/* Grundlegendes Grid Layout */
.advent-calendar {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* Türchen Styling */
.advent-door {
    aspect-ratio: 1;
    background: linear-gradient(45deg, #8B0000, #B22222);
    border: 3px solid #FFD700;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: #FFD700 !important;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.advent-door:before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 2px solid rgba(255,215,0,0.3);
    border-radius: 6px;
}

.advent-door:hover:not(.opened):not(.locked) {
    transform: scale(1.05);
    background: linear-gradient(45deg, #A52A2A, #DC143C);
    box-shadow: 0 5px 15px rgba(255,215,0,0.4);
}

/* Geöffnete Türchen */
.advent-door.opened {
    background: linear-gradient(45deg, #006400, #228B22);
    cursor: default;
    transform: scale(0.95);
    color: #FFD700 !important;
}

.advent-door.opened:after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 40px;
    color: #FFD700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

/* Gesperrte Türchen */
.advent-door.locked {
    background: linear-gradient(45deg, #555, #777);
    cursor: not-allowed;
    opacity: 0.7;
    color: #999 !important;
}

.advent-door.locked:before {
    border-color: rgba(255,255,255,0.1);
}

/* Öffnungs-Animation */
.advent-door.opening {
    animation: doorOpen 0.8s ease-in-out forwards;
}

@keyframes doorOpen {
    0% {
        transform: perspective(500px) rotateY(0deg);
        opacity: 1;
    }
    50% {
        transform: perspective(500px) rotateY(90deg);
        opacity: 0.7;
    }
    100% {
        transform: perspective(500px) rotateY(0deg);
        opacity: 0;
        visibility: hidden;
    }
}

/* Overlay für Tür-Inhalt */
.door-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.door-content-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 5px solid #FFD700;
}

.door-content-inner {
    text-align: center;
}

.door-content h3 {
    color: #8B0000;
    font-size: 28px;
    margin-bottom: 20px;
}

.door-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #333;
}

.door-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 15px 0;
}

.back-to-calendar {
    background: linear-gradient(45deg, #8B0000, #B22222);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.back-to-calendar:hover {
    background: linear-gradient(45deg, #A52A2A, #DC143C);
    transform: translateX(-5px);
}

/* Maintenance Mode Styles */
.maintenance-notice {
    background: linear-gradient(45deg, #ff6b6b, #ffa500);
    color: white;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
    border: 3px solid #ff4444;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

/* Admin-Bereich - DUNKLER HINTERGRUND für bessere Lesbarkeit */
.advent-admin {
    background: #2c3e50 !important;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    border-left: 5px solid #0073aa;
    color: white !important;
}

.advent-admin h3 {
    color: #FFD700 !important;
    margin-bottom: 15px;
    border-bottom: 2px solid #0073aa;
    padding-bottom: 10px;
}

.advent-admin-info {
    background: #e7f3ff;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 5px;
    font-size: 12px;
    border: 1px solid #b3d9ff;
    color: #2c3e50 !important;
}

.admin-section {
    background: #34495e !important;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
    border-left: 4px solid #0073aa;
    color: white !important;
}

.admin-section h4 {
    margin-top: 0;
    color: #FFD700 !important;
}

.admin-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.admin-controls input {
    padding: 8px 12px;
    border: 2px solid #0073aa;
    border-radius: 5px;
    font-size: 16px;
    width: 80px;
    background: #ecf0f1;
    color: #2c3e50;
}

.admin-controls button, .admin-section button {
    background: #0073aa;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
    font-weight: bold;
}

.admin-controls button:hover, .admin-section button:hover {
    background: #005a87;
    transform: translateY(-2px);
}

/* Custom Alert Popup - FIX ZENTRIERT */
.advent-alert {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex !important;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.advent-alert.active {
    opacity: 1;
    visibility: visible;
}

.advent-alert-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 5px solid #ff4444;
    animation: alertPop 0.3s ease-out;
    position: relative;
    margin: 20px;
}

.advent-alert.success .advent-alert-content {
    border-color: #46b450;
}

@keyframes alertPop {
    0% { 
        transform: scale(0.8) translateY(-20px);
        opacity: 0; 
    }
    100% { 
        transform: scale(1) translateY(0);
        opacity: 1; 
    }
}

.advent-alert h3 {
    color: #8B0000;
    margin-bottom: 15px;
    font-size: 24px;
}

.advent-alert.success h3 {
    color: #46b450;
}

.advent-alert p {
    color: #333;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.5;
}

.advent-alert-close {
    background: #0073aa;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.advent-alert-close:hover {
    background: #005a87;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .advent-calendar {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
        padding: 15px;
    }
    
    .advent-door {
        font-size: 18px;
    }
    
    .advent-door.opened:after {
        font-size: 30px;
    }
    
    .advent-alert-content {
        margin: 15px;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .advent-calendar {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .admin-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .admin-controls input {
        width: auto;
    }
    
    .advent-alert-content {
        margin: 10px;
        padding: 15px;
    }
    
    .advent-alert h3 {
        font-size: 20px;
    }
    
    .advent-alert p {
        font-size: 14px;
    }
}