/* ==========================================================================
   Navigation Styles - EcoRide Modern Redesign
   ========================================================================== */

header {
    background-color: var(--surface-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    padding: 0 5%; /* Use percentage for better responsiveness */
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--surface-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-main);
}

/* ------------------------------------------
   Logo
   ------------------------------------------ */
.nav-left .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.nav-left .logo:hover {
    text-decoration: none;
}

.nav-left .logo img {
    height: 40px;
    margin-right: 10px;
}

/* ------------------------------------------
   Center Navigation Links
   ------------------------------------------ */
.nav-center ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-center ul li a {
    color: var(--text-color);
    font-weight: 600;
    padding: 10px 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-main);
}

.nav-center ul li a:hover,
.nav-center ul li a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ------------------------------------------
   Right-side Action Buttons
   ------------------------------------------ */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-right .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.nav-right .btn-login,
.nav-right .btn-profile {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.nav-right .btn-login:hover,
.nav-right .btn-profile:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.nav-right .btn-register,
.nav-right .btn-logout {
    background-color: var(--primary-color);
    color: #fff;
    border: 2px solid var(--primary-color);
}

.nav-right .btn-register:hover,
.nav-right .btn-logout:hover {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
}

/* ------------------------------------------
   Menus pour Mobile (structure de base)
   ------------------------------------------ */

/* Le menu burger est toujours caché sur PC */
.burger-menu {
    display: none;
    cursor: pointer;
}

/* Le menu mobile déroulant est toujours caché par défaut */
.mobile-menu {
    display: none;
}

/* ------------------------------------------
   Responsive (Quand l'écran devient petit)
   ------------------------------------------ */
@media (max-width: 992px) {
    .main-nav {
        position: relative;
    }
    .nav-center, .nav-right {
        display: none;
    }
    .burger-menu {
        display: block;
        width: 30px;
        height: 22px;
        position: relative;
    }
    .burger-menu span {
        display: block;
        position: absolute;
        height: 4px;
        width: 100%;
        background: var(--secondary-color);
        border-radius: 9px;
        opacity: 1;
        left: 0;
        transition: .25s ease-in-out;
    }
    .burger-menu span:nth-child(1) { top: 0px; }
    .burger-menu span:nth-child(2) { top: 9px; }
    .burger-menu span:nth-child(3) { top: 18px; }
    .mobile-menu {
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--surface-color);
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    }
    .mobile-menu.active {
        display: block;
    }
    .mobile-menu ul {
        list-style: none;
        padding: 0;
        margin: 0;
        flex-direction: column;
    }
    .mobile-menu ul li {
        text-align: center;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }
    .mobile-menu ul li:last-child {
        border-bottom: none;
    }
    .mobile-menu ul a {
        display: block;
        padding: 0.5rem 1rem;
        font-size: 1.2rem;
        font-weight: 600;
    }
}

@media (max-width: 600px) {
    .nav-right .btn {
        width: 100%;
        min-width: 120px;
        padding: 12px 0;
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
        border-radius: 8px;
        display: block;
        text-align: center;
    }
}