/* Oberstufen-Verwaltungssystem Stylesheet */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Header und Navigation */
.header {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1000; /* Über dem Menü */
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-container img {
    height: 60px;
    width: auto;
}

.site-title {
    color: #d3d3d3;
    font-size: 24px;
    font-weight: 600;
}

/* Burger Menu Button (nur mobil, links neben Logo) */
.burger-menu {
    display: none; /* Auf Desktop komplett versteckt */
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background: #d3d3d3;
    transition: all 0.3s ease;
}

/* Burger animiert zu X */
.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Desktop-Navigation (standard horizontal) */
.desktop-nav {
    display: block;
}

/* Mobile-Navigation (auf Desktop versteckt) */
.mobile-nav {
    display: none;
}

.navigation {
    background-color: #c0392b;
    border-top: 1px solid rgba(211, 211, 211, 0.2);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 5px;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 15px 20px;
    color: #d3d3d3;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 15px;
}

.nav-menu a:hover {
    background-color: rgba(0,0,0,0.1);
    color: #fff;
}

.nav-menu a.active {
    background-color: rgba(0,0,0,0.2);
    color: #fff;
    font-weight: 600;
}

/* Deaktivierte Navigation-Links */
.nav-link-disabled {
    display: block;
    padding: 15px 20px;
    color: #999;
    font-size: 15px;
    opacity: 0.5;
    cursor: not-allowed;
    text-decoration: line-through;
}

.nav-menu .admin-link {
    margin-left: auto;
    background-color: rgba(0,0,0,0.2);
    border-radius: 4px;
}

.nav-menu .admin-link:hover {
    background-color: rgba(0,0,0,0.3);
}

/* Admin-Navigation (im Header-Bereich) */
.admin-navigation {
    background-color: #a93226;
    border-top: 1px solid rgba(0,0,0,0.1);
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
}

.admin-nav-menu {
    list-style: none;
    display: flex;
    gap: 5px;
    align-items: center;
}

.admin-nav-menu li {
    position: relative;
}

.admin-nav-menu a {
    display: block;
    padding: 12px 18px;
    color: #d3d3d3;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.admin-nav-menu a:hover {
    background-color: rgba(0,0,0,0.2);
    color: #fff;
}

.admin-nav-menu a.active {
    background-color: rgba(0,0,0,0.3);
    color: #fff;
    font-weight: 600;
}

.admin-nav-menu .logout-link {
    margin-left: auto;
}

.admin-nav-menu .logout-link a {
    background-color: rgba(0,0,0,0.2);
    border-radius: 4px;
}

.admin-nav-menu .logout-link a:hover {
    background-color: rgba(0,0,0,0.4);
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 20px;
}

.content-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 30px;
    min-height: 500px;
    max-width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.content-box * {
    max-width: 100%;
}

/* Willkommensbereich */
.welcome-box {
    text-align: center;
    padding: 60px 20px;
}

.welcome-box h1 {
    color: #e74c3c;
    font-size: 32px;
    margin-bottom: 20px;
}

.welcome-box p {
    color: #666;
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* Admin Dashboard */
.admin-dashboard h1 {
    color: #e74c3c;
    margin-bottom: 10px;
}

/* Login-Bereich */
.login-container {
    max-width: 450px;
    margin: 50px auto;
}

.login-box {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 40px;
}

.login-box h2 {
    color: #e74c3c;
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #e74c3c;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

/* Links in Buttons - auch bei :visited gleiche Farbe */
a.btn, a.btn:visited, a.btn:link, a.btn:active {
    text-decoration: none;
}

.btn-primary {
    background-color: #e74c3c;
    color: #d3d3d3;
    width: 100%;
}

/* Auch als Link */
a.btn-primary, a.btn-primary:visited, a.btn-primary:link, a.btn-primary:active {
    color: #d3d3d3;
}

.btn-primary:hover {
    background-color: #c0392b;
    color: #f0f0f0;
}

.btn-secondary {
    background-color: #95a5a6;
    color: #d3d3d3;
}

a.btn-secondary, a.btn-secondary:visited, a.btn-secondary:link, a.btn-secondary:active {
    color: #d3d3d3;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
    color: #f0f0f0;
}

.btn-danger {
    background-color: #e74c3c;
    color: #d3d3d3;
}

a.btn-danger, a.btn-danger:visited, a.btn-danger:link, a.btn-danger:active {
    color: #d3d3d3;
}

.btn-danger:hover {
    background-color: #c0392b;
    color: #f0f0f0;
}

/* Nachrichten */
.message {
    padding: 15px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
}

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

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

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

/* Tabellen */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th {
    background-color: #e74c3c;
    color: #d3d3d3;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

table td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
}

table tr:hover {
    background-color: #f9f9f9;
}

/* Responsive - ALTE REGELN (werden weiter unten überschrieben) */
@media (max-width: 768px) {
    /* Header NICHT column - wird unten neu definiert */
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-menu .admin-link {
        margin-left: 0;
    }
    
    .admin-nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .admin-nav-menu .logout-link {
        margin-left: 0;
    }
}

/* ========================================
   MOBILE NAVIGATION - BURGER MENÜ
   ======================================== */

/* Mobile Navigation (Slide-in von oben, volle Breite) */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: white;
    z-index: 999;
    overflow-y: auto;
    max-height: 100vh;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.mobile-nav.active {
    transform: translateY(0);
}

.mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-top: 90px; /* Mehr Platz für Header (war 80px) */
}

.mobile-menu li {
    border-bottom: 1px solid #eee;
}

.mobile-menu li.menu-separator {
    height: 10px;
    background: #f5f5f5;
    border-top: 2px solid #e74c3c;
    border-bottom: 2px solid #e74c3c;
    margin: 5px 0;
}

.mobile-menu a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    transition: background 0.2s;
    text-align: left;
}

.mobile-menu a:hover {
    background: #f5f5f5;
    color: #e74c3c;
}

.mobile-menu a.active {
    background: #fff3f3;
    color: #e74c3c;
    font-weight: 600;
    border-left: 4px solid #e74c3c;
}

.mobile-menu a.logout {
    color: #999;
    font-size: 14px;
}

/* Overlay - nur um Menü zu schließen, nicht über Header */
.burger-overlay {
    display: none;
    position: fixed;
    top: 80px; /* Unter dem Header */
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(0,0,0,0.3);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.burger-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    /* Burger-Button anzeigen (rechts) */
    .burger-menu {
        display: flex !important;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 10px;
        background: none;
        border: none;
        z-index: 1001;
    }
    
    /* Header anpassen */
    .header-content {
        flex-direction: row !important; /* WICHTIG: Nebeneinander! */
        justify-content: space-between;
        padding: 0 15px;
        flex-wrap: nowrap; /* WICHTIG: Kein Umbruch! */
        gap: 10px;
    }
    
    .logo-container {
        justify-content: flex-start;
        text-align: left;
        flex: 1;
        min-width: 0; /* Wichtig für text-overflow */
    }
    
    .site-title {
        font-size: 18px; /* Kleiner damit es passt */
        text-align: left;
        margin: 0;
        white-space: nowrap; /* Kein Zeilenumbruch */
        overflow: hidden;
        text-overflow: ellipsis; /* ... bei zu langem Text */
    }
    
    .logo-container img {
        height: 45px;
    }
    
    /* Content anpassen */
    .content-box {
        padding: 15px;
        min-height: auto;
    }
    
    /* Formulare: Grid zu Column */
    .content-box form > div[style*="grid"] {
        display: flex !important;
        flex-direction: column !important;
        gap: 15px !important;
        align-items: stretch !important; /* Volle Breite */
        text-align: left !important; /* Linksbündig */
    }
    
    .content-box form .form-group {
        width: 100% !important;
        text-align: left !important;
    }
    
    /* Tabellen: Horizontal scrollbar */
    .content-box table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Buttons in Formularen volle Breite */
    .content-box form button,
    .content-box form input[type="submit"] {
        width: 100%;
    }
    
    /* Formulare mobil */
    .form-group input[type="text"],
    .form-group input[type="password"],
    .form-group input[type="email"],
    .form-group input[type="date"],
    .form-group select,
    .form-group textarea {
        font-size: 16px; /* Verhindert Auto-Zoom auf iOS */
        padding: 12px;
    }
    
    /* Radio-Buttons untereinander */
    .radio-group,
    .kurs-container {
        flex-direction: column !important;
        gap: 10px !important;
    }
    
    .radio-option {
        padding: 10px;
        border: 1px solid #ddd;
        border-radius: 4px;
    }
    
    /* Buttons mobil */
    .button-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        padding: 14px 20px;
        font-size: 16px;
    }
    
    /* Admin-Tabellen mobil */
    table {
        font-size: 13px;
    }
    
    table th,
    table td {
        padding: 8px 6px;
    }
    
    /* Kompakte Admin-Listen für mobil */
    .mobile-compact-row {
        display: block;
        border: 1px solid #ddd;
        border-radius: 4px;
        padding: 12px;
        margin-bottom: 10px;
        background: white;
    }
    
    .mobile-compact-row .main-info {
        font-weight: bold;
        margin-bottom: 5px;
    }
    
    .mobile-compact-row .sub-info {
        font-size: 12px;
        color: #666;
        margin-bottom: 8px;
    }
    
    .mobile-actions-menu {
        position: relative;
        display: inline-block;
    }
    
    .mobile-actions-toggle {
        background: #e74c3c;
        color: white;
        border: none;
        padding: 6px 12px;
        border-radius: 4px;
        cursor: pointer;
        font-size: 16px;
    }
    
    .mobile-actions-dropdown {
        display: none;
        position: absolute;
        right: 0;
        top: 100%;
        background: white;
        border: 1px solid #ddd;
        border-radius: 4px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        min-width: 150px;
        z-index: 100;
    }
    
    .mobile-actions-dropdown.active {
        display: block;
    }
    
    .mobile-actions-dropdown a,
    .mobile-actions-dropdown button {
        display: block;
        padding: 10px 15px;
        text-decoration: none;
        color: #333;
        border: none;
        background: none;
        width: 100%;
        text-align: left;
        cursor: pointer;
        font-size: 14px;
    }
    
    .mobile-actions-dropdown a:hover,
    .mobile-actions-dropdown button:hover {
        background: #f5f5f5;
    }
    
    /* Container-Anpassungen mobil */
    .container {
        padding: 15px;
    }
    
    .content-wrapper {
        padding: 15px;
    }
    
    /* Desktop-Navigation verstecken */
    .desktop-nav {
        display: none !important;
    }
    
    /* Mobile-Navigation aktivieren */
    .mobile-nav {
        display: block;
    }
}

/* Tablet (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .navigation {
        flex-wrap: wrap;
    }
    
    .site-title {
        font-size: 20px;
    }
}


/* Desktop/Mobile Tabellen */
.desktop-table {
    display: block;
}

.mobile-list {
    display: none;
}

@media (max-width: 768px) {
    .desktop-table {
        display: none;
    }
    
    .mobile-list {
        display: block;
    }
}