* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}

header h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.upload-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.messages {
    margin-bottom: 20px;
}

.alert {
    background-color: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.file-input {
    margin-bottom: 20px;
}

.file-input label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.file-input input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.submit {
    text-align: center;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.instructions {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.instructions h2 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.instructions ol {
    padding-left: 20px;
}

.instructions li {
    margin-bottom: 10px;
}

/* Results Page Styles */
.results-section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 30px;
}

.image-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.image-box {
    flex: 1;
    min-width: 300px;
}

.image-box h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.image-box img {
    width: 100%;
    border-radius: 4px;
    border: 1px solid #ddd;
}

.detections-info {
    margin-top: 30px;
}

.detections-info h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #f2f2f2;
    font-weight: bold;
}

table tr:hover {
    background-color: #f9f9f9;
}

.actions {
    text-align: center;
    margin: 20px 0;
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px 0;
    color: #777;
    border-top: 1px solid #ddd;
}