:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --background-color: #f8f9fa;
    --text-color: #212529;
    --border-color: #dee2e6;
}

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

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
}

.calculator-container {
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-control[readonly] {
    background-color: #fff;
    cursor: default;
}

.table {
    margin-bottom: 0;
}

.table th {
    background-color: var(--background-color);
    border-bottom: 2px solid var(--primary-color);
}

.table td {
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .calculator-container {
        padding: 0 15px;
    }
    
    .table-responsive {
        margin: 0 -15px;
    }
}

/* Animation für Werteänderungen */
.highlight {
    animation: highlight 1s ease-out;
}

@keyframes highlight {
    0% {
        background-color: rgba(52, 152, 219, 0.2);
    }
    100% {
        background-color: transparent;
    }
}

/* Input-Bereiche */
#inputSection {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

#resultSection {
    background-color: var(--background-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

/* Tabellen-Styling */
.table-responsive {
    border-radius: 0.5rem;
    overflow: hidden;
}

.marathon-row {
    background-color: rgba(40, 167, 69, 0.1);
}

.half-marathon-row {
    background-color: rgba(0, 123, 255, 0.1);
}

/* PWA Styles */
@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* Animationen */
.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 200ms ease-in;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity 200ms ease-in;
}