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

:root {
    --primary-color: #00a4dc;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --error-color: #dc3545;
    --background-color: #0d1117;
    --card-background: #161b22;
    --text-color: #c9d1d9;
    --border-color: #30363d;
    --input-background: #0d1117;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.header h1 {
    color: var(--primary-color);
    font-size: 2rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section {
    margin-bottom: 2rem;
}

.card {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.card h2, .card h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--input-background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 1rem;
}

.form-group input[type="file"] {
    padding: 0.5rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    font-weight: 500;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #0090c0;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    margin-right: 0.5rem;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.upload-instructions {
    background-color: var(--input-background);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.upload-instructions p {
    margin-bottom: 0.5rem;
}

.file-info {
    background-color: var(--input-background);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.file-info p {
    margin-bottom: 0.5rem;
}

.progress-container {
    margin-top: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background-color: var(--input-background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #00c4ff);
    width: 0%;
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
}

.progress-text {
    text-align: center;
    margin-top: 0.5rem;
    font-weight: 500;
}

.error-message {
    color: var(--error-color);
    background-color: rgba(220, 53, 69, 0.1);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    border-left: 4px solid var(--error-color);
    display: none;
    white-space: pre-line;
}

.error-message.show {
    display: block;
}

.success-message {
    color: var(--success-color);
    background-color: rgba(40, 167, 69, 0.1);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    border-left: 4px solid var(--success-color);
    display: none;
}

.success-message.show {
    display: block;
}

.info-message {
    color: var(--primary-color);
    background-color: rgba(0, 164, 220, 0.1);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    border-left: 4px solid var(--primary-color);
    display: none;
}

.info-message.show {
    display: block;
}

.status-info {
    background-color: var(--input-background);
    padding: 1rem;
    border-radius: 4px;
}

.status-info p {
    margin-bottom: 0.5rem;
}

#searchResults {
    margin-top: 1rem;
}

.search-result-item {
    background-color: var(--input-background);
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--primary-color);
}

.search-result-item h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.search-result-item p {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .card {
        padding: 1.5rem;
    }
}