:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-primary: #58a6ff;
    --accent-secondary: #238636;
    --accent-danger: #f85149;
    --border-color: #30363d;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(88, 166, 255, 0.3);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.built-with {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.built-with:hover {
    color: var(--accent-primary);
}

/* Main Content */
.main {
    flex: 1;
    padding: 2rem 0;
}

.interface-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 968px) {
    .interface-grid {
        grid-template-columns: 1fr;
    }
}

/* Control Panel */
.control-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #4a94e8 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #4a94e8 0%, var(--accent-primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(88, 166, 255, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.status-indicator {