* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.subtitle {
    color: #666;
    margin-top: -10px;
    margin-bottom: 10px;
}

.history-link {
    display: inline-block;
    margin-bottom: 20px;
    padding: 8px 15px;
    background-color: #333;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.history-link:hover {
    background-color: #555;
}

.swipe-container {
    position: relative;
    height: 400px;
    margin-bottom: 20px;
    perspective: 1000px;
}

.image-card {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-out;
    transform-origin: center center;
    background-color: white;
    touch-action: none; /* Prevents default touch actions like scrolling */
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #999;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s;
}

.image-card.loading .loading-indicator {
    opacity: 1;
}

.image-card.swiping {
    transition: none; /* Remove transition during active swiping */
}

.image-card.swipe-left {
    transform: translateX(-150%) rotate(-20deg);
    opacity: 0;
}

.image-card.swipe-right {
    transform: translateX(150%) rotate(20deg);
    opacity: 0;
}

.image-card.swipe-up {
    transform: translateY(-150%) rotate(5deg);
    opacity: 0;
}

.image-card.swipe-down {
    transform: translateY(150%) rotate(-5deg);
    opacity: 0;
}

.action-hint {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 8px 15px;
    border-radius: 20px;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.3s;
}

.left-hint {
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #ff4757;
}

.right-hint {
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #2ed573;
}

.up-hint {
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    color: #1e90ff;
}

.down-hint {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    color: #ffa502;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
}

#btn-left {
    background-color: #ff4757;
    color: white;
}

#btn-right {
    background-color: #2ed573;
    color: white;
}

#btn-up {
    background-color: #1e90ff;
    color: white;
}

#btn-down {
    background-color: #ffa502;
    color: white;
}

.action-btn:hover {
    transform: scale(1.05);
}

.action-btn:active {
    transform: scale(0.95);
}

.status-area {
    text-align: center;
    padding: 15px;
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#last-action {
    font-weight: bold;
    margin-top: 5px;
    margin-bottom: 15px;
}

.swipe-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

.legend-color {
    display: inline-block;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-right: 5px;
}

.left-color {
    background-color: #ff4757;
}

.right-color {
    background-color: #2ed573;
}

.up-color {
    background-color: #1e90ff;
}

.down-color {
    background-color: #ffa502;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    overflow: auto;
}

.modal-content {
    position: relative;
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 90%;
    height: 90%;
    max-width: 1200px;
    padding: 20px;
}

#fullscreen-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border: 2px solid white;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 20px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.close-modal:hover,
.close-modal:focus {
    color: #bbb;
    text-decoration: none;
}

.modal-info {
    margin-top: 15px;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 5px;
    text-align: center;
}

/* Make the card clickable */
.image-card {
    cursor: pointer;
}

.image-card::after {
    content: '🔍';
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.7);
    color: #333;
    padding: 5px 10px;
    border-radius: 50%;
    font-size: 16px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.image-card:hover::after {
    opacity: 1;
}