.fullscreen-mode {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    z-index: 9999;
    padding: 0;
    margin: 0;
    overflow: hidden;
}
.fullscreen-mode .status-box {
    width: 100%;
    height: 100%;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: none;
}
.fullscreen-mode .time-display {
    font-size: 25vw;
    line-height: 0.9;
    color: #2c3e50;
}
.fullscreen-mode .status-label {
    font-size: 6vw;
    margin-top: 4vw;
    color: #57606f;
}
.fullscreen-mode .control-bar,
.fullscreen-mode .settings-panel,
.fullscreen-mode .schedule-table {
    display: none !important;
}