:root {
    --bg-main: #0a0a0a;
    --text-main: #e2e8f0;
    --accent-cyan: #00f3ff;
    --card-bg: #121212;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-sans);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 600px;
    padding: 20px;
}

.terminal-window {
    background-color: var(--card-bg);
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.terminal-header {
    background-color: #1a1a1a;
    padding: 12px 15px;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid #333;
}

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

.red { background-color: #ff5f56; }
.yellow { background-color: #ffbd2e; }
.green { background-color: #27c93f; }

.terminal-body {
    padding: 40px 30px;
}

.mono-text {
    font-family: var(--font-mono);
}

.system-msg {
    color: #64748b;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

h1 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    margin: 30px 0 15px 0;
    color: var(--text-main);
}

.cursor {
    color: var(--accent-cyan);
    animation: blink 1s step-end infinite;
}

.subtitle {
    color: #94a3b8;
    font-size: 1.1rem;
}

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