/* GUI App display — canvas-based window rendering */
.app-gui-display {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #0a0a0a;
}

.gui-canvas-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.gui-canvas {
    max-width: 100%;
    max-height: 100%;
    cursor: default;
    outline: none;
    image-rendering: auto;
}

/* Status overlays */
.gui-status {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-stage);
}

.gui-status-icon {
    font-size: 32px;
    opacity: 0.5;
}

.gui-status-text {
    text-align: center;
    line-height: 1.6;
}

.gui-status.connecting .gui-status-icon::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: gui-spin 0.8s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

@keyframes gui-spin {
    to { transform: rotate(360deg); }
}

.gui-status.exited {
    color: var(--status-red);
}

.gui-status.exited .gui-status-icon {
    opacity: 0.7;
}

.gui-status.exited .gui-status-text,
.gui-status.error .gui-status-text {
    max-width: 600px;
    font-size: 12px;
    line-height: 1.5;
    text-align: left;
    background: rgba(0,0,0,0.3);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-structural);
    word-break: break-word;
    white-space: pre-wrap;
}