/* Vereinskalender Responsive Design */

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

:root {
    --primary-color: #33764d;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #9b59b6;
    --light-gray: #ecf0f1;
    --dark-gray: #34495e;
    --text-color: #2c3e50;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f7fa;
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: var(--box-shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.navbar-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Karten */
.card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-success {
    background-color: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    background-color: #229954;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}

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

.btn-warning {
    background-color: var(--warning-color);
    color: #fff;
}

.btn-warning:hover {
    background-color: #e67e22;
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Formulare */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
}

/* Kalenderansicht */
.calendar-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.event-list {
    display: grid;
    gap: 1rem;
}

.event-item {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.event-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.event-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.event-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.event-description {
    margin-bottom: 1rem;
    color: #555;
}

.event-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--light-gray);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.stat-badge {
    display: inline-block;
    min-width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
}

.stat-badge.zusagen {
    background-color: #d5f4e6;
    color: var(--success-color);
}

.stat-badge.absagen {
    background-color: #fadbd8;
    color: var(--danger-color);
}

.stat-badge.vielleicht {
    background-color: #fef5e7;
    color: var(--warning-color);
}

.event-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Teilnahme-Buttons */
.participation-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    padding: 1rem;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #fff;
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d5f4e6;
    border-color: var(--success-color);
    color: #1e8449;
}

.alert-danger {
    background-color: #fadbd8;
    border-color: var(--danger-color);
    color: #a93226;
}

.alert-warning {
    background-color: #fef5e7;
    border-color: var(--warning-color);
    color: #b9770e;
}

.alert-info {
    background-color: #ebdef0;
    border-color: var(--info-color);
    color: #6c3483;
}

/* Tabellen */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}

table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: var(--dark-gray);
}

table tr:hover {
    background-color: #f8f9fa;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d5f4e6;
    color: var(--success-color);
}

.badge-danger {
    background-color: #fadbd8;
    color: var(--danger-color);
}

.badge-warning {
    background-color: #fef5e7;
    color: var(--warning-color);
}

.badge-info {
    background-color: #ebdef0;
    color: var(--info-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #999;
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state-text {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--light-gray);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #fff;
        padding: 1rem;
        box-shadow: var(--box-shadow);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .navbar .container {
        flex-wrap: wrap;
    }
    
    .calendar-filters {
        flex-direction: column;
    }
    
    .event-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .event-stats {
        flex-wrap: wrap;
    }
    
    .event-actions {
        flex-direction: column;
    }
    
    .participation-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1rem 0.5rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .modal-content {
        margin: 0;
        max-height: 100vh;
        border-radius: 0;
    }
}

/* Druckversion */
@media print {
    .navbar,
    .btn,
    .event-actions,
    .participation-buttons,
    .modal {
        display: none !important;
    }
    
    body {
        background: #fff;
    }
    
    .card,
    .event-item {
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}