#ipc-app { max-width: 800px; margin: 20px auto; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
#ipc-drop { border: 2px dashed #a0aec0; padding: 40px; text-align: center; cursor: pointer; border-radius: 10px; transition: background-color 0.2s, border-color 0.2s; }
#ipc-drop.dragover { border-color: #3b82f6; background-color: #eff6ff; }
#ipc-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 15px; gap: 15px; }
.ipc-button { padding: 10px 15px; color: #fff; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; display: inline-flex; align-items: center; gap: 8px; transition: background-color 0.2s; }
.ipc-button:disabled { background-color: #9ca3af; cursor: not-allowed; }
#ipc-compress-btn { background-color: #2563eb; }
#ipc-compress-btn:hover:not(:disabled) { background-color: #1d4ed8; }
#ipc-clear-btn { background-color: #dc2626; }
#ipc-clear-btn:hover:not(:disabled) { background-color: #b91c1c; }
.ipc-file-item { display: flex; align-items: center; padding: 10px 8px; border-bottom: 1px solid #e5e7eb; gap: 10px; flex-wrap: wrap; }
.ipc-file-item i { color: #dc2626; font-size: 1.2em; }
.ipc-file-info { flex-grow: 1; }
.ipc-status { margin-left: auto; font-weight: 500; text-align: right; }
.ipc-status .success { color: #16a34a; }
.ipc-status .error { color: #dc2626; font-size: 0.9em; }
.ipc-status a.download-link { margin-left: 10px; color: #2563eb; text-decoration: none; font-weight: bold; }