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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    grid-template-rows: 64px 1fr;
    height: 100vh;
}

/* Header */
.header {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-active) 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
    fill: white;
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--brand);
}

.header-status {
    display: flex;
    align-items: center;
    gap: 24px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--brand);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-muted);
}

/* Sidebar */
.sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}