatform-app input[type="text"]:focus,
.esgplatform-app input[type="email"]:focus,
.esgplatform-app input[type="password"]:focus,
.esgplatform-app input[type="number"]:focus,
.esgplatform-app input[type="date"]:focus,
.esgplatform-app input[type="file"]:focus,
.esgplatform-app textarea:focus,
.esgplatform-app select:focus {
	outline: none;
	border-color: var(--primary-blue);
	box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.esgplatform-app textarea {
	resize: vertical;
	min-height: 120px;
}

.esgplatform-app .form-error {
	color: var(--danger);
	font-size: var(--font-size-sm);
	margin-top: var(--space-2);
	display: block;
}

.esgplatform-app .form-group.has-error input,
.esgplatform-app .form-group.has-error textarea,
.esgplatform-app .form-group.has-error select {
	border-color: var(--danger);
}

.esgplatform-app .form-group.has-error input:focus,
.esgplatform-app .form-group.has-error textarea:focus,
.esgplatform-app .form-group.has-error select:focus {
	box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

/* ============================================================================
   ALERTS & MESSAGES
   ============================================================================ */

.esgplatform-app .alert {
	padding: var(--space-4) var(--space-5);
	border-radius: var(--radius-md);
	margin-bottom: var(--space-4);
	border-left: 4px solid;
}

.esgplatform-app .alert p {
	margin: 0;
}

.esgplatform-app .alert-success {
	background-color: #E8F5E9;
	border-color: var(--success);
	color: #2E7D32;
}

.esgplatform-app .alert-error {
	background-color: #FFEBEE;
	border-color: var(--danger);
	color: #C62828;
}

.esgplatform-app .alert-warning {
	background-color: var(--light-yellow);
	border-color: var(--warning);
	color: #F57F17;
}

.esgplatform-app .alert-info {
	background-color: var(--light-blue);
	border-color: var(--info);
	color: #1565C0;
}

/* ============================================================================
   TABLES
   ============================================================================ */

.esgplatform-app .table {
	width: 100%;
	border-collapse: collapse;
	background-color: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	overflow: hidden;
}

.esgplatform-app .table thead {
	background-color: var(--bg);
	border-bottom: 2px solid var(--border);
}

.esgplatform-app .table th {
	padding: var(--space-3) var(--space-4);
	text-align: left;
	font-weight: var(--font-weight-semibold);
	color: var(--text);
}

.esgplatform-app .table td {
	padding: var(--space-3) var(--space-4);
	border-bottom: 1px solid var(--border);
}

.esgplatform-app .table tbody tr:hover {
	background-color: var(--bg);
}

.esgplatform-app .table tbody tr:last-child td {
	border-bottom: none;
}

/* ============================================================================
   BADGES & STATUS CHIPS
   ============================================================================ */

.esgplatform-app .badge {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-1) var(--space-3);
	font-size: var(--font-size-xs);
	font-weight: var(--font-weight-semibold);
	border-radius: 20px;
	white-space: nowrap;
}

.esgplatform-app .badge-success {
	background-color: #E8F5E9;
	color: #2E7D32;
}

.esgplatform-app .badge-error {
	background-color: #FFEBEE;
	color: #C62828;
}

.esgplatform-app .badge-warning {
	background-color: var(--light-yellow);
	color: #F57F17;
}

.esgplatform-app .badge-info {
	background-color: var(--light-blue);
	color: #1565C0;
}

.esgplatform-app .badge-primary {
	background-color: var(--light-mint);
	color: var(--primary-green);
}

/* ============================================================================
   LOADERS & SPINNERS
   ============================================================================ */

.esgplatform-app .spinner {
	display: inline-block;
	width: 20px;
	height: 20px;
	border: 3px solid var(--border);
	border-top-color: var(--primary-green);
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}

.esgplatform-app .spinner-lg {
	width: 40px;
	height: 40px;
	border-width: 4px;
}

/* ============================================================================
   MODALS
   ============================================================================ */

.esgplatform-app .modal-overlay {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: rgba(0, 0, 0, 0.5);
	z-index: 1000;
	align-items: center;
	justify-content: center;
}

.esgplatform-app .modal-overlay.active {
	display: flex;
}

.esgplatform-app .modal {
	background-color: var(--surface);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	max-width: 500px;
	width: 90%;
	max-height: 90vh;
	overflow-y: auto;
}

.esgplatform-app .modal-header {
	padding: var(--space-5);
	border-bottom: 1px solid var(--border);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.esgplatform-app .modal-header h2 {
	margin: 0;
}

.esgplatform-app .modal-close {
	background: none;
	border: none;
	font-size: var(--font-size-lg);
	cursor: pointer;
	color: var(--text-secondary);
	padding: 0;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-sm);
	transition: background-color var(--transition-base);
}

.esgplatform-app .modal-close:hover {
	background-color: var(--bg);
}

.esgplatform-app .modal-body {
	padding: var(--space-5);
}

.esgplatform-app .modal-footer {
	padding: var(--space-5);
	border-top: 1px solid var(--border);
	display: flex;
	gap: var(--space-3);
	justify-content: flex-end;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.esgplatform-app .hero {
	background-color: var(--light-mint);
	padding: var(--space-7) var(--space-4);
	border-radius: var(--radius-lg);
	margin-bottom: var(--space-7);
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-6);
	align-items: center;
}

@media (min-width: 768px) {
	.esgplatform-app .hero {
		padding: var(--space-8) var(--space-6);
		grid-template-columns: 1fr 1fr;
	}
}

.esgplatform-app .hero-content h1 {
	font-size: var(--font-size-3xl);
	margin-bottom: var(--space-3);
	color: var(--dark-navy);
}

.esgplatform-app .hero-content h1 .green {
	color: var(--primary-green);
}

.esgplatform-app .hero-content h1 .blue {
	color: var(--primary-blue);
}

.esgplatform-app .hero-content p {
	font-size: var(--font-size-lg);
	color: var(--text-secondary);
	margin-bottom: var(--space-5);
}

.esgplatform-app .hero-cta {
	display: flex;
	gap: var(--space-3);
	flex-wrap: wrap;
}

.esgplatform-app .hero-image {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 300px;
}

.esgplatform-app .hero-image img {
	max-width: 100%;
	height: auto;
	border-radius: var(--radius-lg);
}

/* ============================================================================
   ACCORDION
   ============================================================================ */

.esgplatform-app .accordion {
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	overflow: hidden;
}

.esgplatform-app .accordion-item {
	border-bottom: 1px solid var(--border);
}

.esgplatform-app .accordion-item:last-child {
	border-bottom: none;
}

.esgplatform-app .accordion-header {
	background-color: var(--surface);
	padding: var(--space-4) var(--space-5);
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-weight: var(--font-weight-semibold);
	transition: background-color var(--transition-base);
	border: none;
	width: 100%;
	text-align: left;
}

.esgplatform-app .accordion-header:hover {
	background-color: var(--bg);
}

.esgplatform-app .accordion-header.active {
	background-color: var(--light-mint);
	color: var(--primary-green);
}

.esgplatform-app .accordion-icon {
	transition: transform var(--transition-base);
	font-size: var(--font-size-lg);
}

.esgplatform-app .accordion-header.active .accordion-icon {
	transform: rotate(180deg);
}

.esgplatform-app .accordion-content {
	max-height: 0;
	overflow: hidden;
	transition: max-height var(--transition-slow);
	background-color: var(--bg);
}

.esgplatform-app .accordion-content.active {
	max-height: 1000px;
	padding: var(--space-5);
}

.esgplatform-app .accordion-content p {
	margin: 0;
}

/* ============================================================================
   RESPONSIVE UTILITIES
   ============================================================================ */

@media (max-width: 767px) {
	.esgplatform-app .hide-mobile {
		display: none;
	}
}

@media (min-width: 768px) {
	.esgplatform-app .hide-desktop {
		display: none;
	}
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.esgplatform-app .mt-1 { margin-top: var(--space-1); }
.esgplatform-app .mt-2 { margin-top: var(--space-2); }
.esgplatform-app .mt-3 { margin-top: var(--space-3); }
.esgplatform-app .mt-4 { margin-top: var(--space-4); }
.esgplatform-app .mt-5 { margin-top: var(--space-5); }
.esgplatform-app .mt-6 { margin-top: var(--space-6); }

.esgplatform-app .mb-1 { margin-bottom: var(--space-1); }
.esgplatform-app .mb-2 { margin-bottom: var(--space-2); }
.esgplatform-app .mb-3 { margin-bottom: var(--space-3); }
.esgplatform-app .mb-4 { margin-bottom: var(--space-4); }
.esgplatform-app .mb-5 { margin-bottom: var(--space-5); }
.esgplatform-app .mb-6 { margin-bottom: var(--space-6); }

.esgplatform-app .p-1 { padding: var(--space-1); }
.esgplatform-app .p-2 { padding: var(--space-2); }
.esgplatform-app .p-3 { padding: var(--space-3); }
.esgplatform-app .p-4 { padding: var(--space-4); }
.esgplatform-app .p-5 { padding: var(--space-5); }
.esgplatform-app .p-6 { padding: var(--space-6); }

.esgplatform-app .flex { display: flex; }
.esgplatform-app .flex-col { flex-direction: column; }
.esgplatform-app .gap-2 { gap: var(--space-2); }
.esgplatform-app .gap-3 { gap: var(--space-3); }
.esgplatform-app .gap-4 { gap: var(--space-4); }
.esgplatform-app .gap-5 { gap: var(--space-5); }

.esgplatform-app .text-success { color: var(--success); }
.esgplatform-app .text-danger { color: var(--danger); }
.esgplatform-app .text-warning { color: var(--warning); }
.esgplatform-app .text-info { color: var(--info); }
.esgplatform-app .text-primary { color: var(--primary-green); }