*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#f5f5f5;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:20px}.navbar{background-color:#1a1a2e;padding:15px 30px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.navbar-brand{color:#fff;font-size:1.5rem;font-weight:700;text-decoration:none}.navbar-nav{display:flex;gap:20px;align-items:center}.nav-link{color:#e0e0e0;text-decoration:none;padding:8px 16px;border-radius:4px;transition:background-color .2s}.nav-link:hover{background-color:#16213e;color:#fff}.btn{padding:12px 24px;border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s}.btn-primary{background-color:#0f3460;color:#fff}.btn-primary:hover{background-color:#16213e}.btn-danger{background-color:#e94560;color:#fff}.btn-danger:hover{background-color:#c73e54}.btn-secondary{background-color:#6c757d;color:#fff}.btn-secondary:hover{background-color:#5a6268}.login-container{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 60px)}.login-card{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 6px #0000001a;text-align:center;max-width:400px;width:100%}.login-title{margin-bottom:10px;color:#1a1a2e}.login-subtitle{color:#666;margin-bottom:30px}.home-container{padding:40px 20px}.user-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 6px #0000001a;max-width:600px;margin:0 auto}.user-info{display:grid;gap:15px}.user-info-item{display:flex;border-bottom:1px solid #eee;padding-bottom:10px}.user-info-label{font-weight:600;color:#666;width:120px}.user-info-value{color:#1a1a2e}.loading{display:flex;justify-content:center;align-items:center;min-height:200px}.spinner{border:3px solid #f3f3f3;border-top:3px solid #0f3460;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}