/* ============================================
   HEADER - Composant réutilisable
   Palette : Bleu (#2563eb) / Blanc (#ffffff) / Noir (#1a1a2e)
   ============================================ */

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --white: #ffffff;
    --black: #1a1a2e;
    --gray-light: #f5f5f5;
    --gray-border: #eeeeee;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --transition: 0.25s ease;
    --border-radius: 8px;
    --header-height: 68px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    height: var(--header-height);
    width: 100%;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 1.5rem;
    position: relative;
    width: 100%;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    flex-shrink: 0;
    z-index: 1;
}

.logo-square {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -1px;
    background-image: url('../images/logo.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    text-indent: -9999px;
    overflow: hidden;
}

.logo-name {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary);
}

.main-nav { flex: 1; }

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-item { position: relative; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    text-decoration: none;
    color: var(--black);
    padding: 0.55rem 0.9rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: none;
    border: none;
    font-family: inherit;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2.5px;
    background: var(--primary);
    border-radius: 3px;
    transition: transform var(--transition);
}

.nav-link:hover { color: var(--primary); }
.nav-link:hover::after,
.nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active { color: var(--primary); }

.dropdown-arrow {
    width: 16px; height: 16px;
    color: var(--black);
    transition: transform var(--transition);
    flex-shrink: 0;
    pointer-events: none;
}

.nav-item:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown {
    position: absolute;
    top: 100%; left: 0;
    background: var(--white);
    min-width: 200px;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    opacity: 0; visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    list-style: none;
    padding: 0.5rem 0; margin: 0;
    z-index: 1001;
}

.nav-item:hover .dropdown {
    opacity: 1; visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.65rem 1.2rem;
    text-decoration: none;
    color: var(--black);
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-link:hover {
    background: var(--primary-light);
    color: var(--primary);
    padding-left: 1.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    z-index: 1;
}

.icon-btn {
    background: none; border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition);
    color: var(--black);
    text-decoration: none;
}

.icon-btn:hover { background: var(--primary-light); color: var(--primary); }
.icon-btn svg { width: 22px; height: 22px; }

.badge-cart {
    position: absolute;
    top: 1px; right: 1px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.6rem;
    min-width: 15px; height: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    pointer-events: none;
    padding: 0 3px;
    line-height: 1;
    border: 1.5px solid var(--white);
    transform: translate(25%, -25%);
}

.btn-login {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.55rem 1.2rem;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    white-space: nowrap;
    font-family: inherit;
}

.btn-login:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-login svg { width: 18px; height: 18px; }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none; border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
    flex-shrink: 0;
    color: var(--black);
}

.menu-toggle span {
    width: 24px; height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}

.menu-toggle.open span { background: var(--primary); }
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}

.nav-overlay.active { display: block; }

/* ========== MOBILE ========== */
@media (max-width: 992px) {
    .site-header { width: 100%; }
    
    .header-container {
        max-width: 100%;
        padding: 0 1rem;
        margin: 0;
    }

    .main-nav {
        display: block;
        position: fixed;
        top: 0; right: -320px;
        width: 300px; height: 100vh;
        background: var(--white);
        z-index: 999;
        padding: 0;
        transition: right var(--transition);
        overflow-y: auto;
        box-shadow: -5px 0 30px rgba(0,0,0,0.1);
    }

    .main-nav.open { right: 0; }

    .nav-inner {
        display: flex;
        flex-direction: column;
        height: 100%;
        padding: 80px 1.2rem 1.2rem 1.2rem;
    }

    .nav-list { flex-direction: column; gap: 0; width: 100%; }

    .nav-list .nav-link {
        display: flex; align-items: center; justify-content: space-between;
        font-size: 1.05rem; padding: 0.85rem 0;
        border-radius: 0; border-bottom: 1px solid var(--gray-border);
        width: 100%; color: var(--black);
    }

    .nav-list .nav-link.active { color: var(--primary); }
    .nav-list .nav-link.active::after { transform: translateX(0) scaleX(1); left: 0; width: 100%; bottom: -1px; }

    .nav-list .dropdown {
        position: static; opacity: 1; visibility: visible;
        transform: none; box-shadow: none;
        max-height: 0; overflow: hidden;
        transition: max-height var(--transition);
        padding: 0; margin: 0; min-width: auto;
        background: transparent; border-radius: 0;
        list-style: none; width: 100%;
    }

    .nav-list .dropdown.open { max-height: 400px; }

    .nav-list .dropdown-link {
        padding: 0.7rem 0 0.7rem 1.8rem;
        font-size: 0.95rem; color: var(--black);
        border-bottom: 1px solid var(--gray-light);
        width: 100%; transition: var(--transition);
    }

    .nav-list .dropdown-link:hover { color: var(--primary); background: var(--primary-light); }
    .nav-list .dropdown-link:last-child { border-bottom: none; }

    .nav-list .dropdown-arrow { transition: transform var(--transition); flex-shrink: 0; margin-left: auto; }
    .nav-list .dropdown-arrow.rotated { transform: rotate(180deg); color: var(--primary); }

    .mobile-login {
        margin-top: 0.8rem;
        padding-top: 0.8rem;
        border-top: 1px solid var(--gray-border);
        width: 100%;
    }
    .mobile-login .btn-login { width: 100%; justify-content: center; padding: 0.85rem; font-size: 1rem; border-radius: 25px; background: var(--primary); color: var(--white); }
    .mobile-login .btn-login svg { width: 20px; height: 20px; }

    .nav-item { width: 100%; }

    .header-actions-mobile {
        display: flex; align-items: center; gap: 0.3rem;
        position: absolute; right: 1rem; top: 50%;
        transform: translateY(-50%); z-index: 1;
    }

    .header-actions { display: none; }

    .menu-toggle { display: flex; position: static; transform: none; }

    .header-actions-mobile .icon-btn { padding: 0.4rem; }
    .header-actions-mobile .icon-btn svg { width: 20px; height: 20px; }
}

@media (min-width: 993px) {
    .mobile-login { display: none; }
    .header-actions-mobile { display: none; }
}