:root {
    --bg-dark: #121212;
    --bg-panel: #1e1e1e;
    --accent: #0078d4;
    --text: #e0e0e0;
    --text-dim: #a0a0a0;
    --danger: #d13438;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    height: 100%;
}

.sidebar {
    width: 300px;
    background-color: var(--bg-panel);
    border-right: 1px solid #333;
    display: flex;
    flex-direction: column;
}

.logo {
    padding: 20px;
    font-size: 1.5rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
}

.user-section {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-bottom: 1px solid #333;
}

input {
    background: #2d2d2d;
    border: 1px solid #444;
    padding: 10px;
    color: white;
    border-radius: 4px;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-danger {
    background: var(--danger);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
}

nav {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

nav ul {
    list-style: none;
}

nav ul li {
    padding: 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.2s;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 10px;
}

nav ul li:hover {
    background: #333;
    color: white;
}

.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.config-viewer {
    flex: 1;
    background: #0e0e0e;
    border-radius: 8px;
    padding: 20px;
    overflow: auto;
    border: 1px solid #333;
}

pre {
    color: #9cdcfe;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
}