/* Header Unified Styles - Perfect Match for Original index.html */
:root {
    --gold: #FFD700;
    --black: #000000;
    --white: #FFFFFF;
}

.main-header {
    background-color: var(--gold);
    padding: 15px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: background 0.3s ease;
}

/* Dark Theme Overrides */
.main-header.dark {
    background-color: rgba(30, 41, 59, 0.7); /* Blau fosc semi-transparent */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-header .logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--black);
    text-decoration: none;
}

.main-header.dark .logo {
    color: #f8fafc;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
    transition: all 0.3s ease;
}

.main-header.dark .nav-link {
    color: #f8fafc;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--black);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.main-header.dark .nav-link::after {
    background-color: #f8fafc;
}

/* No underline for login button */
.nav-link.btn-login-nav::after {
    display: none !important;
}

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* User Menu & Dropdown */
.user-menu {
    position: relative;
    cursor: pointer;
}

.user-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--black);
    padding: 5px 15px;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.05);
    font-weight: 700;
    transition: background 0.3s ease;
}

.main-header.dark .user-toggle {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.05);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    width: 220px;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    display: none;
    overflow: hidden;
    animation: slideDown 0.2s ease-out;
    z-index: 10000;
}

.main-header.dark .user-dropdown {
    background: #1e293b;
    border-color: rgba(255, 255, 255, 0.1);
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a, .user-dropdown button {
    display: block;
    width: 100%;
    padding: 12px 20px;
    color: var(--black);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease;
}

.main-header.dark .user-dropdown a, .main-header.dark .user-dropdown button {
    color: #f1f5f9;
}

.user-dropdown a:hover, .user-dropdown button:hover {
    background: #f8f9fa;
}

.main-header.dark .user-dropdown a:hover, .main-header.dark .user-dropdown button:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--gold);
}

.btn-login-nav {
    background: var(--black);
    color: var(--white) !important;
    padding: 10px 25px !important;
    border-radius: 12px;
    line-height: 1;
}

.btn-login-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--black);
}

.main-header.dark .mobile-menu-toggle {
    color: #f8fafc;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--white);
        padding: 100px 40px;
        transition: right 0.4s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    .main-header.dark .main-nav {
        background-color: #0f172a;
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
}