/* Navigation Component */
.navbar {
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-dropdown);
    transition: all 0.3s ease;
    overflow: visible; /* Ensure toggle is visible */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    position: relative;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navbar-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo:hover {
    color: var(--navbar-text-hover);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--navbar-text);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--navbar-text-hover);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--navbar-text);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Dark mode toggle - positioned at navbar level */
.nav-controls {
    position: fixed;
    right: var(--spacing-lg);
    top: 20px; /* Half of navbar height (70px / 2 = 35px, minus half toggle height ~15px = 20px) */
    z-index: var(--z-sticky);
}

/* Dark mode toggle */
.dark-mode-toggle-new {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
}

.toggle-slider-new {
    width: 60px;
    height: 30px;
    background: #9ca3af; /* Grey background for light mode */
    border-radius: 15px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow-light);
}

[data-theme="dark"] .toggle-slider-new {
    background: var(--accent-primary);
    box-shadow: 0 2px 8px rgba(60, 130, 246, 0.3);
}

.toggle-thumb-new {
    width: 26px;
    height: 26px;
    background: white;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .toggle-thumb-new {
    transform: translateX(30px);
}

.dark-mode-icon-new,
.light-mode-icon-new {
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: absolute;
}

.dark-mode-icon-new {
    opacity: 1;
    transform: scale(1);
}

.light-mode-icon-new {
    opacity: 0;
    transform: scale(0);
    pointer-events: none;
    width: 0;
    height: 0;
    overflow: hidden;
}

[data-theme="dark"] .dark-mode-icon-new {
    opacity: 0;
    transform: scale(0);
    pointer-events: none;
    width: 0;
    height: 0;
    overflow: hidden;
}

[data-theme="dark"] .light-mode-icon-new {
    opacity: 1;
    transform: scale(1);
    width: auto;
    height: auto;
    overflow: visible;
}

.dark-mode-toggle-new:hover .toggle-slider-new {
    transform: scale(1.05);
}

.dark-mode-toggle-new:active .toggle-slider-new {
    transform: scale(0.95);
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    z-index: var(--z-fixed);
}

.hamburger:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: scale(1.05);
}

.hamburger.active {
    background-color: rgba(0, 0, 0, 0.1);
}

.hamburger:focus {
    outline: 2px solid var(--navbar-text);
    outline-offset: 2px;
}

/* Subtle pulse animation for hamburger */
@keyframes hamburger-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hamburger:not(.active):hover {
    animation: hamburger-pulse 2s infinite;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--navbar-text);
    margin: 3px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
    border-radius: 2px;
}

/* Hamburger to X animation */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive navigation */
@media screen and (max-width: 768px) {
    .hamburger {
        display: flex;
        margin-right: 80px; /* Add space for dark mode toggle */
    }

    .nav-controls {
        right: 15px;
        top: 20px;
    }

    /* Mobile menu backdrop */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }

    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-secondary);
        width: 100%;
        max-width: 400px;
        height: calc(100vh - 70px);
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 40px var(--shadow-medium);
        padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
        border-top: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
        z-index: var(--z-sticky);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
        transform: translateX(0);
    }

    .nav-menu li {
        margin: 0.5rem 0;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.3s; }

    .nav-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.1rem;
        font-weight: 500;
        border-radius: 8px;
        margin: 0 var(--spacing-md);
        transition: all 0.3s ease;
    }

    .nav-link:hover {
        background-color: var(--border-color);
        transform: translateX(5px);
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hamburger {
        margin-right: 70px; /* Adjust spacing for smaller screens */
        padding: 6px;
    }

    .bar {
        width: 22px;
        height: 2.5px;
    }

    .nav-menu {
        max-width: 100%;
        padding: var(--spacing-lg) 0 1.5rem 0;
    }

    .nav-link {
        padding: 0.8rem 1.5rem;
        font-size: var(--font-size-base);
        margin: 0 0.5rem;
    }

    .nav-controls {
        right: 10px;
        top: 20px;
    }

    .toggle-slider {
        width: 50px;
        height: 25px;
    }

    .toggle-thumb {
        width: 21px;
        height: 21px;
    }

    [data-theme="dark"] .toggle-thumb {
        transform: translateX(25px);
    }
}