/* Modern Professional Design for PalCalc */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
	/* Couleurs principales - palette moderne et raffinée */
	--primary: #2563eb;           /* Bleu moderne */
	--primary-light: #3b82f6;
	--primary-dark: #1d4ed8;
	--secondary: #64748b;         /* Gris slate */
	--tertiary: #10b981;          /* Vert emeraude */
	--accent: #f59e0b;            /* Amber */
	
	/* Couleurs neutres - Contraste amélioré */
	--gray-50: #f8fafc;
	--gray-100: #f1f5f9;
	--gray-200: #e2e8f0;
	--gray-300: #cbd5e1;
	--gray-400: #94a3b8;
	--gray-500: #64748b;
	--gray-600: #475569;
	--gray-700: #334155;
	--gray-800: #1e293b;
	--gray-900: #0f172a;
	
	/* Couleurs de texte avec meilleur contraste WCAG AA */
	--text-primary: #111827;
	--text-secondary: #1f2937;
	--text-muted: #4b5563;
	
	/* État des actions */
	--success: #10b981;
	--danger: #ef4444;
	--warning: #f59e0b;
	--info: #0ea5e9;
	
	/* Shadows modernes */
	--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
	--shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
	--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
	--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
	
	/* Typography */
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
	--font-logo: 'Orbitron', 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	
	/* Spacing */
	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-6: 1.5rem;
	--space-8: 2rem;
	--space-12: 3rem;
	--space-16: 4rem;
	
	/* Border radius */
	--radius-sm: 0.375rem;
	--radius: 0.5rem;
	--radius-lg: 0.75rem;
	--radius-xl: 1rem;
}

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

html {
	font-size: 16px;
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-sans);
	background-color: var(--gray-50);
	color: var(--text-primary);
	line-height: 1.6;
}

/* Typography moderne */
h1, h2, h3, h4, h5, h6 {
	font-weight: 600;
	line-height: 1.25;
	color: var(--text-primary);
	margin-bottom: var(--space-4);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
	margin-bottom: var(--space-4);
	color: var(--text-secondary);
}

/* Header moderne */
header {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--gray-200);
	position: sticky;
	top: 0;
	z-index: 1000;
	transition: all 0.3s ease;
}

nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
	max-width: 1200px;
	margin: 0 auto;
	padding: var(--space-4) var(--space-6);
}

/* Logo moderne et stylisé */
.logo {
	display: flex;
	align-items: center;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo a {
	display: flex;
	align-items: center;
	text-decoration: none !important;
	color: var(--text-primary) !important;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo a:hover {
	transform: translateY(-2px);
	text-decoration: none !important;
}

.logo a:visited,
.logo a:link,
.logo a:active {
	color: var(--text-primary) !important;
	text-decoration: none !important;
}

.logo a:focus {
	text-decoration: none !important;
	outline: none;
}

.logo svg {
	height: 36px;
	width: 36px;
	margin-right: var(--space-3);
	filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
	transition: all 0.3s ease;
}

.logo:hover svg {
	filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.2));
	transform: scale(1.05);
}

.logo-text {
	font-family: var(--font-logo);
	font-size: 1.5rem;
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--text-primary);
	transition: all 0.3s ease;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.logo:hover .logo-text {
	color: var(--primary);
}

.logo-highlight {
	background: linear-gradient(135deg, var(--primary), var(--tertiary));
	background-clip: text;
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	font-weight: 800;
	position: relative;
}

.logo-highlight::after {
	content: '';
	position: absolute;
	bottom: -2px;
	left: 0;
	right: 0;
	height: 2px;
	background: linear-gradient(90deg, var(--primary), var(--tertiary));
	border-radius: 1px;
	opacity: 0;
	transition: opacity 0.3s ease;
}

.logo:hover .logo-highlight::after {
	opacity: 1;
}

/* Animation subtile du logo */
@keyframes logoGlow {
	0%, 100% {
		filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
	}
	50% {
		filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.15));
	}
}

.logo svg {
	animation: logoGlow 4s ease-in-out infinite;
}

/* Navigation moderne */
.nav-links {
	display: flex;
	list-style: none;
	align-items: center;
	gap: var(--space-8);
}

/* Burger menu pour mobile */
.burger-menu {
	display: none;
	flex-direction: column;
	cursor: pointer;
	padding: var(--space-2);
	border: none;
	background: none;
	position: relative;
	z-index: 10002;
}

.burger-line {
	width: 24px;
	height: 2px;
	background-color: var(--text-primary);
	transition: all 0.3s ease;
	margin: 2px 0;
}

.burger-menu.active .burger-line:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}

.burger-menu.active .burger-line:nth-child(2) {
	opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -6px);
}

.nav-links a {
	color: var(--text-secondary);
	text-decoration: none;
	font-weight: 500;
	font-size: 0.9rem;
	transition: all 0.3s ease;
	padding: var(--space-2) var(--space-3);
	border-radius: var(--radius);
}

.nav-links a:hover {
	color: var(--primary);
	background-color: var(--gray-100);
}

/* Buttons modernes */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-3) var(--space-6);
	font-size: 0.9rem;
	font-weight: 500;
	border-radius: var(--radius);
	border: none;
	cursor: pointer;
	transition: all 0.2s ease;
	text-decoration: none;
	white-space: nowrap;
	outline: none;
	position: relative;
	overflow: hidden;
}

.btn:focus {
	outline: 2px solid var(--primary);
	outline-offset: 2px;
	box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.btn-primary {
	background-color: var(--primary);
	color: white;
	box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
	background-color: var(--primary-dark);
	box-shadow: var(--shadow);
	transform: translateY(-1px);
}

.btn-secondary {
	background-color: var(--gray-100);
	color: var(--gray-700);
	border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
	background-color: var(--gray-200);
	border-color: var(--gray-400);
}

.btn-secondary-on-white-bg {
	background-color: white;
	color: var(--gray-700);
	border: 1px solid var(--gray-300);
	box-shadow: var(--shadow-sm);
}

.btn-secondary-on-white-bg:hover {
	background-color: var(--gray-50);
	border-color: var(--gray-400);
	box-shadow: var(--shadow);
}

.btn-block {
	width: 100%;
}

.btn-block-sm {
	width: 100%;
}

/* Forms modernes */
.form-group {
	margin-bottom: var(--space-6);
}

.form-label {
	display: block;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--text-primary);
	margin-bottom: var(--space-2);
}

.form-control {
	width: 100%;
	padding: var(--space-3);
	font-size: 0.9rem;
	border: 1px solid var(--gray-300);
	border-radius: var(--radius);
	background-color: white;
	color: var(--text-primary);
	transition: all 0.2s ease;
	outline: none;
}

.form-control:focus {
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control::placeholder {
	color: var(--gray-400);
}

textarea.form-control {
	resize: vertical;
	min-height: 100px;
}

/* Checkbox moderne */
.form-check {
	display: flex;
	align-items: flex-start;
	gap: var(--space-2);
}

.form-check-input {
	width: 1rem;
	height: 1rem;
	border: 1px solid var(--gray-300);
	border-radius: var(--radius-sm);
	background-color: white;
	cursor: pointer;
	margin-top: 2px;
}

.form-check-input:checked {
	background-color: var(--primary);
	border-color: var(--primary);
}

.form-check-label {
	font-size: 0.875rem;
	color: var(--text-secondary);
	cursor: pointer;
	line-height: 1.4;
}

.form-text {
	font-size: 0.8rem;
	color: var(--text-muted);
	margin-top: var(--space-1);
}

/* Alerts modernes */
.alert {
	padding: var(--space-4);
	border-radius: var(--radius);
	margin-bottom: var(--space-4);
	border: 1px solid;
	font-size: 0.9rem;
}

.alert-success {
	background-color: rgba(16, 185, 129, 0.1);
	color: #065f46;
	border-color: rgba(16, 185, 129, 0.2);
}

.alert-danger {
	background-color: rgba(239, 68, 68, 0.1);
	color: #991b1b;
	border-color: rgba(239, 68, 68, 0.2);
}

.alert-warning {
	background-color: rgba(245, 158, 11, 0.1);
	color: #92400e;
	border-color: rgba(245, 158, 11, 0.2);
}

.alert-info {
	background-color: rgba(14, 165, 233, 0.1);
	color: #1e40af;
	border-color: rgba(14, 165, 233, 0.2);
}

/* Container */
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--space-6);
}

/* Footer moderne */
footer {
	background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
	color: white;
	padding: var(--space-16) 0 var(--space-8);
	position: relative;
	overflow: hidden;
}

footer::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: linear-gradient(90deg, var(--primary), var(--tertiary));
}

.footer-content {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--space-6);
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--space-8);
}

.footer-column h3 {
	color: white;
	font-size: 1.125rem;
	font-weight: 600;
	margin-bottom: var(--space-4);
	position: relative;
}

.footer-column h3::after {
	content: '';
	position: absolute;
	bottom: -8px;
	left: 0;
	width: 30px;
	height: 2px;
	background: var(--primary);
	border-radius: 1px;
}

.footer-column p {
	color: var(--gray-300);
	line-height: 1.6;
	margin-bottom: var(--space-4);
}

.footer-links {
	list-style: none;
	padding: 0;
}

.footer-links li {
	margin-bottom: var(--space-2);
}

.footer-links a {
	color: var(--gray-300);
	text-decoration: none;
	font-size: 0.9rem;
	transition: all 0.3s ease;
	display: inline-flex;
	align-items: center;
	padding: var(--space-1) 0;
}

.footer-links a:hover {
	color: white;
	transform: translateX(4px);
	padding-left: var(--space-2);
}

.footer-links a::before {
	content: '→';
	opacity: 0;
	margin-right: var(--space-2);
	transition: all 0.3s ease;
	transform: translateX(-10px);
}

.footer-links a:hover::before {
	opacity: 1;
	transform: translateX(0);
}

.social-icons {
	display: flex;
	gap: var(--space-3);
	margin-top: var(--space-4);
}

.social-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: rgba(255, 255, 255, 0.1);
	border-radius: var(--radius);
	color: var(--gray-300);
	text-decoration: none;
	font-size: 1.2rem;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
	background: var(--primary);
	color: white;
	transform: translateY(-2px);
	box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.copyright {
	max-width: 1200px;
	margin: 0 auto;
	padding: var(--space-8) var(--space-6) 0;
	border-top: 1px solid rgba(255, 255, 255, 0.1);
	margin-top: var(--space-8);
	text-align: center;
	color: var(--gray-400);
	font-size: 0.875rem;
}

/* Responsive footer */
@media (max-width: 768px) {
	footer {
		padding: var(--space-12) 0 var(--space-6);
	}
	
	.footer-content {
		grid-template-columns: 1fr;
		gap: var(--space-6);
		text-align: center;
	}
	
	.footer-column h3::after {
		left: 50%;
		transform: translateX(-50%);
	}
	
	.social-icons {
		justify-content: center;
	}
}

/* Tables modernes et responsive */
.box-list,
.palette-list,
.config-list,
table {
	width: 100%;
	border-collapse: collapse;
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	border: 1px solid var(--gray-200);
	background: white;
}

.box-list th,
.palette-list th,
.config-list th,
table th {
	background: var(--gray-100);
	color: var(--text-primary);
	font-weight: 600;
	padding: var(--space-4);
	text-align: left;
	border-bottom: 1px solid var(--gray-200);
}

.box-list td,
.palette-list td,
.config-list td,
table td {
	padding: var(--space-4);
	border-bottom: 1px solid var(--gray-200);
	color: var(--text-secondary);
}

.box-list tr:last-child td,
.palette-list tr:last-child td,
.config-list tr:last-child td,
table tr:last-child td {
	border-bottom: none;
}

.box-list tr:hover,
.palette-list tr:hover,
.config-list tr:hover,
table tr:hover {
	background: var(--gray-50);
}

/* Text utilities */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* Password field wrapper */
.password-field-wrapper {
	position: relative;
}

.password-toggle {
	position: absolute;
	right: var(--space-3);
	top: 50%;
	transform: translateY(-50%);
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--space-1);
	color: var(--gray-400);
	font-size: 1.2rem;
}

.password-toggle:hover {
	color: var(--gray-600);
}

/* Styles pour le CAPTCHA personnalisé */
.captcha-container {
	margin-bottom: var(--space-6);
}

.captcha-wrapper {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-4);
	margin-bottom: var(--space-4);
	padding: var(--space-6);
	background: white;
	border: 1px solid var(--gray-200);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
}

.captcha-image-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-2);
}

.captcha-image {
	border: 1px solid var(--gray-300);
	border-radius: var(--radius);
	background: white;
	cursor: zoom-in;
	transition: all 0.3s ease;
	box-shadow: var(--shadow-sm);
}

.captcha-image:hover {
	transform: scale(1.5);
	z-index: 1000;
	position: relative;
	border-color: var(--primary);
	box-shadow: var(--shadow-xl);
}

.btn-captcha-refresh {
	background: var(--primary);
	color: white;
	border: none;
	border-radius: var(--radius);
	padding: var(--space-2) var(--space-4);
	cursor: pointer;
	font-size: 0.875rem;
	font-weight: 500;
	transition: all 0.2s ease;
	box-shadow: var(--shadow-sm);
}

.btn-captcha-refresh:hover {
	background: var(--primary-dark);
	box-shadow: var(--shadow);
	transform: translateY(-1px);
}

.btn-captcha-refresh:active {
	transform: translateY(0);
	box-shadow: var(--shadow-sm);
}

.captcha-container input[type="text"] {
	font-family: var(--font-mono);
	font-size: 1rem;
	font-weight: 600;
	text-align: center;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

/* Skip links pour l'accessibilité */
.skip-link {
	position: absolute;
	top: -42px;
	left: 6px;
	background: var(--primary);
	color: white;
	padding: 8px;
	text-decoration: none;
	border-radius: 4px;
	z-index: 10000;
	font-weight: 500;
	transition: top 0.3s ease;
}

.skip-link:focus {
	top: 6px;
	outline: 2px solid var(--warning);
	outline-offset: 2px;
}

/* Focus indicators améliorés */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
	outline: 2px solid var(--primary);
	outline-offset: 2px;
	border-radius: 2px;
}

/* Focus pour les liens de navigation */
.nav-links a:focus {
	outline: 2px solid var(--primary);
	outline-offset: 2px;
	background-color: rgba(37, 99, 235, 0.1);
}

/* Responsive design moderne */
@media (max-width: 768px) {
	:root {
		--space-4: 0.75rem;
		--space-6: 1rem;
		--space-8: 1.5rem;
	}
	
	nav {
		padding: var(--space-3) var(--space-4);
	}
	
	.burger-menu {
		display: flex;
	}
	
	.nav-links {
		position: fixed;
		top: 0;
		right: -100%;
		width: 280px;
		height: 100vh;
		background: white;
		flex-direction: column;
		justify-content: flex-start;
		align-items: flex-start;
		padding: var(--space-16) var(--space-6) var(--space-6);
		box-shadow: var(--shadow-xl);
		border-left: 1px solid var(--gray-200);
		transition: right 0.3s ease;
		z-index: 10000;
		gap: var(--space-4);
		pointer-events: auto;
	}
	
	.nav-links.mobile-open {
		right: 0;
	}
	
	.nav-links li {
		width: 100%;
	}
	
	.nav-links a {
		display: block;
		width: 100%;
		padding: var(--space-3) var(--space-4);
		border-radius: var(--radius);
		border: 1px solid transparent;
		transition: all 0.2s ease;
		text-align: left;
	}
	
	.nav-links a:hover {
		background-color: var(--gray-100);
		border-color: var(--gray-300);
	}
	
	/* Overlay pour fermer le menu */
	.mobile-overlay {
		position: fixed;
		top: 0;
		left: 0;
		width: 100vw;
		height: 100vh;
		background: rgba(0, 0, 0, 0.5);
		z-index: 10;
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
		pointer-events: none;
		display: block;
	}
	
	.mobile-overlay.active {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}
	
	.container {
		padding: 0 var(--space-4);
	}
	
	h1 { font-size: 1.875rem; }
	h2 { font-size: 1.5rem; }
	
	.btn-block-sm {
		display: block;
		width: 100%;
		text-align: center;
		margin-bottom: var(--space-2);
	}
	
	/* Adaptations du CAPTCHA pour mobile */
	.captcha-wrapper {
		padding: var(--space-4);
		gap: var(--space-3);
	}
	
	.captcha-image:hover {
		transform: scale(2);
	}
	
	.btn-captcha-refresh {
		width: auto;
		min-width: 120px;
	}
	
	.captcha-container input[type="text"] {
		font-size: 1.1rem;
		padding: var(--space-3);
	}
	
	/* Transformation des tableaux en cards pour mobile */
	.box-list,
	.palette-list,
	.config-list,
	table {
		border: none;
		box-shadow: none;
		background: transparent;
	}
	
	.box-list thead,
	.palette-list thead,
	.config-list thead,
	table thead {
		display: none;
	}
	
	.box-list tbody,
	.palette-list tbody,
	.config-list tbody,
	table tbody {
		display: grid;
		gap: var(--space-4);
	}
	
	.box-list tr,
	.palette-list tr,
	.config-list tr,
	table tr {
		display: block;
		background: white;
		border: 1px solid var(--gray-200);
		border-radius: var(--radius);
		padding: var(--space-4);
		box-shadow: var(--shadow-sm);
		margin-bottom: var(--space-3);
	}
	
	.box-list tr:hover,
	.palette-list tr:hover,
	.config-list tr:hover,
	table tr:hover {
		background: white;
		box-shadow: var(--shadow);
		transform: translateY(-2px);
		transition: all 0.2s ease;
	}
	
	.box-list td,
	.palette-list td,
	.config-list td,
	table td {
		display: block;
		padding: var(--space-2) 0;
		border: none;
		position: relative;
		padding-left: 120px;
		min-height: 1.5em;
	}
	
	.box-list td:before,
	.palette-list td:before,
	.config-list td:before,
	table td:before {
		content: attr(data-label);
		position: absolute;
		left: 0;
		top: var(--space-2);
		font-weight: 600;
		color: var(--text-primary);
		width: 110px;
		font-size: 0.85rem;
	}
	
	/* Boutons dans les cards mobiles */
	.box-list td:last-child,
	.palette-list td:last-child,
	.config-list td:last-child,
	table td:last-child {
		padding-left: 0;
		margin-top: var(--space-3);
		padding-top: var(--space-3);
		border-top: 1px solid var(--gray-200);
	}
	
	.box-list td:last-child:before,
	.palette-list td:last-child:before,
	.config-list td:last-child:before,
	table td:last-child:before {
		display: none;
	}
}