:root {
    --terminal-bg: #1a1a2e;
    --terminal-border: #16213e;
    --tui-border: #3a3a5a;
}

/* Terminal Window */
.terminal-window {
    background: var(--terminal-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: left;
}

.terminal-header {
    background: var(--terminal-border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-title {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27ca40; }

.terminal-body {
    padding: 0;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* TUI Split Layout */
.tui-body {
    display: flex;
    flex-direction: column;
    height: 320px;
}

.tui-split {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.tui-chat {
    flex: 1;
    border-right: 1px solid var(--tui-border);
    display: flex;
    flex-direction: column;
}

.tui-logs {
    width: 45%;
    display: flex;
    flex-direction: column;
}

.tui-panel-header {
    padding: 8px 12px;
    color: #5eead4;
    font-weight: bold;
    border-bottom: 1px solid var(--tui-border);
}

.tui-chat-content {
    flex: 1;
    padding: 12px;
    overflow: hidden;
}

.tui-welcome {
    color: #a1a1aa;
    margin-bottom: 16px;
    font-size: 0.75rem;
}

.tui-msg {
    margin-bottom: 8px;
}

.tui-user {
    color: #60a5fa;
}

.tui-assistant {
    color: #c084fc;
}

.tui-input {
    padding: 8px 12px;
    border-top: 1px solid var(--tui-border);
    color: #71717a;
}

.tui-cursor {
    color: #22d3ee;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.tui-log-content {
    flex: 1;
    padding: 8px 12px;
    font-size: 0.7rem;
    color: #a1a1aa;
    overflow: hidden;
}

.tui-log-content div {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tui-statusbar {
    padding: 6px 12px;
    background: #0f0f1a;
    border-top: 1px solid var(--tui-border);
    font-size: 0.75rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Feature cards */
.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Code blocks */
pre {
    background: var(--bs-body-bg);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}

/* Navbar transparency on scroll */
.navbar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Quick start code block */
#quickstart pre {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

/* Mobile tweaks */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding-top: 80px;
    }
    
    .display-3 {
        font-size: 2.5rem;
    }
    
    .terminal-window {
        font-size: 0.75rem;
    }
}