/* ==========================================================================
   Frontend CSS für Bildungsportal - Farblich angepasst
   ========================================================================== */

/* Farbvariablen basierend auf Header-Bild */
:root {
    --color-terracotta: #b8866b;
    --color-terracotta-dark: #a67761;
    --color-green-accent: #7a9b7e;
    --color-green-hover: #6b8e7f;
    --color-beige-light: #f5ede5;
    --color-cream: #fdfbf8;
    --color-peach: #e8c5a8;
    --color-border: #d4a98a;
    --color-text-dark: #3d3230;
    --color-text-medium: #4a3f3c;
}

/* Reset und Grundlagen */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-beige-light);
}

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

/* ==========================================================================
   HEADER STYLES
   ========================================================================== */

.site-header {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 200px;
    color: white;
}

    /* Header-Hintergründe für verschiedene Seiten/Kategorien */
    .site-header.header-home {
        background-image: linear-gradient(rgba(184,134,107,0.4), rgba(166,119,97,0.4)), url('../images/header-home.jpg');
        background-color: var(--color-terracotta);
    }

    .site-header.header-schueler {
        background-image: linear-gradient(rgba(122,155,126,0.4), rgba(107,142,127,0.4)), url('../images/header-schueler.jpg');
        background-color: var(--color-green-accent);
    }

    .site-header.header-lehrer {
        background-image: linear-gradient(rgba(184,134,107,0.4), rgba(166,119,97,0.4)), url('../images/header-lehrer.jpg');
        background-color: var(--color-terracotta-dark);
    }

    .site-header.header-geschichte {
        background-image: linear-gradient(rgba(166,119,97,0.4), rgba(184,134,107,0.4)), url('../images/header-geschichte.jpg');
        background-color: var(--color-terracotta);
    }

    .site-header.header-sonstiges {
        background-image: linear-gradient(rgba(122,155,126,0.4), rgba(107,142,127,0.4)), url('../images/header-sonstiges.jpg');
        background-color: var(--color-green-accent);
    }

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    position: relative;
    z-index: 10;
}

.logo-area {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
}

.logo-img {
    height: 50px;
    width: auto;
    margin-right: 15px;
}

.site-title {
    font-size: 1.8rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ==========================================================================
   NAVIGATION STYLES
   ========================================================================== */

.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

    .nav-link:hover {
        background-color: rgba(255,255,255,0.15);
        transform: translateY(-2px);
    }

/* Submenu Styles */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(61,50,48,0.2);
    z-index: 1000;
    overflow: hidden;
}

    .submenu .nav-link {
        color: var(--color-text-dark);
        padding: 12px 18px;
        border-bottom: 1px solid var(--color-beige-light);
        text-shadow: none;
    }

        .submenu .nav-link:hover {
            background-color: var(--color-beige-light);
            color: var(--color-green-accent);
        }

    .submenu.level-3 {
        left: 100%;
        top: 0;
    }

/* Parent-Elemente für absolute Positionierung vorbereiten */
.nav-menu-subpage .submenu.level-2 .nav-item {
    position: relative;
}

.nav-menu-subpage .submenu.level-3 .nav-item {
    position: relative;
}

/* ==========================================================================
   HOVER-EFFEKTE FÜR UNTERSEITEN
   ========================================================================== */

.nav-menu-subpage .submenu.level-2 > .nav-item {
    position: relative;
}

.nav-menu-subpage .submenu.level-3 > .nav-item {
    position: relative;
}

.nav-menu-subpage > .nav-item.has-submenu:hover > .submenu.level-2 {
    display: block;
}

.nav-menu-subpage .submenu.level-2 > .nav-item.has-submenu:hover > .submenu.level-3 {
    display: block;
    position: absolute;
    left: 100%;
    top: 0;
}

.nav-menu-subpage .submenu.level-3 .nav-link {
    color: var(--color-text-dark);
    text-shadow: none;
}

    .nav-menu-subpage .submenu.level-3 .nav-link:hover {
        background-color: var(--color-beige-light);
        color: var(--color-green-accent);
    }

.nav-menu-subpage .submenu.level-3 > .nav-item.has-submenu:hover > .submenu.level-4 {
    display: block;
    position: absolute;
    left: 100%;
    top: 0;
}

.nav-menu-subpage .submenu.level-4 .nav-link {
    color: var(--color-text-dark);
    text-shadow: none;
}

    .nav-menu-subpage .submenu.level-4 .nav-link:hover {
        background-color: var(--color-beige-light);
        color: var(--color-green-accent);
    }

/* Overflow für Dropdowns erlauben */
.site-header {
    overflow: visible;
}

.header-content {
    overflow: visible;
}

.main-navigation {
    overflow: visible;
}

.nav-menu-subpage {
    overflow: visible;
}

    .nav-menu-subpage .submenu.level-2 {
        overflow: visible;
        list-style: none;
    }

    .nav-menu-subpage .submenu.level-3 {
        overflow: visible;
        list-style: none;
    }

    .nav-menu-subpage .submenu.level-4 {
        list-style: none;
    }

/* Login Form */
.login-form-container {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(61,50,48,0.2);
    padding: 20px;
    min-width: 300px;
    z-index: 1000;
}

.login-form .form-group {
    margin-bottom: 15px;
}

.login-form input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 14px;
}

.login-form .form-actions {
    display: flex;
    gap: 10px;
}

/* ==========================================================================
   BUTTON STYLES
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-green-accent);
    color: white;
}

    .btn-primary:hover {
        background-color: var(--color-green-hover);
        transform: translateY(-2px);
    }

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

    .btn-secondary:hover {
        background-color: var(--color-terracotta);
    }

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* ==========================================================================
   HERO SECTION (Startseite)
   ========================================================================== */

.hero-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--color-terracotta) 0%, var(--color-terracotta-dark) 100%);
}

.hero-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(61,50,48,0.15);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    position: relative;
    min-height: 250px;
    display: flex;
    align-items: end;
}

    .hero-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(45deg, rgba(61,50,48,0.7), transparent);
        z-index: 1;
    }

    .hero-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 30px 60px rgba(61,50,48,0.25);
    }

.card-schueler {
    background-image: linear-gradient(135deg, #e8a87c, #d4956b);
    color: white;
}

.card-lehrer {
    background-image: linear-gradient(135deg, #e89b6a, #cf8554);
    color: white;
}

.card-geschichte {
    background-image: linear-gradient(135deg, #daa574, #c9926a);
    color: white;
}

.card-content {
    position: relative;
    z-index: 2;
    padding: 30px;
    width: 100%;
}

    .card-content h2 {
        font-size: 1.5rem;
        font-weight: bold;
        margin-bottom: 10px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    .card-content p {
        opacity: 0.9;
        line-height: 1.5;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    }

/* ==========================================================================
   CONTENT SECTIONS
   ========================================================================== */

.main-content {
    min-height: calc(100vh - 200px);
}

.welcome-section {
    padding: 60px 0;
    background: var(--color-beige-light);
    text-align: center;
}

    .welcome-section h1 {
        font-size: 2.5rem;
        color: var(--color-text-dark);
        margin-bottom: 20px;
    }

.welcome-text {
    font-size: 1.1rem;
    color: var(--color-text-medium);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    background-image: url('../images/schriftrolle01.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    padding: 60px 60px;
    position: relative;
}

/* Schriftrolle-Effekt */
.welcome-scroll {
    background-image: url('../images/schriftrolle01.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    padding: 60px 60px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

    .welcome-scroll h1 {
        font-family: 'Georgia', 'Times New Roman', serif;
        color: #f5ede5;
        text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        margin-bottom: 30px;
    }

    .welcome-scroll .welcome-text {
        background: none;
        padding: 0;
        color: #41251a;
        font-family: 'Georgia', 'Times New Roman', serif;
        line-height: 2;
    }

.articles-section {
    padding: 60px 0;
    background: var(--color-beige-light);
}

    .articles-section h2 {
        text-align: center;
        font-size: 2rem;
        color: var(--color-text-dark);
        margin-bottom: 40px;
    }

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.article-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(61,50,48,0.1);
    transition: all 0.3s ease;
}

    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(61,50,48,0.2);
    }

.article-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

    .article-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: 20px;
}

    .article-content h3 {
        margin-bottom: 10px;
    }

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

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

.article-excerpt {
    color: var(--color-text-medium);
    margin-bottom: 15px;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.read-more {
    color: var(--color-green-accent);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

    .read-more:hover {
        color: var(--color-green-hover);
    }

/* Kategoriebild */
.category-image {
    margin: 20px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

    .category-image img {
        width: 100%;
        height: auto;
        max-height: 400px;
        object-fit: cover;
        display: block;
    }

.category-description {
    background: var(--bg-light, #f8f9fa);
    border-left: 4px solid var(--primary-blue, #0066cc);
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 8px;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-dark, #333);
}

@media (max-width: 768px) {
    .category-image img {
        max-height: 250px;
    }
}

/* ==========================================================================
   ARTICLE PAGE
   ========================================================================== */

.article-full {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(61,50,48,0.1);
    margin-bottom: 40px;
}

.article-header {
    padding: 30px;
    border-bottom: 1px solid var(--color-beige-light);
}

.article-title {
    font-size: 2.2rem;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

.meta-item {
    display: flex;
    align-items: center;
}

.meta-label {
    font-weight: 600;
    margin-right: 5px;
}

.article-featured-image {
    max-height: 400px;
    overflow: hidden;
}

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

.article-content {
    padding: 30px;
}

.article-excerpt {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--color-beige-light);
    border-left: 4px solid var(--color-green-accent);
    border-radius: 5px;
}

.article-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-dark);
}

    .article-body h1,
    .article-body h2,
    .article-body h3,
    .article-body h4,
    .article-body h5,
    .article-body h6 {
        margin-top: 30px;
        margin-bottom: 15px;
        color: var(--color-text-dark);
    }

    .article-body p {
        margin-bottom: 15px;
    }

    .article-body ul,
    .article-body ol {
        margin-bottom: 15px;
        padding-left: 30px;
    }

    .article-body li {
        margin-bottom: 5px;
    }

.article-footer {
    padding: 30px;
    border-top: 1px solid var(--color-beige-light);
    background: var(--color-cream);
}

.article-tags {
    margin-bottom: 20px;
}

.tags-label {
    font-weight: 600;
    margin-right: 10px;
}

.tag {
    background: var(--color-beige-light);
    color: var(--color-text-dark);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-right: 10px;
    display: inline-block;
    margin-bottom: 5px;
}

.article-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.article-content img {
    max-width: 100%;
    height: auto;
    display: block;
}

    .article-content img.img-fluid {
        max-width: 100%;
        width: 100%;
        height: auto;
        display: block;
    }

    .article-content img.center-image {
        display: block;
        margin: 20px auto;
        max-width: 100%;
        height: auto;
    }

.article-content {
    overflow-x: auto;
    word-wrap: break-word;
}

    .article-content figure {
        margin: 20px 0;
        max-width: 100%;
    }

        .article-content figure img {
            max-width: 100%;
            height: auto;
        }

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */

.breadcrumb {
    padding: 20px 0;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

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

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

/* ==========================================================================
   PAGINATION
   ========================================================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 40px 0;
}

.pagination-link {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    text-decoration: none;
    color: var(--color-text-dark);
    transition: all 0.3s ease;
}

    .pagination-link:hover {
        background-color: var(--color-green-accent);
        color: white;
        border-color: var(--color-green-accent);
    }

    .pagination-link.current {
        background-color: var(--color-green-accent);
        color: white;
        border-color: var(--color-green-accent);
    }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background-color: var(--color-terracotta-dark);
    color: white;
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.footer-section h4 {
    margin-bottom: 15px;
    color: var(--color-cream);
}

.footer-links {
    list-style: none;
}

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links a {
        color: var(--color-beige-light);
        text-decoration: none;
        transition: color 0.3s ease;
    }

        .footer-links a:hover {
            color: white;
        }

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-terracotta);
    color: var(--color-peach);
}

/* ==========================================================================
   PAGE-SPECIFIC STYLES
   ========================================================================== */

.page-header {
    padding: 40px 0;
    text-align: center;
    background: white;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(61,50,48,0.1);
}

    .page-header h1 {
        color: var(--color-text-dark);
        font-size: 2.2rem;
        margin-bottom: 10px;
    }

.article-count {
    color: var(--color-text-medium);
    font-size: 1rem;
}

.no-articles,
.no-content {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(61,50,48,0.1);
}

.category-description {
    background: var(--color-beige-light);
    border-left: 4px solid var(--color-green-accent);
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 8px;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text-dark);
}

/* ==========================================================================
   ALERTS
   ========================================================================== */

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* ==========================================================================
   FORM STYLES
   ========================================================================== */

.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        margin-bottom: 5px;
        font-weight: 500;
        color: var(--color-text-dark);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        width: 100%;
        padding: 12px;
        border: 1px solid var(--color-border);
        border-radius: 5px;
        font-size: 14px;
        transition: border-color 0.3s ease;
        background: var(--color-cream);
    }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-green-accent);
            box-shadow: 0 0 5px rgba(122,155,126,0.3);
        }

.form-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ==========================================================================
   LOGIN PAGE
   ========================================================================== */

.login-page {
    background: linear-gradient(135deg, var(--color-terracotta) 0%, var(--color-terracotta-dark) 100%);
    min-height: 100vh;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 40px 0;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(61,50,48,0.15);
    width: 100%;
    max-width: 400px;
}

    .login-box h1 {
        text-align: center;
        color: var(--color-text-dark);
        margin-bottom: 30px;
    }

.login-info {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--color-text-medium);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .main-navigation {
        order: 2;
        width: 100%;
    }

    .nav-menu {
        flex-direction: column;
        background: rgba(255,255,255,0.1);
        border-radius: 10px;
        padding: 10px;
    }

    .submenu {
        position: static;
        display: none;
        box-shadow: none;
        background: rgba(255,255,255,0.1);
        margin-left: 20px;
        margin-top: 10px;
    }

    .hero-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .form-actions {
        flex-direction: column;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

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

    .hero-card {
        min-height: 200px;
    }

    .card-content {
        padding: 20px;
    }

    .article-title {
        font-size: 1.8rem;
    }

    .welcome-section h1 {
        font-size: 2rem;
    }

    .login-box {
        margin: 20px;
        padding: 30px 20px;
    }
}