* {
box-sizing: border-box;
margin: 0;
padding: 0;
}

:root {
–primary-color: #9c27b0;
–primary-light: #f3e5f5;
–primary-dark: #7b1fa2;
–text-color: #333;
–text-light: #666;
–bg-light: #f8f9fa;
–border-color: #e9ecef;
–container-padding: 30px;
–card-radius: 8px;
–shadow: 0 2px 10px rgba(0,0,0,0.1);
–transition: all 0.3s ease;
}

body {
font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif;
margin: 0;
padding: 20px;
background-color: #f5f5f5;
color: var(–text-color);
line-height: 1.6;
}

.container {
width: 100%;
max-width: 1200px;
margin: 0 auto;
background-color: white;
padding: var(–container-padding);
border-radius: var(–card-radius);
box-shadow: var(–shadow);
}

h1 {
color: #2c3e50;
text-align: center;
margin-bottom: 30px;
font-size: 2.2em;
word-wrap: break-word;
}

.intro {
margin-bottom: 30px;
line-height: 1.6;
font-size: 1.1em;
}

.intro p {
margin-bottom: 15px;
}

.resources-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 25px;
margin-top: 30px;
}

.resource-card {
background-color: var(–bg-light);
border-radius: var(–card-radius);
padding: 25px;
text-align: center;
transition: var(–transition);
box-shadow: 0 2px 5px rgba(0,0,0,0.05);
display: flex;
flex-direction: column;
justify-content: center;
min-height: 200px;
text-decoration: none;
color: var(–text-color);
border: 2px solid var(–border-color);
touch-action: manipulation;
position: relative;
overflow: hidden;
}

.resource-card:hover, .resource-card:focus {
transform: translateY(-5px);
box-shadow: 0 5px 15px rgba(0,0,0,0.1);
background-color: #fff;
border-color: var(–primary-color);
outline: none;
}

.resource-card:active {
transform: translateY(0);
transition: transform 0.1s;
}

.resource-card h3 {
margin-top: 0;
color: var(–primary-color);
font-size: 1.4em;
margin-bottom: 10px;
}

.resource-card p {
margin-bottom: 15px;
font-size: 1em;
color: var(–text-light);
line-height: 1.5;
}

.examples {
margin-top: 15px;
font-style: italic;
color: #2c3e50;
font-size: 0.95em;
}

.icon {
font-size: 2.2em;
margin-bottom: 15px;
color: var(–primary-color);
}

footer {
margin-top: 40px;
text-align: center;
font-size: 0.9em;
color: var(–text-light);
padding-top: 20px;
border-top: 1px solid #eee;
}

footer p {
margin-bottom: 10px;
}

.navigation {
display: flex;
justify-content: space-between;
margin-bottom: 20px;
flex-wrap: wrap;
gap: 10px;
}

.button {
display: inline-block;
padding: 10px 15px;
background-color: var(–primary-color);
color: white;
border-radius: 5px;
text-decoration: none;
font-weight: bold;
transition: background-color 0.3s;
touch-action: manipulation;
text-align: center;
min-width: 130px;
border: none;
cursor: pointer;
}

.button:hover, .button:focus {
background-color: var(–primary-dark);
outline: none;
}

.level-tabs {
display: flex;
justify-content: center;
margin: 20px 0;
gap: 10px;
flex-wrap: wrap;
}

.level-tab {
padding: 8px 16px;
background-color: #e9ecef;
border-radius: 20px;
text-decoration: none;
color: #495057;
font-weight: 500;
transition: all 0.3s;
touch-action: manipulation;
text-align: center;
min-width: 100px;
}

.level-tab:hover, .level-tab:focus, .level-tab.active {
background-color: var(–primary-color);
color: white;
outline: none;
}

.info-box {
background-color: var(–bg-light);
border-left: 4px solid var(–primary-color);
padding: 15px;
margin: 20px 0;
border-radius: 4px;
}

.info-box h4 {
margin-top: 0;
color: var(–primary-color);
margin-bottom: 10px;
}

.table-container {
overflow-x: auto;
margin: 20px 0;
border-radius: var(–card-radius);
box-shadow: var(–shadow);
}

table {
width: 100%;
border-collapse: collapse;
min-width: 600px;
}

th, td {
padding: 12px 15px;
text-align: left;
border-bottom: 1px solid #ddd;
}

th {
background-color: var(–primary-light);
color: var(–primary-color);
position: sticky;
top: 0;
}

tr:hover {
background-color: #f5f5f5;
}

/* Styles pour écrans moyens (tablettes) */
@media screen and (max-width: 992px) {
:root {
–container-padding: 20px;
}

.resources-grid {
grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
gap: 20px;
}

h1 {
font-size: 2em;
}

.intro {
font-size: 1em;
}

.resource-card {
min-height: 180px;
padding: 20px;
}
}

/* Styles pour petits écrans (téléphones) */
@media screen and (max-width: 768px) {
:root {
–container-padding: 15px;
}

body {
padding: 10px;
}

.container {
padding: var(–container-padding);
margin: 0;
border-radius: 6px;
}

.resources-grid {
grid-template-columns: 1fr;
gap: 15px;
}

h1 {
font-size: 1.8em;
margin-bottom: 20px;
}

.intro p {
font-size: 1em;
margin-bottom: 10px;
}

/* Navigation responsive */
.navigation {
flex-direction: column;
gap: 10px;
}

.button {
display: block;
width: 100%;
padding: 12px 15px;
}

/* Onglets de niveau responsive */
.level-tabs {
justify-content: space-between;
}

.level-tab {
flex: 1;
padding: 10px 8px;
font-size: 0.9em;
min-width: 30%;
}

/* Cartes optimisées pour tactile */
.resource-card {
min-height: auto;
padding: 20px 15px;
}

.resource-card h3 {
font-size: 1.2em;
}

.icon {
font-size: 1.8em;
margin-bottom: 10px;
}

/* Tableaux responsives */
.table-container {
margin: 15px -5px;
width: calc(100% + 10px);
}

table {
font-size: 0.9em;
}

th, td {
padding: 10px 8px;
}
}

/* Support pour très petits écrans */
@media screen and (max-width: 360px) {
.level-tab {
font-size: 0.8em;
padding: 8px 5px;
}

.resource-card h3 {
font-size: 1.1em;
}

.examples {
font-size: 0.9em;
}
}

/* Support pour appareils à haute densité de pixels */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
body {
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
}

/* Se eliminó completamente la sección de modo oscuro para mantener el aspecto original del sitio */