:root {
    --nav-height: 72px;
    --glass-bg-light: rgba(255, 255, 255, 0.72);
    --glass-bg-dark: rgba(11, 11, 15, 0.72);
    --nav-border-light: rgba(0, 0, 0, 0.08);
    --nav-border-dark: rgba(255, 255, 255, 0.08);
    --primary-violet: #6d28d9;
    --primary-glow: rgba(109, 40, 217, 0.3);
    --text-primary-light: #1d1d1f;
    --text-primary-dark: #f5f5f7;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Navbar */
.navbar-wrapper {
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: center;
    padding: 0 24px;
    pointer-events: none;
}

.navbar {
    width: 100%;
    max-width: 1200px;
    height: var(--nav-height);
    background: var(--glass-bg-light);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border: 1px solid var(--nav-border-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    pointer-events: auto;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .navbar {
    background: var(--glass-bg-dark);
    border-color: var(--nav-border-dark);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Logo Section */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    text-decoration: none;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: var(--primary-violet); /* Primary color */
    border-radius: 12px; /* Squircle style */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
    transition: var(--transition-smooth);
}

.brand-icon svg {
    width: 22px;
    height: 22px;
    filter: none; /* Remove previous glow for this specific style */
}

.brand-text {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #101828; /* Dark elegant text */
    text-transform: uppercase;
}

[data-theme="dark"] .brand-text {
    color: #f5f5f7;
}

.nav-brand:hover .brand-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(29, 78, 216, 0.4);
}

/* Nav Links */
.nav-main-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary-light);
    opacity: 0.8;
    position: relative;
    transition: var(--transition-smooth);
}

[data-theme="dark"] .nav-link {
    color: var(--text-primary-dark);
}

.nav-link:hover {
    opacity: 1;
    transform: translateY(-1px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-violet);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 20px;
}

.nav-link.active {
    opacity: 1;
    color: var(--primary-violet);
    font-weight: 700;
}

/* Right Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px; /* Increased slightly for better separation */
}

.nav-actions-group {
    display: flex;
    align-items: center;
    gap: 20px; /* Space between Connexion and Essai Gratuit */
}

.theme-toggle-btn {
    width: 32px; /* Smaller */
    height: 32px; /* Smaller */
    border-radius: 10px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary-light);
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    padding: 0;
    cursor: pointer;
}

.theme-toggle-btn i {
    font-size: 1.2rem;
    transition: var(--transition-smooth);
    display: none; /* Hide all by default */
}

/* Show icons based on active mode class */
.theme-toggle-btn.mode-light .sun-icon { display: block; }
.theme-toggle-btn.mode-dark .moon-icon { display: block; }
.theme-toggle-btn.mode-auto .auto-icon { display: block; }

.theme-toggle-btn .auto-icon {
    opacity: 0.8;
}

[data-theme="dark"] .theme-toggle-btn {
    color: var(--text-primary-dark);
}

.theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.04);
    border-color: var(--nav-border-light);
}

[data-theme="dark"] .theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--nav-border-dark);
}

.btn-premium {
    background: var(--primary-violet);
    color: white;
    padding: 10px 24px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 4px 12px var(--primary-glow);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--primary-glow);
    filter: brightness(1.1);
}

#mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(109, 40, 217, 0.1);
    color: var(--primary-violet);
    justify-content: center;
    align-items: center;
    border: 1px solid var(--nav-border-light);
}

[data-theme="dark"] #mobile-menu-toggle {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--nav-border-dark);
    color: var(--text-primary-dark);
}

#mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Mobile Adjustments */
@media (max-width: 992px) {
    .nav-main-links, .mobile-hide {
        display: none !important;
    }
    
    .navbar {
        height: 64px;
        border-radius: 18px;
        padding: 0 16px;
    }
    
    .navbar-wrapper {
        top: 12px;
        padding: 0 16px;
        pointer-events: auto; /* Ensure wrapper allows interaction on mobile */
    }

    .brand-text {
        font-size: 18px;
    }

    .brand-icon {
        width: 36px;
        height: 36px;
    }

    .nav-actions {
        gap: 10px;
    }

    #mobile-menu-toggle {
        display: flex !important;
    }
}

@media (min-width: 993px) {
    .mobile-only {
        display: none !important;
    }
}

/* Dashboard Hiding */
body.dashboard-page .navbar-wrapper {
    display: none !important;
}

/* Animated Menu Toggle */
#mobile-menu-toggle svg line {
    transition: var(--transition-smooth);
    transform-origin: center;
}

#mobile-menu-toggle.active svg line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

#mobile-menu-toggle.active svg line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-toggle.active svg line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}