:root {
            /* Main Palette */
            --primary-color: #4F46E5; /* Indigo */ --primary-hover: #4338CA; --primary-subtle: #EEF2FF;
            --secondary-color: #06B6D4; /* Cyan */ --secondary-hover: #0891B2; --secondary-subtle: #ECFEFF;
            /* Admin Palette */
            --admin-color: #F97316; /* Orange */ --admin-hover: #EA580C; --admin-subtle: #FFF7ED;
            /* General Palette */
            --bg-color: #FFFFFF; --bg-subtle: #F9FAFB; --header-bg: rgba(255, 255, 255, 0.85);
            --text-primary: #111827; --text-secondary: #6B7280; --text-light: #FFFFFF;
            --border-color: #E5E7EB; --danger-color: #EF4444; --danger-subtle: #FEF2F2;
            /* Sizing & Effects */
            --header-height: 76px; --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-glow: 0 4px 14px 0 rgba(79, 70, 229, 0.2);
            --border-radius: 8px; --font-family: 'Inter', sans-serif; --transition: all 0.2s ease-in-out;
        }
        /* Resets & Base */
        *, *::before, *::after { box-sizing: border-box; }
        body { font-family: var(--font-family); background-color: var(--bg-subtle); color: var(--text-primary); margin: 0; padding-top: var(--header-height); }
        .icon { width: 20px; height: 20px; flex-shrink: 0; }
        /* Header */
        .site-header { background-color: var(--header-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-sm); position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); z-index: 1000; padding: 0 16px; }
        .header-container { max-width: 1440px; height: 100%; margin: 0 auto; display: flex; align-items: center; }
        .header-logo { flex-shrink: 0; }
        .header-logo a { display: inline-flex; align-items: center; color: var(--text-primary); text-decoration: none; }
        .header-logo-mark { width: 42px; height: 42px; border-radius: 8px; display: block; box-shadow: 0 8px 18px rgba(79, 70, 229, 0.14); }
        .header-logo-text { display: none; }
        /* Desktop Navigation */
        .site-nav-container { margin-left: 20px; min-width: 0; }
        .site-nav { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 5px; }
        .site-nav a { position: relative; display: flex; align-items: center; gap: 7px; padding: 9px 10px; font-size: 14px; font-weight: 600; color: var(--text-secondary); text-decoration: none; border-radius: var(--border-radius); transition: var(--transition); white-space: nowrap; }
        .site-nav .nav-tools-toggle { position: relative; display: flex; align-items: center; gap: 7px; padding: 9px 10px; font-size: 14px; font-weight: 600; color: var(--text-secondary); text-decoration: none; border-radius: var(--border-radius); transition: var(--transition); white-space: nowrap; background: transparent; border: 0; cursor: pointer; }
        .site-nav .nav-tools-toggle:hover,
        .site-nav .nav-tools-toggle.active { background-color: var(--primary-subtle); color: var(--primary-color); }
        .nav-tools-menu .dropdown-menu { left: 0; right: auto; width: 210px; }
        .site-nav a:not(.nav-cta):not(.nav-admin-link):hover { background-color: var(--bg-subtle); color: var(--text-primary); }
        .site-nav a:not(.nav-cta):not(.nav-admin-link).active { background-color: var(--primary-subtle); color: var(--primary-color); font-weight: 600; }
        .site-nav a:not(.nav-cta):not(.nav-admin-link).active .icon { color: var(--primary-color); }
        /* Nav CTA & Admin Pills */
        .nav-cta, .nav-admin-link { color: var(--text-light) !important; font-weight: 600 !important; transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1); }
        .nav-cta:hover, .nav-admin-link:hover { transform: translateY(-1px); }
        .nav-cta-primary { background-image: linear-gradient(to right, #4F46E5 0%, #6366F1 100%); } .nav-cta-primary:hover { box-shadow: var(--shadow-glow); }
        .nav-cta-secondary { background-color: var(--secondary-color); } .nav-cta-secondary:hover { background-color: var(--secondary-hover); }
        .nav-admin-link { background-color: var(--admin-color) !important; color: var(--text-light) !important; } .nav-admin-link:hover { background-color: var(--admin-hover) !important; }
        .nav-cta.active, .nav-admin-link.active { transform: translateY(-1px); }
        .nav-cta-primary.active { box-shadow: var(--shadow-glow), 0 0 0 3px var(--bg-color), 0 0 0 5px var(--primary-color); }
        /* Right Actions & Buttons */
        .header-right-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
        .btn { padding: 9px 18px; font-size: 15px; font-weight: 600; border-radius: var(--border-radius); text-decoration: none; transition: var(--transition); display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; }
        .btn-primary { background-color: var(--primary-color); color: var(--text-light); border-color: var(--primary-color); }
        .btn-primary:hover { background-color: var(--primary-hover); border-color: var(--primary-hover); box-shadow: var(--shadow-glow); transform: translateY(-1px); }
        .btn-secondary { background-color: var(--bg-color); color: var(--text-primary); border-color: var(--border-color); box-shadow: var(--shadow-sm); }
        .btn-secondary:hover { border-color: #D1D5DB; background-color: var(--bg-subtle); transform: translateY(-1px); }
        /* Dropdowns */
        .dropdown { position: relative; }
        .dropdown-toggle { display: flex; align-items: center; cursor: pointer; background: none; border: none; padding: 6px; border-radius: 50%; transition: var(--transition); }
        .dropdown-toggle:hover { background-color: var(--primary-subtle); transform: scale(1.1); }
        .dropdown-menu { position: absolute; top: calc(100% + 12px); right: 0; background-color: var(--bg-color); border-radius: var(--border-radius); box-shadow: var(--shadow-md); border: 1px solid var(--border-color); width: 240px; z-index: 1010; padding: 8px; opacity: 0; visibility: hidden; transform: scale(0.95) translateY(-10px); transition: var(--transition); transform-origin: top right; }
        .dropdown.active .dropdown-menu { opacity: 1; visibility: visible; transform: scale(1) translateY(0); }
        .dropdown-header { padding: 12px 16px; margin: -8px -8px 8px -8px; background-color: var(--bg-subtle); border-bottom: 1px solid var(--border-color); }
        .dropdown-item { display: flex; align-items: center; gap: 12px; padding: 10px 16px; font-size: 15px; color: var(--text-primary); text-decoration: none; border-radius: 6px; transition: background-color 0.2s, color 0.2s; }
        .dropdown-item .icon { color: var(--text-secondary); transition: color 0.2s; }
        .dropdown-item:hover { background-color: var(--primary-subtle); color: var(--primary-color); } .dropdown-item:hover .icon { color: var(--primary-color); }
        .dropdown-item.logout-link, .dropdown-item.logout-link .icon { color: var(--danger-color); }
        .dropdown-item.logout-link:hover { background-color: var(--danger-subtle); color: var(--danger-color); }
        .user-avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)); color: var(--text-light); display: flex; align-items: center; justify-content: center; font-weight: 600; }
        .user-profile .dropdown-toggle { padding: 0; border-radius: 50%; }
        .flag-icon { width: 22px; height: auto; border-radius: 4px; border: 1px solid #ddd; flex-shrink: 0; }
        /* Mobile */
        .hamburger-menu, .mobile-menu-panel, .mobile-header-actions { display: none; }
        .mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(17, 24, 39, 0.5); z-index: 1999; backdrop-filter: blur(4px); }
        .mobile-menu-overlay.is-open { display: block; opacity: 1; }
        @media (max-width: 1024px) {
            .site-nav-container, .header-right-actions { display: none; }
            .header-container { justify-content: space-between; }
            .mobile-header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; margin-right: 8px; }
            .mobile-header-actions a { color: var(--text-secondary); text-decoration: none; padding: 6px; }
            .mobile-header-actions a.active .icon { color: var(--primary-color); }
            .hamburger-menu { display: flex; background: none; border: none; padding: 8px; cursor: pointer; }
            .mobile-menu-panel { display: flex; flex-direction: column; position: fixed; top: 0; right: 0; width: 320px; max-width: 95vw; height: 100%; background-color: var(--bg-color); box-shadow: var(--shadow-md); transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1); z-index: 2000; }
            .mobile-menu-panel.is-open { transform: translateX(0); }
            .mobile-panel-content { padding: 0 8px 16px; display: flex; flex-direction: column; height: 100%; overflow-y: auto; }
            .mobile-panel-header { display: flex; justify-content: space-between; align-items: center; padding: 12px 8px; margin-bottom: 8px; flex-shrink: 0; }
            .mobile-panel-header h4 { margin: 0; font-size: 18px; }
            .mobile-panel-header .close-menu { background: none; border: none; padding: 8px; cursor: pointer; color: var(--text-secondary); }
            .mobile-menu-panel .site-nav { flex-direction: column; align-items: stretch; gap: 4px; width: 100%; }
            .mobile-menu-panel .site-nav a { padding: 12px 16px; font-size: 16px; }
            .mobile-menu-panel .site-nav a.active:not(.nav-cta):not(.nav-admin-link) { background-color: var(--primary-subtle); color: var(--primary-color); font-weight: 600; }
            .mobile-menu-panel .site-nav a.active .icon { color: var(--primary-color); }
            .mobile-menu-divider { border: none; border-top: 1px solid var(--border-color); margin: 16px 8px; }
            .mobile-panel-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border-color); flex-shrink: 0; padding-left: 8px; padding-right: 8px; }
            .language-switcher-mobile { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
            .language-switcher-mobile .lang-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; text-decoration: none; border: 2px solid var(--border-color); border-radius: var(--border-radius); font-weight: 500; color: var(--text-primary); transition: var(--transition); }
            .language-switcher-mobile .lang-btn.active { border-color: var(--primary-color); background-color: var(--primary-subtle); font-weight: 600; }
        }

/* Language toggle pill */
.lang-toggle {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 6px 10px;
border: 1px solid var(--border-color);
border-radius: 999px;
background: var(--bg-color);
transition: var(--transition);
}
.lang-toggle .flag { border-radius: 3px; display: block; }
.lang-toggle .lang-code {
font-weight: 600;
font-size: 13px;
color: var(--text-primary);
letter-spacing: .3px;
}
.lang-toggle .chev {
width: 16px; height: 16px;
color: var(--text-secondary);
transition: transform .2s ease;
}
.dropdown.active .lang-toggle {
border-color: var(--primary-color);
box-shadow: var(--shadow-md);
}
.dropdown.active .lang-toggle .chev {
transform: rotate(180deg);
}

/* Dropdown items tidy + icon alignment */
.dropdown-menu .dropdown-item {
display: flex;
align-items: center;
gap: 10px;
}
.dropdown-menu .dropdown-item .flag {
width: 20px; height: 15px; border-radius: 3px; flex-shrink: 0;
}