/* Kawaii Navigation Styles - Pure CSS Implementation */

/* Mobile Menu Checkbox (Hidden) */
.mobile-menu-checkbox {
    display: none;
}

/* Kawaii Navigation */
.kawaii-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-kawaii-soft);
    transition: all var(--transition-normal);
    border-bottom: 2px solid rgba(255, 182, 193, 0.2);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    position: relative;
}

@media (min-width: 640px) {
    .nav-content {
        height: 5rem;
    }
}

/* Kawaii Logo */
.nav-logo {
    display: flex;
    align-items: center;
}

.logo-link {
    text-decoration: none;
    transition: transform var(--transition-normal);
    position: relative;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-kawaii-heading);
    transition: all var(--transition-normal);
}

@media (min-width: 640px) {
    .logo-text {
        font-size: 1.75rem;
    }
}

/* Desktop Navigation */
.nav-desktop {
    display: none;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-link {
    position: relative;
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-kawaii-body);
    transition: all var(--transition-normal);
    padding: var(--space-2) 0;
}

.nav-link:hover {
    color: var(--kawaii-pink-500);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-kawaii-peach);
    transition: width var(--transition-normal);
}

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

/* Kawaii Mobile Menu Button */
.kawaii-mobile-menu-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: 50%;
    background: var(--gradient-kawaii-peach);
    box-shadow: var(--shadow-kawaii-soft);
}

@media (min-width: 768px) {
    .kawaii-mobile-menu-button {
        display: none;
    }
}

.kawaii-mobile-menu-button:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-kawaii-medium);
}

.kawaii-menu-emoji {
    font-size: 1.5rem;
    animation: kawaii-wiggle 2s ease-in-out infinite;
}

/* Mobile Menu Animation */
.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu-button {
    background: var(--gradient-kawaii-dream);
    transform: scale(1.1) rotate(180deg);
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu-button .kawaii-menu-emoji {
    animation: kawaii-sparkle 1s ease-in-out infinite;
}

/* Kawaii Mobile Menu */
.kawaii-mobile-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 182, 193, 0.3);
    transition: all var(--transition-slow);
    opacity: 0;
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    margin: 0 var(--space-4);
}

@media (min-width: 768px) {
    .kawaii-mobile-menu {
        display: none;
    }
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu {
    max-height: 20rem;
    opacity: 1;
    padding: var(--space-6) 0;
    box-shadow: var(--shadow-kawaii-medium);
}

.kawaii-mobile-nav-link {
    display: block;
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-kawaii-body);
    padding: var(--space-4) var(--space-6);
    margin: 0 var(--space-2);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    transform: translateX(-20px);
    opacity: 0;
    position: relative;
    overflow: hidden;
}

.kawaii-mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--gradient-kawaii-peach);
    transition: width var(--transition-normal);
    z-index: -1;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link {
    transform: translateX(0);
    opacity: 1;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(2) {
    transition-delay: 0.2s;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(3) {
    transition-delay: 0.3s;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(4) {
    transition-delay: 0.4s;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(5) {
    transition-delay: 0.5s;
}

.mobile-menu-checkbox:checked ~ .container-kawaii .kawaii-mobile-menu .kawaii-mobile-nav-link:nth-child(6) {
    transition-delay: 0.6s;
}

.kawaii-mobile-nav-link:hover {
    color: white;
    transform: translateX(8px);
}

.kawaii-mobile-nav-link:hover::before {
    width: 100%;
}

/* Navigation Accessibility */
.nav-link:focus-visible,
.kawaii-mobile-nav-link:focus-visible,
.kawaii-mobile-menu-button:focus-visible {
    outline: 2px solid var(--kawaii-pink-400);
    outline-offset: 2px;
    border-radius: var(--radius-md);
}

/* Navigation Responsive Adjustments */
@media (max-width: 767px) {
    .nav-content {
        padding: 0 var(--space-4);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .nav-desktop {
        gap: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .nav-desktop {
        gap: var(--space-10);
    }
}

/* Kawaii Navigation Hover Effects */
.nav-link:hover {
    text-shadow: 0 2px 4px rgba(255, 182, 193, 0.3);
}

/* Special Kawaii Effects for Navigation */
.nav-link.kawaii-hearts:hover::before,
.nav-link.kawaii-hearts:hover::after {
    content: '💕';
    position: absolute;
    font-size: 0.75rem;
    animation: kawaii-heart-beat 1s ease-in-out infinite;
    pointer-events: none;
}

.nav-link.kawaii-hearts:hover::before {
    top: -8px;
    right: -8px;
}

.nav-link.kawaii-hearts:hover::after {
    bottom: -8px;
    left: -8px;
    animation-delay: 0.5s;
}

/* Navigation Background Blur Enhancement */
@supports (backdrop-filter: blur(20px)) {
    .kawaii-nav {
        background: rgba(255, 255, 255, 0.8);
    }
    
    .kawaii-mobile-menu {
        background: rgba(255, 255, 255, 0.9);
    }
}

/* Navigation Animation on Scroll */
@media (prefers-reduced-motion: no-preference) {
    .kawaii-nav {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .nav-link,
    .kawaii-mobile-nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:hover,
    .kawaii-mobile-nav-link:hover {
        border-color: currentColor;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .kawaii-menu-emoji,
    .nav-link.kawaii-hearts::before,
    .nav-link.kawaii-hearts::after {
        animation: none;
    }
    
    .kawaii-mobile-menu-button:hover,
    .nav-link:hover {
        transform: none;
    }
}