/* Upload Page Specific Styles */
.subtitle-section {
    text-align: center;
    margin-bottom: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.main-subtitle {
    font-size: 1.8em;
    color: white;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.4;
}

.supporting-text {
    font-size: 1.3em;
    color: white;
    font-weight: 500;
    opacity: 0.9;
}

.radar-demo {
    text-align: center;
    margin-bottom: 60px;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.upload-section {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    padding: 40px;
    margin-bottom: 40px;
}

.role-input {
    margin-bottom: 30px;
}

.role-input label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #495057;
}

.role-input input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.role-input input:focus {
    outline: none;
    border-color: #667eea;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 60px 20px;
    text-align: center;
    background-color: #fafafa;
    transition: border-color 0.2s, background-color 0.2s;
    margin-bottom: 30px;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #667eea;
    background-color: #f0f4ff;
}

.upload-icon {
    font-size: 3em;
    color: #ccc;
    margin-bottom: 20px;
}

.upload-text {
    color: #6c757d;
    font-size: 1.1em;
}

.upload-info {
    background-color: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
}

.upload-info h3 {
    color: #0056b3;
    margin-bottom: 15px;
}

.upload-info ul {
    list-style: none;
    padding-left: 0;
}

.upload-info li {
    padding: 5px 0;
    position: relative;
    padding-left: 25px;
}

.upload-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.info-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.info-card h3 {
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
}

.info-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.preview-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.preview-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.preview-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.delete-btn:hover {
    background: #fff;
}

@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .subtitle-section {
        padding: 30px 20px;
    }

    .main-subtitle {
        font-size: 1.5em;
    }

    .supporting-text {
        font-size: 1.1em;
    }
}