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

body {
    font-family: sans-serif;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    background: #fff;
    color: #333;
}

header {
    background: #667eea;
    color: white;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    margin-bottom: 10px;
}

section {
    margin-bottom: 20px;
    padding: 15px;
    background: #f5f5f5;
    color: #333;
}

h2 {
    margin-bottom: 15px;
    color: #333;
}

.config-group {
    margin-bottom: 10px;
}

.config-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

.config-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    background: #fff;
    color: #333;
}

.config-group small {
    display: block;
    margin-top: 5px;
    font-size: 0.9em;
    color: #666;
}

.input-tabs {
    display: flex;
    margin-bottom: 10px;
}

.tab-button {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    background: #eee;
    color: #333;
    cursor: pointer;
}

.tab-button.active {
    background: #667eea;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.file-upload-area {
    border: 2px dashed #667eea;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    background: #fff;
    color: #333;
}

.file-upload-area input[type="file"] {
    display: none;
}

.file-list {
    margin-top: 10px;
}

.file-item {
    padding: 10px;
    margin-bottom: 5px;
    background: white;
    color: #333;
    border-left: 3px solid #667eea;
    display: flex;
    justify-content: space-between;
}

.remove-file {
    background: #dc3545;
    color: white;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
}

#text-input {
    width: 100%;
    min-height: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    font-family: monospace;
    background: #fff;
    color: #333;
}

.analyze-button {
    width: 100%;
    padding: 12px;
    background: #667eea;
    color: white;
    border: none;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 15px;
}

.status-box {
    padding: 10px;
    margin-bottom: 15px;
    display: none;
}

.status-box.info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 3px solid #0c5460;
}

.status-box.success {
    background: #d4edda;
    color: #155724;
    border-left: 3px solid #155724;
}

.status-box.warning {
    background: #fff3cd;
    color: #856404;
    border-left: 3px solid #856404;
}

.flag-alerts {
    margin-bottom: 15px;
}

.flag-alert {
    background: #ff6b6b;
    color: white;
    padding: 10px;
    margin-bottom: 5px;
    font-weight: bold;
}

.results-container {
    display: grid;
    gap: 15px;
}

.result-card {
    background: white;
    color: #333;
    padding: 15px;
    border: 1px solid #ddd;
}

.result-card h3 {
    margin-bottom: 10px;
    color: #333;
}

.confidence {
    display: inline-block;
    padding: 3px 8px;
    font-size: 0.8em;
    margin-left: 10px;
}

.confidence.high {
    background: #28a745;
    color: white;
}

.confidence.medium {
    background: #ffc107;
    color: #333;
}

.confidence.low {
    background: #dc3545;
    color: white;
}

.result-content {
    margin-top: 10px;
}

.result-content pre {
    background: #f5f5f5;
    color: #333;
    padding: 10px;
    overflow-x: auto;
    border-left: 3px solid #667eea;
}

.decrypted-text {
    font-family: monospace;
    word-break: break-all;
    color: #333;
}

.result-meta {
    margin-top: 10px;
    font-size: 0.9em;
    color: #666;
}

.result-meta span {
    margin-right: 15px;
}

footer {
    margin-top: 30px;
    padding: 15px;
    text-align: center;
    border-top: 1px solid #ddd;
    color: #666;
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ccc;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}