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

:root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border: #30363d;
    --text: #c9d1d9;
    --text-secondary: #8b949e;
    --accent: #58a6ff;
    --success: #3fb950;
    --error: #f85149;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--accent), #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: var(--text-secondary);
    margin-top: 8px;
}

header code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 12px;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-secondary);
}

.drop-zone:hover,
.drop-zone.drag-over {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: scale(1.01);
}

.drop-zone svg {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.drop-zone h3 {
    margin-bottom: 8px;
}

.drop-zone p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-status.success {
    background: rgba(63, 185, 80, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.upload-status.error {
    background: rgba(248, 81, 73, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

.upload-status.loading {
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent);
    border: 1px solid var(--accent);
}

.hidden {
    display: none !important;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.stat-card .value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent);
}

.stat-card .label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 5px;
}

.controls {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

#searchBox {
    flex: 1;
    min-width: 250px;
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

#searchBox:focus {
    outline: none;
    border-color: var(--accent);
}

#filterType {
    padding: 10px 15px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    cursor: pointer;
}

.btn-download,
.btn-reset {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    font-size: 0.95rem;
}

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

.btn-download:hover {
    background: #4a8fdb;
    transform: translateY(-1px);
}

.btn-reset {
    background: var(--bg-tertiary);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-reset:hover {
    background: var(--bg-secondary);
}

.content {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
    height: calc(100vh - 450px);
    min-height: 500px;
}

.sidebar {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 15px;
    overflow-y: auto;
}

.sidebar-loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

.sidebar-item {
    padding: 10px 12px;
    margin-bottom: 4px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    word-break: break-word;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-item:hover {
    background: var(--bg-tertiary);
    transform: translateX(3px);
}

.sidebar-item.active {
    background: var(--accent);
    color: white;
}

.type-badge {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    margin-left: auto;
}

.sidebar-item.active .type-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.main-view {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 25px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 60px 20px;
}

.class-header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.class-header h2 {
    font-size: 1.6rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.type-label {
    font-size: 0.7em;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: normal;
}

.obf-name {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
}

.copy-btn {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.copy-btn:hover {
    background: var(--bg);
    border-color: var(--accent);
}

.copy-btn.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.section {
    margin-bottom: 30px;
}

.section h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.count-badge {
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
    color: var(--text-secondary);
}

.item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    transition: all 0.2s;
    position: relative;
}

.item:hover {
    border-color: var(--accent);
    transform: translateX(3px);
}

.item-type {
    color: #ff7b72;
}

.item-name {
    color: #79c0ff;
    font-weight: 500;
}

.item-obf {
    color: var(--text-secondary);
}

.item-params {
    color: #a5d6ff;
}

.line-number {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-right: 8px;
}

footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

@media (max-width: 768px) {
    .content {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .sidebar {
        max-height: 300px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    .controls {
        flex-direction: column;
    }
    
    #searchBox {
        width: 100%;
    }
}