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

:root {
    /* Refined dark palette */
    --bg-primary: #09090b;
    --bg-secondary: #0f0f0f;
    --bg-tertiary: #18181b;
    --bg-elevated: #27272a;

    /* Text colors */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* Accent colors */
    --accent-primary: #a78bfa;
    --accent-secondary: #818cf8;
    --accent-success: #4ade80;
    --accent-warning: #fbbf24;
    --accent-danger: #f87171;

    /* Borders */
    --border-color: #27272a;
    --border-subtle: #3f3f46;

    /* Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.15em;
}

.logo-subtitle {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-warning);
    box-shadow: 0 0 8px var(--accent-warning);
    animation: pulse 2s ease-in-out infinite;
}

.connection-status.connected .status-dot {
    background-color: var(--accent-success);
    box-shadow: 0 0 8px var(--accent-success);
    animation: none;
}

.connection-status.disconnected .status-dot {
    background-color: var(--accent-danger);
    box-shadow: 0 0 8px var(--accent-danger);
    animation: none;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.95); }
}

.terminal-container {
    flex: 1;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    overflow: hidden;
    min-height: 0;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03),
        0 4px 24px rgba(0, 0, 0, 0.4);
}

#terminal {
    height: 100%;
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0 0.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.footer a:hover {
    color: var(--accent-primary);
}

.divider {
    color: var(--border-subtle);
}

code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    background-color: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

kbd {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
    background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-tertiary) 100%);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Terminal customizations */
.xterm {
    padding: 0;
}

.xterm-viewport {
    overflow-y: auto !important;
}

.xterm-viewport::-webkit-scrollbar {
    width: 8px;
}

.xterm-viewport::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.xterm-viewport::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

.xterm-viewport::-webkit-scrollbar-thumb:hover {
    background: var(--border-subtle);
}

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

    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .logo-text {
        font-size: 1.125rem;
    }

    .terminal-container {
        border-radius: var(--radius-md);
        padding: 1rem;
    }
}