* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

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

header {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    text-align: center;
}

header h1 {
    color: #667eea;
    font-size: 2.5em;
}

main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

section {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

h2 {
    color: #333;
    margin-bottom: 25px;
    font-size: 1.8em;
    border-bottom: 3px solid #667eea;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
    font-size: 1.1em;
}

input[type="text"],
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: #667eea;
}

input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    cursor: pointer;
}

.image-preview {
    margin-top: 15px;
    min-height: 200px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
}

.image-preview.empty {
    color: #999;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-submit:active {
    transform: translateY(0);
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.empty-message {
    text-align: center;
    color: #999;
    padding: 40px;
    font-style: italic;
}

.question-item {
    border: 2px solid #eee;
    border-radius: 10px;
    padding: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.question-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.question-item h3 {
    color: #667eea;
    margin-bottom: 10px;
}

.question-item img {
    max-width: 100%;
    max-height: 150px;
    border-radius: 8px;
    margin: 10px 0;
}

.question-item .info {
    color: #666;
    font-size: 0.9em;
}

.question-item .actions {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.btn-delete {
    padding: 8px 15px;
    background: #e74c3c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9em;
}

.btn-delete:hover {
    background: #c0392b;
}

@media (max-width: 768px) {
    main {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 1.8em;
    }
}