/* KUD LOLA - Modernes Design mit Rot und Weiß Farbschema */
:root {
    --primary-red: #8E3031;
    --primary-white: #FFFFFF;
    --light-red: #B85C5D;
    --dark-red: #6B2324;
    --gray-light: #F8F9FA;
    --gray-medium: #E9ECEF;
    --gray-dark: #6C757D;
    --text-dark: #212529;
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --shadow-xl: 0 12px 40px rgba(0,0,0,0.2);
}

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

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: linear-gradient(135deg, #170B0B 0%, var(--dark-red) 100%);
    background-attachment: fixed;
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    padding-bottom: 80px; /* Platz für mobile Navbar */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    background: linear-gradient(135deg, #000 0%, var(--dark-red) 100%);
    color: var(--primary-white);
    padding: 20px 0;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.header h1 {
    color: var(--primary-white);
    margin: 0;
    font-weight: 600;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.logo-small {
    height: 50px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
    transition: transform 0.3s ease;
}

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

.header-actions {
    display: flex;
    gap: 10px;
    flex-wrap: nowrap;
    align-items: center;
    flex-shrink: 0;
}

/* Website Link */
.website-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-white);
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.website-link::before {
    content: '👉';
    font-size: 16px;
    margin-right: 2px;
}

.website-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.website-link:hover::after {
    left: 100%;
}

.website-link:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.website-link span:last-child {
    position: relative;
    transition: transform 0.3s ease;
}

.website-link:hover span:last-child {
    transform: translateX(3px);
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    width: 100%;
    max-width: 300px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 12px rgba(142, 48, 49, 0.2));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

/* Login Box */
.login-box {
    max-width: 480px;
    margin: 50px auto;
    background: var(--primary-white);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

@media (min-width: 769px) and (max-width: 1024px) {
    .login-box {
        max-width: 550px;
        padding: 55px 50px;
        margin: 40px auto;
    }
    
    .login-box h1 {
        font-size: 2.4em;
        margin-bottom: 35px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="date"],
    .form-group input[type="password"] {
        padding: 16px 18px;
        font-size: 16px;
    }
    
    .btn {
        padding: 16px 32px;
        font-size: 16px;
    }
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--light-red), var(--primary-red));
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-box h1 {
    text-align: center;
    color: var(--primary-red);
    margin-bottom: 30px;
    font-size: 2.2em;
    font-weight: 700;
    letter-spacing: -1px;
}

/* Forms */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.3px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--primary-white);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(142, 48, 49, 0.1);
    transform: translateY(-1px);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--gray-dark);
    font-size: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-row .form-group {
    display: flex;
    flex-direction: column;
}

.form-row .form-group[style*="grid-column"] {
    grid-column: 1 / -1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: var(--primary-white);
    width: 100%;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--gray-dark);
    color: var(--primary-white);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-danger {
    background: var(--error);
    color: var(--primary-white);
}

.btn-danger:hover {
    background: #C82333;
    transform: translateY(-2px);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 24px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-error {
    background: #FFF5F5;
    color: #C53030;
    border-color: var(--error);
}

.alert-success {
    background: #F0FFF4;
    color: #22543D;
    border-color: var(--success);
}

.alert-info {
    background: #EBF8FF;
    color: #2C5282;
    border-color: #3182CE;
}

.alert-warning {
    background: #FFFBEB;
    color: #744210;
    border-color: var(--warning);
}

/* Mitglied Info */
.mitglied-info {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mitglied-info h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

.mitglied-info p {
    margin-bottom: 12px;
    font-size: 16px;
    line-height: 1.8;
}

/* Beitragsübersicht */
.beitragsuebersicht {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.beitragsuebersicht h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.beitragstabelle {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 20px;
    background: var(--primary-white);
    border-radius: 12px;
    overflow: hidden;
}

.beitragstabelle thead {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: var(--primary-white);
}

.beitragstabelle th,
.beitragstabelle td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-medium);
}

.beitragstabelle th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.beitragstabelle tbody tr {
    transition: all 0.2s ease;
}

.beitragstabelle tbody tr:hover {
    background: var(--gray-light);
    transform: scale(1.01);
}

.beitragstabelle tbody tr.bezahlt {
    background: #F0FFF4;
}

.beitragstabelle tbody tr.offen {
    background: #FFFBEB;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.status-bezahlt {
    background: var(--success);
    color: var(--primary-white);
}

.status-offen {
    background: var(--warning);
    color: var(--text-dark);
}

/* Admin Tables */
.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--primary-white);
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.admin-table thead {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: var(--primary-white);
}

.admin-table th,
.admin-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-medium);
}

.admin-table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.admin-table tbody tr {
    transition: all 0.2s ease;
}

.admin-table tbody tr:hover {
    background: var(--gray-light);
}

.betrag-input {
    width: 100px;
    padding: 8px 12px;
    border-radius: 8px;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--primary-white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-red), var(--light-red));
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    color: var(--gray-dark);
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-number {
    font-size: 3.5em;
    font-weight: 700;
    color: var(--primary-red);
    line-height: 1;
}

.stat-warning .stat-number {
    color: var(--warning);
}

.stat-success .stat-number {
    color: var(--success);
}

/* Gruppen */
.gruppen-uebersicht {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gruppen-uebersicht h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

.gruppen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.gruppen-card {
    background: var(--gray-light);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--primary-red);
    transition: all 0.3s ease;
}

.gruppen-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: var(--primary-white);
}

.gruppen-card h3 {
    color: var(--primary-red);
    margin-bottom: 12px;
    font-size: 1.1em;
    font-weight: 600;
}

.gruppen-anzahl {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--text-dark);
}

/* Quick Actions */
.quick-actions {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quick-actions h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.action-card {
    background: var(--gray-light);
    padding: 28px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-dark);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(142, 48, 49, 0.1), transparent);
    transition: left 0.5s;
}

.action-card:hover::before {
    left: 100%;
}

.action-card:hover {
    border-color: var(--primary-red);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--primary-white);
}

.action-card h3 {
    color: var(--primary-red);
    margin-bottom: 12px;
    font-size: 1.3em;
    font-weight: 600;
}

.action-card p {
    color: var(--gray-dark);
    line-height: 1.6;
}

/* Admin Sections */
.admin-section {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.admin-section h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

.mitglied-form {
    max-width: 800px;
}

.search-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.search-form input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    font-size: 15px;
}

.month-selector {
    margin-bottom: 20px;
}

.month-selector input {
    padding: 12px 16px;
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    font-size: 15px;
}

.current-month {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 500;
}

/* Bilder */
.bilder-galerie {
    background: var(--primary-white);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.bilder-galerie h2 {
    color: var(--primary-red);
    margin-bottom: 24px;
    font-size: 1.8em;
    font-weight: 700;
}

.bilder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
}

.bild-item,
.bild-item-admin {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.bild-item:hover,
.bild-item-admin:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.bild-item img,
.bild-item-admin img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.bild-actions {
    padding: 12px;
    background: var(--gray-light);
    text-align: center;
}

.bild-date {
    padding: 8px 12px;
    background: var(--gray-light);
    font-size: 12px;
    color: var(--gray-dark);
    text-align: center;
}

.upload-form {
    max-width: 600px;
}

/* Viber Form */
.viber-form {
    max-width: 800px;
}

.mitglieder-checkbox-list {
    max-height: 400px;
    overflow-y: auto;
    border: 2px solid var(--gray-medium);
    border-radius: 12px;
    padding: 20px;
    background: var(--gray-light);
}

.mitglieder-checkbox-list label {
    display: block;
    padding: 10px;
    margin-bottom: 6px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.mitglieder-checkbox-list label:hover {
    background: var(--primary-white);
}

.mitglieder-checkbox-list input[type="checkbox"] {
    margin-right: 10px;
    cursor: pointer;
}

/* Footer Link */
.footer-link {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
}

.footer-link a {
    color: var(--primary-red);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-red);
    background: rgba(142, 48, 49, 0.05);
    font-size: 15px;
    position: relative;
    overflow: hidden;
}

.footer-link a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(142, 48, 49, 0.1), transparent);
    transition: left 0.5s;
}

.footer-link a:hover::before {
    left: 100%;
}

.footer-link a:hover {
    color: var(--primary-white);
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border-color: var(--primary-red);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(142, 48, 49, 0.3);
}

.footer-link a span:last-child {
    position: relative;
    transition: transform 0.3s ease;
}

.footer-link a:hover span:last-child {
    transform: translateX(5px);
}

/* Mobile Bottom Bar (immer sichtbar) */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #1a1a1a 0%, var(--dark-red) 100%);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.3);
    z-index: 1001;
    height: 70px;
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Burger Menu Button (mittig im Bottom Bar) */
.mobile-burger-btn {
    display: none;
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(142, 48, 49, 0.5);
    z-index: 1002;
    cursor: pointer;
    transition: all 0.3s ease;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
}

.mobile-burger-btn:hover {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 6px 25px rgba(142, 48, 49, 0.6);
}

.mobile-burger-btn.active {
    background: linear-gradient(135deg, var(--dark-red) 0%, var(--primary-red) 100%);
    transform: translateX(-50%) rotate(180deg);
}

.mobile-burger-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-burger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-burger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay (von unten nach oben) */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 70px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(142, 48, 49, 0.98) 100%);
    box-shadow: 0 -4px 30px rgba(0,0,0,0.6), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    z-index: 1000;
    padding: 0;
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
    backdrop-filter: blur(30px) saturate(180%);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    border-top: 2px solid rgba(255, 255, 255, 0.15);
}

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

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 70px;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.mobile-nav-overlay.active {
    pointer-events: auto;
}

.mobile-nav-overlay.active {
    opacity: 1;
}

.mobile-nav-header {
    padding: 25px 20px 18px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(142, 48, 49, 0.98) 100%);
    z-index: 1;
    backdrop-filter: blur(20px);
}

.mobile-nav-header h3 {
    color: white;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
}

.mobile-nav-close {
    width: 35px;
    height: 35px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-nav-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.mobile-nav-items {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
}

.mobile-nav-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--primary-white);
    padding: 20px 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-left: 4px solid transparent;
    margin: 4px auto;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    text-align: center;
    width: calc(100% - 20px);
    max-width: 300px;
}

.mobile-nav-item:hover {
    background: rgba(255, 255, 255, 0.12);
    border-left-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.02);
}

.mobile-nav-item.active {
    background: rgba(255, 255, 255, 0.18);
    border-left-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.mobile-nav-item span {
    font-size: 26px;
    margin-right: 12px;
    width: 35px;
    text-align: center;
    display: block;
    line-height: 1;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.mobile-nav-item:hover span {
    transform: scale(1.1);
}

.mobile-nav-item.active span {
    transform: scale(1.15);
    filter: drop-shadow(0 3px 6px rgba(0,0,0,0.4));
}

.mobile-nav-item small {
    font-size: 17px;
    font-weight: 600;
    opacity: 0.9;
    text-transform: none;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    text-align: center;
    flex: 0 1 auto;
}

.mobile-nav-item:hover small {
    opacity: 1;
    font-weight: 650;
}

.mobile-nav-item.active small {
    opacity: 1;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Mobile Header (nur auf mobilen Geräten) */
.mobile-header {
    display: none;
    background: linear-gradient(135deg, #000 0%, var(--dark-red) 100%);
    color: var(--primary-white);
    padding: 20px 15px;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 99;
}

.mobile-header-content {
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 100%;
}

.mobile-logo {
    height: 45px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.mobile-header h2 {
    color: var(--primary-white);
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    flex: 1;
}

/* Einklappbare Bereiche */
.collapsible-section {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--dark-red) 100%);
    color: var(--primary-white);
    transition: all 0.3s ease;
    user-select: none;
}

.collapsible-header:hover {
    background: linear-gradient(135deg, var(--light-red) 0%, var(--primary-red) 100%);
}

.collapsible-header h2 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-white);
}

.collapsible-icon {
    font-size: 14px;
    transition: transform 0.3s ease;
    color: var(--primary-white);
}

.collapsible-content {
    padding: 20px;
    display: block;
}

.collapsible-content.hidden {
    display: none;
}

/* Obavijest Bereich */
.obavijest-section {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.15) 0%, rgba(255, 152, 0, 0.15) 100%);
    border: 2px solid rgba(255, 193, 7, 0.3);
    border-radius: 12px;
    padding: 20px;
    margin-top: 30px;
    margin-bottom: 100px; /* Platz für mobile Navbar */
    box-shadow: var(--shadow-md);
}

.obavijest-section h2 {
    color: var(--primary-red);
    margin: 0 0 15px 0;
    font-size: 22px;
    font-weight: 600;
}

.obavijest-content {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: 18px;
}

.obavijest-content h3 {
    color: var(--text-dark);
    margin: 0 0 12px 0;
    font-size: 18px;
    font-weight: 600;
}

.obavijest-text {
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 15px;
}

.obavijest-date {
    color: var(--gray-dark);
    font-size: 12px;
    font-style: italic;
    display: block;
    margin-top: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-bottom: 100px;
    }
    
    /* Header auf mobile anzeigen (angepasst) */
    .header {
        display: block;
        padding: 15px 0;
    }
    
    .header .container {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .header-left {
        flex: 1;
        min-width: 100%;
    }
    
    .header h1 {
        font-size: 1.2em;
    }
    
    .header-actions {
        flex-wrap: wrap;
        gap: 8px;
        width: 100%;
        margin-top: 10px;
    }
    
    .header-actions .btn {
        flex: 1;
        min-width: 120px;
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .logo-small {
        height: 35px;
    }
    
    /* Mobile Header nicht mehr benötigt */
    .mobile-header {
        display: none;
    }
    
    /* Mobile Bottom Bar und Burger Button anzeigen */
    .mobile-bottom-bar {
        display: block;
    }
    
    .mobile-burger-btn {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
    
    .mobile-nav-overlay {
        display: block;
    }
    
    /* Einklappbare Bereiche auf mobile anpassen */
    .collapsible-header {
        padding: 15px;
    }
    
    .collapsible-header h2 {
        font-size: 18px;
    }
    
    .collapsible-content {
        padding: 15px;
    }
    
    .obavijest-section {
        margin-bottom: 90px;
        padding: 15px;
    }
    
    .obavijest-section h2 {
        font-size: 20px;
    }
    
    .obavijest-content {
        padding: 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid,
    .gruppen-grid,
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .bilder-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .login-box {
        padding: 35px 25px;
        margin: 30px 15px;
    }
    
    /* Container Padding anpassen */
    .container {
        padding: 15px;
    }
    
    /* Cards auf mobile anpassen */
    .admin-section,
    .mitglied-info,
    .beitragsuebersicht,
    .bilder-galerie {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    /* Buttons auf mobile größer */
    .btn {
        padding: 16px 24px;
        font-size: 16px;
    }
}

/* Tablet-spezifische Verbesserungen (iPad) */
@media (min-width: 769px) and (max-width: 1024px) {
    /* Bessere Tabellen-Darstellung auf Tablet */
    .table-responsive {
        overflow-x: visible;
    }
    
    .beitragstabelle,
    .admin-table {
        font-size: 15px;
    }
    
    .beitragstabelle th,
    .beitragstabelle td,
    .admin-table th,
    .admin-table td {
        padding: 14px 12px;
    }
    
    /* Stat Cards optimieren */
    .stat-card {
        padding: 28px 24px;
    }
    
    .stat-number {
        font-size: 3em;
    }
    
    /* Gruppen Cards */
    .gruppen-card {
        padding: 20px;
    }
    
    /* Action Cards */
    .action-card {
        padding: 24px;
    }
    
    /* Header optimieren */
    .header {
        padding: 18px 0;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    .logo-small {
        height: 45px;
    }
    
    /* Formulare optimieren */
    .mitglied-form {
        max-width: 100%;
    }
    
    /* Bilder Grid */
    .bilder-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
    
    /* Login Box für Tablet optimieren */
    .login-box {
        max-width: 550px;
        padding: 55px 50px;
        margin: 40px auto;
    }
    
    .login-box h1 {
        font-size: 2.4em;
        margin-bottom: 35px;
    }
    
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="date"],
    .form-group input[type="password"] {
        padding: 16px 18px;
        font-size: 16px;
    }
    
    .btn {
        padding: 16px 32px;
        font-size: 16px;
    }
    
    /* Container für Tablet */
    .container {
        max-width: 900px;
        padding: 25px;
    }
    
    /* Admin Sections für Tablet */
    .admin-section,
    .mitglied-info,
    .beitragsuebersicht {
        padding: 30px;
    }
    
    /* Stats Grid für Tablet */
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    /* Gruppen Grid für Tablet */
    .gruppen-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Actions Grid für Tablet */
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Header Actions für Tablet */
    .header .container {
        flex-wrap: nowrap;
        gap: 15px;
    }
    
    .header-left {
        gap: 15px;
    }
    
    .logo-small {
        height: 45px;
    }
    
    .header h1 {
        font-size: 1.4em;
    }
    
    .header-actions {
        flex-wrap: nowrap;
        gap: 10px;
    }
    
    .header-actions .btn {
        padding: 10px 16px;
        font-size: 14px;
        white-space: nowrap;
    }
    
    .website-link {
        padding: 8px 14px;
        font-size: 13px;
        white-space: nowrap;
    }
    
    /* Logo auf Tablet */
    .logo {
        max-width: 350px;
    }
}

/* Tablet Optimierungen (iPad) */
@media (min-width: 769px) and (max-width: 1024px) {
    .mobile-nav {
        display: none !important;
    }
    
    .header {
        display: block;
    }
    
    body {
        padding-bottom: 0;
    }
    
    .container {
        max-width: 900px;
        padding: 25px;
    }
    
    .login-box {
        max-width: 500px;
        padding: 45px 40px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .gruppen-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-section,
    .mitglied-info,
    .beitragsuebersicht {
        padding: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .header .container {
        flex-wrap: nowrap;
    }
    
    .header-actions {
        flex-wrap: nowrap;
    }
}

@media (min-width: 1025px) {
    .mobile-nav {
        display: none !important;
    }
    
    .header {
        display: block;
    }
    
    body {
        padding-bottom: 0;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-red);
    color: var(--primary-white);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--primary-white);
    margin: auto;
    padding: 35px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
    animation: slideUp 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    color: var(--gray-dark);
    font-size: 32px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    position: absolute;
    top: 15px;
    right: 20px;
    transition: color 0.3s ease, transform 0.2s ease;
    background: none;
    border: none;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--primary-red);
    transform: scale(1.1);
    outline: none;
}

.modal-content h2 {
    color: var(--primary-red);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 24px;
    font-weight: 600;
    padding-right: 40px;
}

.modal-content p {
    color: var(--gray-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.modal-content .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.modal-content .form-group input[type="email"] {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.modal-content .form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-red);
}

@media (max-width: 768px) {
    .modal {
        padding: 20px;
    }
    
    .modal-content {
        width: 95%;
        padding: 25px 20px;
        margin: 0;
    }
    
    .modal-content h2 {
        font-size: 20px;
        padding-right: 35px;
    }
    
    .modal-close {
        font-size: 28px;
        top: 10px;
        right: 15px;
    }
}