.inline-filter {
        display: flex;
        align-items: flex-end;
        gap: 0.5rem;
        margin-right: 1.5rem;
        min-width: 180px;
}
.inline-filter label {
        margin-bottom: 0;
        font-size: 1.01rem;
        color: var(--text-secondary);
        font-weight: 500;
}
.inline-filter select {
        min-width: 120px;
        font-size: 1rem;
        padding: 0.6rem 1rem;
        border-radius: 8px;
        border: 2px solid var(--border-color);
        background: var(--bg-primary);
        transition: var(--transition);
}
.inline-filter select:focus {
        border-color: var(--primary-color);
}
@media (max-width: 900px) {
    .inline-filter {
        margin-right: 0;
        min-width: 120px;
        width: 100%;
    }
}
/* === Variables et Configuration === */
:root {
    --primary-color: #2c5f7f;
    --secondary-color: #5a9bb5;
    --accent-color: #7eb3cc;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-sidebar: #edf2f7;
    --border-color: #e2e8f0;
    --success-color: #48bb78;
    --warning-color: #f6ad55;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

/* === Reset et Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    font-size: 16px;
}

/* === Layout === */
.layout {
    display: flex;
    min-height: 100vh;
}

/* === Sidebar === */
.sidebar {
    width: 260px;
    background: var(--bg-sidebar);
    min-height: 100vh;
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar h2 {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-color);
}

.sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar li {
    margin-bottom: 0.5rem;
}

.sidebar a {
    display: block;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.sidebar a:hover {
    background-color: var(--bg-primary);
    color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

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

/* === Content === */
.content {
    flex: 1;
    padding: 2.5rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* === Messages Flash === */
.flash-messages {
    background: linear-gradient(135deg, #fff3cd 0%, #fffae6 100%);
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--warning-color);
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.flash-messages.success {
    background: linear-gradient(135deg, #d4edda 0%, #e7f5e9 100%);
    border-left-color: var(--success-color);
}

/* === Titres === */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-color);
}

h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

/* === Cartes === */
.card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

/* === Formulaires === */
form {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--bg-primary);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(90, 155, 181, 0.1);
}

/* === Boutons === */
button,
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

button:hover,
.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

button:active,
.btn:active {
    transform: translateY(0);
}

button.secondary,
.btn.secondary {
    background-color: var(--bg-sidebar);
    color: var(--text-primary);
}

button.secondary:hover,
.btn.secondary:hover {
    background-color: var(--border-color);
}

/* === Filtres et Recherche === */
.filters {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filters label {
    display: block;
    margin-bottom: 0.5rem;
}

.filters select,
.filters input[type="text"] {
    margin-bottom: 0;
}

.filters .search-box {
    flex: 1;
    min-width: 250px;
}

.filters .search-box input {
        width: 100%;
        padding: 0.85rem 1.25rem;
        border: 2px solid var(--accent-color);
        border-radius: 24px;
        font-size: 1.08rem;
        background: var(--bg-secondary);
        transition: var(--transition);
        box-shadow: 0 1px 2px 0 rgba(44,95,127,0.04);
        outline: none;
}

.filters .search-box input:focus {
        border-color: var(--primary-color);
        background: #fff;
        box-shadow: 0 0 0 3px rgba(44,95,127,0.10);
}

.filters .search-box label {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--primary-color);
        margin-bottom: 0.3rem;
        letter-spacing: 0.02em;
}

.filters .search-box {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        margin-right: 1.5rem;
        min-width: 280px;
        max-width: 400px;
}

@media (max-width: 900px) {
    .filters {
        flex-direction: column;
        gap: 0.5rem;
    }
    .filters .search-box {
        margin-right: 0;
        max-width: 100%;
    }
}
}

/* === Tables === */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

thead {
    background-color: var(--primary-color);
    color: white;
}

th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* === Listes === */
ul.activity-list,
ol.activity-list {
    list-style: none;
    padding: 0;
}

ul.activity-list li,
ol.activity-list li {
    background: var(--bg-primary);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

ul.activity-list li:hover,
ol.activity-list li:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--primary-color);
}

/* === Navigation === */
nav {
    background-color: var(--primary-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 6px;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* === Responsive === */
@media (max-width: 768px) {
    .layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        min-height: auto;
        position: static;
        height: auto;
        padding: 1.5rem 1rem;
    }
    
    .content {
        padding: 1.5rem 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

/* === Accessibilité === */
:focus-visible {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* === Pagination === */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
}

.pagination button {
    min-width: 120px;
}

.pagination button:disabled {
    background-color: var(--border-color);
    color: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination button:disabled:hover {
    transform: none;
    box-shadow: none;
}

.pagination #pageInfo {
    font-weight: 600;
    color: var(--text-primary);
    padding: 0 1rem;
    font-size: 1rem;
}

/* === Animations === */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}
/* === Activity Exercise Styles === */
.activity-item.no-exercise,
tr.no-exercise {
    opacity: 0.5;
    filter: grayscale(80%);
    pointer-events: auto;
}

.activity-item.no-exercise h3,
tr.no-exercise td {
    color: var(--text-secondary);
}

.no-exercise-label {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.9rem;
}

.launch-btn {
    margin-top: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.launch-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

table .launch-btn {
    margin-top: 0;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

#activities-list table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

#activities-list table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

#activities-list table th,
#activities-list table td {
    padding: 1rem;
    text-align: left;
}

#activities-list table th:last-child,
#activities-list table td:last-child {
    text-align: center;
    width: 180px;
}

#activities-list table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

#activities-list table tbody tr:hover:not(.no-exercise) {
    background-color: var(--bg-secondary);
}

#activities-list table tbody tr:last-child {
    border-bottom: none;
}

/* === Checkbox Filter Styles === */
.checkbox-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-filter label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
    margin: 0;
}

.checkbox-filter input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-filter input[type="checkbox"]:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}