/* =============================================
   KidsDreamEvery - Layout Styles
   ============================================= */

/* ===== Floating Background Elements ===== */
.bg-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-background);
    overflow: hidden;
}

.star {
    position: absolute;
    animation: twinkle 3s ease-in-out infinite;
    opacity: 0.7;
}

.star:nth-child(odd) { color: var(--star-yellow); }
.star:nth-child(even) { color: var(--star-pink); }

@keyframes twinkle {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.bg-clouds {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-background);
}

.cloud {
    position: absolute;
    background: var(--cloud-white);
    border-radius: 50%;
    opacity: 0.6;
    animation: drift 20s linear infinite;
}

@keyframes drift {
    0% { transform: translateX(0); }
    50% { transform: translateX(30px); }
    100% { transform: translateX(0); }
}

/* ===== Header ===== */
.header {
    position: relative;
    z-index: var(--z-sticky);
    padding: var(--space-5) 0 var(--space-8);
}

.header-cloud {
    background: var(--cloud-white);
    border-radius: 0 0 var(--radius-3xl) var(--radius-3xl);
    box-shadow: 0 8px 32px var(--cloud-shadow);
    padding: var(--space-4) var(--space-8) var(--space-5);
    margin: 0 auto;
    max-width: 800px;
    position: relative;
}

/* Cloud decorations */
.header-cloud::before,
.header-cloud::after {
    content: '';
    position: absolute;
    background: var(--cloud-white);
    border-radius: 50%;
    box-shadow: 0 4px 16px var(--cloud-shadow);
}

.header-cloud::before {
    width: 80px;
    height: 50px;
    bottom: 10px;
    left: -30px;
}

.header-cloud::after {
    width: 60px;
    height: 40px;
    bottom: 15px;
    right: -20px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-6);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    background: linear-gradient(135deg, #7eb8da 0%, #c8a4d4 50%, #e8b4c8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.logo-star {
    font-size: 1.8rem;
    animation: bounce-star 2s ease-in-out infinite;
}

@keyframes bounce-star {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(10deg); }
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-weight: var(--font-semibold);
    color: var(--text-medium);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--rainbow-blue);
    background: rgba(116, 192, 252, 0.1);
}

.nav-link.active {
    color: var(--rainbow-blue);
    background: rgba(116, 192, 252, 0.15);
}

.nav-icon {
    font-size: var(--text-lg);
}

/* Header Controls */
.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.8);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--cloud-white);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-2);
    background: var(--cloud-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.lang-dropdown:hover .lang-menu,
.lang-dropdown:focus-within .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lang-option:hover {
    background: rgba(116, 192, 252, 0.1);
}

.lang-option.active {
    background: rgba(116, 192, 252, 0.2);
}

/* Accessibility Button */
.a11y-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-full);
    font-size: var(--text-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.a11y-btn:hover {
    background: var(--cloud-white);
    transform: scale(1.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    font-size: var(--text-2xl);
    cursor: pointer;
}

/* ===== Mobile Header ===== */
@media (max-width: 768px) {
    .header-cloud {
        padding: var(--space-4);
        max-width: calc(100% - var(--space-8));
        border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    }
    
    .header-cloud::before,
    .header-cloud::after {
        display: none;
    }
    
    .header-inner {
        justify-content: space-between;
    }
    
    .logo-text {
        font-size: var(--text-2xl);
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--cloud-white);
        padding: var(--space-4);
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .main-nav.open {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
        padding: var(--space-3);
    }
    
    .header-controls {
        gap: var(--space-2);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

/* ===== Footer ===== */
.footer {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: var(--space-12) var(--space-5);
    margin-top: var(--space-16);
}

.footer-inner {
    max-width: var(--max-width-xl);
    margin: 0 auto;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-dark);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-tagline {
    color: var(--text-light);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.footer-section h4 {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--font-bold);
    color: var(--text-dark);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-link {
    color: var(--text-light);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--rainbow-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--cloud-shadow);
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
}

.footer-legal a {
    color: var(--text-light);
    font-size: var(--text-sm);
}

.footer-legal a:hover {
    color: var(--text-dark);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--text-light);
}

.footer-copyright .heart {
    color: var(--rainbow-pink);
}

/* ===== Page Layout ===== */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    position: relative;
    z-index: var(--z-default);
}

/* ===== Page Header (for inner pages) ===== */
.page-header {
    text-align: center;
    padding: var(--space-10) var(--space-5);
    margin-bottom: var(--space-8);
}

.page-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    color: var(--text-dark);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.page-title .page-icon {
    font-size: var(--text-4xl);
}

.page-subtitle {
    font-size: var(--text-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-light);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb-item::after {
    content: '›';
    color: var(--text-light);
    margin-left: var(--space-2);
}

.breadcrumb-item:last-child::after {
    display: none;
}

.breadcrumb-item a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--rainbow-blue);
}

.breadcrumb-item.active {
    color: var(--text-dark);
    font-weight: var(--font-medium);
}

/* ===== Grid Layouts ===== */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .grid-5 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-5,
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
}

/* ===== Sidebar Layout ===== */
.layout-sidebar {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.sidebar {
    position: sticky;
    top: var(--space-5);
    height: fit-content;
}

@media (max-width: 1024px) {
    .layout-sidebar {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
}

/* ===== Filter Bar ===== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filter-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-medium);
}

.filter-select {
    background: var(--cloud-white);
    border: 1px solid var(--cloud-shadow);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-select:hover {
    border-color: var(--rainbow-blue);
}

.filter-select:focus {
    outline: none;
    border-color: var(--rainbow-blue);
    box-shadow: 0 0 0 3px rgba(116, 192, 252, 0.2);
}

/* ===== Search Box ===== */
.search-box {
    position: relative;
    max-width: 400px;
}

.search-input {
    width: 100%;
    background: var(--cloud-white);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    padding: var(--space-3) var(--space-12) var(--space-3) var(--space-5);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--rainbow-blue);
    box-shadow: 0 0 0 4px rgba(116, 192, 252, 0.2);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--rainbow-blue), var(--rainbow-purple));
    color: var(--text-white);
    border-radius: var(--radius-full);
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.1);
}