/* AI経路検索システム - カスタムCSS */

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #8b5cf6;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.upload-area:hover {
    background: linear-gradient(135deg, #f3e8ff 0%, #e0e7ff 100%);
}

.pulse-border {
    animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
    0%, 100% { border-color: #a855f7; }
    50% { border-color: #3b82f6; }
}

/* スマートフォン最適化 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .upload-area {
        min-height: 150px;
    }
    
    canvas {
        max-width: 100% !important;
        height: auto !important;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    #loadingOverlay .bg-white {
        max-width: 90vw;
        margin: 0 1rem;
    }
}

/* タッチデバイス最適化 */
@media (hover: none) and (pointer: coarse) {
    button {
        min-height: 44px; /* タッチしやすい最小サイズ */
    }
    
    canvas {
        cursor: crosshair;
        touch-action: pinch-zoom;
    }
}