* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #0a0a0a; color: #e0e0e0; font-family: 'Courier New', monospace; min-height: 100vh; display: flex; justify-content: center; align-items: center; }
.container { background: #111; border: 1px solid #222; border-radius: 12px; padding: 40px; max-width: 420px; width: 90%; }
h1 { color: #00ff88; font-size: 1.8em; text-align: center; margin-bottom: 8px; }
.subtitle { color: #666; text-align: center; margin-bottom: 30px; font-size: 0.9em; }
.btn { display: block; width: 100%; padding: 14px; margin: 10px 0; border: 1px solid #333; border-radius: 8px; background: #1a1a1a; color: #e0e0e0; font-family: inherit; font-size: 1em; cursor: pointer; transition: all 0.2s; text-align: center; }
.btn:hover { background: #222; border-color: #00ff88; color: #00ff88; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: #00ff88; color: #0a0a0a; border-color: #00ff88; font-weight: bold; }
.btn-primary:hover { background: #00cc6a; }
.divider { text-align: center; color: #444; margin: 20px 0; position: relative; }
.divider::before, .divider::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: #333; }
.divider::before { left: 0; }
.divider::after { right: 0; }
.msg { padding: 12px; border-radius: 8px; margin: 10px 0; text-align: center; font-size: 0.9em; display: none; }
.msg.error { display: block; background: #1a0000; border: 1px solid #ff4444; color: #ff4444; }
.msg.success { display: block; background: #001a0a; border: 1px solid #00ff88; color: #00ff88; }
.msg.info { display: block; background: #0a0a1a; border: 1px solid #4488ff; color: #4488ff; }
.input-group { margin: 15px 0; }
.input-group label { display: block; color: #888; margin-bottom: 5px; font-size: 0.85em; }
.input-group input { width: 100%; padding: 12px; background: #1a1a1a; border: 1px solid #333; border-radius: 8px; color: #e0e0e0; font-family: inherit; font-size: 1.2em; text-align: center; letter-spacing: 8px; }
.input-group input:focus { outline: none; border-color: #00ff88; }
.step { display: none; }
.step.active { display: block; }
.qr-container { text-align: center; margin: 20px 0; }
.qr-container img { border-radius: 8px; background: white; padding: 10px; }
.secret-key { background: #1a1a1a; border: 1px solid #333; border-radius: 8px; padding: 10px; text-align: center; font-size: 0.8em; color: #888; margin: 10px 0; word-break: break-all; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; }
.dot.green { background: #00ff88; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.dashboard-header { text-align: center; padding: 40px; }
.footer { text-align: center; color: #333; font-size: 0.75em; margin-top: 20px; }
.lang-selector { text-align: center; margin-top: 20px; }
.lang-btn { display: inline-block; padding: 4px 10px; margin: 2px; color: #555; font-size: 0.75em; cursor: pointer; border-radius: 4px; transition: all 0.2s; border: 1px solid transparent; }
.lang-btn:hover { color: #00ff88; border-color: #333; }
.lang-btn.active { color: #00ff88; border-color: #00ff88; }