/* Spielend Leicht Lernen - Lokaler Klon */

:root {
    --primary: #4CAF50;
    --primary-dark: #388E3C;
    --secondary: #FF9800;
    --text: #333;
    --bg: #f5f5f5;
    --white: #fff;
    --border: #ddd;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.site-header {
    background: var(--primary);
    color: white;
    padding: 15px 0;
    box-shadow: var(--shadow);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.main-nav > a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background 0.2s;
}

.main-nav > a:hover {
    background: rgba(255,255,255,0.2);
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    z-index: 1001;
}

.menu-toggle.active {
    background: rgba(255,255,255,0.3);
}

/* Menu Close Button (hidden on desktop) */
.menu-close {
    display: none;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: rgba(255,255,255,0.2);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.dropdown-toggle:hover {
    background: rgba(255,255,255,0.3);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    max-height: 70vh;
    overflow-y: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}

.dropdown-item > a {
    display: block;
    padding: 12px 15px;
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid #eee;
    font-weight: 500;
    flex: 1;
}

.dropdown-item > a:hover {
    background: #f5f5f5;
    color: var(--primary);
}

/* Submenu Toggle Button (Desktop: hidden, Mobile: visible) */
.submenu-toggle {
    display: none;
    background: transparent;
    border: none;
    border-bottom: 1px solid #eee;
    padding: 12px 15px;
    cursor: pointer;
    color: var(--text);
    font-size: 0.8rem;
    transition: transform 0.2s;
}

.submenu-toggle:hover {
    background: #f5f5f5;
    color: var(--primary);
}

.dropdown-item.open .submenu-toggle {
    transform: rotate(90deg);
}

/* Submenu */
.submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    background: white;
    min-width: 220px;
    max-height: 50vh;
    overflow-y: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.dropdown-item:hover .submenu {
    display: block;
}

.submenu a {
    display: block;
    padding: 10px 15px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    border-bottom: 1px solid #f0f0f0;
}

.submenu a:hover {
    background: #f5f5f5;
    color: var(--primary);
}

.submenu .more-link {
    color: var(--primary);
    font-style: italic;
}

/* Main Content */
.site-main {
    min-height: calc(100vh - 150px);
    padding: 20px 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: 15px 0;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Headings */
h1 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

h2 {
    font-size: 1.4rem;
    margin: 30px 0 15px;
    color: var(--text);
}

/* Categories Grid (Homepage) */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.category-card {
    background: var(--white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.category-card:hover {
    transform: translateY(-2px);
}

.category-card h2 {
    margin: 0 0 15px;
    font-size: 1.2rem;
}

.category-card h2 a {
    color: var(--primary-dark);
    text-decoration: none;
}

.category-card h2 a:hover {
    text-decoration: underline;
}

.subcategories {
    list-style: none;
    font-size: 0.9rem;
}

.subcategories li {
    padding: 5px 0;
    border-bottom: 1px solid var(--border);
}

.subcategories li:last-child {
    border-bottom: none;
}

.subcategories a {
    color: var(--text);
    text-decoration: none;
}

.subcategories a:hover {
    color: var(--primary);
}

.subcategories .more {
    color: #999;
    font-style: italic;
}

/* Subcategories Grid */
.subcats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.subcat-item {
    background: var(--white);
    padding: 10px 15px;
    border-radius: 4px;
    text-decoration: none;
    color: var(--text);
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.subcat-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.article-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.article-image {
    height: 150px;
    overflow: hidden;
    background: #eee;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-content h3 {
    font-size: 1rem;
    margin-bottom: 10px;
}

.article-content h3 a {
    color: var(--text);
    text-decoration: none;
}

.article-content h3 a:hover {
    color: var(--primary);
}

.article-content .description {
    font-size: 0.85rem;
    color: #666;
    flex: 1;
    margin-bottom: 15px;
}

.article-actions {
    margin-top: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    font-size: 0.9rem;
}

.btn-download {
    background: var(--secondary);
    color: white;
}

.btn-download:hover {
    background: #F57C00;
}

.btn-download-large {
    background: var(--primary);
    color: white;
    font-size: 1.1rem;
    padding: 15px 30px;
}

.btn-download-large:hover {
    background: var(--primary-dark);
}

.btn-disabled {
    background: #ccc;
    color: #666;
    cursor: not-allowed;
}

.btn-info {
    background: #2196F3;
    color: white;
    font-size: 0.85rem;
    padding: 8px 12px;
}

.btn-info:hover {
    background: #1976D2;
}

.article-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.description-box {
    margin-top: 12px;
    padding: 12px;
    background: #f0f7ff;
    border-radius: 6px;
    font-size: 0.85rem;
    border-left: 3px solid #2196F3;
}

.description-box p {
    margin: 0;
    color: #555;
}

/* Article Detail */
.article-detail {
    background: var(--white);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.article-header {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
}

.article-image-large {
    flex: 0 0 300px;
}

.article-image-large img {
    width: 100%;
    border-radius: 8px;
}

.article-info {
    flex: 1;
}

.article-info h1 {
    margin-bottom: 15px;
}

.meta {
    margin-bottom: 20px;
}

.meta span {
    display: inline-block;
    background: var(--bg);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-right: 10px;
}

.download-box {
    margin-top: 20px;
    padding: 20px;
    background: #E8F5E9;
    border-radius: 8px;
}

.download-box .filename {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    color: #666;
}

.download-box.unavailable {
    background: #FFEBEE;
}

.article-body {
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.short-description, .long-description {
    margin-bottom: 20px;
}

.back-link {
    margin-top: 30px;
}

.back-link a {
    color: var(--primary);
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}

/* Search */
.search-form {
    margin-bottom: 30px;
}

.search-input {
    display: flex;
    gap: 10px;
}

.search-input input[type="text"] {
    flex: 1;
    padding: 12px 15px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 4px;
}

.search-input input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
}

.search-input button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.search-input button:hover {
    background: var(--primary-dark);
}

/* Footer */
.site-footer {
    background: #333;
    color: #ccc;
    padding: 30px 0;
    text-align: center;
}

.site-footer p {
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.95);
        flex-direction: column;
        align-items: stretch;
        padding: 70px 20px 20px;
        z-index: 1000;
        overflow-y: auto;
        gap: 0;
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav > a {
        padding: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 1.1rem;
    }

    /* Mobile Dropdown */
    .dropdown {
        width: 100%;
    }

    .dropdown-toggle {
        width: 100%;
        text-align: left;
        padding: 15px;
        border-radius: 0;
        background: transparent;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 1.1rem;
    }

    .dropdown-menu {
        position: static;
        background: rgba(255,255,255,0.05);
        max-height: none;
        box-shadow: none;
        border-radius: 0;
        display: none;
    }

    .dropdown.open .dropdown-menu {
        display: block;
    }

    .dropdown:hover .dropdown-menu {
        display: none;
    }

    .dropdown.open:hover .dropdown-menu {
        display: block;
    }

    .dropdown-item > a {
        color: white;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding: 12px 20px;
    }

    .dropdown-item > a:hover {
        background: rgba(255,255,255,0.1);
        color: white;
    }

    /* Mobile Submenu Toggle */
    .submenu-toggle {
        display: block;
        color: white;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding: 12px 15px;
    }

    .submenu-toggle:hover {
        background: rgba(255,255,255,0.1);
        color: white;
    }

    /* Mobile Submenu */
    .submenu {
        position: static;
        background: rgba(0,0,0,0.3);
        max-height: none;
        box-shadow: none;
        border-radius: 0;
        display: none;
    }

    .dropdown-item.open .submenu {
        display: block;
    }

    .dropdown-item:hover .submenu {
        display: none;
    }

    .dropdown-item.open:hover .submenu {
        display: block;
    }

    .submenu a {
        color: rgba(255,255,255,0.9);
        padding: 10px 30px;
        border-bottom: 1px solid rgba(255,255,255,0.03);
    }

    .submenu a:hover {
        background: rgba(255,255,255,0.1);
        color: white;
    }

    /* Mobile close button */
    .menu-close {
        position: fixed;
        top: 15px;
        right: 20px;
        background: transparent;
        border: none;
        color: white;
        font-size: 2rem;
        cursor: pointer;
        z-index: 1002;
        padding: 5px 15px;
    }

    .article-header {
        flex-direction: column;
    }

    .article-image-large {
        flex: none;
    }

    .categories-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }
}

/* Lead text */
.lead {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
}

/* Latest Downloads Section */
.latest-downloads {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.latest-downloads h2 {
    margin-bottom: 20px;
}

.category-tag {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 10px;
}

.categories-section h2 {
    margin-bottom: 20px;
}

.no-articles {
    padding: 40px;
    text-align: center;
    background: var(--white);
    border-radius: 8px;
    color: #666;
}

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 15px;
    padding-left: 15px;
    border-left: 1px solid rgba(255,255,255,0.3);
}

.user-name {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}

.logout-link {
    color: white;
    text-decoration: none;
    padding: 6px 12px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    font-size: 0.85rem;
}

.logout-link:hover {
    background: rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
    .user-menu {
        width: 100%;
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding: 15px;
        border-top: 1px solid rgba(255,255,255,0.1);
        justify-content: space-between;
    }

    .logout-link {
        padding: 10px 20px;
    }
}

/* Download Statistics */
.download-count {
    display: block;
    margin-top: 8px;
    font-size: 0.85rem;
    color: #666;
}

.download-time {
    font-size: 0.8rem;
    color: #888;
    margin: 5px 0;
}

.recent-downloads {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.recent-downloads h2 {
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.download-box .download-count {
    display: inline-block;
    margin-left: 15px;
    padding: 4px 10px;
    background: #f0f0f0;
    border-radius: 12px;
    font-size: 0.8rem;
    color: #666;
}

/* Category Tags für Suchergebnisse */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 10px;
}

.category-tag-link {
    display: inline-block;
    padding: 3px 8px;
    background: #e8f5e9;
    color: var(--primary-dark);
    font-size: 0.75rem;
    border-radius: 3px;
    text-decoration: none;
    border: 1px solid #c8e6c9;
}

.category-tag-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}