:root {
    /* Modern Device Colors */
    --device-color: #f0f0f3;
    --device-shadow: rgba(0, 0, 0, 0.15);
    --device-highlight: rgba(255, 255, 255, 0.7);
    --device-border: rgba(0, 0, 0, 0.08);

    /* Screen Colors */
    --screen-bg-start: #2c84fb;
    --screen-bg-end: #156cef;
    --app-bg: #f5f5f7;
    --app-header: #ffffff;
    --app-text: #1d1d1f;
    --app-text-secondary: #86868b;

    /* File Transfer Colors */
    --transfer-path: rgba(255, 255, 255, 0.3);
    --data-packet-color: rgba(255, 255, 255, 0.9);
    --data-packet-glow: rgba(255, 255, 255, 0.6);
    --progress-track: rgba(0, 0, 0, 0.08);
    --progress-fill: #30d158;

    /* File Icons */
    --file-bg: #ffffff;
    --file-shadow: rgba(0, 0, 0, 0.08);
    --file-icon-color: #156cef;
    --file-text: #1d1d1f;

    /* Buttons */
    --button-bg: #156cef;
    --button-text: #ffffff;

    /* Clouds */
    --cloud-color: rgba(255, 255, 255, 0.8);

    /* Animation Timing */
    --float-duration: 6s;
    --packet-duration: 1.5s;
    --progress-duration: 6s;
}