:root {
    --primary-green: #28a745;
    --secondary-green: #218838;
    --light-green: #d4edda;
    --dark-green: #1e7e34;
    --mdb-shadow-1: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.15);
    --mdb-shadow-2: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --mdb-shadow-3: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --mdb-elevation-1: 0 2px 4px rgba(0,0,0,0.1);
    --mdb-elevation-2: 0 4px 8px rgba(0,0,0,0.12);
    --mdb-elevation-3: 0 8px 16px rgba(0,0,0,0.14);
}

/* Navigation personnalisée Material Design */
.md-navbar {
    background: white;
    box-shadow: var(--mdb-shadow-1);
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    backdrop-filter: blur(10px);
}

.md-navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--mdb-shadow-2);
}

.md-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100% !important;
    margin: 0 auto;
    padding: 0 15px;
}

/* Logo */
.md-nav-brand {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-green);
    text-decoration: none;
    margin-right: 2rem;
}

.md-nav-brand img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 8px;
}

/* Conteneur menu gauche */
.md-nav-left {
    display: flex;
    align-items: left;
    flex-grow: 1;
}

.md-nav-menu {
    display: flex;
    align-items: left !important;
    list-style: none;
    margin: 0;
    padding: 0;
}

.md-nav-item {
    position: relative;
    margin: 0 5px;
}

.md-nav-link {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: #495057;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.md-nav-link:hover {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--primary-green);
}

/* État ACTIVE amélioré */
.md-nav-link.active {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--primary-green);
    font-weight: 600;
}

.md-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 15px;
    right: 15px;
    height: 2px;
    background-color: var(--primary-green);
    border-radius: 2px;
}

/* Conteneur éléments droite */
.md-nav-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.md-nav-link i {
    margin-right: 8px;
    font-size: 1rem;
}

.md-nav-dropdown {
    position: relative;
}

.md-dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 8px;
    vertical-align: middle;
    border-top: 4px solid;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
    transition: transform 0.3s ease;
}

.md-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    min-width: 220px;
    padding: 8px 0;
    margin: 4px 0 0;
    background: white;
    border: none;
    border-radius: 12px;
    box-shadow: var(--mdb-shadow-3);
    animation: dropdownFadeIn 0.3s ease;
}

.md-dropdown-menu.show {
    display: block;
}

.md-dropdown-item {
    display: block;
    width: 100%;
    padding: 10px 20px;
    clear: both;
    font-weight: 400;
    color: #212529;
    text-align: inherit;
    text-decoration: none;
    white-space: nowrap;
    background: none;
    border: 0;
    transition: all 0.2s ease;
}

.md-dropdown-item:hover {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--primary-green);
}

.md-dropdown-divider {
    height: 0;
    margin: 8px 0;
    overflow: hidden;
    border-top: 1px solid #e9ecef;
}

.md-nav-button {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background: var(--primary-green);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--mdb-elevation-1);
    white-space: nowrap;
}

.md-nav-button:hover {
    background: var(--secondary-green);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--mdb-elevation-2);
}

.md-nav-button i {
    margin-right: 8px;
}

.md-search-container {
    position: relative;
}

.md-search-input {
    width: 250px;
    padding: 10px 15px 10px 40px;
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.md-search-input:focus {
    outline: none;
    border-color: var(--primary-green);
    background: white;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.2);
}

.md-search-container .material-icons {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    font-size: 1.2rem;
}

.md-nav-toggler {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
}

.md-nav-toggler span {
    display: block;
    height: 3px;
    width: 100%;
    background: #495057;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.md-nav-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.md-nav-toggler.active span:nth-child(2) {
    opacity: 0;
}

.md-nav-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.md-autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: var(--mdb-shadow-3);
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.md-autocomplete-suggestion {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
}

.md-autocomplete-suggestion:hover {
    background-color: rgba(40, 167, 69, 0.1);
}

.md-autocomplete-suggestion:last-child {
    border-bottom: none;
}

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

/* Responsive */
@media (max-width: 991px) {
    .md-nav-toggler {
        display: flex;
    }

    .md-nav-left,
    .md-nav-right {
        display: none;
    }

    .md-nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: left !important;
        padding: 20px;
        box-shadow: var(--mdb-shadow-2);
        border-radius: 0 0 12px 12px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .md-nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .md-nav-item {
        margin: 5px 0;
    }

    .md-nav-link {
        padding: 12px 15px;
        border-radius: 8px;
    }

    .md-dropdown-menu {
        position: static;
        box-shadow: none;
        background: #f8f9fa;
        margin: 10px 0 0 0;
        display: none;
        animation: none;
    }

    .md-dropdown-menu.show {
        display: block;
    }

    .md-search-container {
        margin: 15px 0 0 0;
        width: 100%;
    }

    .md-search-input {
        width: 100%;
    }

    .md-nav-button {
        margin-top: 10px;
        justify-content: center;
        width: 100%;
    }

    /* Afficher les éléments de droite dans le menu mobile */
    .md-nav-right {
        display: flex;
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }
}

/* Pour les écrans larges */
@media (min-width: 992px) {
    .md-nav-left {
        display: flex !important;
    }
    
    .md-nav-right {
        display: flex !important;
    }
}

/* Contenu principal avec espace pour la navbar fixe */
.main-content {
    margin-top: 80px;
}


/* État ACTIVE officiel et propre */
.md-nav-link.active {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--primary-green);
    font-weight: 600;
}

.md-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 15px;
    right: 15px;
    height: 2px;
    background-color: var(--primary-green);
    border-radius: 2px;
}