/* Kassabuch - Modernes, luftiges Design */

/* Farbpalette - Hell und Modern */
:root {
    --white: #ffffff;
    --bg-main: #f8f9fa;
    --bg-card: #ffffff;
    --gray-50: #fafbfc;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #868e96;
    --gray-700: #495057;
    --text-primary: #212529;
    --text-secondary: #495057;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1.6;
}

/* Navbar - Weiß mit gutem Kontrast */
.navbar {
    background: var(--white) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    padding: 1rem 0;
    border-bottom: 2px solid var(--gray-200);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-brand:hover {
    color: var(--text-secondary) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.2s ease;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background-color: var(--gray-100);
}

.nav-link.active {
    color: var(--text-primary) !important;
    background-color: var(--gray-200);
    font-weight: 600;
}

/* Dropdown */
.dropdown-menu {
    background: var(--white);
    border: 1px solid var(--gray-300);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 0.5rem;
}

.dropdown-item {
    padding: 0.6rem 1rem;
    transition: all 0.2s;
    border-radius: 6px;
    color: var(--text-primary);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--gray-100);
}

/* Buttons */
.btn-primary {
    background: var(--gray-700);
    border: none;
    color: var(--white);
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: var(--gray-600);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-outline-primary {
    border: 2px solid var(--gray-400);
    color: var(--text-primary);
    background: transparent;
    font-weight: 600;
}

.btn-outline-primary:hover {
    background: var(--gray-700);
    border-color: var(--gray-700);
    color: var(--white);
}

.btn-light {
    background: var(--white);
    border: 2px solid var(--gray-300);
    color: var(--text-primary);
    font-weight: 600;
}

.btn-light:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-outline-light {
    border: 2px solid var(--gray-300);
    color: var(--text-primary);
    background: transparent;
    font-weight: 600;
}

.btn-outline-light:hover {
    background: var(--gray-100);
}

/* Cards - Wie rettungssport.at */
.card {
    background: var(--bg-card);
    border: none;
    border-radius: 0.375rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-300);
    padding: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header.bg-primary {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 2px solid #dee2e6;
    color: var(--text-primary);
}

.card-header h5 {
    margin: 0;
    color: var(--text-primary);
}

.card-body {
    padding: 1rem;
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--white);
    border-top: 1px solid var(--gray-300);
    padding: 1rem;
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
}

.card-text {
    color: var(--text-secondary);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--gray-200) 0%, var(--gray-100) 100%);
    border: 1px solid var(--gray-300);
    border-radius: 20px;
    color: var(--text-primary);
    padding: 3rem;
    margin-bottom: 2rem;
}

.hero-section h1 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.hero-section .lead {
    font-weight: 400;
    color: var(--text-secondary);
}

/* Main Content */
.main-content {
    padding-top: 100px;
    padding-bottom: 2rem;
    min-height: calc(100vh - 200px);
}

/* Footer */
.footer {
    background: var(--gray-100);
    color: var(--text-secondary);
    padding: 2rem 0;
    border-top: 2px solid var(--gray-200);
    font-weight: 500;
}

/* Forms */
.form-control,
.form-select {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--gray-600);
    box-shadow: 0 0 0 3px rgba(134,142,150,0.1);
    background: var(--white);
}

.form-control::placeholder {
    color: var(--gray-500);
}

.form-label {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* List Groups */
.list-group-item {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
    border-radius: 8px !important;
    color: var(--text-primary);
    font-weight: 500;
}

.list-group-item:hover {
    border-left-color: var(--gray-700);
    background: var(--gray-50);
    transform: translateX(3px);
}

.list-group-item.active {
    background: var(--gray-700);
    border-color: var(--gray-700);
    color: var(--white);
    font-weight: 600;
}

/* Alerts */
.alert {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    background: var(--white);
    color: var(--text-primary);
    font-weight: 500;
}

.alert-primary {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--text-primary);
}

/* Tables */
.table {
    border-radius: 8px;
    overflow: hidden;
    color: var(--text-primary);
}

.table thead th {
    background: var(--gray-100);
    border: none;
    font-weight: 700;
    color: var(--text-primary);
    padding: 1rem;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: all 0.2s;
    border-bottom: 1px solid var(--gray-200);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table tbody td {
    color: var(--text-primary);
    font-weight: 500;
    padding: 1rem;
}

/* Badges */
.badge {
    padding: 0.4rem 0.8rem;
    font-weight: 600;
    border-radius: 6px;
}

.badge.bg-primary {
    background: var(--gray-700) !important;
    color: var(--white);
}

.badge.bg-warning {
    background: #ffc107 !important;
    color: var(--gray-900);
}

/* News Items */
.news-item {
    border-left: 3px solid var(--gray-500);
    background: var(--white);
    transition: all 0.2s ease;
    border-radius: 8px;
    border: 1px solid var(--gray-300);
    padding: 1rem;
    margin-bottom: 1rem;
}

.news-item:hover {
    background: var(--gray-50);
    border-left-color: var(--gray-700);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.news-item h6 {
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.news-item p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* Module Cards Icons */
.card-body .fa-3x {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

/* Small Text */
small,
.small,
.text-muted {
    color: var(--text-secondary) !important;
}

/* User Avatar */
.user-avatar {
    width: 80px;
    height: 80px;
    background: var(--gray-700);
    color: var(--white);
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 1rem;
    border: 3px solid var(--gray-300);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--gray-300);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    border: none;
    background: transparent;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
}

.nav-tabs .nav-link:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.nav-tabs .nav-link.active {
    background: var(--gray-700);
    color: var(--white);
    border-radius: 8px 8px 0 0;
}

/* Error Pages */
.error-number {
    font-size: 120px;
    font-weight: 800;
    color: var(--gray-700);
}

.link-item {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-left: 3px solid var(--gray-600);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem;
    margin-bottom: 0.5rem;
}

.link-item:hover {
    background: var(--gray-50);
    border-left-color: var(--gray-700);
}

/* Override Bootstrap */
.bg-primary {
    background-color: var(--gray-700) !important;
    color: var(--white) !important;
}

.text-primary {
    color: var(--text-primary) !important;
}

.border-primary {
    border-color: var(--gray-600) !important;
}

/* Shadows */
.shadow-sm {
    box-shadow: 0 1px 3px rgba(0,0,0,0.08) !important;
}

.shadow {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1) !important;
}

.shadow-lg {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-200);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-500);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Responsive */
@media (max-width: 991px) {
    .hero-section {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding-top: 80px;
    }
    
    .hero-section h1 {
        font-size: 1.75rem;
    }
}