body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.navbar-brand {
    font-weight: 600;
}

.card {
    transition: all 0.2s ease-in-out;
}

.card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.table th {
    cursor: pointer;
    user-select: none;
}

.table th:hover {
    background-color: #f8f9fa;
}

.modal.show {
    background-color: rgba(0,0,0,0.5);
}

.list-group-item {
    transition: all 0.2s ease-in-out;
}

.list-group-item:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

#timer-indicator {
    background-color: rgba(255, 193, 7, 0.1);
    border-radius: 5px;
    padding: 5px 10px;
}

#timer-indicator .navbar-text {
    color: #fff !important;
}

#active-timer-display {
    font-family: 'Courier New', monospace;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 3px;
}

.history-description {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

.change-arrow {
    color: #6c757d;
    font-weight: bold;
    margin: 0 4px;
}