/* Sichtbare Menüeinträge im ausgeklappten mobilen Menü */
.navbar-collapse.show .navbar-nav .nav-link,
.navbar-collapse.show .dropdown-menu .dropdown-item {
    color: #1e3a8a !important;
}
/* Hintergrund für ausgeklapptes mobiles Menü */
/* Hintergrund für ausgeklapptes mobiles Menü */
.navbar-collapse.show {
    background: #fff;
    box-shadow: 0 8px 32px rgba(30,58,138,0.18);
    border-radius: 0 0 16px 16px;
    padding: 0.5rem 0.5rem;
    z-index: 1200;
}

@media (max-width: 992px) {
    .navbar-collapse.show {
        background: #fff;
        box-shadow: 0 8px 32px rgba(30,58,138,0.22);
        border-radius: 0 0 16px 16px;
        padding: 0.5rem 0.5rem;
    }
    .navbar-nav .nav-link {
        color: #1e3a8a !important;
    }
}
.responsive-navbar {
    min-height: 100px !important;
    height: auto !important;
    padding: 0 0.5rem !important;
    box-shadow: 0 2px 8px rgba(30,58,138,0.18);
    border-bottom: 2px solid #1e3a8a;
}
.responsive-navbar .navbar-brand .brand-text {
    font-size: 1.6rem;
    font-weight: bold;
    letter-spacing: 1px;
    padding: 0.5rem 0.2rem;
}
.responsive-navbar .navbar-toggler {
    padding: 0.6rem 0.8rem;
    font-size: 1.5rem;
    border-radius: 8px;
}
.responsive-nav .nav-link {
    font-size: 1.15rem;
    padding: 16px 18px !important;
    min-width: 48px;
    min-height: 48px;
    display: flex;
    align-items: center;
}
.responsive-nav .dropdown-menu {
    font-size: 1.05rem;
    min-width: 180px;
}
@media (max-width: 768px) {
    .responsive-navbar {
        min-height: 100px !important;
        padding: 0 0.2rem !important;
        box-shadow: 0 2px 8px rgba(30,58,138,0.22);
    }
    .responsive-navbar .navbar-brand .brand-text {
        font-size: 1.25rem;
        padding: 0.3rem 0.1rem;
    }
    .responsive-navbar .navbar-toggler {
        font-size: 1.3rem;
        padding: 0.5rem 0.7rem;
    }
    .responsive-nav .nav-link {
        font-size: 1rem;
        padding: 12px 10px !important;
        min-width: 44px;
        min-height: 44px;
    }
    .responsive-nav .dropdown-menu {
        font-size: 0.95rem;
        min-width: 150px;
    }
}
/* Heatmap and Legend Custom Styles */
.heatmap-row .heatmap-box {
    min-width: 80px;
    min-height: 100px;
    font-size: 1.1em;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 8px rgba(30,58,138,0.07);
}

.heatmap-legend .legend-box {
    min-width: 90px;
    padding: 7px 10px;
    border-radius: 6px;
    font-size: 1em;
    font-weight: bold;
    text-align: center;
    margin-bottom: 6px;
}

.bg-pink {
    background: #e91e63 !important;
}
.border-pink {
    border-color: #e91e63 !important;
}
/* Responsive Navbar/Menu Improvements */
.responsive-navbar {
    min-height: 100px;
}

.responsive-navbar .navbar-brand .brand-text {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.responsive-nav .nav-link {
    font-size: 1.1rem;
    padding: 14px 16px !important;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
}

.responsive-nav .dropdown-menu {
    font-size: 1rem;
    min-width: 180px;
}

@media (max-width: 768px) {
    .responsive-navbar {
        padding: 6px 6px !important;
        min-height: 56px !important;
        height: auto !important;
    }
    .responsive-navbar .navbar-brand .brand-text {
        font-size: 1.2rem;
    }
    .responsive-nav .nav-link {
        font-size: 1rem;
        padding: 12px 10px !important;
        min-width: 44px;
        min-height: 44px;
    }
    .responsive-nav .dropdown-menu {
        font-size: 0.95rem;
        min-width: 150px;
    }
}
:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-blue: #60a5fa;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
}

body {
    background-color: #ffffff;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #374151;
    position: relative;
}

/* Hintergrundbild-Overlay für reduzierte Sichtbarkeit */
body::before {
    content: '';
    position: fixed;
    top: 100px; /* Beginnt unter der Navbar */
    left: 2rem;
    right: 2rem;
    bottom: 2rem;
    background-image: url('../images/[S]_schwarz.png');
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center center;
    opacity: 0.22;
    z-index: -1;
    pointer-events: none;
}

@media (max-width: 768px) {
    body::before {
        top: 100px; /* Immer unter der Navbar */
        left: 0.5rem;
        right: 0.5rem;
        bottom: 0.5rem;
        background-size: contain;
    }
}

.navbar {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(30, 58, 138, 0.3);
    position: relative;
    z-index: 1000;
    padding: 10px 15px !important;
    min-height: 100px !important;
    height: 100px !important;
}

.navbar-brand {
    font-weight: bold;
    color: #ffffff !important;
    font-size: 1.3rem;
    margin-bottom: 0 !important;
    line-height: 1 !important;
}

.navbar-nav .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 10px 10px !important;
    line-height: 1 !important;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-blue) !important;
}

.container-fluid {
    padding: 20px;
    position: relative;
    z-index: 1;
}

.card {
    background: #ffffff;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.1);
    color: #374151;
    position: relative;
    z-index: 2;
}

.card-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 15px 15px 0 0 !important;
    border-bottom: none;
    padding: 20px;
}

.card-header h4,
.card-header h5 {
    color: #ffffff;
    margin: 0;
    font-weight: 600;
}

.card-body {
    padding: 25px;
    background: #ffffff;
}

.form-control {
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    color: #374151;
    padding: 12px 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    background: #ffffff;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
    color: #374151;
}

.form-control::placeholder {
    color: #9ca3af;
}

.form-label {
    color: #374151;
    font-weight: 500;
    margin-bottom: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border: none;
    border-radius: 10px;
    padding: 12px 30px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-blue) 100%);
}

.btn-outline-success {
    border: 2px solid var(--success-color);
    color: var(--success-color);
    border-radius: 10px;
    padding: 10px 25px;
    font-weight: 500;
}

.btn-outline-success:hover {
    background: var(--success-color);
    color: #ffffff;
    border-color: var(--success-color);
}

.btn-outline-secondary {
    border: 2px solid #6b7280;
    color: #6b7280;
    border-radius: 0 10px 10px 0;
}

.btn-outline-secondary:hover {
    background: #6b7280;
    border-color: #6b7280;
    color: #ffffff;
}

.btn-outline-primary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    border-radius: 10px;
    padding: 10px 25px;
    font-weight: 500;
}

.btn-outline-primary:hover {
    background: var(--primary-blue);
    color: #ffffff;
    border-color: var(--primary-blue);
}

.btn-outline-danger {
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    border-radius: 10px;
    padding: 10px 25px;
    font-weight: 500;
}

.btn-outline-danger:hover {
    background: var(--danger-color);
    color: #ffffff;
    border-color: var(--danger-color);
}

.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
    position: relative;
    z-index: 3;
}

.alert-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: #ffffff;
}

.alert-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: #ffffff;
}

.alert-info {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-blue) 100%);
    color: #ffffff;
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: #ffffff;
}

.input-group {
    border-radius: 10px;
    overflow: hidden;
}

.input-group .form-control {
    border-radius: 10px 0 0 10px;
    border-right: none;
}

.input-group .btn {
    border-radius: 0 10px 10px 0;
}

hr {
    border-color: #e5e7eb;
    margin: 25px 0;
}

/* Time Slot Styles */
.time-slot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 8px;
    margin-top: 10px;
}

.time-slot {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    color: #374151;
}

.time-slot:hover {
    background: #f3f4f6;
    border-color: var(--secondary-blue);
}

.time-slot.selected {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-color: var(--secondary-blue);
    color: #ffffff;
}

/* Game Option Styles */
.game-option {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    margin-bottom: 10px;
    transition: all 0.2s ease;
    font-weight: 500;
    color: #374151;
}

.game-option:hover {
    background: #f3f4f6;
    border-color: var(--success-color);
}

.game-option.selected {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border-color: var(--success-color);
    color: #ffffff;
}

.time-selection h6 {
    color: #374151;
    font-weight: 600;
    margin-bottom: 10px;
}

/* Badge Styles */
.badge {
    border-radius: 20px;
    padding: 5px 12px;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%) !important;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: #000000;
    padding: 20px 0;
    margin-top: 50px;
    position: relative;
    z-index: 1000;
}

/* Dropdown Styles */
.dropdown-menu {
    background: #ffffff;
    border: none;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.1);
}

.dropdown-item {
    color: #374151;
    padding: 10px 20px;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background: #f3f4f6;
    color: var(--primary-blue);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .container-fluid {
        padding: 10px;
    }
    
    .card {
        margin-bottom: 20px;
    }
    
    .time-slot-grid {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: 6px;
    }
    
    body::before {
        top: calc(60px + 0.5rem);
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        background-size: contain;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--secondary-blue);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Form Validation Styles */
.is-invalid {
    border-color: var(--danger-color) !important;
}

.is-valid {
    border-color: var(--success-color) !important;
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.valid-feedback {
    color: var(--success-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}